Quarter horse mixed with thoroughbred

Quarter horse mixed with thoroughbred DEFAULT

Other Breeds that Allow Outcrosses

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Some of the most popular and versatile horses don’t have purebred pedigrees. Horses with unknown parentage or a significant amount of mixed breeding are called grade horses. However, many mixed-breed horses are deliberate crosses between two (or more!) purebred breeds. Here are 13 types of popular mixed breed horses.

mixed breed horse and girl in sunset

1. Anglo-Arab

Arabian x Thoroughbred

Anglo-Arabs are athletic horses bred for equestrian competition. With the speed of a Thoroughbred and the stamina of an Arabian, these horse excel at events like show jumping and eventing.

While Anglo-Arabs can range in size and type, they are generally taller and less refined than the average purebred Arabian. To be registered in a special section of the Arabian registry, Anglo-Arabs must be at least 12.5% Arabian.  

2. Appendix

Thoroughbred x Quarter Horse

An Appendix horse is a first-generation cross between a registered Quarter Horse and a registered Thoroughbred. These athletic horses are the “best of two breeds,” according to the American Appendix Horse Association.

Both Thoroughbreds and Quarter Horses are known for their speed– Thoroughbreds excel over longer distances and Quarter Horses dominate in short bursts.

Appendix horses are often found in competitive rodeo events, such as barrel racing, cutting, and reining. They also make good ranch horses, as well as overall pleasure mounts.

These pedigreed mixed-breed horses may be registered with the American Quarter Horse Association as an Appendix, as long as both parents are registered with the AQHA and the Jockey Club.

An Appendix horse that performs well in competition may be eligible to become a “full” Quarter Horse with a “Registration of Merit.”

3. ArAppaloosa (Araloosa, Arappaloosa, Ara-Appaloosa)

Arabian x Appaloosa

Both the Arabian and the Appaloosa excel in endurance events, and the ArAppaloosa gets the best of both worlds from its parents.

Known for their unique looks, the ArAppaloosa usually has the Appaloosa’s spotted coat (thanks to the leopard-complex gene) and the Arabian’s refined body type.

AraAppaloosas may be registered with the Appaloosa Horse Club, or as a “part-bred Arabian” with the Arabian Horse Association. They also may become registered Sportaloosas (Appaloosa Sporthorses) as well.

4. Desert Norman Horse

Arabian x Percheron

The athletic Desert Norman Horse represents an early form of the Percheron draft horse breed – refined and elegant, yet powerful and athletic.

These horses excel at driving and light farm work, but often compete in jumping and dressage as well. The Desert Norman Horse must be at least 25% Arabian or 25% Percheron, with no other breeds included.

5. Irish Draught Sporthorse

Irish Draft x Thoroughbred

The Irish Sporthorse is a breed of warmblood that is popular for use in dressage, eventing, and show jumping. Strong and powerful, Irish Sporthorses get their speed and endurance from their Thoroughbred parentage, and their strength and good temperament from the Irish Draft.

The Irish draft was a popular and versatile farm horse in the early 20th century. Used for riding, hunting, driving, and light farm work, these horses could do it all. As mechanization became more popular on small farms, equestrian activities became focused on recreation and sport. 

Breeders began crossing Irish Drafts with Thoroughbreds to produce quality competition horses. In North America, an Irish Draft Sporthorse must have at least one registered parent to become a registered Irish Draft Sporthorse.

6. Morab

Morgan x Arabian

While breeders have always crossed Morgans and Arabians to produce versatile trotting horses, the official beginnings of the Morab breed began in the 1850’s with a mixed breed named Golddust.

The progeny of a Morgan stallion and an Arabian mare, Golddust sired over 300 quality foals.

Today, the Morab is not just a mixed breed horse, but it’s a breed itself in its own right. Morabs are excellent at driving, endurance, trail riding, jumping, and ranch work.

To be registered with the Morab Association, a Morab may be no more than 75% and no less than 25% of either Morgan or Arabian.

Other breeds are not allowed in the mix, and the Purebred Morab Horse Association only accepts animals with solid coloring and no white above the hocks.

7. National Show Horse

American Saddlebred x Arabian

The National Show Horse is just that – a horse bred specifically for the show ring. American Saddlebreds and Arabians have always performed well in saddle seat competitions, and the National Show Horse possesses excellent qualities from both breeds.

They have a refined build, display excellent motion in their gaits, and attract attention in the show ring. They’re also excellent pleasure and trail mounts as well.

National Show Horses must have parents that are registered as some combination of American Saddlebred, Arabian, or National Show Horse, as long as the resulting foal has at least 25 – 99% Arabian blood.  

8. North American Spotted Draft Horse

Belgian, Percheron, Clydesdale, Suffolk Punch, Shire, American Cream Draft

Spotted draft horses have been popular throughout history, often serving as drum horses in medieval times. In the 1960s, a concerted effort was made to create a registry for these uniquely colored horses, and preserve their heritage.

North American Spotted Draft horses can be any mixture of draft horse – Belgian, Percheron, Clydesdale, Suffolk Punch, Shire, and American Cream Draft.

Percherons are popular choices, as they have a tendency to throw foals with the pinto coloring. As long as the foal displays a flashy spotted coat and has draft blood breeding (and no Gypsy Vanner, Saddlebred, or Appaloosa), they can be registered with the North American Spotted Draft Horse Association.

9. Quarab

Quarter Horse or American Paint Horse x Arabian

The American Quarter Horse allows a registration of merit to Quarter Horse crosses that successfully perform in the competition arena.

Crosses between Quarter horses and Arabians have always been popular, but the Quarab is a particular blend known for its versatility and athleticism.

Quarabs perform well in rodeo events, on the trail, or in English hunter events as well. To be registered with the International QuaRab Horse Association, a foal must have at least 1/8ths blood from both Arabian and stock horse types.

10. Welara

Welsh Pony x Arabian

Lady Wentworth, a prominent Arabian breeder in England, began crossing Welsh ponies and Polish Arabians in the 1920s. The result was a small athletic riding and driving horse perfect for children and small adults.

A purebred Welara registered with the American Welara Pony Registry must have at least 1/8th and no more than 7/8ths blood from Welsh Pony or Arabian bloodlines.

There are also various height requirements, but Welaras can be registered as Welara Sport Ponies if they fall outside of these requirements. They may also be registered as a Welara Sport Pony if they are a mixed breed with at least 50% Welara blood.

11. Warlander

Friesian x Andalusian, Lusitano, or Menorquina

Breeders have been crossing Friesians and Iberian horses for decades, but a concerted effort was made in the 1990s to begin breeding these specific “super horses.”

“The ideal Warlander combines the Iberian horse’s intelligence, facility for collection, flexibility, and powerful hindquarters, with the Friesian’s tractability, dramatic leg action, ‘bone,’ and strong forequarters.” (source)

Especially popular for upper level dressage, the Warlander is willing and trainable. A registered Warlander must not be more than 75% and not less than 25% purebred Friesian or Iberian. (source)

12. Warmbloods

Many warmblood registries allow crossbreeding to other breeds such as Thoroughbreds or Arabians. Warmblood studbooks are often open, which means that outside mares and stallions are allowed to be bred and produce a registered foal.

Warmblood breeders are generally focused on producing animals who will excel in competition, and less focused on maintaining specific pure bloodlines. Breeders select for movement and conformation, based on how they want the horse to perform in its chosen discipline.

Here is an example of some warmblood breeds that may have mixed parentage:

Open StudbookSelectively Open StudbookClosed Studbook
Dutch WarmbloodHanoverianTrakhener
OldenburgHolsteiner 
Westphalian, Rhinelander  
Other German Warmbloods  
Belgian WarmbloodSelle Francais 
Swiss Warmblood  
Danish Warmblood  
Finnish Warmblood  
Swedish Warmblood  
American Warmblood  

13. Sporthorses

Like warmbloods, sporthorses are bred for competition. Some of these crossbreeds have their own registries, but breeders are less focused on maintaining pure bloodlines and more focused on producing top-performing competitors.

The Friesian Sporthorse, for example, is a type of Friesian crossbreed that is suitable for eventing, dressage, show jumping, and combined driving. Purebred Friesians generally excel at dressage, but Friesian Sporthorses can be more versatile.

Another example is the Sportaloosa, which is a registered spotted sporthorse. Many registries prohibit spotted coloring or Appaloosa genes, but Spotaloosas are crosses between an Appaloosa and other sport horse breeds (mostly Thoroughbred and Quarter Horse).

Some breed registries (such as Friesians and Thoroughbreds) do not allow any outside bloodlines to be introduced. However, many breeding studbooks allow the infusion of other breeding genes, which often causes the resulting foals to have more desirable traits.

Here are some examples of breeds that allow registerable crosses:

BreedCrossbreeds Allowed
Colorado RangerbredThoroughbred, Quarter Horse, Appaloosa, ArAppaloosa
Selle FrancaisThoroughbred, French Trotter, Arabian, Anglo-Arab
American Paint HorseQuarter Horse, Thoroughbred
American Quarter PonyQuarter Horse, American Paint Horse, Appaloosa, Pony of the Americas
AppaloosaQuarter Horse, Thoroughbred, Arabian
HanoverianThoroughbred, Anglo-Arabian, Arabian
Pony of the AmericasQuarter Horse, Arabian, Connemara, Galiceno, Australian Palouse, Morgan, Thoroughbred, Quarter Pony, Welsh Pony, Anglo-Arab, Spanish Mustang, Half-Arab, Shetland
Curly HorseArabian, Morgan, Appaloosa, Missouri Fox Trotter, Mustang

At the end of the day, bloodlines aren’t the only thing that matters when it comes to finding a quality horse. Even the most mixed-breed grade horse can perform at top levels in competition, with the right training and handling.

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Sours: https://www.helpfulhorsehints.com/mixed-breed-horses/

Breeding a Thoroughbred to a Quarter Horse: What to Know

Breeding a Thoroughbred to a Quarter Horse: What to Know

How to get your Jockey Club-registered Thoroughbred listed for breeding with AQHA.

April 10, 2018 | About AQHA | AQHA Memberships , Registering/transfer , Breeding , Registration forms , Guidelines

American Quarter Horses are extremely versatile horses, very strong and powerful. There's no question about the American Quarter Horse's ability to beat out any other breed in a short-distance race - he's just built for it! But quite some time ago, AQHA's eyes turned to the Jockey Club and the large, long and lean Thoroughbred horses it registers. Thoroughbred (TB) horses succeed in long-distance racing. So, what happens when you mix the sought-after characteristics of the Quarter Horse and the Thoroughbred? You get an Appendix Quarter Horse that will be a powerhouse on the race track, in speed events and much more.

Where to Start: Record Your Thoroughbred with AQHA

Above all else, AQHA must maintain the integrity of the American Quarter Horse breed. So you have to get a Thoroughbred horse approved before you can breed it to an American Quarter Horse. If you're a Thoroughbred owner, you'll simply submit the following information to AQHA:

  • A front and back photo copy of the Jockey Club certificate showing that you are the owner of the Thoroughbred.
  • Four full-view color photographs of your TB showing each side.
  • A $50 recording fee. ($105 if the owner is not an AQHA member.)
  • A signed statement authorizing AQHA to obtain DNA information (if any) from the Jockey Club. If the DNA type cannot be recorded with AQHA or if the horse does not have DNA on file, a $50 DNA testing fee will need to be submitted and the horse tested before AQHA will approve the horse for breeding.

The horse will be assigned what is called a T-number (ex: T0000000). This serves as the TB's AQHA registration number. A letter is mailed out with this information when the recording is complete. Buyer beware, though! A T-number does not always indicate that a TB has been approved for breeding with AQHA. For example, if the DNA process was never completed, the horse can still be assigned a T-number, but it is not yet approved if we do not have DNA. A bit of TB trivia: AQHA places the year the TB was born at the end of the name. This policy came from the days when names were not eligible to be reused and could not be spelled the same as any other name. Our database requires these additional numbers so the TB names can be added.

If you purchased a Thoroughbred and wonder whether it has been recorded with AQHA, contact us and we'll look the horse up for you. If the horse does have a T-number, simply submit a copy of the Jockey Club certificate and a $20 transfer fee ($75 if you are not an AQHA member), and AQHA will update the ownership record of the horse.

Registering an Appendix

So how does AQHA register half Quarter Horse-half TB offspring? We've created the Appendix Registry. An Appendix Quarter Horse is not limited in any area except for breeding. Appendix horses are only eligible to breed permanent-numbered Quarter Horses. Appendix horses are denoted by an "X" at the beginning of their numbers (Ex: X0000000). So, you cannot breed an "X" with a "T" or an "X" with an  "X."

Appendix horses can advance and become permanent-numbered Quarter Horses. The basic requirement for advancement is a Register of Merit in showing (open division) or racing.

Sours: https://www.aqha.com/-/breeding-a-thoroughbred-to-a-quarter-horse
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To a novice, all horses would look the same.

In the case of a Thoroughbred and a Quarter horse, they do look pretty similar.

But here’s the thing:

If you look closely, you’ll start noticing the dissimilarities.

So, what is the difference between a Quarter horse and a Thoroughbred? The Thoroughbred horse is taller and leaner than the Quarter Horse. Both horses are excellent racers, but Quarter Horses tend to do better in shorter quarter-mile races. Thoroughbred horses, on the other hand, are experts in winning longer races of a mile or more.

If you want to find out more about Quarter Horse vs Thoroughbred, then keep reading!

Physical traits

The first step to differentiating the two breeds is by taking a look.

There actually isn’t a lot that varies in the two breeds.

It is only if you notice closely that you’ll be able to spot a few differing points.

This table summarizes the main physical traits of the two breeds:

TraitThoroughbredQuarter Horse
Height62 to 68 inches56 to 64 inches
Weight800lbs to 1200lbs1200lbs on average
Overall buildAthletic and lean lookShort head, muscular body, broad chest

Basically:

There is a very minor difference in the heights and weights of the two horses.

If put side by side, Thoroughbreds do look stronger despite their slim build.

On the other hand, the Quarter Horse looks muscular and wider.

Both horse breeds come in shades of browns, black, and gray.

However, Quarter horses have a wider range of fur colors.

Both the horses have a solid colored body with white marks on their face and below their knees.

This makes them look even more similar.

The Quarter horses tend to live a couple of years longer than the Thoroughbreds.

The average lifespan of a Thoroughbred horse is between 25 and 30 years whereas a Quarter horse can live for up to 33 years.

Speed

Thoroughbred and Quarter horses are both considered great racehorses.

They are both a common breed in activities that involve racing, jumping, dressage, etc.

Here’s our detailed article on whether a Quarter Horse can beat a Thoroughbred – a common question by equine lovers.

Yes, there are a few variations for each in the different categories.

For example, Quarter horses are said to be consistent in terms of speed.

If they start a race on a high note, there’s a high chance they’ll win it.

However, if they start off slow, there is almost no chance that they’ll catch up later on in the race.

This is why they’re preferred in short-distance races.

While most other horses take time to speed up, Quarter horses start at the maximum.

However, this isn’t the case with Thoroughbred horses.

They may start slow but gradually, they speed up.

You can hope that a Thoroughbred will win a race even if it had a bad start.

While one starts off with maximum speed and the other speeds up steadily, both the breeds have remarkable performance.

Quarter horses can run at up to 55 mph speed whereas Thoroughbred horses have a maximum speed of 40 mph.

The bottom line is:

If you want a horse for polo games or simply for riding purposes, these minor differences don’t matter.

Whatever little details are lacking can always be improved with training.

After that, the two breeds aren’t left with much differences in terms of speed and performance.

The crux of the matter is:

Quarter horses often win shorter races but slow down in longer ones. Thoroughbreds, however, start slower but have the ability to win longer races as they don’t slow over time.

The personality of Quarter Horses and Thoroughbreds

Here’s the kicker:

Thoroughbreds and Quarter horses are completely opposite when it comes to personality traits.

American Quarter Horses are known to be one of the easiest horse breeds for beginners.

But, they’re most than just beginner horses. Here’s more information on the abilities of a Quarter Horse.

On the other hand, Thoroughbred horses are not recommended for anyone below an expert level.

Quarter horses have a mellow and calm personality.

They are open to new owners and surroundings.

Of course, they do take time to settle, but they’re never aggressive unless triggered.

Quarter horses are known to be loving companions with a versatile nature.

But:

When it comes to Thoroughbreds, they are extremely hot-blooded.

Only ride these horses after you’ve experienced other beginner-friendly breeds.

Also, Thoroughbreds are not the most accepting of strangers.

You will have to work hard to build a trustworthy relationship before the horse allows you to ride it.

Training the Quarter and Thoroughbred horse

You may be considering buying horses of both the breeds.

One major factor to consider before making this decision is regarding their training.

Horses that cannot be trained together will be a lot of hard work.

You will have to dedicate double the time to train either of the horses separately.

The truth is:

There are very few people who keep Thoroughbreds and Quarter horses together.

But, the fair few people who do take the risk claim that it isn’t that hard.

There aren’t a lot of differences in the way these breeds perceive instructions.

Hence, they can be trained together in a similar way.

You must remember the following differences:

  • Quarter horses are better runners
  • Thoroughbreds are better jumpers

Now, these basic differences need to be catered accordingly.

Quarter horses are also known for being flightier.

But, this shouldn’t be much of an issue.

Once you get the hang of it, you’ll be able to manipulate both the breeds on similar instructions.

The health of both the breeds

According to experts, Thoroughbreds and Quarter horses have similar ailments.

The most common horse health issues are:

  • Respiratory issues
  • Swamp fever
  • Dental problems

Respiratory issues

Respiratory health is a major concern for both, Thoroughbreds and Quarter horses.

Since they are racing horses, their lungs must always be in perfect condition to minimize further health risks.

Both these breeds have strong respiratory organs for the most part.

They are required to get relevant vaccinations in the early years to prevent any risks in the future.

Also:

Regular running further strengthens the lungs of either of the horse breeds.

Swamp Fever

The next issue is swamp fever.

It is caused due to insect bites.

Thoroughbreds and Quarter horses are both equally prone to this fever.

To prevent this terrible condition that may lead to anemia, you should use horse fly repellents.

If insects or pests have been bugging your horse, I’d highly recommend you to try Farnam SWAT fly ointment. It’s one of the few products that actually work. What’s more, it lasts for hours on end.

Dental infections

Lastly, you have the risk of dental infections.

Dental overgrowth, fractures, swelling, and other issues can gradually grow in a horse’s mouth.

These issues usually affect horses aged between 4 and 7 years.

Quarter horses and Thoroughbreds may develop these issues too.

Consult an equine dentist if you notice even the slightest dental problem.

Here’s an in-depth article on how you can take care of your Quarter Horse easily.

Quarter Horse and Thoroughbred’s origins

The Quarter horse originates from the USA whereas the Thoroughbreds belong to England.

Quarter horses are among one of the oldest horse breeds of America.

The first ever horses of this breed were known to be bred in the 1600s.

They were a result of a cross between:

  • A Spanish horse
  • And an English horse

It is said that the English horses that birthed Quarter horses were Thoroughbreds.

Therefore, Quarter horses share Thoroughbred blood and characteristics.

However, they are still very different from the Thoroughbreds due to the additional features they inherited from other horse lines.

The Thoroughbred horses date back to the 17th and 18th century.

They were bred for the purposes of speed and agility.

A cross between the native mares of England and imported stallions of Arabian, Turkoman, and Barb breeds gave rise to the Thoroughbreds.

These horses started appearing in America when the colonists took over.

Related Questions

Why is it called a Quarter Horse? American Quarter Horses are and always have been a popular breed in short distance racing.

These “short distance” races are usually a quarter-mile long.

These horses succeeded in most of these quarter-mile races and that is how they got famous as the “Quarter” horses.

Is a Quarter Horse faster than a Thoroughbred? Quarter Horses have a maximum speed of 55 mph which is considerably faster than Thoroughbreds.

However, Thoroughbreds are more likely to catch up in long-distance racing as they have enough reserve energy to sprint in the end.

In general, both these breeds are faster than Arabian horses.

What is a Quarter horse Thoroughbred cross called? The first generation of horses that are a cross between a Quarter Horse and Thoroughbred are called “Appendix”.

Most American Quarter Horses these days carry Thoroughbred bloodlines which is why both horses share a lot of similarities with each other.

Sours: https://horsyplanet.com/difference-between-quarter-horse-and-thoroughbred/
Walter Merrick explaining the difference between Thoroughbred and American Quarter Horses

American Appendix Horse: Breed Profile

The American Appendix Horse is a cross between an American Quarter Horse and a Thoroughbred. They are also often referred to as Appendix Quarter Horses. They are generally friendly horses, but their unpredictability means they are most suitable for experienced owners.

Their appearance varies, with some individuals having a stocky build, while others a slender and athletic one. Their build determines how they are used—whether that be in racing, work, or recreation.

The Best Horse Breeds for First-Time Owners and Riders

Breed Overview

Weight: 900 to 1200 pounds

Height: 15 to 17 hands (60 to 68 inches)

Body Type: Compact and muscular with smooth muscle mass and clean lines

Best For: Racing, jumping, work, recreation

Life Expectancy: 25 to 35 years

Appendix Horse History and Origins

The Appendix Quarter Horse is a first-generation cross between a thoroughbred and an American Quarter Horse. It gained popularity as breeders recognized that the cross retained the energy and temperament of the thoroughbred and the incredible speed and agility of the American Quarter Horse.

The American Quarter Racing and the National Quarter Horse Breeders associations merged in Texas in 1949, marking the beginning of the appendix registry. 

Appendix Horse Size

Weighing between 900 and 1200 pounds and measuring 15 to 17 hands high, or 60 to 68 inches, the Appendix Quarter Horse is built for athletics. 

An individual’s build differs depending on how much American Quarter Horse they have in them and how much Thoroughbred. Those with more Thoroughbred in them have a taller, more lean build. The opposite is true for individuals who have relatively more American Quarter Horse in their genes as they have a more muscular, stocky appearance.

Breeding and Uses

The American Appendix Horse was originally bred for racing. Because the breed is a cross between a Thoroughbred and an American Quarter Horse, it retains qualities from each. The strength of the Thoroughbred and the agility of the American Quarter Horse is a combination that can’t be beaten.

Considering their competence at racing, it’s natural that this breed is a sought-after racehorse. But the Appendix Quarter Horse has other skills, too, and is useful in multiple areas. They’re great for general riding and recreation as well as shows and competitions. The Appendix Quarter Horse is a well-rounded horse breed.

Colors and Markings

Appendix Quarter Horses come in every color, most commonly black, gray, and brown. More rare coat colors include bay, chestnut, and palomino.

Typically, their coat color does not affect whether or not they can be considered a full Appendix Quarter Horse. The only thing that matters for that classification is their bloodline.

Unique Characteristics of the American Appendix Horse

Because their genetics vary greatly, there is no specified body type of the Appendix Quarter Horse. Their height and muscularity really lies on a spectrum. And where an individual horse lies on that spectrum depends on how much Thoroughbred and how much Quarter Horse they have in them.

With that said, American Appendix Horses can be very tall. While the standard individual is between 15 and 17 hands tall, some are even taller. A stallion named The Game Changer is reported to be 18 hands tall, which is equivalent to six feet.

10 Most Popular Horse Breeds and Types of Horses

Diet and Nutrition

Appendix Quarter Horses should be fed fresh grass, hay, and grains including rolled oats, bran, and barley. For healthy treats, give them carrots or apples.

Talk to your veterinarian about your horse’s nutrition. If their performance in sports or shows is of the utmost importance, you may need to add supplements and concentrates to their diet. 

Common Health and Behavior Problems

In terms of behavior, Appendix Quarter Horses are normally friendly and easy to train. Some individuals, however, can be too eager and excited, which causes them to be boisterous and a little stubborn. These individuals often need patience and trust in order to train.

Like Thoroughbreds, the rate of injury in Appendix Quarter Horses is relatively high due to the fact that they are often pushed to extremes while racing. Racing Appendix Quarter Horses can experience crippling or life-ending injuries, like breaks and sprains.

Appendix Quarter Horses are also prone to some genetic health issues, including:

  • Hyperkalemic periodic paralysis - Muscle twitching, muscle weakness, or paralysis
  • Polysaccharide storage myopathy - Damaged muscle tissue that can cause stiffness and pain
  • Malignant hyperthermia - A condition that makes a horse susceptible to a state of abnormally high metabolic activity. This can result in a high temperature, increased heart rate, rapid breathing, and more

Grooming

For a happy and healthy Appendix Quarter Horse, groom them daily. Like virtually all horses, they require regular brushing and occasional bathing. Their skin is relatively thin compared to other breeds, so be gentle.

Use a soft, bristled brush to brush its legs, face, girth, and saddle areas before taking them on a ride. Not only does this keep their coat clean and silky smooth, but it also distributes oil and sweat throughout their body. That’s especially important in the summer.

Pros

  • Athletic

  • Strong work ethic

  • Multipurpose

  • Fast

Cons

  • Can be overeager

  • Susceptible to health issues

  • Injury is common

  • Require experienced owners

Is the American Appendix Horse Right for You?

The friendliness of an Appendix Quarter Horse varies from horse to horse. Those with more American Quarter Horse blood in them tend to be gentle, easy to train, and friendly. On the other hand, horses with more Thoroughbred genes can be stubborn and standoffish to beginners. To play it safe, only those experienced should adopt or purchase an Appendix Quarter Horse. Experienced riders will be able to channel this breed’s intensity and will be rewarded with a uniquely smooth and thrilling ride.

How to Adopt or Buy American Appendix Horses

Contact the American Quarter Horse Association to find a reputable American Appendix Horse breeder. They will be able to help you find one with both purebred Thoroughbreds and American Quarter Horses and can provide clean bills of health.

Expect to pay an average of $3,000 for a healthy Appendix Quarter Horse. Ones listed at a lower price may be unhealthy. Bring a veterinarian to check it out before purchasing.

More Horse Breeds

The Appendix Quarter Horse is a unique breed that excels in a variety of areas. If you loved learning about them, explore our other similar breed profiles below:

Otherwise, you can dive into all of our other horse breed profiles.

Sours: https://www.thesprucepets.com/american-appendix-horse-breed-profile-5114549

With mixed quarter thoroughbred horse

Quarter Horse Vs. Thoroughbred is a common topic within the equestrian community. 

Every new horse owner wonders what the main differences between these breeds are. 

I’ll provide the answer by discussing several aspects of each horse. 

So let’s get this journey started with their physical characteristics.

READ MORE: What Kind of Horses Are There?

Physical Characteristics 

An American Quarter Horse and a Thoroughbred will look incredibly similar. But there are subtle differences in their physical traits that can help people distinguish between them:

Size and Appearance 

Thoroughbreds will be between 16 to 17 hands tall and weigh about 1,030 to 1,130 pounds. It provides them with an athletic, toned, muscled body. 

Meanwhile, a Quarter Horse will weigh a bit more on average as they often reach 1,300 pounds. You won’t see Quarter Horses weighing as little as 800 pounds like Thoroughbreds. 

But thoroughbreds do tend to tower over them. American Quarter Horses will only stand between 14.2 to 16 hands tall, making them a bit shorter than most Thoroughbreds.

These measurements will usually provide Quarter Horses with a broad chest, chunky/compact body, and a short head. It makes them perfect for sprinting over shorter distances.

More on each breed’s racing qualities later.

Overall, Quarter Horses often appear stockier and bigger. But a Thoroughbred gives off a stronger and more powerful vibe with their athletic, lean body.

Colors

Both horse breeds have common colors of black, various browns, and gray. However, Quarter Horses tend to have a little more variation in their coat colors. They have 17 recognized colors in their breed standards:

  • Sorrel
  • Chestnut
  • Black
  • Brown
  • Gray – Check our guide on dapple grey horse.
  • Buckskin
  • Red dun
  • Grullo
  • Bay
  • Bay roan
  • Palomino
  • White
  • Perlino
  • Cremello
  • Dun
  • Blue roan
  • Red roan

Lifespan

Both horses will be long-time companions for their owners. But Quarter Horses often live longer as they usually live between 25 and 30 years. 

In comparison, a Thoroughbred horse will live anywhere between 22 to 28 years. Owners of either horse should expect them to be around their farms or ranches for a long time. 

Racing

Quarter Horses and Thoroughbreds are familiar sights at racing tracks and horse racing events. But it has to lead many to wonder what racehorse is the fastest breed?

Speed

In general, riders can expect a Thoroughbred racing horse to top out at a maximum speed of 40 miles per hour. It makes them a bit slower than Quarter Horses as they can reach a faster pace of 55 miles per hour.

But the question of who’s faster doesn’t only factor in maximum speed. The situation at hand and race type will play massive roles in how each horse breed does in horse races. 

For instance, American Quarter Horses provide a more consistent speed. It allows them to win whenever they start a race well and gain their momentum from the start.

But a Quarter Horse who suffers from a bad start will find themselves struggling to regain momentum. As a result, American Quarter Horses are much better suited for shorter distance races like a quarter-mile race.

Thoroughbreds are the exact opposite. This popular breed will usually gain momentum and increase its speed as the race progresses. 

A Thoroughbred won’t be phased by a bad start and often catch up rather quickly. These abilities make them a much better fit for longer horse racing events that require endurance. 

Racing Method

Each breed of horse differs drastically when it comes to its racing method. In other words, riders shouldn’t expect a Thoroughbred to run the same as a Quarter Horse.

Thoroughbreds will run out of their gates but have a “run-up distance” before reaching it: a “run-up” is the distance covered before the timer begins on a race. It gives Thoroughbreds a chance to gain some serious speed before the race starts. 

But American Quarter Horse racing starts the moment each horse exits their gates. Due to this, the horses have to be spiriting right from when their gates open, and the timer starts. It makes them more prepared for a quarter-mile than Thoroughbreds.

READ MORE: Best Horse Breeds for Heavy Riders

Personality 

Thoroughbreds and American Quarter Horses couldn’t be more different concerning their mental makeups.

Therefore, it’s essential to know these differences between getting one. Otherwise, it could lead to picking the wrong horse for your situation. 

Mental Characteristics

American Quarter Horses are a good fit if you’re looking for a calm and mellow horse breed.

These horses are known for being open to new surroundings and owners. 

It does take them a little time to settle like any horse, but they won’t be aggressive. Quarter Horses only turn aggressive when triggered by something in their environments.

Quarter Horses also have a reputation for being loving companions with a gentle nature. It’s why many horse owners end up preferring them over other breeds.

Thoroughbreds don’t have anywhere close to the same reputation.

These horses are known for being hot-tempered and require a lot of patience. 

Strangers aren’t something that Thoroughbreds do well with, either. People have to work hard and build a rapport with them before they allow a new rider.

Who’s Their Ideal Rider?

A Quarter Horse would be an ideal fit for any rider. In fact, this horse breed is one of the best beginner horses for newbie riders.

But allowing a beginner to ride a Thoroughbred would be an unmitigated disaster. Thoroughbreds are only recommended for expert riders with extensive experience with horses.

History and Uses

As you can imagine, American Quarter Horses and Thoroughbreds don’t have the same history. It’s essential to learn their respective backgrounds to get a handle on their origins. 

Origins

The American Quarter Horse originates from the United States.

It’s not a shocking piece of information, given their name, but it’s vital to know. 

Quarter Horses date back to the 17th century, making them one of America’s oldest breeds. During this time, these horses emerged through selective breeding between a Spanish horse and an English horse.

Many experts contend that the “English horse” were Thoroughbreds. As a result, Quarter Horses seem to have thoroughbred blood running their veins. 

They’re born from selective breeding of native England mares with imported stallions. Some of these stallions included Turkoman, Arabian, and Barb breeds. They went on to emerge in the United States when the colonists first settled.

Primary Uses

Quarter Horses and Thoroughbreds share a lot of the same uses. But they do have a few activities where each breed does function a little better than the other. So here’s a quick overview of their respective common uses:

  • Quarter Horses: show horses, racing horses, rodeo competitors, ranch horse, family horse, and a reigning/cutting horse.
  • Thoroughbreds: racing horse, equestrian sports (jumping, dressage, etc.), general riding, pleasure riding, and trail horses. 

Quarter Horses Vs. Thoroughbreds FAQs

What do you call a Quarter horse mixed with a thoroughbred?

It’s called an Appendix Quarter Horse. These horses are a sought-after breed as they’re known for being “a powerhouse on the race track, in speed events and much more.” 

Can a quarter horse beat a thoroughbred?

This outcome will depend on the racing event. For instance, a Quarter Horse could beat a Thoroughbred in shorter races. The Quarter Horse averages  faster in races “when they are timed from a standing start.”

Conclusion

I hope our discussions about Quarter Horses Vs. Thoroughbreds answered all your questions. However, if you do have any more, feel free to use our comment section. I’ll make sure to answer each question and comment as soon as possible!

References

  • “And This Is Why Ex-Racehorses Are Not for Beginners.” Horse Network, 22 Mar. 2017, horsenetwork.com/2017/03/ex-racehorses-not-for-beginners/. Accessed 7 July 2021.
  • “Average Weight of a Thoroughbred.” Best Horse Rider, 7 Sept. 2019, www.besthorserider.com/average-weight-of-a-thoroughbred/. Accessed 7 July 2021.
  • “Breed Characteristics.” Aqha, www.aqha.uk.com/project/breed-characteristics/#:~:text=Temperament. Accessed 7 July 2021.
  • “Breeding a Thoroughbred to a Quarter Horse: What to Know – AQHA.” Www.aqha.com, www.aqha.com/-/breeding-a-thoroughbred-to-a-quarter-horse. Accessed 7 July 2021.
  • “Breeds of Livestock – Thoroughbred Horse — Breeds of Livestock, Department of Animal Science.” Afs.okstate.edu, afs.okstate.edu/breeds/horses/thoroughbred/index.html/.
  • Henry, Miles. Quarter Horses, Are They a Good Breed for Beginner Riders? horseracingsense.com/quarter-horses-good-breed-for-beginner-riders/. Accessed 7 July 2021.
  • “History of the Quarter Horse – AQHA.” Www.aqha.com, www.aqha.com/history-of-the-quarter-horse.
  • HORSE a GUIDE to WAGERING ON.
  • “Horse-Breeding Basics: Quarter Horse Color – AQHA.” Www.aqha.com, www.aqha.com/-/horse-breeding-basics-quarter-horse-color#:~:text=There%20are%2017%20recognized%20American. Accessed 7 July 2021.
  • “Run-up Distance or Run-up Length.” Www.aiche.org, 17 Dec. 2014, www.aiche.org/ccps/resources/glossary/process-safety-glossary/run-distance-or-run-length. Accessed 7 July 2021.
  • “Thoroughbred vs. Quarter Horse Top Speed.” SportsRec, www.sportsrec.com/13674197/thoroughbred-vs-quarter-horse-top-speed. Accessed 7 July 2021.

What do you think of Quarter Horse and Thoroughbred differences? Please share your thoughts below!

Ben R.

Ben R.

My name is Ben Roberts, and I absolutely love animals. So, naturally, I love writing about them too! I have three dogs and one old cat, plus experience with horses. Each one of them provides me with a new adventure every day. And the best part is they’re all best friends. Well, except the cat when he gets a little annoyed.

Categories BreedsSours: https://horsevills.com/quarter-horse-vs-thoroughbred/
Warning: Thoroughbreds Will Bite

Appendix Quarter Horse

The Appendix Quarter Horse is a first-generation cross between a Thoroughbred and an American Quarter Horse (or between registered and appendix American Quarter Horses). The appendix registry began in Texas in 1949 when the American Quarter Racing and the National Quarter Horse Breeders associations merged. Breeders saw it as an opportunity to create larger, faster, more refined horses.

Horses listed in the appendix may be entered in competition, but offspring are not eligible for full AQHA registration unless the Appendix horse meets strict conformational criteria and is shown or raced successfully, earning its way into the permanent studbook.

Since Quarter Horse and Thoroughbred crosses continue to enter the official registry of the American Quarter Horse breed, this creates a continual gene flow from the Thoroughbred breed into the American Quarter Horse breed, which has altered many of the characteristics that typified the breed in the early years of its formation. Some breeders argue that the continued infusion of Thoroughbred bloodlines is beginning to compromise the integrity of the breed standard, favour the earlier style of horse, and have as a result created several separate organizations to promote and register “Foundation” Quarter Horses.

CLIX photo

Characteristics

As the Appendix horse is a cross between the Thoroughbred and Quarter Horse, characteristics from both breeds exist to varying degrees. Stock-type horses tend to be a little shorter and compact, with greater muscle mass, while still being agile. Racing-type are taller and leaner with smoother muscling.

Appendix horses stand between 15-17 hands and can be found in a variety of colours including sorrel, palomino, black, bay, grey, chestnut, dun, buckskin and roan.

With a personality and versatility similar to the Quarter Horse, these animals usually have an even disposition, are social and generally easy keepers. Any competitive ‘hotness’ can usually be directed into their work, especially speed sports such as racing or gaming.

Uses

All-round multi-purpose horses, Appendix QHs can be used as show horses, pleasure horses, race horses, and as working cattle horses.

For more information:
American Appendix Horse Association Inc.

Bob Langrish photo

Sours: https://horse-canada.com/breeds/appendix-quarter-horse/

Similar news:

American Quarter Horse

Quarter Horse(REFON)-cleaned.jpg

A palomino American Quarter Horse shown at halter

Other namesQuarter Horse
Country of originUnited States
Distinguishing featuresGreat speed over short distances; short, refined head; strong, well-muscled body, featuring a broad chest and powerful, rounded hindquarters

The American Quarter Horse, or Quarter Horse, is an American breed of horse that excels at sprinting short distances. Its name is derived from its ability to outrun other horse breeds in races of a quarter mile or less; some have been clocked at speeds up to 44 mph (70.8 km/h). The development of the Quarter Horse traces to the 1600s.

The American Quarter Horse is the most popular breed in the United States today, and the American Quarter Horse Association is the largest breed registry in the world, with almost 3 million living American Quarter Horses registered in 2014.[1] The American Quarter Horse is well known both as a race horse and for its performance in rodeos, horse shows and as a working ranch horse.

The compact body of the American Quarter Horse is well-suited for the intricate and quick maneuvers required in reining, cutting, working cow horse, barrel racing, calf roping, and other western riding events, especially those involving live cattle. The American Quarter Horse is also used in English disciplines, driving, show jumping, dressage, hunting, and many other equestrian activities.

Breed history[edit]

Colonial era[edit]

In the 1600s on the Eastern seaboard of what today is the United States, imported English Thoroughbred horses were first bred with assorted "native" horses.[2]

One of the most famous of these early imports was Janus, a Thoroughbred who was the grandson of the Godolphin Arabian. He was foaled in 1746, and imported to colonial Virginia in 1756.[3] The influence of Thoroughbreds like Janus contributed genes crucial to the development of the colonial "Quarter Horse".[4][5] The resulting horse was small, hardy, quick, and was used as a work horse during the week and a race horse on the weekends.[6]

As flat racing became popular with the colonists, the Quarter Horse gained even more popularity as a sprinter over courses that, by necessity, were shorter than the classic racecourses of England. These courses were often no more than a straight stretch of road or flat piece of open land. When competing against a Thoroughbred, local sprinters often won.[citation needed] As the Thoroughbred breed became established in America, many colonial Quarter Horses were included in the original American stud books.[7] This began a long association between the Thoroughbred breed and what would later become officially known as the "Quarter Horse", named after the 1⁄4 mile (0.40 km) race distance at which it excelled.[8][9] Some Quarter Horses have been clocked at up to 44 mph.[10]

Westward expansion[edit]

In the 19th century, pioneers heading West needed a hardy, willing horse. On the Great Plains, settlers encountered horses that descended from the Spanish stock Hernán Cortés and other Conquistadors had introduced into the viceroyalty of New Spain, which today includes the Southwestern United States and Mexico.

The horses of the West included herds of feral animals known as Mustangs, as well as horses domesticated by Native Americans, including the Comanche, Shoshoni and Nez Perce tribes.[11][12] As the colonial Quarter Horse was crossed with these western horses, the pioneers found that the new crossbred had innate "cow sense", a natural instinct for working with cattle, making it popular with cattlemen on ranches.[13]

Development as a distinct breed[edit]

See also: American Quarter Horse Association and American Quarter Horse Hall of Fame

A photograph of Peter McCue, taken in Oklahoma around 1905

Early foundation sires of Quarter horse type included Steel Dust, foaled 1843; Shiloh (or Old Shiloh), foaled 1844; Old Cold Deck (1862); Lock's Rondo, one of many "Rondo" horses, foaled in 1880; Old Billy—again, one of many "Billy" horses—foaled circa 1880; Traveler, a stallion of unknown breeding, known to have been in Texas by 1889;[14] and Peter McCue, foaled 1895, registered as a Thoroughbred but of disputed pedigree.[6][14][15] Another early foundation sire for the breed was Copperbottom, foaled in 1828, who tracks his lineage through the Byerley Turk, a foundation sire of the Thoroughbred horse breed.[16][17][18][19]

The main duty of the ranch horse in the American West was working cattle. Even after the invention of the automobile, horses were still irreplaceable for handling livestock on the range. Thus, major Texas cattle ranches, such as the King Ranch, the 6666 (Four Sixes) Ranch, and the Waggoner Ranch played a significant role in the development of the modern Quarter Horse. The skills required by cowboys and their horses became the foundation of the rodeo, a contest which began with informal competition between cowboys and expanded to become a major competitive event throughout the west. To this day, the Quarter Horse dominates in events that require speed as well as the ability to handle cattle.[20]

Sprint races were also popular weekend entertainment and racing became a source of economic gain for breeders. As a result, more Thoroughbred blood was added into the developing American Quarter Horse breed. The American Quarter Horse also benefitted from the addition of Arabian, Morgan, and even Standardbred bloodlines.[21]

In 1940, the American Quarter Horse Association (AQHA) was formed by a group of horsemen and ranchers from the Southwestern United States dedicated to preserving the pedigrees of their ranch horses.[22] After winning the 1941 Fort Worth Exposition and Fat Stock Show grand champion stallion, the horse honored with the first registration number, P-1, was Wimpy,[23] a descendant of the King Ranch foundation sire Old Sorrel. Other sires alive at the founding of the AQHA were given the earliest registration numbers Joe Reed P-3, Chief P-5, Oklahoma Star P-6, Cowboy P-12, and Waggoner's Rainy Day P-13.[24] The Thoroughbred race horse Three Bars, alive in the early years of the AQHA, is recognized by the American Quarter Horse Hall of Fame as one of the significant foundation sires for the Quarter Horse breed.[25] Other significant Thoroughbred sires seen in early AQHA pedigrees include Rocket Bar, Top Deck and Depth Charge.[26]

"Appendix" and "Foundation" horses[edit]

Since the American Quarter Horse was formally established as a breed, the AQHA stud book has remained open to additional Thoroughbred blood via a performance standard. An "Appendix" American Quarter Horse is a first generation cross between a registered Thoroughbred and an American Quarter Horse or a cross between a "numbered" American Quarter Horse and an "appendix" American Quarter Horse. The resulting offspring is registered in the "appendix" of the American Quarter Horse Association's studbook, hence the nickname. Horses listed in the appendix may be entered in competition, but offspring are not initially eligible for full AQHA registration. If the Appendix horse meets certain conformational criteria and is shown or raced successfully in sanctioned AQHA events, the horse can earn its way from the appendix into the permanent studbook, making its offspring eligible for AQHA registration.[27]

Since Quarter Horse/Thoroughbred crosses continue to enter the official registry of the American Quarter Horse breed, this creates a continual gene flow from the Thoroughbred breed into the American Quarter Horse breed, which has altered many of the characteristics that typified the breed in the early years of its formation. Some breeders argue that the continued addition of Thoroughbred bloodlines are beginning to compromise the integrity of the breed standard. Some favor the earlier style of horse and have created several separate organizations to promote and register "Foundation" Quarter Horses.[28][29][30]

American Quarter Horses today[edit]

The Quarter Horse is well-suited for the western disciplines.

The American Quarter Horse is best known today as a show horse, race horse, reining and cutting horse, rodeo competitor, ranch horse, and all-around family horse. Quarter Horses are commonly used in rodeo events such as barrel racing, calf roping and team roping;[31][32] and gymkhana or O-Mok-See.[33] Other stock horse events such as cutting and reining are open to all breeds but are dominated by American Quarter Horse.

The breed is not only well-suited for western riding and cattle work. Many race tracks offer Quarter Horses a wide assortment of pari-mutuel horse racing with earnings in the millions.[32] Quarter Horses have also been trained to compete in dressage and show jumping. They are also used for recreational trail riding and in mounted police units.[23]

The American Quarter Horse has also been exported worldwide. European nations such as Germany and Italy have imported large numbers of Quarter Horses. Next to the American Quarter Horse Association (which also encompasses Quarter Horses from Canada), the second largest registry of Quarter Horses is in Brazil, followed by Australia.[34] In the UK the breed is also becoming very popular, especially with the two Western riding Associations, the Western Horse Association and The Western Equestrian Society. The British American Quarter Horse breed society is the AQHA-UK.[citation needed] With the internationalization of the discipline of reining and its acceptance as one of the official seven events of the World Equestrian Games, there is a growing international interest in Quarter Horses. The American Quarter Horse is the most popular breed in the United States today, and the American Quarter Horse Association is the largest breed registry in the world, with nearly 3 million American Quarter Horses registered worldwide in 2014.[35]

Breed characteristics[edit]

A halter-type Quarter Horse

The Quarter Horse has a small, short, refined head with a straight profile, and a strong, well-muscled body, featuring a broad chest and powerful, rounded hindquarters. They usually stand between 14 and 16 hands (56 and 64 inches, 142 and 163 cm) high, although some Halter-type and English hunter-type horses may grow as tall as 17 hands (68 inches, 173 cm).

There are two main body types: the stock type and the hunter or racing type. The stock horse type is shorter, more compact, stocky and well-muscled, yet agile. The racing and hunter type Quarter Horses are somewhat taller and smoother muscled than the stock type, more closely resembling the Thoroughbred.[36]

Quarter Horses come in nearly all colors. The most common color is sorrel, a brownish red, part of the color group called chestnut by most other breed registries. Other recognized colors include bay, black, brown, buckskin, palomino, gray, dun, red dun, grullo (also occasionally referred to as blue dun), red roan, blue roan, bay roan, perlino, cremello, and white.[37] In the past, spotted color patterns were excluded, but now with the advent of DNA testing to verify parentage, the registry accepts all colors as long as both parents are registered.[38]

Stock type[edit]

See also: Stock horse

A stock horse is a horse of a type that is well suited for working with livestock, particularly cattle. Reining and cutting horses are smaller in stature, with quick, agile movements and very powerful hindquarters. Western pleasure show horses are often slightly taller, with slower movements, smoother gaits, and a somewhat more level topline – though still featuring the powerful hindquarters characteristic of the Quarter Horse.[citation needed]

Halter type[edit]

Horses shown in-hand in Halter competition are larger yet, with a very heavily muscled appearance, while retaining small heads with wide jowls and refined muzzles. There is controversy amongst owners, breeder and veterinarians regarding the health effects of the extreme muscle mass that is currently fashionable in the specialized halter horse, which typically is 15.2 to 16 hands (62 to 64 inches, 157 to 163 cm) and weighs in at over 1,200 pounds (540 kg) when fitted for halter competition. Not only are there concerns about the weight to frame ratio on the horse's skeletal system, but the massive build is also linked to hyperkalemic periodic paralysis (HYPP) in descendants of the stallion Impressive (see Genetic diseases below).

Racing and hunter type[edit]

A Quarter Horse warming up for hunt seat competition

Quarter Horse race horses are bred to sprint short distances ranging from 220 to 870 yards. Thus, they have long legs and are leaner than their stock type counterparts, but are still characterized by muscular hindquarters and powerful legs. Quarter Horses race primarily against other Quarter Horses, and their sprinting ability has earned them the nickname, "the world's fastest athlete."[39] The show hunter type is slimmer, even more closely resembling a Thoroughbred, usually reflecting a higher percentage of appendix breeding. They are shown in hunter/jumper classes at both breed shows and in open USEF-rated horse show competition.[40]

Genetic diseases[edit]

There are several genetic diseases of concern to Quarter Horse breeders:

  • Hyperkalemic periodic paralysis (HYPP), which is caused by an autosomaldominant gene linked to the stallion Impressive. It is characterized by uncontrollable muscle twitching and substantial muscle weakness or paralysis among affected horses. Because it is a dominant gene,[41] only one parent has to have the gene for it to be transmitted to offspring. There is a DNA test for HYPP, which is required by the AQHA. Since 2007, the AQHA bars registration of horses who possess the homozygous form (H/H) of the gene, and though heterozygous (H/N) horses are still eligible for registration, altering that status is currently being discussed. Additionally all Quarter Horses born 2007 or later that are confirmed to be descendants of Impressive must carry a note about the risks of HYPP on their registration papers. Due to HYPP, the halter classes are undergoing significant changes. Halter classes are dominated by the Impressive bloodline. Impressive, a very prolific halter horse, brought to the stock breeds the muscle mass that is popular in halter competition today. This muscle mass is linked to HYPP, and as the condition is reduced within the breed, the style of horse in halter classes is also likely to change. Already there have been rule changes, including the creation of a "Performance Halter class" in which a horse must possess a Register of Merit in performance or racing before it can compete.[42]
  • Malignant hyperthermia. A causative mutated allele, ryanodine receptor 1 gene (RyR1) at nucleotide C7360G, generating a R2454G amino acid substitution.[43] has been identified in the American Quarter Horse and breeds with Quarter Horse ancestry, inherited as an autosomal dominant[44][45] It can be caused by overwork, anesthesia, or stress.[46]
  • Hereditary Equine Regional Dermal Asthenia (HERDA), also known as hyperelastosis cutis (HC). This is caused by an autosomalrecessive gene, and thus, unlike HYPP, HERDA can only be transmitted if both parents carry the gene. When a horse has this disease, there is a collagen defect that results in the layers of skin not being held firmly together. Thus, when the horse is ridden under saddle or suffers trauma to the skin, the outer layer often splits or separates from the deeper layer, or it can tear off completely. It rarely heals without disfiguring scars. Sunburn can also be a concern. In dramatic cases, the skin can split along the back and even roll down the sides, with the horse literally being skinned alive. Most horses with HERDA are euthanized for humane reasons between the age of two and four years. The very hotly debated and controversial theory, put forth by researchers at Cornell University and Mississippi State University is that the sire line of the great foundation stallion Poco Bueno is implicated as the origin of the disease. As of May 9, 2007, Researchers working independently at Cornell University and at the University of California, Davis announced that a DNA test for HERDA has been developed. Over 1,500 horses were tested during the development phase of the test, which is now available to the general public through both institutions.[47]
  • Glycogen Branching Enzyme Deficiency (GBED) is a genetic disease where the horse is lacking an enzyme necessary for storing glycogen, the horse's heart muscle and skeletal muscles cannot function, leading to rapid death. The disease occurs in foals who are homozygous for the lethal GBED allele, meaning both parents carry one copy of the gene. The stallion King P-234 has been linked to this disease. There is a DNA blood test for this gene.[48]
  • Equine polysaccharide storage myopathy, also called EPSM or PSSM, is a metabolic muscular condition in horses that causes tying up, and is also related to a glycogen storage disorder.[49] While also seen in some draft horse breeds, PSSM has been traced to three specific but undisclosed bloodlines in Quarter Horses, with an autosomalrecessive inheritance pattern.[50] 48% of Quarter Horses with symptoms of neuromuscular disease have PSSM. To some extent it can be diet controlled with specialized low-starch diets, but genetic testing is advised before breeding, as the condition exists at a subclinical level in approximately 6% of the general Quarter Horse population.[51]
  • Lethal White Syndrome. Although "cropout" Quarter Horses with Paint markings were not allowed to be registered for many years, the gene for such markings is a recessive and continued to periodically appear in Quarter Horse foals. Thus, it is believed that some Quarter Horses may carry the gene for Lethal White Syndrome. There is a DNA test for this condition.[52]
  • Cleft Palate Birth defect, this is not just a genetic disorder. There is not just one thing that will cause this issue. It can be caused from genetics, hormones, mineral deficiency, tranquilizers, or steroids. Cleft palates are extremely uncommon. The surgery to repair the cleft palate does not have a high success rate. Only about a 20% success rate is seen from the surgery. Quarter horses seem to have the most research done with them, and this defect occurs more in quarter horses based on the research. Some observations of a horse with a cleft palate and no surgery are: lifting head high when eating, dropping head low to drink, coughing when beginning of exercise, and placing wormers or other oral medications in the side of the jaw and taking about hour to administer full dose.[53][54]

See also[edit]

References[edit]

  1. ^"AQHA Annual Report - 2014 Horse Statistics". American Quarter Horse Association. Archived from the original on September 23, 2015. Retrieved August 24, 2015.
  2. ^Denhardt Quarter Running Horse pp. 4–8
  3. ^Denhardt Quarter Running Horse pp. 20–32
  4. ^Mackay-Smith Colonial Quarter Race Horse p. 106
  5. ^Mackay-Smith Colonial Quarter Race Horse p. 138
  6. ^ abBeckmann, Bruce. "Quarter Horses". Handbook of Texas Online. Texas State Historical Association. Retrieved 2006-05-30.
  7. ^Mackay-Smith Colonial Quarter Race Horse p. xxxi
  8. ^"American Quarter Horse." Britannica School. Encyclopædia Britannica, Inc., 2015. Web. 1 Jul. 2015.
  9. ^Dutson, Judith (2012), Storey's Illustrated Guide to 96 Horse Breeds of North America, Storey Publishing, p. 64, ISBN 
  10. ^"AQHA World Records".
  11. ^Moulton, Gary E., ed. (2003). The Lewis and Clark Journals. Lincoln, Nebraska: University of Nebraska Press. ISBN .
  12. ^Murphy, Robert F., and Yolanda Murphy. Shoshone-Bannock Subsistence and Society. Good Press, 2019.
  13. ^Mackay-Smith Colonial Quarter Race Horse p. 193
  14. ^ abClose, Legends 2: Outstanding Quarter Horse Stallions and Mares.
  15. ^Oklahoma State University. "Quarter Horse". Breeds of Livestock. Oklahoma State University. Archived from the original on 22 June 2008. Retrieved 2008-06-11.
  16. ^"Copperbottom"(PDF). Archived from the original(PDF) on 2019-10-26. Retrieved 2019-10-26.
  17. ^Lost Bloodline
  18. ^Sir Archy
  19. ^History of the Quarter Horse
  20. ^Doan, Ryan; Cohen, Noah D; Sawyer, Jason; Ghaffari, Noushin; Johnson, Charlie D; Dindot, Scott V (2012). "Whole-Genome sequencing and genetic variant analysis of a quarter Horse mare". BMC Genomics. 13: 78. doi:10.1186/1471-2164-13-78. PMC 3309927. PMID 22340285.
  21. ^"Breeds of Livestock - Quarter Horse — Breeds of Livestock, Department of Animal Science". afs.okstate.edu.
  22. ^Denhardt Quarter Horse pp. 143–167
  23. ^ abKentucky Horse Park. "American Quarter Horse". International Museum of the Horse- Horse Breeds of the World. Kentucky Horse Park. Archived from the original on 2010-08-22. Retrieved 2008-06-11.
  24. ^American Quarter Horse Association Combined Stud Book 1-2-3-4-5 p. 1
  25. ^"Three Bars (TB)"(PDF). American Quarter Horse Association. Archived from the original(PDF) on 2011-07-07. Retrieved 2010-12-21.
  26. ^Wiggins Great American Speedhorse p. 166
  27. ^"Documents and Forms". American Quarter Horse Association. www.aqha.com. Retrieved August 24, 2019.
  28. ^Foundation Quarter Horse Association. "Foundation Quarter Horse Association". FQHA Website. Foundation Quarter Horse Association. Archived from the original on 1 April 2007. Retrieved 2007-04-02.
  29. ^Foundation Horses. "Foundation Bred Quarter Horses". FoundationHorses.com. Foundation Horses. Archived from the original on 26 April 2007. Retrieved 2007-04-02.
  30. ^National Foundation Quarter Horse Association. "National Foundation Quarter Horse Association". NFQHA Website. National Foundation Quarter Horse Association. Archived from the original on 22 April 2007. Retrieved 2007-04-02.
  31. ^Ross, Michael W; Dyson, Sue J (2010-11-11). Diagnosis and Management of Lameness in the Horse - E-Book. ISBN .
  32. ^ abLynghaug, Fran (2009-10-15). The Official Horse Breeds Standards Guide: The Complete Guide to the Standards of All North American Equine Breed Associations. ISBN .
  33. ^"National Saddle Clubs Association - Home". www.omoksee.com.
  34. ^"The Canadian Quarter Horse Association".
  35. ^"AQHA Annual Report - 2014 Horse Statistics". American Quarter Horse Association. Archived from the original on September 23, 2015. Retrieved August 24, 2015.
  36. ^"Light Horse: Breed Types and Uses"(PDF). Alabama Horse Council. 2011. Archived from the original(PDF) on August 19, 2019. Retrieved September 9, 2019.
  37. ^"Registration rules"(PDF). American Quarter Horse Association. Archived from the original(PDF) on 2011-07-07. Retrieved 2010-12-21.
  38. ^American Quarter Horse Association. "AQHA Handbook of Rules & Regulations 2008 Rule 205 (d)". AQHA Website. American Quarter Horse Association. Archived from the original on October 7, 2008. Retrieved August 9, 2008.
  39. ^Ellen., Frazel (2012). The American quarter horse. Minneapolis, MN: Bellwether Media. ISBN . OCLC 794554681.
  40. ^M., Baxter, Gary (2011). Adams and Stashak's Lameness in Horses (6th ed.). Somerset: Wiley. pp. Chapter 2. ISBN . OCLC 927499663.
  41. ^"Details on AQHA HYP rules for registration". Archived from the original on 2009-01-20. Retrieved September 9, 2019.
  42. ^"AQHA Handbook, Section 448 Halter Classes, (j) Performance Halter". Retrieved 30 September 2012.[permanent dead link]
  43. ^Aleman M (2009). "Malignant Hyperthermia Associated with Ryanodine Receptor 1 (C7360G) Mutation in Quarter Horses". Journal of Veterinary Internal Medicine. 23 (2): 329–334. doi:10.1111/j.1939-1676.2009.0274.x. PMID 19220734.
  44. ^Lenz, Tom R. "Heritable Diseases of the American Quarter Horse and Their Management"(PDF). Tom R. Lenz. Archived from the original(PDF) on 2014-06-09. Retrieved September 9, 2019.
  45. ^"Malignant hyperthermia: a review". ResearchGate. Retrieved August 24, 2019.
  46. ^Valberg SJ, Mickelson JR, Gallant EM, MacLeay JM, Lentz L, de la Corte F (1999). "Exertional rhabdomyolysis in quarter horses and thoroughbreds: one syndrome, multiple aetiologies". Equine Vet J Suppl. 30 (30): 533–8. doi:10.1111/j.2042-3306.1999.tb05279.x. PMID 10659313.
  47. ^"HERDA: DNA Tests Available for Disfiguring Skin Disease". The Horse. May 28, 2007. Retrieved August 24, 2019.
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Sources[edit]

  • American Quarter Horse Association (1961). Official Stud Book and Registry Combined Books 1-2-3-4-5. Amarillo, TX: American Quarter Horse Association.
  • Church, Stephanie L. (2006-09-14). "ACVIM 2006: Prevalence of PSSM in Quarter Horses". The Horse Online News (# 7628). Archived from the original on 6 June 2008. Retrieved 2008-06-12.
  • Close, Pat (1994). Legends 2: Outstanding Quarter Horse Stallions and Mares. Colorado Springs: Western Horseman. ISBN .
  • Denhardt, Robert M. (1979). The Quarter Running Horse: America's Oldest Breed. Norman, OK: University of Oklahoma Press. ISBN .
  • Mackay-Smith, Alexander (1983). The Colonial Quarter Race Horse. Richmond, VA: Whittet & Shepperson.
  • Sellnow, Les (2007-05-28). "HERDA: DNA Tests Available for Disfiguring Skin Disease". The Horse Online News. Retrieved 2007-05-07.
  • Valberg SJ, Mickelson JR, Gallant EM, MacLeay JM, Lentz L, de la Corte F (July 1999). "Exertional rhabdomyolysis in quarter horses and thoroughbreds: one syndrome, multiple aetiologies". Equine Vet Journal Supplement. 30: 533–8. doi:10.1111/j.2042-3306.1999.tb05279.x. PMID 10659313.
  • Wiggins, Walt (1978). The Great American Speedhorse: A Guide to Quarter Racing. New York: Sovereign Books. ISBN .

Further reading[edit]

  • Denhardt, Robert Moorman (1997). Foundation Sires of the American Quarter Horse. University of Oklahoma Press. ISBN .

External links[edit]

American horse breed

Sours: https://en.wikipedia.org/wiki/American_Quarter_Horse


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