Understanding the Bully Whippet Dog Double Muscled Phenotype

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Posted Oct 21, 2024

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The Bully Whippet dog is a unique breed that boasts a double muscled phenotype, which is a result of selective breeding.

This distinctive physical characteristic is due to the breed's history of being crossed with other breeds, such as the Bulldog and the Greyhound.

The double muscling is a result of the breed's genetic makeup, which leads to an increase in muscle mass and a more compact body.

This breed's unique appearance is just one aspect of its fascinating nature.

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Health Risks

Whippets are generally a healthy breed, with most living for 12 to 15 years with proper care. They're not prone to common health issues like ear infections, skin allergies, or digestive problems that affect other breeds.

Their low body fat and liver issues make them intolerant of barbiturate anaesthetics, so it's essential to work with a veterinarian experienced with the breed. A UK breed survey puts the median lifespan at 12 years 10 months.

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Genetic eye defects are rare in Whippets, but it's crucial for breeders to test for this defect in their breeding stock. Hip dysplasia is also rare, affecting only 1.2% of evaluated Whippets.

Whippets have a unique heart structure, which can sometimes cause concern for owners or veterinarians unfamiliar with the breed. However, they'll demonstrate a regular heartbeat during exercise.

Bully Whippet Syndrome is a genetic condition affecting muscle growth, caused by a myostatin mutation. This mutation is associated with athletic performance, but can also lead to cardiac and pulmonary problems.

Here are some possible consequences of Bully Whippet Syndrome:

  • Overly-muscled appearance
  • Possible cardiac problems
  • Possible pulmonary problems
  • Problems reproducing
  • Early death

Responsible breeding is the best method for preventing Bully Whippet Syndrome in future generations.

Understanding Double Muscling Syndrome

Double Muscling Syndrome, also known as Bully Whippet Syndrome, is an inherited recessive genetic condition that affects Whippets.

It makes them appear "double" muscled, with a stocky and bulky physique, which is quite different from the traditional lean build of Whippets.

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In fact, Bully Whippets tend to have broader heads, shorter legs, and thicker tails than their lean counterparts.

The name "Bully" doesn't imply aggression, but rather a reference to the double-muscled condition being more common in cattle.

Bully Whippets are not aggressive and retain the same temperament as regular Whippets.

However, despite their muscular appearance, they're not capable of reaching the running speeds that Whippets are famous for.

The genetic mutation responsible for Bully Whippet Syndrome affects the myostatin gene, which regulates muscle development.

Only Whippets with two copies of the mutated gene develop the muscular physique associated with Bully Whippet Syndrome.

If a Whippet has one copy of the mutation, it may not become super-muscular, but could potentially run even faster than regular Whippets.

Here's a breakdown of the genetic inheritance of Bully Whippet Syndrome:

Unfortunately, Bully Whippet Syndrome can lead to some serious health consequences, including cardiac and pulmonary problems, difficulties reproducing, and a shorter life expectancy.

Prevention and Diagnosis

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Bully Whippet Syndrome can be greatly mitigated through responsible breeding, which is the best method for prevention in future generations.

A dog DNA test can reveal if your dog is at risk of Bully Whippet Syndrome, with three possible genotypes reported: CLEAR, CARRIER, and AT RISK.

If your dog is AT RISK, they will appear to be more heavily muscled, and it's essential to remember that these dogs are not "freaks" but loving and loyal family companions.

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Preventing Syndrome

Responsible breeding is the best method for preventing Bully Whippet Syndrome in future generations.

Bully Whippet Syndrome is an inherited recessive genetic condition, so it's essential to work with reputable breeders who prioritize genetic testing and responsible breeding practices.

The condition can be greatly mitigated through responsible breeding, which is the best way to prevent it.

However, even with responsible breeding, there's still a risk of the syndrome appearing in offspring.

A dog DNA test can help identify whether a Whippet is a carrier or at risk for the condition, which is crucial for responsible breeding.

Unfortunately, there is no known cure for Bully Whippet Syndrome, but with vigilant care from a veterinarian, these dogs can live happy and healthy lives.

Responsible breeders will prioritize the health and well-being of their dogs, which includes genetic testing for Bully Whippet Syndrome.

Order a DNA Test

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Ordering a DNA test can give you valuable insights into your Whippet's genetic makeup.

The Myostatin Deficiency or Bully Whippet Syndrome is an autosomal inherited recessive trait that can affect your Whippet's appearance. It's a physically-manifested trait only, and doesn't affect their naturally-sweet disposition.

This condition is regulated by the myostatin gene, which controls muscle-mass and composition. The myostatin gene is what makes the difference in a Whippet's muscle appearance.

Ordering a dog DNA test can help you determine if your Whippet has the "Bully" mutation, which can give them a distinct advantage when racing.

Temperament and Behavior

Whippets are a calm and resilient breed, making them a great companion for many families. They are less high-strung than other sighthounds, such as greyhounds.

They need a moderate amount of exercise, which can be achieved in short bursts of activity. A 5-10 minute sprint or playtime with a ball or Frisbee is enough to keep them happy and healthy.

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Whippets are content to lounge around the house for the rest of the day, but they do need some physical activity to prevent boredom and destructive behavior. Eating through curtains and couches can be a problem if they're left alone for too long.

A nice little walk in between playtime is also a good idea to keep them exercised and happy.

Frequently Asked Questions

What is the difference between a whippet and a bully whippet?

A Whippet is a standard breed, while a Bully Whippet has a genetic mutation causing larger musculature due to a myostatin mutation. The mutation is associated with athletic performance and is not typically seen in Whippets without two copies of the gene.

Are bully whippets fast?

Bully whippets are generally slower than other whippets due to their excess muscle mass, which can hinder their speed. However, they may still possess some speed advantages, such as those with a single mutated copy of the MSTN gene.

Rachel Kunze

Senior Writer

Rachel Kunze is a passionate writer with a keen interest in the world of animals and agriculture. Her articles have been featured in various publications, covering topics such as the Maremma Sheepdog and livestock breeds. With a deep understanding of the subject matter, Rachel's writing is informative, engaging, and accessible to readers of all levels.

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