
The Australian Shepherd, or Aussie, is a breed of herding dog originating from the United States. They are known for their unique colourations, slender bodies, piercing blue eyes, and triangular ears. While they are easily recognised for these features, their tails are also a distinctive trait. Australian Shepherds can be born with long or naturally bobbed (short) tails, and traditionally, those with long tails had them docked to meet breed standards. However, docking is a controversial practice that has been banned in some countries due to concerns about the physical and psychological impacts on the dogs. The natural bobtail gene in Australian Shepherds is an incomplete dominant gene, and breeding two dogs with this gene can lead to severe health risks for the puppies.
| Characteristics | Values |
|---|---|
| Percentage of Australian Shepherds born with a naturally bobbed tail | 20% (1 in 5) |
| Reasons for docking tails | Hygiene, to prevent injury, or for cosmetic reasons |
| Methods of docking tails | Single incision above the tail, or using a rubber band to constrict blood supply |
| Age of puppies when tails are docked | 2-5 days after birth |
| Health risks of docking | Risk of infection, nerve damage, nerve tumors, reactivity and compulsive behavior directed at their tail or rear end |
| Health risks of natural bobbed tails | Kink in the tail, which can be considered a malformed tail |
| Genetic cause of bobbed tails | Incomplete dominant gene, or T gene mutation C189G |
| Countries with bans on tail docking | UK |
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What You'll Learn
- Natural bobbed tails in Australian Shepherds are caused by a gene mutation
- The American Kennel Club breed standard states that Australian Shepherd tails should not exceed 4 inches
- Tail docking is done for hygiene, to prevent injury, or for cosmetic reasons
- Tail docking can cause nerve damage and nerve tumours, leading to chronic pain
- The Australian Shepherd Club of America standard describes the tail as straight, not to exceed four (4) inches natural bobtail or docked

Natural bobbed tails in Australian Shepherds are caused by a gene mutation
The Australian Shepherd is a breed of herding dog that originated in California in the 19th century. The name is a misnomer, as the breed was developed from sheepdogs imported from Australia and New Zealand, among other places. The Australian Shepherd is known for its unique colourations and variable coat patterns, as well as its moderately long and wavy double coat.
The bobtail gene is an incomplete dominant gene, similar to the merle gene that results in the breed's coloured coats. Only one copy of the gene is needed for a puppy to be born with a bobbed tail. However, puppies that inherit two copies of the gene typically do not survive, resulting in a reduced litter size. This is because the homozygous condition, or the presence of two copies of the affected gene, is lethal in utero in most cases.
Breeding specifically for bobbed tails in Australian Shepherds is not commonly practised due to the potential negative effects on the gene pool and the risk of lethal deformities. Concentrating on breeding for bobbed tails can also result in ignoring other important aspects of the breed. Additionally, bobbed tails may not always be aesthetically desirable, with some owners opting to dock them anyway.
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The American Kennel Club breed standard states that Australian Shepherd tails should not exceed 4 inches
The Australian Shepherd is a breed of herding dog that originated in the United States, specifically California, in the 19th century. It is believed that the breed descends from various herding dogs imported from Australia and New Zealand, which is how it got its name.
The Australian Shepherd is known for its unique colourations and variable coat patterns, with no two dogs sharing the same coat. The breed standard allows for blue merle, red merle, solid black, or solid red, with or without white markings and tan points.
In addition to their distinctive coats, Australian Shepherds are also recognised for their tails, which are often bobbed or docked. According to the American Kennel Club's breed standard, Australian Shepherds should have a "straight, docked, or naturally docked tail that should not exceed 4 inches in length." This standard is based on the older Australian Shepherd Club of America (ASCA) standard, which describes the tail as "straight, not to exceed four (4) inches natural bobtail or docked."
The reason for docking an Australian Shepherd's tail varies. Some people do it for hygiene reasons, to prevent injury, or for cosmetic purposes. Tail docking is usually done within the first few days after a puppy is born and can be achieved through a single incision or by using a rubber band to constrict the blood supply to the tail.
It is important to note that not all Australian Shepherds have docked tails. In fact, according to the Australian Shepherd Health and Genetics Institute, about one in five Australian Shepherds are born with a naturally bobbed tail due to a specific gene mutation. This natural bobbed tail is considered acceptable by the American Kennel Club as long as it does not exceed 4 inches in length.
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Tail docking is done for hygiene, to prevent injury, or for cosmetic reasons
Tail docking is a common practice for Australian Shepherds, often carried out within the first few days of a puppy's life. While the procedure is sometimes performed for hygiene, injury prevention, or cosmetic reasons, it is a controversial topic due to potential health and welfare implications for the dogs.
Hygiene
Tail docking is believed to improve hygiene by reducing the risk of infection associated with long tails. However, critics argue that proper tail care and grooming can maintain hygiene without resorting to docking.
Injury Prevention
Historically, Australian Shepherds were herding dogs, and tail docking was done to prevent their tails from being stepped on, caught in machinery, or sustaining injuries while working. While this rationale made sense in the context of working dogs, most Australian Shepherds today live as family pets, reducing the necessity for preventative tail docking.
Cosmetic Reasons
Breeders and dog owners may dock the tails of Australian Shepherds to achieve a uniform tail length that conforms to breed standards. The American Kennel Club's official breed standard describes the ideal tail as "straight, docked, or naturally docked, not exceeding 4 inches in length." This cosmetic reasoning has been a subject of debate, with critics arguing that natural tail variations should be celebrated and that docking can lead to unintended consequences, such as kinked or curved tails, which some consider undesirable.
It is important to note that the practice of tail docking has been banned in several countries, including the UK, due to ethical concerns and the potential for negative health impacts on the dogs. While some argue that docking prevents injury and improves hygiene, others emphasize the potential for nerve damage, chronic pain, and psychological consequences associated with the procedure.
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Tail docking can cause nerve damage and nerve tumours, leading to chronic pain
Tail docking is a procedure that involves the surgical removal of part of a dog's tail. It is often carried out on Australian Shepherd puppies to prevent their tails from being stepped on, caught in machinery, or sustaining injuries while working. However, this practice has come under scrutiny due to the potential risks associated with it.
One of the primary concerns with tail docking is the risk of nerve damage and the development of nerve tumors, which can lead to chronic pain for the dog. Research in pigs has shown that tail docking can result in the formation of traumatic neuromas, which are scars that trap regenerating nerve endings. This can lead to abnormal neuronal firing, causing altered sensations such as anaesthesia, paraesthesia, and dysaesthesia, which is an unpleasant abnormal sensation.
Similarly, investigations in rodents have indicated that early peripheral nerve damage due to tail docking may lead to lower nociceptive thresholds later in life. This could result in modified social behaviour and a general fear of humans due to the handling during docking. While the incidence of these issues in humans is relatively low, the risk is still present and can cause chronic pain and discomfort for dogs.
In addition to the physical discomfort, tail docking can also have psychological consequences for dogs. The removal of the tail reduces their ability to communicate, as they use their tails to express their emotions and feelings to both humans and other dogs. This can lead to reactivity and compulsive behaviour directed at their tail or rear end, especially if the docking procedure was particularly painful or traumatic.
Therefore, it is essential to carefully consider the potential risks associated with tail docking before making any decisions regarding this procedure. While it may be done to prevent injuries or for cosmetic reasons, the potential for nerve damage, nerve tumors, and chronic pain should not be overlooked.
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The Australian Shepherd Club of America standard describes the tail as straight, not to exceed four (4) inches natural bobtail or docked
The Australian Shepherd is a breed of herding dog that originated in the United States. The breed is known for its unique colourations and variable coat patterns, and one in five Australian Shepherds will have a natural bobbed tail. The Australian Shepherd Club of America (ASCA) standard describes the ideal tail as "straight, not to exceed four (4) inches natural bobtail or docked". This means that the tail should be straight and no more than four inches long, either naturally or by docking (cutting) the tail. Docking is a common practice for Australian Shepherds, especially within a few days of birth, to achieve the desired tail length and shape.
The ASCA standard serves as a guideline for breeders and owners aiming to conform to the established "look" of the breed. However, it's important to note that the practice of tail docking has come under scrutiny in recent years. Many countries have instituted bans on tail docking, and others are considering doing the same. This has sparked discussions among breeders, clubs, and judges in countries where docking is no longer allowed about what tail type is considered correct for the breed.
The Australian Shepherd Health and Genetics Institute (ASHGI) conducted a survey between 2009 and 2010 to gather data on the natural variation of tails within the breed. The survey found that among Australian Shepherds with natural bobtails, 47% had tails a quarter length or longer, and 10% exhibited a kink or curve in their tails. These variations may be considered undesirable by some owners or breeders, but they are natural occurrences within the breed.
While the ASCA standard provides a description of the ideal tail, it's worth noting that the tail length and shape can vary significantly among Australian Shepherds. The decision to dock a dog's tail remains a controversial topic, and it's essential to consider the potential impact on the dog's health and well-being. Some people argue that docking an Australian Shepherd's tail when they are very young is not painful, while others dispute this claim, stating that puppies do develop at least a basic nervous system after birth, which could sense pain.
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Frequently asked questions
Yes, most of them do. In fact, over 50% of Australian Shepherds are born with long, thick, fluffy tails. However, many people think that these dogs don't have tails, as some have bobbed or docked tails.
The original purpose of docking the tails of Australian Shepherd puppies was to prevent injury to working dogs. Australian Shepherds were once primarily used as herding dogs, and their tails could easily be stepped on, caught in machinery, or sustain serious injuries while the dog works.
Removing a dog's tail can have physical and psychological consequences. There is a risk of infection after surgery, and nerve damage and nerve tumours can develop, causing chronic pain. Dogs can also lose a vital method of communication, as they use their tails to express their feelings.











































