Bull Terrier (Miniature)
Encyclopedia
The Bull Terrier is a breed
Dog breed
Dog breeds are groups of closely related and visibly similar domestic dogs, which are all of the subspecies Canis lupus familiaris, having characteristic traits that are selected and maintained by humans, bred from a known foundation stock....

 with origins in the English White Terrier
English White Terrier
The English white terrier is an extinct breed of dog.The English White terrier is the failed show ring name of a pricked-ear version of the white fox-working terriers that have existed in the U.K...

, the Dalmatian
Dalmatian (dog)
The Dalmatian is a breed of dog whose roots are often said to trace back to Dalmatia, a region of Croatia where the first illustrations of the dog have been found. The Dalmatian is noted for its unique black- or brown-spotted coat and was mainly used as a carriage dog in its early days...

 and the Bulldog
Bulldog
Bulldog is the name for a breed of dog commonly referred to as the English Bulldog. Other Bulldog breeds include the American Bulldog, Olde English Bulldogge and the French Bulldog. The Bulldog is a muscular heavy dog with a wrinkled face and a distinctive pushed-in nose...

. The first existence is documented 1872 in The Dogs of British Island.

Appearance

Miniature Bull Terriers have short, fine, and glossy coats that are very close to the skin, like the Bull Terriers. They are accepted in the ring to be white, white with another color, or fully colored. However, like the Standards, any blue or liver colored coats are undesirable. These dogs require very minimal grooming.

In the early 1900s, the difference between the breeds was determined by the dog's weight. However, this led to Miniature Bull Terriers becoming so small and fine that they looked more like a Chihuahua
Chihuahua (dog)
The ' is the smallest breed of dog and is so named for the state of Chihuahua in Mexico. Chihuahuas come in a wide variety of sizes, head shapes, colors and coat lengths.-History:...

 than a Bull Terrier. So, in the 1970s, the weight limit was replaced with a height limit of under fourteen inches. They are usually no smaller than ten inches. According to the AKC, miniature bull terriers weight must be proportionate to its height. However, they tend to range anywhere from 20–35 lbs.

The Miniature Bull Terriers have a very bold build. They have very muscular shoulders and a full body.

Miniature Bull Terriers, like the Bull Terrier, have a head described as "egg-shaped." It is flat on top with a Roman nose
Snout
The snout, or muzzle, is the protruding portion of an animal's face, consisting of its nose, mouth, and jaw.-Terminology:The term "muzzle", used as a noun, can be ambiguous...

. The eyes are triangular and closely set.

The ears are carried erect and are not cropped or otherwise altered.

The tail is carried horizontally rather than vertically.

Temperament

Like the Bull Terriers, Minis are loving and, like many terrier
Terrier
A terrier is a dog of any one of many breeds or landraces of terrier type, which are typically small, wiry, very active and fearless dogs. Terrier breeds vary greatly in size from just a couple of pounds to over 70 pounds and are usually categorized by size or function...

 breeds, can be stubborn at times; but despite this they make great dogs for people with limited space.

Miniature Bull Terriers are known to be stubborn and courageous. They do not seem to realize their size, however, because even if confronting an enormous dog they will not back down. However, with the right training, confrontations can be avoided. They are very energetic and playful. They love people, but often do not get along with other pets. They are variable around other dogs, and young children must be warned to treat them carefully.

Care

As mentioned before, Miniature Bull Terriers require little grooming. A quick brushing once a day or a few times a week is sufficient to keep the fur in order, as it cannot become tangled due to its length. Sunscreen must be used on any sparse white sections of fur around the face, ears, hindquarters or stomach when outdoors (especially in the summer between the hours of 10am and 2pm) to avoid sunburn and cancer.

Training

Miniatures do require a lot of training, particularly early on. They must be heavily socialized and trained to obey early in their lives.

They also are very energetic and seem to be able to play endlessly as puppies. However, as they grow older they become less energetic. They must be carefully exercised and dieted to avoid obesity.

Health

Miniature Bull Terriers are generally quite healthy, but there are hearing, eye, skin, kidney, heart and knee problems in some dogs:

Deafness occurs in both coloured and white Bull Terrier (Miniature). Puppies can be born unilaterally deaf (deaf in one ear) or bilaterally (deaf in both ears.) Deaf dogs should not be bred due to deafness being hereditary. BEAP (or BAER) testing is done on puppies prior to sale to discover which puppies have hearing problems.

Bull Terrier (Miniature) are also susceptible to having luxating patella
Luxating patella
Luxating patella is a condition in which the patella, or kneecap, dislocates or moves out of its normal location....

s. This is a knee problem common in small dogs. It can be treated by surgery.

Polycystic kidney disease
Polycystic kidney disease
Autosomal dominant polycystic kidney disease is an inherited systemic disorder that predominantly affects the kidneys, but may affect other organs including the liver, pancreas, brain, and arterial blood vessels...

 (PKD) and Bull Terrier hereditary nephritis
Nephritis
Nephritis is inflammation of the nephrons in the kidneys. The word "nephritis" was imported from Latin, which took it from Greek: νεφρίτιδα. The word comes from the Greek νεφρός - nephro- meaning "of the kidney" and -itis meaning "inflammation"....

 (BTHN) are autosomal dominant diseases. PKD is diagnosed by Ultrasonic scan by a specialist veterinarian. BTHN is diagnosed by a UPC test. Dogs with a score of .3 or below are considered clear of the disease. Clearing breeding stock prior to use ensures that progeny are not affected with the disease.

Miniature Bull Terriers are also susceptible to eye problems such as primary lens luxation
Eye proptosis
Eye proptosis is a condition resulting in forward displacement and entrapment of the eye from behind by the eyelids. The condition is also known as eye dislocation and eye luxation. It is a common result of head trauma and pressure exerted on the front of the neck too hard in dogs. Most commonly...

. PLL is a late onset disease which typically affects dogs between the ages of 3 and 7. Younger and older cases are known. During September 2009 a definitive DNA test was released by the Animal Health Trust
Animal Health Trust
The Animal Health Trust is a veterinary charity in the United Kingdom dedicated to improving the health and welfare of horses, dogs, and cats. It was founded in 1942 and was awarded a Royal Charter on 29 July 1963...

. This test gives three results: Clear, Carrier, Affected.

Aortic valve stenosis
Aortic valve stenosis
Aortic valve stenosis is a disease of the heart valves in which the opening of the aortic valve is narrowed. The aortic valve is the valve between the left ventricle of the heart and the aorta, which is the largest artery in the body and carries the entire output of blood.-Pathophysiology:The...

 and mitral valve dysplasia are heart diseases. Diagnosis is made by colour doppler echocardiography
Doppler echocardiography
Doppler echocardiography is a procedure which uses ultrasound technology to examine the heart. An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination the speed and direction of blood flow by utilizing the Doppler...

 scanning by a specialist veterinarian.

The skin of a Miniature can be a problem. Pyotraumatic dermatitis
Dermatitis
-Etymology:Dermatitis derives from Greek derma "skin" + -itis "inflammation" and genetic disorder.-Terminology:There are several different types of dermatitis. The different kinds usually have in common an allergic reaction to specific allergens. The term may describe eczema, which is also called...

 (hot spots
Hot spot (veterinary medicine)
In veterinary medicine, a "hot spot" is one of the many names for a raw, irritated lesion that results from a pet constantly scratching, chewing, and licking at an area of skin....

), allergic reactions, and hives can be problematic. This is typically due to feeding a processed diet high in grains. Breeders with experience find that changing the dogs diet to unprocessed raw foods eliminates skin problems in the breed.

History

When the Standard breed was first created in 19th century England, it was about the same size as Miniature Bull Terriers. Crossbreeding with Pointers
Pointer (dog breed)
The Pointer, often called the English Pointer, is a breed of dog developed as a gun dog. It is one of several pointing breeds.-Appearance:...

 increased the size so it was an optimal fighting size. Miniature Bull Terriers were granted membership in the American Kennel Club
American Kennel Club
The American Kennel Club is a registry of purebred dog pedigrees in the United States. Beyond maintaining its pedigree registry, this kennel club also promotes and sanctions events for purebred dogs, including the Westminster Kennel Club Dog Show, an annual event which predates the official...

 (AKC) on May 14, 1991 (effective January 1, 1992).

Interbreeding

Interbreeding, the process of mating together a Bull Terrier (Miniature) and Bull Terrier
Bull Terrier
The Bull Terrier or English Bull Terrier is a breed of dog in the terrier family. They are known for their large, egg-shaped head, small triangular eyes, and "jaunty gait." Their temperament has been described as generally fun-loving, active and clownish...

, is allowed, only for a short time, in Australia, New Zealand, and the United Kingdom. Interbreeding is undertaken to reduce the incidence of Primary Lens Luxation in the Miniature. The Bull Terrier does not carry the PLL gene so all progeny are phenotypically normal for the disease.

Each country which allows interbreding have their own protocols which govern which dogs can be mated. Australia has no protocols, while the United Kingdom and New Zealand requires strict adherence to health testing and identification of dogs used.
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