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Border Jack Hybrid Description

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Hybrid Description

The Border Jack is not a purebred dog. It is a cross between the Border Collie and the Jack Russell Terrier. The best way to determine the temperment of a mixed breed is to look up all breeds in the cross. It is possible you can get any combination of any of the characteristics found in either breed. Not all of these designer hybrid dogs being bred are 50% purebred to 50% purebred. It is very common for breeders to breed multi-generational crosses. Please review individual breeds for potential health issues.

Border Collie Breed Description - Cross #1

The Border Collie is a breed of herding dog that originated in the border country of England and Scotland. They are widely regarded as the most intelligent dog breed. Border Collies are highly energetic, and as a result have a tendency towards neurotic or destructive behavior if not given enough to do. They are still frequently used on farms all over the world for assisting with the handling of livestock, and they have also become popular as pet and sport dogs. Though known to be reserved with strangers, these dogs can also be protective of a human family member and affectionate to those they know.

In general, Border Collies are medium-sized dogs without extreme physical characteristics and a moderate amount of coat. Their double coats can be anywhere from slick to lush, and can come in many colors, although black and white is by far the most common, and therefore the most common in public perception. Black tricolor (black/tan/white), red and white, red tricolor (red/tan/white) also occur regularly, with other colors such as blue and white, red merle, blue merle, "Australian red," sable and brindle seen less frequently.

Eye color varies from deep brown to amber or blue with occasionally one eye of each color, usually seen with merles. The ears of the Border Collie are also highly variable, some have fully erect ears, some fully dropped and others are semi-erect (similar to that of the Rough Collie). Although working Border Collie handlers sometimes have superstitions about the appearance of their dogs (handlers do not prefer red dogs, or mostly white dogs), in general a dog's appearance is considered to be irrelevant. It is considered much more useful to identify a working Border Collie by its attitude and ability than by its looks.

Those dogs bred for the conformation ring are more homogeneous in appearance than working Border Collies, since to be successful show dogs they must conform to breed club standards that are specific on many points of the structure, coat and color. Kennel clubs specify, for example, that the Border Collie must have a "keen and intelligent" expression, and that the preferred eye color is dark brown. In deference to the dog's working origin, scars and broken teeth received in the line of duty are not to be counted against a Border Collie in the show ring.

Behavior

The Border Collie is an extremely intelligent, biddable breed with an instinctive desire to work closely and intensely with a human handler. Although the primary role of the Border Collie is that of the working stock dog, dogs of this breed are becoming increasingly popular as pets. True to their working heritage, Border Collies make very demanding, energetic pets that are better off in households that can provide them with plenty of exercise and a job to do. Among some breeders in the United Kingdom there is a common saying: "no sheep, no collie", referring to the dog's usual unsuitability to people who just want a "smart dog." However, in an appropriate home, with a dedicated, active owner, a Border Collie can be an excellent companion. Participating in dog sports is popular with Border Collie owners.

Border Collies are unsuitable pets for people who cannot or will not provide a considerable amount of daily exercise for their dogs, both physical and mental. They are also a poor choice for households that are not prepared for the characteristic behaviors that are part of their working heritage. For example, as with many working breeds, Border Collies can be motion-sensitive and may attempt to control the movements of family members, cats, squirrels, bicycles, cars, or anything else that moves if not given enough mental and physical stimulation. These dogs are also not suitable for households with small children, because they frequently try to "herd" the children or react rather quickly to unexpected movements. Many Border Collies who end up in shelters or rescue groups are there because owners, who may have been attracted by their appearance and intelligence, were not prepared to meet their dog's needs.

Health

Hip dysplasia, Collie eye anomaly (CEA), and epilepsy are considered the primary genetic diseases of concern in the breed at this time. Collie eye anomaly (CEA) is a congenital, inherited eye disease affecting Border Collies and other breeds involving the retina, choroid, and sclera. In Border Collies, it is generally a mild disease and rarely significantly impairs vision. There is now a DNA test available for CEA and, through its use, breeders can ensure that they will not produce affected pups. There are no genetic tests available for hip dysplasia or epilepsy, although careful breeding practices are known to lower the incidence of both.

Elbow dysplasia or Osteochondritis, deafness, and hypothyroidism may also occur in the breed. Dogs homozygous for the merle gene are likely to have eye and/or hearing problems. Responsible breeders do not mate merles to one another.

Neuronal ceroid lipofuscinosis (NCL) is a rare but serious disease. NCL results in severe neurological impairment and early death; afflicted dogs rarely survive beyond two years of age. The mutation causing the form of the disease found in Border Collies was identified by Scott Melville in the laboratory of Dr. Alan Wilton of the School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia. There is no treatment or cure, but a DNA test is now available to detect carriers as well as affected dogs.

Trapped Neutrophil Syndrome (TNS) is a hereditary disease which inhibits the release of neutrophils produced in the bone marrow into the blood stream. Puppies affected with this disease will eventually succumb to infection. Because this is an autoimmune-deficiency disease the puppies present a variety of symptoms depending upon what infections they fall susceptible to, and so it has gone undiagnosed in the past. Once thought to be rare, it is now believed to be responsible for many cases of "fading puppies". There is no cure, but a DNA test is now available to detect carriers as well as affected dogs. Please visit the American Border Collie Association for more information.



Jack Russell Terrier Breed Description - Cross #2

The JRTCA was founded in 1976 by Mrs. Ailsa Crawford, one of the first Jack Russell Terrier breeders in the United States. Ms. Crawford and the early founders of the Jack Russell Terrier Club put a lot of thought into structuring the JRTCA so that work remained front and center.

Towards that end, the club decided that its highest award — the “Bronze Medallion” — would not go to show dogs, but to working dogs that had demonstrated their ability in the field by working at least three of six types of American quarry — red fox, Gray fox, raccoon, groundhog, opossum, or badger in front of a JRTCA-certified field judge. In the show ring the Jack Russell Terrier Club of America decided to ban professional handlers as it was thought this would make the shows less serious (and more fun) while keeping the focus on the essential element of work.

Instead of mandating the kind of narrow conformation ranges demanded by the American Kennel Club for their terrier breeds, the JRTCA decided to divide the diverse world of the Jack Russell Terrier into three coat types (smooth, broken and rough), and two sizes (10 inches tall to 12.5 inches tall, and 12.5 inches tall to 15 inches tall).“Different horses for different courses” became the watchword, with overt recognition that different quarry, different earths, and different climates required different dogs.

Unlike the Kennel Club, the Jack Russell Terrier Club of America also decided to maintain an “open” registry so that new blood might be infused at times. At the same time, the JRTCA discouraged inbreeding and eventually restricted line breeding to a set percentage. To balance off an open-registry with the desire to keep Jack Russell-type dogs looking like Jack Russells, the JRTCA decided not to allow dogs to be registered at birth or to register entire litters. Instead, each adult dog would be photographed from both sides and the front, with each dog admitted to the registry on its own merit. In addition, each dog had to be measured for height and chest span. This last element turned out to be quite important, as it meant that the height and chest measurements of adult dogs were recorded as they were registered. Over time, both height and chest size of adult dogs could be tracked through pedigrees — an essential element of breeding correctly sized working terriers. The JRTCA was not shy about their rationale for these rules: they openly and emphatically opposed Kennel Club registration, maintaining that time had shown that dogs brought into the Kennel Club quickly grew too big and often lost other essential working attributes such as nose, voice, and prey drive.

The Jack Russell Terrier is bred to conform to a conformation show standard. Unlike its close relative, the Parson Russell Terrier, Jack Russell Terriers have noticeably longer legs that are about as tall as the length of the Terrier's body. It is a predominantly white breed with black, tan or tricolor markings and an easy to groom coat which is either smooth or broken (similar to a smooth coat, but with some longer hair on the head, face, legs or body). The breed standard does not recognise a Parson Russell with a curly or rough coat. There is a clear outline with only a hint of eyebrows and beard should the dog be broken coated. They possess moderately thick small "V" shaped drop ears with the tip pointed towards the eyes. The nose of the dog should be black. The normal range of sizes is between 13–14 inches (33–36 cm) tall at the withers, with a weight around 13–17 pounds (5.9–7.7 kg).

The Parson Russell has a relatively square outline, with a body about as long as the dog is tall. Compared to the Jack Russell Terrier the Parson Russell has a longer head and a larger chest along with overall a slightly larger body size. The Parson retains the flat skull but not the elongated shape of the Fox Terrier, and with lower set ears. In addition, the Jack Russell Terrier has a greater variation in size, ranging between 10–15 inches (25–38 cm) in height at the withers. Two hands should be able to span the chest of the dog behind its elbows, with the thumbs at the withers. This is required in show judging, with the judge lifting the dog's front legs gently off the ground in this motion in order to measure the size of the chest. The judges fingers should meet under the chest and the thumbs on top of the spine. The American Kennel Club describes this as a "significant factor and a critical part of the judging process." It is not done to measure the size of the chest, but rather to feel for the correct shape.

Under the show standard, there are several physical points which would be treated as faults in the show ring. These are for the height of the dog at the withers to be outside of the standard range, or for the dog to possess either pricked up ears, a liver or brown colored nose, an overshot or undershot jawline or to have brindle markings.

The AKC used to recognize the Jack Russell Terrier however as of April 1, 2003 they changed the name to Parson Russell Terrier. The breed split into two breeds and now the Jack Russell Terrier and Parson Russell Terrier are considered two different breeds. The Parson's name change is in great part to a lawsuit from the JRTCA to the AKC, when the breed was first allowed registration.

Behavior

The Terrier is a cheerful, merry, devoted and loving dog. It is spirited and obedient, yet absolutely fearless. Careful and amusing, he enjoys games and playing with toys. Stable dogs are friendly and generally kind to children. Children should be taught not to tease or hit the dog. They are intelligent, independent, somewhat stubborn, and they have a strong personality. He makes a devoted, affectionate pet and is easy to train.

He can adjust to life as a house dog provided he gets a lot of much needed exercise. The coat requires little care.

Health

The breed is sporadically prone to dislocation of the kneecaps, inherited eye diseases, deafness and Legg Perthes, a disease of the hip joints of small dog breeds. It is also prone to mast cell tumors.


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