General Information and History
– Jack Russell Terrier is a British breed of small terrier.
– It was originally bred for fox hunting in North Devon in the early nineteenth century.
– It is distinct and different from the Parson Russell Terrier.
– The breed has undergone changes in its recognition by kennel clubs.
– The breed has appeared in film, television, and print media.
– The Parson Jack Russell Terrier was created based on the SEJRTC standard.
– The Parson Jack Russell Terrier was recognized by the Kennel Club in 1990.
– The official name was changed to Parson Russell Terrier in 1999.
– The American Kennel Club explored recognizing the Jack Russell Terrier in the late 1990s.
– The Jack Russell Terrier Club of America opposed AKC recognition.
Size, Coat, and Registration
– The weight of a Jack Russell Terrier ranges from 5-6kg (11-13lb).
– The coat can be smooth, rough, or broken.
– The color is predominantly white, with patches of tan or black.
– The breed is recognized by The Kennel Club and Fédération Cynologique Internationale (FCI).
– Size requirements for the breed differ in the United States.
– The AKC recognized the Jack Russell Terrier in 2001.
– The Jack Russell Terrier Breeders Association was renamed to Parson Russell Terrier Association of America.
– ANKC and NZCK register both Jack Russell Terrier and Parson Russell Terrier.
Description and Differences from Related Breeds
– Jack Russell Terriers come in various coat types and markings.
– They are sturdy, tough, and tenacious.
– They measure between 25-38cm (10-15in) at the withers and weigh 6-8kg (14-18lb).
– They have black, brown, or tan markings on a predominantly white coat.
– They exhibit smooth, rough, or broken coat variations.
– The Parson Russell Terrier shares common ancestry with the Jack Russell Terrier.
– The Parson Russell Terrier has a larger body size and chest.
– The Parson Russell Terrier has a conformation show standard, while the Jack Russell Terrier has a working standard.
– The Russell Terrier is a smaller related breed.
Temperament and Health
– Jack Russell Terriers have a high energy level.
– They were originally bred as working terriers for fox hunting and hunting ground-dwelling quarry.
– They are intelligent, athletic, fearless, and vocal.
– They require proper stimulation, exercise, and socialization to avoid destructive behavior.
– They can be prone to health issues such as patellar luxation and deafness.
– Regular veterinary check-ups, proper diet, and exercise are important for their overall health and well-being.
– They have a reputation for being healthy with a long lifespan.
– Certain lines of Jack Russells may have specific health concerns due to recessive genes.
– Health issues in Jack Russells can include hereditary cataracts, ectopia lentis, congenital deafness, patellar luxation, ataxia, myasthenia gravis, Legg–Calvé–Perthes syndrome, and von Willebrand disease.
– Skunk toxic shock syndrome is a concern for Jack Russells due to their hunting instincts.
– Eye disorders such as lens luxation and musculoskeletal conditions like patellar luxation and Legg–Calvé–Perthes syndrome are common in Jack Russells.
Notable Jack Russell Terriers
– Nipper, the Jack Russell Terrier, was the inspiration for the painting ‘His Masters Voice’ and is featured in various music-related company logos.
– Bothie, a Jack Russell Terrier, became the first dog to travel to both the North and South Poles as part of the Transglobe Expedition.
– George, a Jack Russell Terrier, saved five children from an attack by pit bulls and was posthumously awarded the PDSA Gold Medal.
– Dilyn, a Jack Russell cross, gained fame during the UK general election when Boris Johnson and Carrie Symonds adopted him.
– Patron, a Jack Russell Terrier, has been working with the State Emergency Service of Ukraine to sniff out Russian explosives during the 2022 Russian invasion of Ukraine.
– Jack Russell Terriers have been featured in various books, movies, and television shows.https://en.wikipedia.org/wiki/Jack_Russell_Terrier