Genetic Disorders American Pit Bull Terrier


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Genetic Disorders American Pit Bull Terrier

  1. 1. Genetic Disorders American Pit Bull
  2. 2. Introduction  When choosing any breed of dog you must be     aware of potential health concerns All dogs mixes and pure bred can have health concerns The more popular breeds and their mixes will have more genetic problems listed and more likely to have puppies with problems . Make sure your breeder offers a written health guarantee good for one year. Have the puppy heath checked at your Veterinarian
  3. 3. Musculoskeletal Disorders  Hip dysplasia The hip joint is a "ball and socket" joint: the "ball" (the top part of the thigh bone or femur) fits into a "socket" formed by the pelvis. If there is a loose fit between these bones, and the ligaments which help to hold them together are loose, the ball may slide part way out of the socket (subluxate). With time, as this occurs repeatedly, other degenerative changes in the joint occur (also called osteoarthritis) and your dog will become painful, lame and weak in the hind end. This disease is progressive; that is, it gets worse with time  Patellar luxation: Slipping kneecap. Should be noticeable when puppy is vet check prior to sale
  4. 4. Skin Disorders  zinc-responsive dermatosis This disorder causes scaling and crusting of the skin. It is not due to a dietary deficiency of zinc; instead affected dogs appear to have a higher than normal requirement for zinc, perhaps due to abnormal intestinal absorption. As the name implies, the skin condition improves with zinc supplementation Signs are usually first seen around puberty. There is reddening, scaling, crusting, and hair loss on the muzzle and around the eyes. The footpads as well as the area around the vulva and anus may be affected. The lesions are itchy in about half of dogs with this disorder, causing chewing of the feet or rubbing or pawing at the face.  ichthyosis This is a rare condition in which there is marked thickening of the outer layer of the skin and of the footpads. Affected dogs have rough skin covered with thick greasy flakes or scales that stick to the skin and hair.  Affected dogs have abnormal skin at birth and the condition worsens with age. The skin is rough and covered with thick greasy scales, some of which tightly adhere to the skin and hair, and some of which are shed in flakes. The dog's general health does not appear to be affected, but the skin changes are chronic and severe.
  5. 5. Skin Disorders  Demodicosis/ Demodectic mange is a mite that is present in small numbers in the skin of most healthy dogs. Nursing puppies acquire the mite from their mothers during the first few days of life, and in most dogs there will never be any associated problems. In some dogs however, the normal balance is disrupted due to an immune defect. The mites multiply by the thousands in the hair follicles causing inflammation, in a condition called demodicosis. Demodicosis may be localized - that is, confined to 1 or more small discrete scaly reddened areas of hair loss, most commonly on the face or front legs. This is usually seen in pups of 3 to 6 months of age, and most cases resolve spontaneously. Alternately, generalized demodicosis may develop, at anywhere from 3 to 12 months of age. This is a severe skin condition. The defect in the cell-mediated immune system which allows the development of generalized demodicosis is believed to be inherited  It is not infectious, to other pets or to people
  6. 6. Endocrine Disorders  Hypothyroidism The changes due to gradually decreasing levels of circulating thyroid hormone are slow and insidious. Early signs (which are usually not recognized as being related to hypothyroidism) include lower energy levels and increased susceptibility to infections. As the disease progresses, you will likely notice changes in your dog's hair coat - symmetrical hair loss with or without darkening of the skin, and dry or greasy hair. Other signs of hypothyroidism include a slow heart rate, lethargy, mental dullness, intolerance to cold, infertility in males and females, constipation, and weight gain. Less commonly, a dog with hypothyroidism may experience heart disease, a bleeding disorder, profound muscular weakness associated with abnormalities in the muscles or nerves, or another endocrine disorder such as diabetes mellitus.  Congenital hypothyroidism Puppies with congenital hypothyroidism will have stunted growth as well as many other abnormalities. Severely affected puppies most likely die before weaning
  7. 7. Immune System Disorders  Atopy The condition is usually first seen between 1 and 3 years of age, although it may develop as late as 6 or 7. Initially atopy may be seasonal (eg. from spring to fall) but most affected dogs eventually have signs all year round.  Dogs with atopy are very itchy. The areas most affected are the face, paws, lower legs, groin, and, less often, the ears and eyes. In addition to scratching themselves with their hind feet, they often lick or chew the affected areas, or rub along the carpet to scratch the face or ears. The intense itching can make them irritable and less tolerant of being handled. Initially, there are no apparent skin abnormalities, except possibly slight reddening, even though the dog is clearly itchy. (This is important because in other conditions there is often a rash or some visible lesion.) Over time, lesions develop as a result of the scratching and self-trauma, bacterial or yeast infections, and seborrhea, all of which can contribute to the objectionable odor of these dogs. The skin becomes reddened and eventually darkened (hyperpigmentation), abraded, thickened, and wrinkled, with loss of hair and bronze staining from saliva.
  8. 8. Gastrointestinal Disorders  Cleft lip/palate This is an opening in the lip or the roof of the mouth that occurs due to failure of normal fusion processes during embryonic development. Cleft palate and cleft lip may result from either hereditary or environmental causes (such as the use of certain drugs during pregnancy).  Affected pups are born with the condition. A minor defect will cause little or no problem, while a more severe defect will cause signs such as a chronic nasal discharge (that may include food), poor growth, aspiration pneumonia (from inhalation of food), or even death.
  9. 9. In Conclusion  American Pit Bull8Terriers have 8 health concerns Disorders relatively common in this breed are : None.  Note above disorder(s) is very common in this breed. Do not take lightly the other disorders. Some are very serious .  Information for this presentation as a public service provided by: with information provided by :  A joint initiative of the Sir James Dunn Animal Welfare Centre at the Atlantic Veterinary College, University of Prince Edward Island, and the Canadian Veterinary Medical Association.. Permission is granted to reprint pages from the database, provided that credit is given as follows: Crook A et al. 2011. Canine Inherited Disorders Database Photo Wikipedia
  10. 10. About the Presenter  Member of the Canine Ambassador Program with Orange Empire         Dog Club. Educating people in the joy canines bring into our lives through their relationship, interaction, and unconditional love. Pet Professional specializing in the training of puppies in Sun Valley since 1974 . Breeder of Silky Terriers and Wire Fox Terriers My boarding, training and breeding kennel was awarded Small Business of the Year 2000 Better Business Bureau A+ rating I have owned and/or bred 21 Conformation Champions including 6 International Champions Member and former Vice President of the City of Angels Silky Terrier Club Past President of Sun Valley Chamber of Commerce Have also served on the boards of Associated Terrier Breeders, Animal Safe Haven Foundation, United Chambers of Commerce