tailieunhanh - Black's veterinary dictionary 21st edition - J

Từ điển thú y vần J | J Jaagsiekte A disease of adult sheep first recognised in South Africa. See PULMONARY ADENOMATOSIS. Jack A male donkey. Jack Beans Jack Beans may cause poisoning if fed raw. See LEGUME POISONING. Jack Russell Terrier A small lively dog having a white coat with brown or black patches. Originally a crossbreed it now breeds true. Prone to patellar luxation it may inherit ataxia lens luxation and Perthes disease. Jacobson s Organ Also known as the vomeronasal organ this is associated with the detection of flavours such as those of food but is thought also to be able to detect pheromones. The organ has 2 small tubes which extend from the floor of the nasal cavity to the level of the 2nd 4th cheek tooth. It is active in most mammals but even more highly developed in certain reptiles especially snakes. Janet A female mule. Japanese B Encephalitis This disease is present in Nepal and other regions of Asia. Cause A flavivirus. The disease is transmitted by mosquitoes from avian species which act as reservoirs of infection but are themselves asymptomatic. Signs In horses the sight is affected first. Later they become drowsy. Many die and the recovery of others is seldom complete. Pigs are also susceptible abortion and stillbirths result from infection. The disease is a zoonosis and for its prevention in people a vaccine has been used. Japanese Bobtail A breed of cat of foreign conformation with a rudimentary tail. The hind-legs are longer than the fore-legs but are kept angled so that the back is level. There are similarities with the Manx but there does not appear to be the same frequency of defects as occurs in that breed. Japanese Tosa A breed of dog raised in Japan for fighting. Importation into the UK is banned under the Dangerous Dogs Act. Jaundice Jaundice is a yellowish discoloration of the visible mucous membranes of the body eye nose mouth and genital organs . The discoloration is caused by bilirubin an orange-yellow pigment produced following the breakdown of .