Korean Journal of Veterinary Research 1998;38(4):751-755.
Prevalence of pneumonia in slaughtered pigs according to rearing and health managements of pig farms
Seok-kyu Lee1, Jeong-hee Han1, Jun-young Kim2, Hyun-ju Kim2
1Department of Veterinary Medicine, Kangwon National University
2Dodram Pig Farmers' Cooperative
양돈장의 사양 및 위생관리에 따른 출하돈에서의 폐렴발생
이석규1, 한정희1, 김준영2, 김현주2
1강원대학교 수의학과
2도드람 양돈축산업 협동조합
Abstract
Among 2,373 slaughtered pigs examined for one year(March 1995 to February 1996), 1,899 pigs had visible pulmonary lesions. Prevalence rate of pulmonary lesion was examined by pathological techniques according to rearing and health managements of pig farms. The results were as follows : 1. Prevalence rate of pulmonary lesion in all-in/all-out flow farms(71.9%) was lower than that in continous flow farms(85.2%). 2. Prevalence rate of pulmonary lesion in non-infected farms with Aujeszky's disease virus and/or porcine reproductive and respiratory syndrome virus(74.4%) was lower than that in infected farms(85.5%). 3. During winter, prevalence rate of pulmonary lesion in farms with cold-control facilities(83.2%) was lower than that in farms with poor cold-control facilities.
Key Words: prevalence rate, pulmonary lesion, health managements


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