Prevalence of Sarcocystis infections in the slaughtered cattle in Cheju

Yang, Jae-hyun; Kang, Young-bai; Wee, Sung-hwan; Lee, Seung-taek; Kim, Kong-sik

Korean Journal of Veterinary Research 1990;30(4):507-510.

Jae-hyun Yang¹, Young-bai Kang¹, Sung-hwan Wee¹, Seung-taek Lee², Kong-sik Kim²

¹Veterinary Research Institute, Rural Development Administration
²Cheju Provincial Veterinary Office

제주지역(濟州地域) 도축우(屠畜牛)의 주육포자충(住肉胞子蟲) 감염실태조사(感染實態調査)

양재현¹, 강영배¹, 위성환¹, 이승택², 김공식²

¹농촌진흥청 가축위생연구소
²제주도 가축위생시험소

Abstract

A preliminary survey of Sarcocystis species in the slaughtered cattle in Cheju was undertaken during May through October 1989, using digested diagnostic technique for the heart, the esophagus and the dorsal muscles of the neck specimens digested in 0.5% trypsin solution. The results obtained were summarized as follows. 1. The overall infection rate of Sarcocystis in a total of 218 slaughtered cattle was as high as 36.7% with the highest frequencies in the esophagus muscles(21. 6%), followed by in the dorsal muscles of the neck(19.1%) and in the heart rnuscles(17.9%). 2. Age difference was noticed as 64.3% in the cattle older than five years in comparison with 41.7%, 34.4%, in the group of two to four years and in the group of younger than two years respectively. 3. It was also noticed that the prevalence in the Brahman cross breed was higher(40.0%) than in any other breeds. 4. Regional distribution of Sarcocystis infections was observed as 75.0% in south-east area, 50.0% 44.7%, 35.0%, 32.0% and 20.6% in the areas of Seogwipo city, north-west, south-west, Cheju city and northeast area respectively. 5. According to the type of rearing the infection rate in the ranch type farm was noticed with and in the stock farms(36.2%).

Key Words: Sarcocystis, Cheju, trypsin, slaughtered cattle