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Korean J. Vet. Serv. 2008; 31(2): 219-227
Published online June 30, 2008
© The Korean Socitety of Veterinary Service
도축장 출하 돼지에서의 milk-spots 출현율 및 돈회충 감염에 관한 역학적 조사
양하영;이정구;윤가리;라도경;박은정;이승환;김철완;김기호;이성모;황현순;김용희;
인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;가축위생방역지원본부;가축위생방역지원본부;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;
Epidemiological examination for milk-spots and ascariasis in slaughtered pigs
Correspondence to : 인천광역시보건환경연구원(Incheon Metropolitan City Institute of Health & Environment)
Swine ascariasis is one of the major parasitic diseases to cause economic losses. This study was carried out to investigate the prevalence of Ascaris suum from slaughtered pigs and return the result to the farm (Feed - back). A total of 8,121 pigs (315 farms) were examined from January to November in 2007. The prevalence of farms detected with milk-spots was 42.9% (135 / 315 farms), and that of pigs with milk-spots was 7% (565 / 8,121 heads). Among 565 pigs with milk-spots, the pigs with grade 1 and grade 2 were 380 and 185, respectively. The percentage of pigs and farms detected with adult worm were 0.6% (45/8,121) and 7.3% (23/315) respectively. There was no statistical difference in affection rateamong seasons. The rate was 5.0% in spring, 8.8% in summer, 8.2% in autumn and 6.3% in winter. There was no enough difference in pig infection rate based on piggery type. The prevalence of milk-spots in stolic type and in sawdust one were 15% and 18.5%, respectively.
Keywords Prevalence,Ascaris suum,Slaughtered pigs,Milk-spots,Piggery type,
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Research Article
Korean J. Vet. Serv. 2008; 31(2): 219-227
Published online June 30, 2008
Copyright © The Korean Socitety of Veterinary Service.
도축장 출하 돼지에서의 milk-spots 출현율 및 돈회충 감염에 관한 역학적 조사
양하영;이정구;윤가리;라도경;박은정;이승환;김철완;김기호;이성모;황현순;김용희;
인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;가축위생방역지원본부;가축위생방역지원본부;인천광역시보건환경연구원;인천광역시보건환경연구원;인천광역시보건환경연구원;
Epidemiological examination for milk-spots and ascariasis in slaughtered pigs
Yang, Ha-Young;Lee, Jung-Goo;Yun, Ga-Ri;Ra, Do-Kyung;Park, Eun-Jeong;Lee, Seung-Hwan;Kim, Cheol-Wan;Kim, Ki-Ho;Lee, Sung-Mo;Hwang, Hyun-Soon;Kim, Yong-Hee;
Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Livestock Health Control Association;Livestock Health Control Association;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;Incheon Metropolitan City Institute of Health & Environment;
Correspondence to:인천광역시보건환경연구원(Incheon Metropolitan City Institute of Health & Environment)
Abstract
Swine ascariasis is one of the major parasitic diseases to cause economic losses. This study was carried out to investigate the prevalence of Ascaris suum from slaughtered pigs and return the result to the farm (Feed - back). A total of 8,121 pigs (315 farms) were examined from January to November in 2007. The prevalence of farms detected with milk-spots was 42.9% (135 / 315 farms), and that of pigs with milk-spots was 7% (565 / 8,121 heads). Among 565 pigs with milk-spots, the pigs with grade 1 and grade 2 were 380 and 185, respectively. The percentage of pigs and farms detected with adult worm were 0.6% (45/8,121) and 7.3% (23/315) respectively. There was no statistical difference in affection rateamong seasons. The rate was 5.0% in spring, 8.8% in summer, 8.2% in autumn and 6.3% in winter. There was no enough difference in pig infection rate based on piggery type. The prevalence of milk-spots in stolic type and in sawdust one were 15% and 18.5%, respectively.
Keywords: Prevalence,Ascaris suum,Slaughtered pigs,Milk-spots,Piggery type,
