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Korean J. Vet. Serv. 2001; 24(1): 9-14
Published online April 1, 2001
© The Korean Socitety of Veterinary Service
소에서 Neospora caninum에 대한 항체가 조사
허인;김영진;김희;허진회;박일규;강승원;정우석;
충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;국립수의과학검역원;국립수의과학검역원;
Serological survey of antibody to Neospora caninum in cattle
Correspondence to : 충청남도축산위생연구소 공주지소(Gongju branch, Chungnam Livestock and Veterinary Research Institute)
This study was carried out to investigate the prevalence of Neospora caninum infection in dairy cow and Korean native cattle(KNC), raised in several Chungnam province. To determine the prevalence of antibodies to N caninum, a total of five hundred fifty six sera were analyzed by indirected fluorescent antibody(IFA) test. Five hundred thirty three sera were collected from fifteen dairy herds and twenty three sera were taken from fourteen KNC herds from December 1999 to November 2000. Seropositive ratio of the dairy cattle sera were individually or herdly tested and showed 64.2% and 93.3%, respectively. It was recorded with 78.6% and 47.8% in KNC. The seropositive ratio of dairy cattle was depended on the size of ranch. It was 92.2, 60.7 and 57.9% at the size of less than thirty, thirty to seventy and more than seventy one cattle, respectively However, it was different from the province of Chungnam. The seropositive ratio to N caninum of dairy cattle were 79.5, 53.1, 61.4 and 31.1% at Gongju, Yeongi, Geumsan and Cheongwon, respectively. It showed difference at the growth stage and sex of cattle. The seropositive ratios of N caninum of calf, heifer, premiparous, multiparous(2nd-5th), multiparous (6>th) and bulls confirmed to 25.0, 50.3, 70.3, 71.2, 50.0 and 50.0%, respectively. It was related with brucellosis in cattle. The infected ones with brucellosis were 75.7% of seropositive ratios to N caninum. The results of this study indicated that N caninum infection was widespread in Chungnam province and confirmed existing with brucellosis in cattle.
Keywords Serological survey,Neospora caninum,Cattle,
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Research Article
Korean J. Vet. Serv. 2001; 24(1): 9-14
Published online April 1, 2001
Copyright © The Korean Socitety of Veterinary Service.
소에서 Neospora caninum에 대한 항체가 조사
허인;김영진;김희;허진회;박일규;강승원;정우석;
충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;충청남도축산위생연구소 공주지소;국립수의과학검역원;국립수의과학검역원;
Serological survey of antibody to Neospora caninum in cattle
Heo, In;Kim, Young-Jin;Kim, Hui;Heo, Jin-Hoi;Park, Il-Gyu;Kang, Seung-Won;Jeong, Woo-Seog;
Gongju branch, Chungnam Livestock and Veterinary Research Institute;Gongju branch, Chungnam Livestock and Veterinary Research Institute;Gongju branch, Chungnam Livestock and Veterinary Research Institute;Gongju branch, Chungnam Livestock and Veterinary Research Institute;Gongju branch, Chungnam Livestock and Veterinary Research Institute;National Veterinary Research & Quarantine Service;National Veterinary Research & Quarantine Service;
Correspondence to:충청남도축산위생연구소 공주지소(Gongju branch, Chungnam Livestock and Veterinary Research Institute)
Abstract
This study was carried out to investigate the prevalence of Neospora caninum infection in dairy cow and Korean native cattle(KNC), raised in several Chungnam province. To determine the prevalence of antibodies to N caninum, a total of five hundred fifty six sera were analyzed by indirected fluorescent antibody(IFA) test. Five hundred thirty three sera were collected from fifteen dairy herds and twenty three sera were taken from fourteen KNC herds from December 1999 to November 2000. Seropositive ratio of the dairy cattle sera were individually or herdly tested and showed 64.2% and 93.3%, respectively. It was recorded with 78.6% and 47.8% in KNC. The seropositive ratio of dairy cattle was depended on the size of ranch. It was 92.2, 60.7 and 57.9% at the size of less than thirty, thirty to seventy and more than seventy one cattle, respectively However, it was different from the province of Chungnam. The seropositive ratio to N caninum of dairy cattle were 79.5, 53.1, 61.4 and 31.1% at Gongju, Yeongi, Geumsan and Cheongwon, respectively. It showed difference at the growth stage and sex of cattle. The seropositive ratios of N caninum of calf, heifer, premiparous, multiparous(2nd-5th), multiparous (6>th) and bulls confirmed to 25.0, 50.3, 70.3, 71.2, 50.0 and 50.0%, respectively. It was related with brucellosis in cattle. The infected ones with brucellosis were 75.7% of seropositive ratios to N caninum. The results of this study indicated that N caninum infection was widespread in Chungnam province and confirmed existing with brucellosis in cattle.
Keywords: Serological survey,Neospora caninum,Cattle,
