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KMID : 1023520130360020105
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Korean Journal of Veterinary Service
2013 Volume.36 No. 2 p.105 ~ p.110
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Prevalence for persistently infected cattle with bovine viral diarrhea virus in Korea
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Cho Jong-Suk
Kim Gyung-Dong
Park Hong-Je
Hong Sung-Hee
Seo Chang-Won
Ryu Hee-Jeong
Sin Ryeong-Ja
Lim Yeoun-Su
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Abstract
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Bovine viral diarrhea virus (BVDV) is very important disease in domestic and wild ruminants and has a world wide distribution. Cattle persistently infected with BVDV (BVDV-PI) are the primary reservoir for BVDV infection in Korean native cattle herds. The prevalence of cattle persistently infected with BVDV (BVD-PI) was determined using 4,260 heads from 29 Korean native cattle farms at 8 districts from 2011 to 2012. The sera and ear nothches were collected for each sample. We surveyed BVD-PI cattle using antibody ELISA and antigen capture ELISA for detection of antibody and antigen respectively. Three thousand seventy-six cattle (72.2%) were positive for BVDV antibody and a total of 27 BVD-PI cattle were found in 12 farms. 11 cattle (40.7%) out of the total 27 BVDV-PI cattle were six months old or under. The positive rate of BVDV antibody (83.2%) from 12 farms with BVD-PI cattle was higher than the positive rate of BVDV antibody (63.6%) from 17 farms without BVD-PI cattle.
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KEYWORD
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BVDV, Persistently infected cattle, PI cattle, ELISA
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