Analysis of Mycoplasma hyopneumoniae infection by seroepidemiological investigation in Korean swine herds
Kim, H.K.;Kim, E.M.;Moon, H.J.;Kim, T.Y.;Park, B.K.(Seoul National University, Seoul, Republic of Korea)E-mail:parkx026@snu.ac.kr | Lim, J.S.;Lee, Y.H.(Merial Korea Ltd., Seoul, Republic of Korea)
Blood samples from 622 pigs of 44 farms which were sero-positive to Mycoplasma hyopneumoniae (M. hyo) by ELISA method were collected from May 2003 to July 2004. And they were divided into 2 categories : M. hyo-vaccinated group (7 swine farms) and M. hyo-non-vaccinated group (37 swine farms). Then, each swine farm was analysed by sero-positive percentage per weeks of age. It was observed that the sero-positive percentage to M. hyo is directly proportional to weeks of age in the 44 swine farms that were selected.
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