| Epidemiological survey for visna-maedi among sheep in northern prefectures of Japan. | Ovine sera collected from the northern Prefectures of Hokkaido, Iwate and Aomori in Japan, were examined for the presence of antibodies against visna-maedi virus using the agar gel immunodiffusion test and enzyme-linked immunosorbent assays. Three animals (1.12%), out of 267 samples tested, were found to be seropositive to the visna-maedi antigens in both tests. Levels of infection were found in flocks from Hokkaido and Iwate Prefectures, but not in the Aomori Prefecture. Nucleic acid detection ... | 2011 | 22194226 |
| seroepidemiological survey of sheep flocks from northern japan for mycoplasma ovipneumoniae and mycoplasma agalactiae. | sheep flocks from hokkaido, iwate and aomori, three northern prefectures of japan, were screened for antibodies to mycoplasma ovipneumoniae and mycoplasma agalactiae by elisa. sixty four animals out of 246 (26%) were seropositive to m. ovipneumoniae, with positive results obtained from all three prefectures. none of the sera tested were serologically positive to m. agalactiae. | 2011 | 21830171 |
| epidemiological survey of border disease virus among sheep from northern districts of japan. | the first epidemiological survey of border disease virus (bdv) was undertaken in small ruminants in japan. ovine sera, collected from the northern prefectures of hokkaido, aomori and iwate, were examined for the presence of antibodies against bdv using the neutralization peroxidase-linked antibody test. twenty-nine (17.6%) of one hundred and sixty-five samples were seropositive for bdv. results were specific, excluding cross-reactions with bovine viral diarrhea virus (bvdv). only one sample (0.6 ... | 2011 | 21778667 |