| detection of bovine torovirus in fecal specimens of calves with diarrhea in japan. | the aim of this study was to determine the prevalence of bovine torovirus (botv) in bovine fecal samples and to determine whether a relationship exists between botv and diarrhea in japan. ninety-nine diarrheic and 114 normal fecal samples from calves in hokkaido prefecture and 38 diarrheic fecal samples from calves in 10 other prefectures were examined by reverse transcription (rt)-pcr with primers designed in the spike (s) gene for the presence of botv. the specimens were also examined for the ... | 2007 | 17551218 |