Publications
Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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serological cross-sectional study of paratuberculosis in cattle in austria. | from 1995 to 1997, the prevalence of serum antibodies against mycobacterium avium subspecies paratuberculosis (m. av. ssp. ptbc.)--the causal agent of paratuberculosis (johne's disease)--was examined in 11,028 austrian cattle. samples from the four oldest cattle on 2757 farms were collected according to a specific sampling schedule for this epidemiological study. district, age and breed of animals were included as variables in this study. for antibody screening against m. avium subspecies paratu ... | 1999 | 10528542 |