Longitudinal relationship between fecal culture, fecal quantitative PCR, and milk ELISA in Mycobacterium avium ssp. paratuberculosis-infected cows from low-prevalence dairy herds
Keywords: فرهنگ مدفوع; Mycobacterium avium ssp. paratuberculosis; Johne's disease; milk ELISA; fecal quantitative PCR; fecal culture;