Isolation and Identification of Mycobacterium avium Subsp. paratuberculosis from Milk, Manure and Fecal Samples of Holstein-Friesian Dairy Cattle

摘要

The main aim of this study was detection of subclinical forms of Johne’s disease on dairy farms which were suspected of having Johne’s disease or history of it and confirmatory paraclinical of paratuberculosis in them. Also, the isolated bacteria will be