| occurrence of zoonotic clostridia and yersinia in healthy cattle. | zoonotic pathogens are a frequent cause of disease worldwide. this study was designed to determine the occurrence of clostridium difficile, clostridium botulinum, and yersinia enterocolitica in cattle in southern bavaria, germany. the study population included 49 farms; 34 were dairy farms (30 also fattening beef cattle) and 15 were solely beef cattle farms. fecal and dust samples were collected from summer 2011 to summer 2012 and analyzed using a combination of enrichment procedures and real-ti ... | 2013 | 24112568 |