Dairy farms testing positive for Mycobacterium avium ssp. paratuberculosis have poorer hygiene practices and are less cautious when purchasing cattle than test-negative herds
| Autor: | Wolf, R., Barkema, H.W., De Buck, J., Orsel, K. |
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| Zdroj: | In Journal of Dairy Science June 2016 99(6):4526-4536 |
| Databáze: | ScienceDirect |
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