High herd-level prevalence of Mycobacterium avium subspecies paratuberculosis in Western Canadian dairy farms, based on environmental sampling
| Autor: | Wolf, R., Barkema, H.W., De Buck, J., Slomp, M., Flaig, J., Haupstein, D., Pickel, C., Orsel, K. |
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| Zdroj: | In Journal of Dairy Science October 2014 97(10):6250-6259 |
| Databáze: | ScienceDirect |
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