Short communication: Herd-level prevalence of Mycobacterium avium ssp. paratuberculosis is not associated with participation in a voluntary Alberta Johne’s disease control program
| Autor: | Ritter, C., Wolf, R., Adams, C.L., Kelton, D.F., Pickel, C., Mason, S., Orsel, K., De Buck, J., Barkema, H.W. |
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| Zdroj: | In Journal of Dairy Science March 2016 99(3):2157-2160 |
| Databáze: | ScienceDirect |
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