Učitavanje...
Transmission and Control of Leptospiral Infection in a Beef Cattle Herd in Southern Alberta
Leptospiral antibodies were detected in unvaccinated cattle on a 17 000 hectare ranch in the arid southeast region of Alberta. Antibody to serovar hardjo was present before the breeding season in 7% of 42 yearling bulls, 86% of 29 two year old bulls and 5% of 519 cows. Pomona antibody was confined t...
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| Glavni autor: | |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
1986
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1680417/ https://ncbi.nlm.nih.gov/pubmed/17422729 |
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