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Identification of selected disease agents from calves on Costa Rican tropical cloud-forest dairy farms
Rotavirus, K99+ E. coli and coccidia were identified from feces of 10%, 13% and 37% of 300 selected dairy calves ⩽3 months of age, and from 26%, 36% and 45% of 42 Costa Rican dairy farms, respectively. Calf breeds were Holstein 68%, Jersey 27% and other breeds 5%. Median calf ages at identification...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Published by Elsevier B.V.
1990
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7134030/ http://dx.doi.org/10.1016/0167-5877(90)90068-S |