Comparative performance of F1 Friesian x zebu heifers in Ethiopia
Presents comparative data on productive and reproductive traits of Friesian x zebu and pure zebu heifers of 14 dairy cooperatives in central Ethiopia. Discussions and data on milk yield, lactation length, milking disposition and milk let-down; age at puberty and at first calving; services per concep...
| Autor principal: | |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Cambridge University Press
1983
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| Acceso en línea: | https://hdl.handle.net/10568/66713 |
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