Impact of age at first calving on reproduction, lactation, postpartum disorders and longevity in Holsteins under Egyptian circumstances
A retrospective study including reproductive and productive data of 1587 primiparous Holstein cows covering a period of eight years. The reproductive data ( interval to 1st service, service period, days open, number of inseminations per conception and calving interval ) and the productive data ( tot...
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| Principais autores: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Faculty of Veterinary Medicine, Beni-Suef University
2009-03-01
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| coleção: | Journal of Veterinary Medical Research |
| Assuntos: | |
| Acesso em linha: | https://jvmr.journals.ekb.eg/article_77817_262b29c695c5bf337d55fe52d35a7f5e.pdf |
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