The effect of age at first calving on the milking performance of primiparous Jersey cows
<b>The aim of this study was to determine the effect of age at first calving on the milking performance of primiparous Jersey cows (261 cows). Analyses were conducted on 2461 test day milking samples from 17.09.2007 to 26.07.2016. The primiparous cows were divided into four groups according to...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN PL |
| Publicado: |
Polish Society of Animal Production
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/c6b488c855a84ba29505ed7e703f8504 |
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