Biological efficiency criteria in dairy cows
The aim of this study was to evaluate the milk index as an indicator of productive efficiency for dairy cows on pasture systems compared with the usual indicator based solely on accumulated individual production. Age, total milk production and milk index from 1o5 dairy cows classified by the Holstei...
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| 第一著者: | |
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| その他の著者: | , , , , , , , |
| フォーマット: | article |
| 言語: | spa |
| 出版事項: |
2014
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| 主題: | |
| オンライン・アクセス: | https://revistas.uea.edu.ec/index.php/racyt/article/view/32 |
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