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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書誌詳細
第一著者: Vargas Burgos, Julio César (author)
その他の著者: Tarquino, Robalino (author), Quinteros Pozo, Orlando Roberto (author), Frana, Emanuel (author), Quevedo Tumailli, Viviana Fernanda (author), Barbona, Ivana (author), García López, Roberto (author), Marini, Pablo (author), Echeverría Guevara, Mónica Paulina (author)
フォーマット: article
言語:spa
出版事項: 2014
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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