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首页> 外文期刊>Asian-Australasian Journal of Animal Sciences >Effects of energy-protein supplementation frequency on performance of primiparous grazing beef cows during pre and postpartum
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Effects of energy-protein supplementation frequency on performance of primiparous grazing beef cows during pre and postpartum

机译:能量 - 蛋白补充频率对前后初中放牧牛肉性能的影响

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摘要

Objective: Twenty-four pregnant Nellore primiparous grazing cows were used to evaluate the effects of energy-protein supplementation and supplementation frequency during pre (105 d before calving) and postpartum (105 d after calving) on performance and metabolic characteristics.
机译:目的:二十四名怀孕的初步放牧奶牛用于评估预(105 d之前)和产后(产犊后的105d)和产后的能量 - 蛋白补充剂和补充频率的影响对性能和代谢特征。

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