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Influence of Paratypic Factors on the Productivity of Holstein Cows

机译:替补因素对荷斯坦奶牛生产率的影响

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The article presents the dataset on the influence of paratypic factors on the productivity of Holstein cows. The best indicators of productivity were revealed in the cows with a live weight of 400-449 kg at the first successful conception. The milk yield amounted to 8863.2 with a fat mass fraction of 3.1% and a protein mass fraction of 4.5%. The animals calved for the first time at the age of 24-25 months showed the productivity of 8883.7 kg, which is 101.7 kg more than that showed by 22-23-mo-of-age cows and 628.5 kg less than the herd average. There is a positive correlation of 0.42 between the age at first calving and the mass fraction of fat. The analyzed 10% of livestock have a service period of less than 60 days, 24% - from 61 to 90 days, 26% - from 91 to 120 days.
机译:本文提出了关于抄本因素对荷斯坦奶牛生产率的影响的数据集。在第一个成功的概念中,在母牛中揭示了最佳生产指标,其活重为400-449公斤。产奶率为8863.2,脂肪质量分数为3.1%,蛋白质质量分数为4.5%。这些动物在24-25岁时首次计算,表现出8883.7千克的生产率,比22-23-Mo-ys-ys-you的奶牛和比群体平均水平低628.5公斤,这是101.7千克的生产率。在第一产犊时的年龄和脂肪的质量分数之间存在0.42的正相关。分析的10%的牲畜的服务期少于60天,24% - 从61至90天,26% - 从91到120天。

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