milk yield

The milk yield and quality determined from milk of cows in parity 1,2 and ≥3.

测定第1,第2和第3泌乳胎次以上奶牛的鲜乳产量及品质.

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During the trial period, milk yield and quality were measured per week.

试验期间，每周测定一次产奶量及乳成分。

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The Influence of Meteorological Condition on Milk Yield of Dairy Cow and Countermeasures

气象条件对奶牛产奶量的影响及对策

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Study on Relationship between Milk Yield and Milk Quality of Chinese Holstein Dairy Cow

中国荷斯坦奶牛产奶量与乳品质互作关系探讨

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As lactating extended, milk yield of sow in NRC and mid level increased;

NRC和中水平组母猪泌乳量随泌乳期延长而增加；

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Liquid methionine hydroxy analog ( MHA) is an efficient source of active methionine for ruminant, which has many function in raising milk yield, improving milk composition, stimulating adiposity tissue and decreasing feed cost in animal production.

液态蛋氨酸羟基类似物（HMB）是一种有效的反刍动物用活性蛋氨酸源，具有提高产奶量、改善乳成分、促进脂肪代谢和降低饲料成本等多种作用。

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Daidzein can encourage animal growth, improve the immunity of animal, aggrandize milk yield of milch cow, improve the quantity, quality and weight of eggs and enhance the function of breed.

大豆黄酮具有促进动物生长、增强动物机体免疫力、增加奶牛泌乳量，增加家禽产蛋量、蛋重和品质及提高繁殖机能等生理功能。

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50 cows were divided into experiment group and control group according to milk yield, calving date and lactation.

实验选用了50头奶牛，根据产奶量、泌乳天数和胎次相近的原则分为试验组和对照组。

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PAC complex feed additive was used to feed Holstein cows. Results demonstrated milk yield and milk fat content of Holstein cows could be increased 7.62% and 10% with addition 0.4% of PAC complex feed additive.

PAC复合酶饲料添加剂对荷斯坦乳牛的饲喂实验表明，在奶牛饲料中添加0.4%PAC复合酶饲料添加剂可使乳产量提高7.62%，乳成分有所改善，乳脂率提高10%。

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Parity and days in milk had little relationship to the individual variation for these two CLA variables. Milk fat of CLA content and CLA-desaturase index were independent of milk yield, and milk fat yield.

乳脂CLA含量和CLA-去饱和酶指数不受胎次和泌乳日影响，同时与产奶量、乳脂肪产量之间的相关性低。

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Effects of α-Lactalbumin and β-Lactoglobulin Variants on Milk Yield in Gansu Black-and-White Dairy Cow

甘肃黑白花奶牛α－乳清蛋白及β－乳球蛋白多态性与产奶量相关性研究

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The results showed that the released amount of trace elements in the boluses could meet dairy cow's requirement and significantly improve milk yield and quality.

结果表明，缓释丸释放的微量元素能够提供产奶牛的需要，对产奶量和乳品质的提高有显著的影响。

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The experiment was to investigate the effect of THI on buffalos milk yield.

本试验研究了温湿指数（THI）对摩尼本水牛产奶量的影响。

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Obvious combining forms were not found between gene band and milk yield.

在分析不同基因条带的组合时未发现与各胎次产奶量有显著影响的组合形式。

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Milk yield was recorded and milk composition analyzed monthly.

每月测定一次产奶量，并同时获取奶业进行乳成分分析。

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Study on adjusting coefficient for milk yield of dairy cattle

奶牛产奶量校正系数研究

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Effect of Daidzein on Milk Yield and Components of Dairy Cow

大豆异黄酮对奶牛产奶量及乳成分的影响

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Principal Component Analysis between Body Conformation Linear Traits and Milk Yield in Holstein Cows

荷斯坦牛体型线性性状对泌乳量的主成分分析

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Effects of natural plant additives on the increase of milk yield for dairy cow

天然植物性添加剂对奶牛增乳效果的影响

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Study of Association Between Production Life of Dairy Cattle and Its Milk Yield

奶牛生产寿命和产奶量的相关性研究

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