筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。
Before silos were invented, cows gave less milk during winter because they had no green grass to eat.
高昂的价格鼓励农民提高畜牧业技术；例如，为了提高奶牛的产奶量，他们开始在室内喂养动物。
The high prices encouraged the peasants to improve their animal husbandry techniques; for example, they began feeding their animals indoors in order to raise the milk yield of their cows.
这是一个无声突变，与水牛产奶量无关。
It was a silent mutation and was not associated with the traits of milk yield in buffalo.
羟基蛋氨酸锌对奶牛的产奶量的影响。
播放古典和轻松音乐可以增加奶牛的产奶量。
Playing classical and soothing music can increase the milk yield of dairy cows.
这些母牛的产奶量很大。
试验结果表明，试验组奶牛乳脂率和产奶量分别提高1。
The result shows that milkfat percentage and milk yield of the cows in experimental group increased 1.
采集血样及奶样，并记录干物质采食(dmi)量和产奶量。
Blood and milk samples were collected, and dry matter intake (DMI) and milk production were recorded.
本文对奶牛产奶量的若干数量性状进行了多重组合的相关分析。
In this study an analysis of correlation between some quantitative characters of milk yield of cow was made in multiple combinations.
他认为开心的奶牛产奶量较高，而他练太极的好情绪可以感染奶牛。
He believes a cow is more productive when it is happy and that his good mood from practicing Tai Chi could transfer to the cows.(See photo)
几乎有一半称自己在农场上叫奶牛的名字，并且上报的产奶量更高。
Almost half said they called the cows on their farms by name and reported a higher milk yield.
间接损失包含人的生产力的损失以及家畜的生长速度、繁殖能力和产奶量的下降。
Indirect costs comprised human productivity losses and the reduction in growth, fecundity and milk production in livestock.
据了解，该设备既可以让奶牛享受洗刷的舒畅感，同时能够将产奶量提高3.5%。
The cows enjoy the sensation of being brushed and it can boost milk production by 3.5 percent.
复合酵母培养物在提高奶牛产奶量和降低体细胞数方面具有较好的效果。
Adding the compound yeast culture showed a positive effect in improving milk yield and reducing somatic number.
传统的农民喂养奶牛的方式是通过大量的化学制品提升奶牛的体型和产奶量。
Traditional agricultural farmers are in the practice of administering a myriad of chemicals to dairy cows in an effort to increase their size and milk output.
该给宝宝喂奶时，我没有胀奶的感觉，这是不是说明我的产奶量减少了吗？
My breasts no longer feel "full" when it is time for a feeding. Is my milk supply decreasing?
研究产奶量对热应激和非热应激期间奶牛血液、乳、和毛中微量元素的影响。
The influence of milk yield on trace elements in blood, milk and hair in the period of the heat stress and non heat stress were studied.
结果表明：各组产奶量、干物质采食量和料奶比无显著差异（P>0.05）。
The results showed as follows: 1) milk yield, dry matter intake and feed to milk ratio in different groups had no significant differences (P>0.05).
英国纽卡斯尔大学的道格拉斯和卢林森发现有名字的奶牛产奶量要比那些无名牛多！
Catherine Douglas and Peter Rowlinson of Newcastle University, United Kingdom, for showing that cows that have names give more milk than cows that are nameless.
在牛第一个症状包括精神迟钝、拒食和产奶量减少。她的两只手娇慵地放在身边。
In cattle, the first symptoms include dullness, refusal to feed and a fall in milk production.
如果你想始终获得高受胎率、短产犊期和高产奶量，你必须提供充足数量的必要营养！
If you want consistent high conception rates, shorter calving periods and high milk production, you must provide the necessary nutrients in adequate quantities!
伍德·科尔先生研究奶牛的行为已经四十多年了，他说：“奶牛感到快乐时产奶量就高。”
Mr Woodacre, who has studied cow behaviour for more than 40 years, said: "Happy cows are more productive."
目前，随着奶牛集约化饲养的扩大和产奶量的提高，奶牛真胃左方变位的发病率逐渐增加。
With intensive dairy farm and high milk yield, the incidence of LDA in dairy cows increases gradually in recent years.
兽医学奖：英国纽卡素大学的道格拉斯和罗林森。得奖原因：发现有名字的乳牛产奶量较高。
Veterinary medicine: Catherine Douglas and Peter Rowlinson of Newcastle University, UK, for showing that cows with names give more milk than cows that are nameless.
本文对烟台西杂牛的产奶性能进行了分析，找出了差距及存在的潜力，提出了提高产奶量的措施。
The paper analyses the milk yield performance of the Simmental and local cattle in Yantai. Difference and potential are also illustrated, hence the measures of improving milk yield in proposed.
意大利牛奶是欧洲最昂贵的(见图表)，因为该国的奶牛是一种产奶量低的品种，并且农场规模偏小。
Italian milk is Europe's most expensive (see chart), because of the country's lower-yielding breeds of cows and the smaller size of Italian farms.
意大利牛奶是欧洲最昂贵的(见图表)，因为该国的奶牛是一种产奶量低的品种，并且农场规模偏小。
Italian milk is Europe's most expensive (see chart), because of the country's lower-yielding breeds of cows and the smaller size of Italian farms.
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