calving

Effects of Calving Interval on Milk Production for Simmental in the Northern Region of Xinjiang

产犊间隔对新疆北疆地区西门塔尔牛305d产奶量的影响

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14 cows were divided into the control and treatment groups on the basis of parity and expecting calving date.

本实验选用14头年龄、胎次、产奶量、乳成分基本一致的奶牛，分为对照组和试验组。

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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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The correlation values between maternal additive genetic effects of growth traits and calving date were from 0.01 to 0.20.Significant influences of herd and sire on almost all growth traits were found;

母体加性遗传效应与配种-产犊天数的相关值为0.01～0.20，两者间没有什么必然的关联。公牛效应是影响生长性状的重要因素。

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Analysis of Factors Effect on Dairy Cattle Calving Interval

影响奶牛产犊间隔的因素分析

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In addition, the relationships among sexes of calves, calving number and infestation rate and mixed-infestation of the other parasites were described in detail.

轻度感染的占阳性数的18.18%。此外，本文还对犊牛不同性别、母牛胎次与感染率的关系以及与其他寄生虫混合感染等情况进行了详细的记述。

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A study on calving property and softening damage parameter of GRS

花岗岩残积土的崩解性及软化损伤参数研究

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When prepartal cows were treated with TDP the conception rate after calving was significantly higher ( P < 0. 01), and the calving interval was shortened ( P < 0. 05).

用TDP处理围产期奶牛，显著提高了产后妊娠率（P＜0.01），并缩短了产犊间隔时间（P＜0.05）；

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Our cows will be calving soon.

我们的牛快生小牛了.

词典精选例句

transoceanic wave propagation links iceberg calving margins of antarctica with storms in tropics and northern hemisphere

在热带和北半球横穿海洋波传播与带有风暴的南极洲冰山崩解边缘连接

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Glaciers such as Jakobshavn are calving icebergs much faster than scientific models had predicted they would.

冰川如雅格布港是裂冰作用冰山许多更快的比科学的模型已经预知它们将要.

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A baby boom has given a lift to the endangered North Atlantic right whale, with a near-record number of births in the just-ended calving season, according to researchers at the New England Aquarium.

新英格兰水族馆的研究人员日前介绍说，在刚刚结束的产仔期里，北大西洋的脊美鲸迎来了一个接近历史最高纪录的生育高峰。

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They usually require close management during calving.

在生小牛期间它们通常需要精心看护.

《简明英汉词典》

Warm winters, however, may allow iceberg calving and high flow rates to continue.

但是暖冬则会让冰山的高崩离率以及高流速保持不变.

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Calving rate: The number of calves Born alive in any year expressed as a percentage of the number of females let to the Bull in the previous year.

产犊率：指一年所产活犊数量与前一年参加交配的母牛数量之比。

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the cruise ships will pass by deep fjords, coastal forests, and seven active tidewater glaciers calving glaciers into the bay.

游轮会穿过深深的峡湾、海岸森林，还有7座活跃的不断让冰川裂开带入海湾的入海冰川。

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In the first 32 days after calving the number of macrophage in uterus tissue increased greatly, lysosome and mitochondrion in these cells increased too.

产后1～32d之间，子宫组织内巨噬细胞数量增多，其胞质内溶酶体、线粒体等细胞器增多；

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