calving

1. VERB 产犊;生小牛
   When a cow calves, it gives birth to a calf.
   1. When his cows calve each year he keeps one or two calves for his family.
      他的母牛每年产犊时,他都给自家留上一两头。
2. VERB (象、鲸等)产崽
   Some other female animals, including elephants and whales, are said to calve when they give birth to their young.
   1. The whales migrate some 6,000 miles to breed and calve in the warm lagoons.
      鲸会迁移6,000海里左右,到温暖的环礁湖生殖繁衍。
3. （calf 的复数）
   Calves is the plural of calf.

1. This was calving season, and fellow ranchers watched for coyotes, cougars, wild dogs and, of course, the lone wolf.
   这也是裂冰的季节，同行的农场主们都在监视着丛林狼、美洲狮、豺狗，当然还有单独出来的狼。
2. He'll bide to get a little practice in the calving out at the straw-yard, for certain.
   我可以肯定，他还要住在这儿实习一段时间，学习在干草场里饲养小牛。
3. Very few chief executives of big banks know how to brand a cow, what to do when calving season starts, or how to tell Angus from Shorthorn cattle.
   很少有大银行的首席执行官知道如何给牛打烙印，在产犊季节来临时该怎么做，或者如何分辨安格斯牛和短角肉牛。
4. At the range gate, I saw the cow suffering from calving.
   我在牧场门口看到一只牛忍受着生产的痛苦。
5. 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。
6. After calving occurs the uterus should return back to its normal condition following a30-40 day period.
   产犊后，子宫应当在接下来的30-40天的时间里恢复到正常状态。
7. Were we falling from within a calving iceberg.
   在断裂的冰山内我们可曾正在下坠。
8. Experts say this type of iceberg calving happens from time to time and these are not record large icebergs.
   专家们表示，这种类型的冰山崩解时有发生，他们并不是目前发现的世界上最大的冰山。
9. The negative cation-anionic difference ( DCAD) can increase the concentration of blood-ionized Ca of dairy cow before calving and mitigate responsiveness to Ca homeostatic hormones.
   负的阴阳离子差可以增加血液中离子钙浓度，增强钙平衡调节激素的反应。
10. Our cows will be calving soon.
    我们的牛快生小牛了。
11. 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。
12. Time of calving varies with class of country.
    由于各地条件不同，产牛犊的时间也不同。
13. Changes in Plasma Progesterone and 17 β-estradiol Levels of Buffaloes during Parturition and after Calving
    水牛分娩期和产后期血浆孕酮和17β-雌二醇水平的变化
14. A high oocyte maturation, fertilization and cleavage rate and a low rate of blastocyst yield and calving following transfer of in vitro produced buffalo embryos have been obtained. The efficiency of IVP in buffalo is much lower than that in cattle.
    水牛胚胎体外生产已获得了较高的卵母细胞成熟率、受精率和卵裂率，但囊胚发育率和体外胚的移植成功率仍较低，水牛IVP胚胎体外生产效率比黄牛低得多。
15. The experiment indicated that the "Cow Calf Injection" could not only increase the percentage of female calves in the calving but also improving the reproductive performance of yellow cattle in the extension of yellow cattle improvement project.
    试验证明，用母犊素处理配种母牛，不仅能大幅度提高母犊出生率，还能提高母牛的部分繁殖性能，值得在黄牛改良中推广应用。
16. Analysis of the Effect of Calving Seasons of Cow on Milking Amount
    奶牛不同季节产犊对产奶量影响程度的分析
17. 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。
18. The influences of calving month, parity and heat stress on milk yields of Holstein cows
    产犊月份、胎次和热应激对乳牛产奶量的影响
19. The grouping of calving seasons and its effect onthe accuracy of breeding value estimation
    产犊季节的划分及其对估计育种值准确性的影响
20. The results showed that the average conception rate was 41.86%, the calving survival rate was 91.67%;
    结果表明：平均受胎率为41.86%，产犊成活率为91.67%。
21. The studies on different energy supplied by forage during dry period of Dairy Cows on their dry matter intake ( DMI) after calving, peripartum performance, blood-biochemistry, endocrine factors about energy metabolite and ingestion were developed.
    研究了干奶期不同能量摄入水平对围产期健康奶牛产后干物质摄入量、生产性能、血液生化指标及与围产期奶牛能量代谢、摄食密切相关的血液神经内分泌因子水平的影响。
22. Study on Induction of Double Calving by Low Dosage Gonadotropic Hormone in Yellow Cattle
    低剂量促性腺激素处理诱导黄牛一胎双犊的研究
23. Analysis of Factors Effect on Dairy Cattle Calving Interval
    影响奶牛产犊间隔的因素分析

noun

1. giving birth to a calf