lactations

与lactations相关的网络例句 [注：此内容来源于网络，仅供参考]

The results were based on data from 7,721 primiparous lactations and 13,566 multiparous lactations in 7 large dairy herds in New York State.

结果表明，依据的数据来自7721初lactations和13566产lactations 7大奶牛群在纽约州。

Protection provided by a coccidiostat is inexpensive and very important , so a coccidiostat should be part of all starters in lactations where coccidiostat is a management problem.

抗球虫药很重要，价格也不贵，因此在管理很差的条件下抗球虫药是吃母乳的犊牛必需的。

A total of 44 cows was selected with more than 12-tons milk yield with a mean of 44 months of age after 12 times of milk test in average, based upon number of milk test equivalent to their second lactation, in 2006. Among of them, 8 out of 44 had more than three lactations.

再分析2006年测乳达12公吨以上乳量的牛只有44头，其平均月龄为44月，平均测乳次数12次；其中有8头是三胎以上的牛。

9 healthy adult Holstein cows were selected as experimental cows and they were divided into 3 groups according to different milk lactations. Individual tracking method was used to observe and record the amount of Diptera insects. The blood was took on the tail vein under the aseptic condition and then the serum was extracted. The level of ACTH, COR, PRL, GH and NE in the serum were detected by the method of radioactive immunoassay method and fluorescence spectrophotometry.

方法］选择9头成年健康的荷斯坦奶牛作为试验牛，按不同泌乳阶段分3组，采用个体跟踪法观察并记录侵袭试验牛双翅目昆虫的数目，自尾静脉无菌采血，提取血清，采用放射性免疫法和荧光分光光度法测定血清中AGTH、COR、PRL、GH和NE的水平。