synchronized estrus.
同期化发情
A cow s estrus cycle averages 19 days.
母牛得发情周期平均为21天。
A cow s estrus cycle averages 21 days.
母牛的发情周期平均为21天。
Numbers of sows were estrus within 70 days after weaning.
离乳后70日以内发情之母猪头数。
During estrus, the female is fertile and will accept a male.
在发情期，母犬可以接受交配并且具有生育能力。
Besides I'm not the one that you mess estrus people ah, really!
再说了我也不是那种一见就乱发情的人啊, 真是!
The total egg white content of oviduct in estrus and ovariectomized rats
动情周期及去卵巢后大鼠输卵管总蛋白含量变化的研究
Estrus recurs at intervals of approximately six months until late in life.
从一个发情期至第二个发情期之间约为六个月。
Research on Reproduction of the Sheep in Hotan with Synchronization of Estrus
利用同期发情技术对和田羊繁殖效果的试验研究
In cows and many other animals, the female is in estrus just before ovulation.
母牛和许多其他得雌性动物都正好是在排卵前发情。
A preliminary study on inducing Behavioral Estrus of Paguma Larvata by medicine
花面狸药物催情的初步试验研究
The estrus conception rate was reduced in the climate of high temperature and humidity.
高温高湿的气候，最易使母猪第一情期受胎率下降。
Unusual Behavior Observation on a No Left Palm Female Giant Panda During Estrus and Mating
一例左前掌缺失雌性大熊猫发情交配异常行为的观察
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