oestrus
英 [ˈiːstrəs]
美 [ˈestrəs]
n. (雌性动物的)动情期
BNC.47655
牛津词典
noun
- （雌性动物的）动情期
a period of time in which a female animal is ready to have sex
英英释义
noun
- applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
双语例句
- Oestrus was checked by means ofthe observing vulva and vaginal smear.
发情检查采用外阴观察并结合阴道涂片。 - The trial period persisted from ablactation last time to next oestrus in sows.
试验期为母猪的上次断奶始至下次断奶发情止。 - Transient increase in hair progesterone content was recorded during the behavioral oestrus of the four giant pandas.
在雌大熊猫有发情表现期间，其被毛孕酮含量出现升高。 - So far 1801 oestrus cycles has been monitored.
本试验共监测了1801个发情周期。 - In this paper a microprocessor controlling infra-red detecting system were successfully developed and used to recognize the oestrus of sow.
该文介绍了采用微处理器控制的红外监测系统自动识别母猪的发情。 - Synchronization Oestrus and Superovulation in Goat
山羊同期发情与超数排卵试验 - Food with properly increased animal protein should be provided to those at oestrus or with nesting birds;
在发情和育雏期间应适当增加动物性蛋白饲料； - Effect of LRH-A_3 on Oestrus Induction of Suckler Yak Cows
LRH-A3对全奶母牦牛的诱导发情效果和作用机理初探 - Animal experimental results showed LRSDB could promote the follicular development and make endometrium changes in each oestrus, and restrain hyperplasia of mammary gland.
动物实验证明能促进卵泡发育，使子宫内膜出现各动情周期的变化，抑制乳腺腺体增生。 - When gilts or sows enter oestrus in their reproductive cycles ( about 21 days long) they are ready to be bred.
小母猪和大母猪的发情期大概是21天，这是她们的生理循环周期。