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
- The Problem that the Detection of cow oestrus is difficult in detecting is one of all the Problems.
当前我国奶牛养殖存在着各种各样的问题，其中奶牛发情检测难就是其中之一。 - The Regulation of Melatonin 、 LH and FSH on the Seasonal Oestrus of Sheep
MLT、LH和FSH对绵羊季节性发情的调控作用研究 - The test group with PMSG and HCG were compared with the control group in the oestrus rate, conception rate and live farrowing rate.
试验比较了PMSG+HCG与对照组的发情率、受胎率、产仔率等繁殖性能指标。 - Effect of implanting melatonin on the weight and oestrus of sheep
褪黑素埋植对绵羊体重和发情的影响 - Oestrus behavior and insemination of weaning sows in summer were studied using infrared sensor system.
应用红外传感器系统研究了夏季断奶母猪发情行为与配种。 - So far 1801 oestrus cycles has been monitored.
本试验共监测了1801个发情周期。 - 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。 - 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 - Bactrian camels have their own reproductive physiological characteristics such as seasonal oestrus and ovulation inducement.
双峰驼具有独特的繁殖生理机能，是季节发情、诱导排卵的动物。 - The Treatments of Different Hormone on Oestrus Synchronization of Xinjiang Brown Cattle
不同激素处理新疆褐牛同期发情的试验