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。 - 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 Implant of Melatonin on the Weight Increasing and Oestrus of Sheep
褪黑素埋植对非繁殖季节绵羊发情和血浆中激素的影响 - The Secretory Characteristics of FSH 、 LH 、 E_2 and P of Laiwu Black Goat during the Oestrus cycle
莱芜黑山羊发情周期中FSH、LH、E2和P的分泌规律 - 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； - 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。 - Development of a computer system for monitoring oestrus of dairy cattle
奶牛发情计算机监测系统研究与开发 - 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。 - 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。