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 oestrus rate of ewe was1000%; the conception rate was70%; the rate of lambing was114.%.
母羊发情率为100%，受胎率70%，母羊产羔率114.3%。 - 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； - Body Condition Score of Different Reproductive Types of Female Yak in Oestrus and Perinatal Period
不同繁殖类型的牦母牛在发情期和围产期的体况评分 - 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 - Effects of hormone dosage, interval time of hormone injection, oestrus period, season and temperature influenced on mouse superovulation were studied in this experiment.
分析了激素剂量、激素注射间隔时间、发情周期、季节和温度对小鼠超排效果的影响。 - An Inquiry into the Oestrus Authentication And Timely Breeding Of Cows Research on Different Reproduction Hormone to Estrous Synchronization of Holstein
对奶牛的发情鉴定与适时配种的探讨不同生殖激素对奶牛同期发情效果的研究 - 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。 - The concentration of LH arrived at the highest value on the day of oestrus and decreased gradually after that day.
促黄体素的含量在发情当日达到最高值以后逐渐下降。 - 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。 - 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。