estrus
简明释义
n. 发情期;动情周期
英英释义
The recurring period of sexual receptivity and fertility in many female mammals, during which they are capable of conception. | 许多雌性哺乳动物中,周期性出现的性接纳和生育期,期间它们能够受孕。 |
单词用法
发情周期 | |
发情行为 | |
诱导发情 | |
发情的雌性动物 | |
观察发情 | |
发情同步 |
同义词
反义词
无发情期 | During anestrus, female animals do not exhibit any signs of estrus. | 在无发情期,雌性动物不会表现出任何发情的迹象。 | |
黄体期 | The diestrus phase is characterized by a lack of sexual receptivity in females. | 黄体期的特征是雌性缺乏性接受能力。 |
例句
1.The number of the CEC was the most at estrus and remarkably (P<0.01) more than that of other stages.
角化上皮细胞在发情期数目最多,明显(P<0.01)高于其它各期;
2.Spring is their estrus, the sound all time in night like crow blood is for beckoning their 'Mating objects'.
春天是它们的发情期,夜间啼血般地叫个不住,是召唤‘婚配对象’哩!
3.If a dog to own the estrus period for the election of her husband masters, the eyes of a certain good, not anxious to lock.
如果自家的一条母獒到了发情期,主人为其选夫婿,看中某条好公獒,先别着急锁定。
4."Quietkat" cat food is the best food for pussycats during estrus period, it maintains a balanced nutrition diet and to stabilize their emotion.
猫静猫粮是猫咪发情期最佳食品,保持营养均衡,稳定猫咪情绪。发情期前后参照以下喂食方式更加合理周到。
5."Quietkat" cat food is the best food for pussycats during estrus period, it maintains a balanced nutrition diet and to stabilize their emotion.
猫静猫粮是猫咪发情期最佳食品,保持营养均衡,稳定猫咪情绪。发情期前后参照以下喂食方式更加合理周到。
6.Male chinchillas tend to be easier to handle because they are not subject to temperament fluctuations due to the estrus cycle.
雄性龙猫往往更容易相处,因为它们没有波动的发情周期。
7.During the breeding season, female dogs experience a phase called estrus (发情期), during which they are receptive to mating.
在繁殖季节,母犬经历一个称为estrus(发情期)的阶段,此时它们会对交配产生接受性。
8.The onset of estrus (发情期) in cows can be detected by observing their behavior and physical signs.
通过观察母牛的行为和身体迹象,可以检测到estrus(发情期)的开始。
9.Veterinarians often monitor the estrus (发情期) cycle in cats to assist with breeding.
兽医通常监测猫的estrus(发情期)周期,以协助繁殖。
10.Understanding the timing of estrus (发情期) is crucial for successful artificial insemination in livestock.
了解estrus(发情期)的时机对于成功进行家畜人工授精至关重要。
11.Some species exhibit distinct behavioral changes during estrus (发情期), making them easier to identify.
某些物种在estrus(发情期)期间表现出明显的行为变化,使其更容易被识别。
作文
Estrus, also known as heat, is a term used in biology to describe the period of sexual receptivity in female mammals. During this time, females exhibit specific behaviors and physiological changes that signal their readiness to mate. The concept of estrus (发情期) is crucial for understanding reproductive cycles in various species, including domestic animals like dogs and cats, as well as wild animals. In the animal kingdom, the estrus (发情期) cycle can vary significantly between species. For instance, some animals, such as cows, have a defined estrous cycle that occurs every 21 days, while others, like cats, may enter estrus (发情期) multiple times during a breeding season. This variability plays a vital role in the survival and reproduction of species, as it influences mating strategies and population dynamics. The physiological changes that occur during estrus (发情期) include an increase in hormone levels, particularly estrogen, which leads to behavioral changes. Females in estrus (发情期) may become more vocal, seek out male partners, and display certain postures to attract mates. These behaviors are essential for successful mating, ensuring that the species continues to thrive. In many species, the timing of estrus (发情期) is closely linked to environmental factors, such as the availability of food and changes in daylight. For example, in some deer species, estrus (发情期) is synchronized with the onset of autumn when food is plentiful, allowing for the best chances of survival for offspring. This synchronization is a fascinating aspect of animal behavior and ecology, demonstrating how species adapt to their environments. Understanding estrus (发情期) is not only important for biologists but also for pet owners and farmers. Knowledge of the estrus (发情期) cycle can help in breeding programs, ensuring that animals are bred at the right time for optimal health and productivity. For instance, knowing when a dog is in estrus (发情期) can prevent unwanted litters and help owners manage their pets' reproductive health. Moreover, the study of estrus (发情期) has implications for veterinary medicine. Veterinarians often need to recognize the signs of estrus (发情期) to provide appropriate care and advice to pet owners. This knowledge can also aid in the treatment of reproductive issues or disorders that may arise during this critical time. In conclusion, estrus (发情期) is a significant biological concept that encompasses a range of behaviors and physiological changes associated with reproduction in female mammals. Its understanding is essential for various fields, including biology, ecology, veterinary medicine, and animal husbandry. By studying estrus (发情期), we gain insights into the complex interactions between animals and their environments, ultimately contributing to our knowledge of biodiversity and conservation efforts.
文章标题:estrus的意思是什么
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