estrus
- noun
- /ˈɛstrəs/
- Specialized
- Early that summer, an adult female, Krom, had come into estrus, and Yeroen had made overtures.
- females in estrus
- estrus detection
- insemination and estrus
They have the kind of swellings that they do when they're in estrus, but but that we just don't have that.
- They have the kind of swellings that they do when they're in estrus, but but that we just don't have that.
- And that that that male lion will want the female lions to go into estrus.
- First thing that happens after is the females go into estrus, meaning they become sexually receptive to the new males.
Examples
-
Fieldworkers have observed that common chimpanzee mothers whose infants were killed quickly resumed estrus and remated.
Academic text (1990) -
Subsequently, they entered full estrus and began to be mounted by the buck whose territory they were in.
Academic text (1991) -
- She'll be in estrus a short time.
-
Adult females may also mate with multiple males within a single estrus period.
Academic text (1998) -
At any one time, some females are in estrus, and so males can almost always readily find mates.
Academic text (1990) -
In ungulates, females in estrus are often harassed by young males.
Academic text (1991) -
More than forty years ago, I hypothesized that the calling of the bulls triggered and synchronized estrus.
Academic text (2006) -
A female dog usually goes into estrus twice a year, making her receptive to mating.
-
During estrus, many female mammals display specific behaviors to attract males.
-
Farmers need to be aware of when their cows are in estrus to optimize breeding opportunities.
Synonyms
A time when a female animal is able to mate
A female animal ready to mate and able to have babies
Antonyms
Surface Forms
Etymology
Estrus comes from the old Greek word oistros, which meant a 'frenzy' or 'strong urge'. So estrus names the time when female animals feel a strong sexual urge to mate, and it is the same root used in oestrogen (the hormone).