anestrus


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Related to anestrus: proestrus, monoestrous

anestrus

[a′nes·trəs]
(vertebrate zoology)
A prolonged period of inactivity between two periods of heat in cyclically breeding female mammals.
References in periodicals archive ?
Comparative study on efficacy of different medicaments on postpartum anestrus in dairy cows.
Of 10 cows that were not inseminated in the GG; 4 showed no estrus, as indicated above, and the remaining 6 that showed estrus were not inseminated due to different problems (2 had late anestrus, 1 had mastitis, 3 had downer cow syndrome) and were subsequently eliminated.
Body condition and suckling as factors influencing the duration of postpartum anestrus in cattle: a review.
Thus the bitch experiences a long (5 months) period of anestrus.
Monestrous (mohn-ehs-truhs) One estrous cycle each year, followed by a period of anestrus.
Since the mare is usually in winter anestrus, artificial lighting is used to induce follicular activity.
Montiel F, Ahuja C (2005) Body condition and suckling as factors influencing the duration of postpartum anestrus in cattle: a review.
of anestrus, the period between heats in female animals
Depending on the breed, they may then enter an anestrus period that lasts until the start of the next breeding season.
The technology is also used to treat anestrus beef cows that do not cycle because the physical demands of a suckling calf cause a negative energy balance.
4] concentrations of females with cubs and females with yearlings did not differ, presumably because all females with nursing offspring (cubs and yearlings) are in lactational anestrus.