anestrus en · NOUN
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Ancient Greek ἀν- (an-)der. English an- English estrus English anestrus From an- + estrus.
Meanings
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(countable, uncountable) In female placental mammals—excluding humans and great apes—a phase of the estrous cycle during which the sexual cycle rests.
2011, Carole C. Miller, Carla L. Carleton (consulting editor), Anestrus, Jean-Pierre Lavoie, Kenneth William Hinchcliff (editors), Blackwell's Five-Minute Veterinary Consult: Equine, 2nd Edition, Wiley, page 75, Treating a mare with progesterone while she is in anestrus/early vernal transition will suppress ovarian activity.
During anestrus the size range and numbers of ovarian antral follicles were similar to those seen during the breeding season.
2008, Sabine Meinecke-Tillmann, Burkhard Meinecke, “Chapter 14: Ultrasonography in Small Ruminant Reproduction”, in Heide Schatten, Gheorghe M. Constantinescu, editors, Comparative Reproductive Biology, Blackwell Publishing, page 352:1993, R. E. Larsen, S. C. Denham, J. F. Boucher, E. L. Adams, Chapter 13: Breeding Season Length Versus Calving Percentage in Beef Cattle Herds, Michael J. Fields, Robert S. Sand (editors), Factors Affecting Calf Crop, CRC Press, page 191, Duration of postpartum anestrus is the period from calving to the first estrus. This anestrus period is recognized as being a major factor in controlling the proportion of cows conceiving each breeding season (Wiltbank et al., 1961).
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| anestri | Number=Plur | lexicographic | |
| anoestrus | alternative | lexicographic | |
| anœstrus | alternative | lexicographic |
Deriveds
Relateds
proestrus · estrus · diestrus · metestrus
Synonyms
anestrum · anaestrum · anœstrum · anestrous phase
Translations (8)
ru анэ́струс (period of pause during the sexual cycle) · hy անեստրուս (period of pause during the sexual cycle) · pt anestro (period of pause during the sexual cycle) · cmn 不动情期 (period of pause during the sexual cycle) · it anestro (period of pause during the sexual cycle) · de Anöstrus (period of pause during the sexual cycle) · es anestro (period of pause during the sexual cycle) · fr anœstrus (period of pause during the sexual cycle)