anestrus


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Related to anestrus: proestrus, monoestrous

an·es·trus

(an-es'trŭs),
The period of sexual quiescence between the estrus cycles of mammals; may be: 1) a prolonged period in monestrous animals (dogs) or seasonally polyestrous animals (sheep), or 2) a prolonged period of failure of estrus in mature nonpregnant, polyestrous animals.
[G. a- priv. + oistros, a gadfly, mad desire (estrus)]

anestrus

(ăn-ĕs′trəs)
n.
An interval of sexual inactivity between two periods of estrus in female mammals that breed cyclically.

an·es·trus

(an-es'trŭs)
The period between two estrus (heat) cycles.
Synonym(s): anoestrus.
[G. a- priv. + oistros, a gadfly, mad desire (estrus)]

anestrus, anoestrus

nonoccurrence of estrus so that the female is not sexually receptive at any time. See also no visible estrus, silent estrus.
References in periodicals archive ?
Effects of varying energy intake and sire breed on duration of postpartum anestrus, insulin like growth factor-1, and growth hormone in mature crossbred cows.
Toward the end of anestrus, circulating concentrations of LH begin to increase due to onset of a high-frequency mode of pulsatile LH secretion.
Then the female goes into anestrus for a period of time.
Seasonal breeders will have an anestrus period during late spring.
Females with nursing offspring are anestrus and will not ovulate and form a [P.
The anestrus period may be correlated with the strength of Calanus copepod production, as it appears to be in northern right whales (Balaena glacialis; Kenney, 1997, 1998).
Herein, we report on our tests of the hypotheses that fecundity in female shrews declines with age and that older shrews are anestrus as suggested by Hawes (1975).
The role of the vaginal smear in the detection of metestrus and anestrus in the bitch.
The diminished secretion of LH and increased the rate of postweaning anestrus occur when the mobilization of protein increased in lactating sows [32].
Diseases and Conditions: The reported plants were used against following 26 diseases and conditions: agalactia, anestrus, anorexia, chronic diarrhoea, colic, constipation, enhancing milk production, expulsion of placenta, fever, foot rot, heat stroke, indigestion, traumatic inflammation, non-specific jaundice, mastitis, panting, pneumonia, uterine prolapse, red water, rheumatism, toxaemia, tympany, worm infestation and external wounds.
Influence of postpartum weight and body condition change on duration of anestrus by undernourished suckled beef heifers.