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Related to anoestrus: polyestrous


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


see anestrus.

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 ?
The efficacy of ram introduction, GnRH administration, and immunization against androstenedione and oestrone for the induction of oestrus and ovulation in anoestrus post-partum ewes.
Stagg K, Diskin MG, Sceenan JM and JF Roche Follicular development in long-term anoestrus suckler beef cows feed two levels of energy post-partum.
Physiological effects of undernutrition on postpartum anoestrus in cows.
Perez-Hernandez P, Garcia-Winder M, Gallegos-Sanchez J (2002a) Postpartum anoestrus is reduced by increasing the within-day milking to suckling interval in dual purpose cows.
The anoestrus animals were randomly selected based on criteria of not exhibiting any estrus signs for at least six months to 2 years post-partum.
Evaluation of a regimen using a progesterone releasing intravaginal device (CIDR) and PMSG as treatment for post partum anoestrus in dairy cattle.
Induction of oestrus by supplementation of deficient minerals in postpartum anoestrus crossbred cows.
Meyer SL, Goodman RL (1985) Neurotransmitters involved in mediating the steroid-dependent suppression of pulsatile luteinizing hormone secretion in anoestrus ewes: effects of receptors antagonists.
2[alpha]]-GnRH and PMSG+hCG in postpartum anoestrus crossbred cows.
The ovulation rate of females increases with body condition (or liveweight), and the post-partum anoestrus interval is reduced when cows calve at higher BCS (Graham, 1982; Markusfeld et al.
The control of fertility in sheep: endocrine and ovarian responses to progestagen-PMSG treatment in the breeding season and in anoestrus.