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Related to anoestrous: 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 ?
Effect of treatment with progesterone and oestradiol benzoate on ovarian follicular turnover in postpartum anoestrous cows and cows which have resumed oestrous cycles.
Effect of progesterone pre-treatment on steroid secretion rates and follicular fluid insulin-like growth factor-1 concentrations in seasonally anoestrous ewes treated with gonadotropin releasing hormone.
The acute effect of bull presence on plasma profiles of luteinizing hormone in postpartum, anoestrous dairy cows.
Based on their reproductive status they were divided into normal cyclic (having normal cyclic oestrus), anoestrous cows (showed no estrus signs even after 6 months post partum and with inactive ovaries), repeat breeding cows (failed to conceive even after three services and with no genital abnormality) and anoestrous heifers (which did not come to estrus even once after attaining the age of two years or more/did not obtained the specified body weight at >2 years of age inactive ovaries) categories.
To conclude, for induction and synchronisation of anoestrous ewes, administration of PMSG at the time of sponge removal results in better response.
Induction of oestrus by supplementation of deficient minerals in postpartum anoestrous crossbred cows.
There is greater loss of body condition score during the early lactation period leading to a higher percentage of anoestrous cows in the herd due to deleterious effects on the follicle or the corpus luteum (CL) by decreasing steroidogenesis (Roche et al.
Ovarian responses in gonadotrophin releasing hormone treated anoestrous ewes: follicular and endocrine correlates with luteal outcome.
Haematological changes in normal cyclic, anoestrous and repeat breeding cattle.
Attenuation by an opioid agonist of the oestradiol-induced LH surge in anoestrous ewes and its reversal by naloxone.
The objective of the present study was to investigate the presence of CBG (corticosteroid binding globulin), estrogens alpha and progesterone receptors in the uterus, oviduct and ovary of sheep during oestrous cycle (n = 3), pregnancy (n = 3), and in anoestrous (n = 3).