estrus

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Related to estrus induction: Oestrus

estrus

 [es´trus]
the recurrent, restricted period of sexual receptivity in female mammals other than human females, marked by intense sexual urge. See also estrous cycle. Called also estruation, estrum, and heat. adj., adj es´trual, es´trous.

es·trus

(es'trŭs),
That portion or phase of the sexual cycle of female animals characterized by willingness to permit coitus; readily detectable behavioral and other signs are exhibited by animals during this period.
Synonym(s): heat (3)
[G. oistros, mad desire]

estrus

also

oestrus

(ĕs′trəs)
n.
The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat.

es·trus

(es'trŭs)
That portion or phase of the sexual cycle of female animals characterized by willingness to permit coitus; readily detectable behavioral and other signs are exhibited by animals during this period.
Synonym(s): estruation, heat (2) , oestrus.
[G. oistros, mad desire]
References in periodicals archive ?
Conclusion: Total duration and intensity of estrus were not affected by estrus induction whereas duration of standing estrus was increased by estrus induction in indigenous heifers and cows.
Bretzlaff and Madrid (1989) used a 3mg treatment and found an estrus induction of 97%, similar to the present findings.
TABLA I EFECTO DE LA DOSIS DE eCG SOBRE LA INDUCCION DEL CELO EN CABRAS TRATADAS CON MEDROXIPROGESTERONA/EFFECT OF DOSAGE OF eCG ON ESTRUS INDUCTION IN GOATS TREATED WITH MEDROXYPROGESTERONE Grupo n Tasa de celo Intervalo al Duracion del (%) celo (h) celo (h) GC 11 9/11 (81,8) 42,20 [+ o -] 42,14 [+ o -] 3,54 (b) 4,15 G250 10 10/10 (100) 40,65 [+ o -] 39,94 [+ o -] 3,27 (b) 3,81 G500 11 11/11 (100) 32,54 [+ o -] 42,14 [+ o -] 3,00 (a) 4,15 Valores con letras diferentes dentro de la misma columna difieren (P<0,05).
In the present study, percentage of post-partum cows showing standing estrus was 83.33% while 100% estrus induction rate was reported by Harpreet et al.
Estrus induction was started at 31.3 [+ or -] 1.7 days post-partum with intravaginal sponges impregnated with 60 mg of MAP during 14 days and at time of sponge removal were applied 500 IU of eCG intramuscular.
Table 1: The comparative effects of single dose and double doses of [PGF.sub.2][alpha] injection for estrus induction in Gir cows Sl.