estrus

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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 ?
Effects of breed and progestin source on estrus synchronization and rates of fertility and fecundity in Iranian Sanjabi and Lori ewes.
Jaeger JR, Whittier JC, Corah LR, Meiske JC, Olson KC, Patterson DJ (1992) Reproductive response of yearling beef heifers to a melengestrol acetate-prostaglandin F2[alfa] estrus synchronization system.
Effect of gonadotropin-releasing hormone or prostaglandin F (2[alpha])-based estrus synchronization programs for first or subsequent artificial insemination in lactating dairy cows.
The use of progesterone-supplemented Co-synch and Ovsynch for estrus synchronization and fixed-time insemination in nulliparous Saanen goat.
For estrus synchronization, a controlled internal drug release (CIDR) dispenser was inserted (D0; 0800 to 0900 h) for 14 days (D14; 0800 to 0900 h) and a single injection of 125 [micro]g prostaglandin F2[alpha] (PGF2[alpha]) (Estrumate; Intervet International B.V Boxmeer, The Netherlands) was administered intramuscularly 1 day before starting the pFSH treatment (D11).
Adaptation of eCG (equine chorionic gonadotrophin) dose for estrus synchronization of dairy goats raised in Northeast Brazil: preliminary results.
Freitas VJF, Baril G, Bosc M, Saumande J (1996) The influence of ovarian status on response to estrus synchronization treatment in dairy goats during breeding season.
It is concluded that CIDR-based estrus synchronization protocol improves the reproductive efficiency of non-descript cows during the low and peak breeding seasons.
Therefore, the purpose of the current experiment was to conduct the qualitative and quantitative analysis of bacteria from vaginitis associated with the use of different intravaginal implants in ewes subjected to estrus synchronization.