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The meeting of individuals for sexual reproduction.



the coupling of agricultural animals, a means of natural insemination of dams by sires. Mating takes place when the female is in heat. Animals are allowed to mate for the first time when they reach sexual maturity: stallions and mares at the age of three years, bulls and cows at 15 to 18 months, rams and ewes at 12 to 18 months, and boars and sows at ten to 12 months. Animals of early-maturing breeds are mated somewhat earlier than those of late-maturing breeds.

There are several types of mating. Voluntary coupling takes place in herds in which the males and females are kept together at pasture or in pens. Selective mating takes place when males kept separately from the females are paired with certain designated females. This type of mating makes possible selection, increased breeding use of the sire, and the obtaining of offspring during specific periods of the year. In animal breeding, natural mating is replaced by artificial insemination, a more efficient method of insemination.

References in periodicals archive ?
Cues for mate recognition and the effect of prior experience on mate recognition in Enallagma damselflies.
Substantial population variation in mate recognition signals has also been found in other taxa.
Although we have documented spatial variation in a mate recognition trait in some detail, this study leaves open the question of how this variation influences female phonotaxis as well as the roles of selection, drift, and morphological constraints in generating this variation.
Signal redundancy and receiver permissiveness in acoustic mate recognition by the tungara frog, Physalaemus pustulosus.
(2009) found that distance sex pheromones are involved in asymmetric mate recognition. Distance pheromones are thought to be responsible for precopulatory behaviors in L.
Pheromones, mate recognition and courtship stimulation in the Drosophila melanogaster species subgroup.
Natural selection and the reinforcement of mate recognition. Science 20:519-521.
Thus we define mate recognition as a behavioral response indicating that one individual considers another an appropriate mate, even if mistakenly.
Mate recognition and mate preference can result from an interaction between variation in signals and responses to signal variation, which can be represented as preference functions.
The specific mate recognition and sexual selection hypotheses represent further alternative explanations of genitalic evolution.
Mate recognition and mechanical isolation in Enallagma damselflies (Odonata: Coenagrionidae).