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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 ?
As with Mating I, mating behavior was observed on both the first and last day of the trials.
Couples were formed and carefully sampled in plastic recipients (1 L capacity) with 1/3 of its volume filled with soil to observe the mating behavior.
Mating behavior characteristics of mass-reared and sterile insects in a natural environment may be influenced by acclimatization to outdoor conditions (Pereira et al.
The seasonality of these apparent courting and mating behaviors in CIBW correspond with reported spring mating seasons for the Arctic populations (Burns and Seaman (6)) as well as captive belugas (Robeck et al.
Nutrition quality, body size and two components of mating behavior in Drosophila melanogaster.
The observation that 2 female Sage-Grouse mated multiple times in a single morning suggests that the mating behavior of lekking species is more complicated than previously reported.
According to this perspective, possession of such "Dark" traits could potentially be both costly and beneficial to individuals, at least as far as mating behavior is concerned (Jonason, Li, & Buss, 2010).
2012) as well as the study first describing male deceptive mating behavior (Plath et al.
This trend further supports the conclusion that intermediate males adopt mating behavior characteristic of large males in the Spring Lake population.
KEY WORDS: crab, mating behavior, sperm storage, Hemigrapsus sanguineus
Then the researchers watched the mating behavior of the insects, and observed that males went after the flies that didn't have pheromones.