Mating


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mating

[′mād·iŋ]
(biology)
The meeting of individuals for sexual reproduction.

Mating

 

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 ?
The researchers point out that for stingless bees to evolve from single mating to multiple mating, with 4 or more males, there would need to be an intermediate stage of double mating.
There was no significant difference in the total number of eggs laid per female under single mate (single mating), single mate (multiple mating) and 2 mates (multiple mating) treatments.
The most likely reason for the changes in mating behaviour is that males put more effort into mating when they expect to face competition and when there is a high chance that their mate will mate again with another male.
The seminal receptacle is known to be the storage site for exogenous sperm received during mating (allosperm) (Beeman, 1970: Hadfield and Switzer-Dunlap, 1984).
First, males almost inevitably refuse to mate again on the day following a mating (no observations in this study and only rare instances in other observations: D.
Fireflies devote most of their two-week-long adult life to courtship and mating. Males use light flashes to announce their availability to mate, and females flash back if they're interested.
The finding of this isolate provides evidence of the pathogenic role of this rare mating type, emphasizes the critical function of molecular genetic tools in the characterization of C.
Why do males guard their females for so long before mating? Were rival males a threat?
The connectors' unique floating front end tilts and shifts during mating to accommodate axial and radial misalignment between the mating pairs.
This mating call attracts males, which then fight brutally with each other.
First, mathematical analysis confirmed Fisher's (1930) intuitive argument that disadvantageous male traits can evolve, provided the disadvantages for survival are balanced by advantages in mating as a result of female preferences.