Estimation of optimum time for insemination of gilts and ewes by double-mating at certain times relative to ovulation.
D000818:Animals; D003307:Copulation; D005260:Female; D005298:Fertility; D007314:Insemination; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D012756:Sheep; D013552:Swine; D013997:Time Factors