The conception rate of ewes after artificial insemination at different times during oestrus.
D000818:Animals; D004971:Estrus; D005260:Female; D005306:Fertilization; D007315:Insemination, Artificial; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D012621:Seasons; D012756:Sheep; D013997:Time Factors