The effect of the presence of a ram on the time of ovulation in ewes.
D000818:Animals; D004971:Estrus; D005260:Female; D007273:Injections, Intramuscular / Q000662:veterinary; D007986:Luteinizing Hormone / Q000378:metabolism; D008297:Male; D010053:Ovary / Q000378:metabolism; D010060:Ovulation; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage; D012726:Sexual Behavior, Animal; D012756:Sheep / Q000502:physiology*; D013997:Time Factors
D011374:Progesterone; D007986:Luteinizing Hormone