Mating behaviour of ewes and its effect on mating efficiency.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001565:Benzoates / Q000494:pharmacology; D004777:Environment; D004958:Estradiol / Q000494:pharmacology; D004971:Estrus; D005260:Female; D008297:Male; D010507:Periodicity; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons; D012756:Sheep
D001565:Benzoates; D004958:Estradiol