Artificial insemination in the equine. A comparison of natural breeding and artificial insemination of mares using semen from six stallions.
D000818:Animals; D001947:Breeding; D005260:Female; D005306:Fertilization; D006736:Horses / Q000502:physiology*; D007315:Insemination, Artificial; D008297:Male; D012661:Semen