title: A comparison of two methods for boar semen collection.
mesh_terms: D000818:Animals; D002465:Cell Movement; D004542:Ejaculation; D008297:Male; D008722:Methods; D012661:Semen / Q000032:analysis / Q000166:cytology; D013094:Spermatozoa / Q000166:cytology; D013552:Swine / Q000502:physiology*