Variation among boars in semen characteristics and fertility.
D000818:Animals; D002465:Cell Movement; D004542:Ejaculation; D005260:Female; D005298:Fertility; D006863:Hydrogen-Ion Concentration; D008297:Male; D010101:Oxygen Consumption; D012661:Semen / Q000032:analysis* / Q000378:metabolism; D013094:Spermatozoa / Q000166:cytology; D013552:Swine / Q000502:physiology*