title: Reproductive physiology of the stallion. II. Daily production and output of sperm.
mesh_terms: D000818:Animals; D002465:Cell Movement; D002467:Cell Nucleus; D004542:Ejaculation; D006736:Horses / Q000502:physiology*; D008297:Male; D012661:Semen / Q000166:cytology; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology / Q000648:ultrastructure; D013737:Testis / Q000166:cytology; D013997:Time Factors