title: Postpuberal changes in semen production of Charolais bulls ejaculated at high frequency and the relation between testicular measurements and sperm output.
mesh_terms: D000367:Age Factors; D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000254:growth & development / Q000502:physiology*; D002452:Cell Count; D004542:Ejaculation; D008297:Male; D012611:Scrotum / Q000033:anatomy & histology; D012661:Semen / Q000166:cytology; D013081:Sperm Motility; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000033:anatomy & histology / Q000254:growth & development*