[Fertility parameter for young bulls].
D000818:Animals; D002417:Cattle / Q000033:anatomy & histology*; D005298:Fertility; D008297:Male; D013094:Spermatozoa; D013737:Testis / Q000033:anatomy & histology* / Q000502:physiology
Uber Fruchtbarkeitsparameter beim Jungbullen.