Qualitative investigation of estrogens and testosterone of bull semen.
D000818:Animals; D002417:Cattle; D004967:Estrogens / Q000032:analysis*; D008297:Male; D012661:Semen; D013739:Testosterone / Q000032:analysis*
D004967:Estrogens; D013739:Testosterone
ESTROGENS/determination; SEMEN; TESTOSTERONE/determination