mostly black first calf pairs! Calves have had Alpha 7, EndoVac Beef, poured & Vita-Charge; cut w/ knife (320#). Mom's are poured & ViraShield 6 VL5 and exposed to a super Black Angus bull since June 2. Nice! Tame...on Vita-Ferm mineral/ protein and grass . PLZ call (785) six73-9six22 no messaging here-THX 'n God bless you!