Three, multiparous
Holstein crossbred dairy cows in early-lactation with an initial body weight of 380±15 kg
were randomly allocated to 3 dietary treatments of UCM products [T1=urea (control);
T2=urea–CaCl2 mixture product (U–Cal); and T3=urea–CaSO4 mixture product (U–Cas)]
according to a 3×3 Latin square design