Four groups of crossbred (Jersey, Holstein Friesen, Brown Swiss and Ayrshire) calves were weaned at 2,3, 4 and 6 months of age. The treatments to all groups till the weaning were same. First puberty wereobserved in group at the age of 10 15 ± 1.2 months with a body weight 135 ± 12.6 kg. Maximum bodyweight 195.3 ± 10.2 was found in group C at the age of 12.33 ± 0.3 months.

Four groups of crossbred (Jersey, Holstein Friesen, Brown Swiss and Ayrshire) calves were weaned at 2,3, 4 and 6 months of age. The treatments to all groups till the weaning were same. First puberty wereobserved in group at the age of 10 15 ± 1.2 months with a body weight 135 ± 12.6 kg. Maximum bodyweight 195.3 ± 10.2 was found in group C at the age of 12.33 ± 0.3 months.