methods2.1. Animals, feeding and managementTwenty-one Black Bengal male goat (Capra hircus) kids (4–6 months, 6.71 ± 0.49 kg body weight) were divided into threegroups of seven animals each on the basis of their body weight (BW). To correct for variation in the body weight in the threegroups, initially all the animals were arranged in the ascending order of their body weights and divided into seven blocks ofsize three each. Then, one animal from each block was randomly placed in either group T1, T2 or T3.