S. A. AMRUTKAR, S. P. PAWAR, S. S. THAKUR, N. KEWALRAMANI, and J. KAUR, “Effect of pre-partum supplementation of rumen protected methionine plus lysine and choline on the performance of crossbred cows”, Indian J of Anim Sci, vol. 86, no. 1, pp. 65–69, Jan. 2016, doi: 10.56093/ijans.v86i1.55022.