1. Aasiwal DK, Meena BS, Mahesh MS, Sharma K, Lalremuta C (2015) Yield and composition at various stages of lactation and parity in Jersey cows. J Anim Res 5:15–20
2. AFRC (1993) Energy and protein requirements of ruminants. Agricultural and Food Research Council, CAB International, Wallingford
3. Ahmed Z, Khan SA, Nawaz M, Shamim A, Waqas M, Mohi-uddin I, Ahmed I, Kuthu ZH, Rasool F (2017) Effect of slow release urea supplementation (optigen®) on the production performance of Kaghani Sheep. Adv Anim Vet Sci 5:155–159. https://doi.org/10.14737/journal.aavs/2017/5.4.155.159
4. Amrutkar SA, Pawar SP, Thakur SS, Kewalramani NJ, Mahesh MS (2015) Dietary supplementation of rumen-protected methionine, lysine and choline improves lactation performance and blood metabolic profile of Karan-Fries cows. Agric Res 4:396–404
5. AOAC (2005) Official methods of analysis, 18th rev. ed. Association of Official Analytical Chemists International, Gaithersburg