MISHRA A, VERMA AK, DAS A, SINGH P, CHAUDHARY SK, MUNDE VK. Effect of dietary betaine supplementation on production and reproductive performance, milk composition and serum antioxidant profile in gestating sows. Indian J of Anim Sci. 2019;89(3):246–250. doi:10.56093/ijans.v89i3.88034