Masoud MOSTASHARI-MOHASES, Ali Asghar, Jafar AHMADI, Saeid ESMAEILKHANIAN. Effect of Betaine Supplementation on Performance Parameters, Betaine-homocysteine S-methyltransferase Gene Expression in Broiler Chickens Consume Drinking Water with Different Total Dissolved Solids. Kafkas Univ Vet Fak Derg, 23 (4): 563-569, 2017. DOI: 10.9775/kvfd.2016.17289