Gita KHAKRAN, Mohammad CHAMANI, Farhad FOROUDI, Ali Asghar, Mehdi Amin. Effect of Guanidine Acetic Acid addition to Corn-Soybean Meal Based Diets on Productive Performance, Blood Biochemical Parameters and Reproductive Hormones of Laying Hens. Kafkas Univ Vet Fak Derg, 24 (1): 99-105, 2018. DOI: 10.9775/kvfd.2017.18407