Manafi,M , , Mohebi,F , , Hedayati,M , and Yari,M . "Evaluation of production, biochemical, immunity and antioxidant parameters in Hy-Line W- 36 laying hens fed diets containing growth promoter antibiotic and feed additive mixture", Iranian Journal of animal Science, 49, 1, 2018, 95-112. doi: 10.22059/ijas.2018.140292.653403