SIZMAZ Ö, YILDIZ G, KÖKSAL BH. Effects of Single or Combined Dietary Supplementation of Boric acid and Plant Extract Mixture on Egg Production, Egg Quality and Blood Cholesterolemia in Laying Hens. Kafkas Univ Vet Fak Derg, 20 (4): 599-604, 2014. DOI: 10.9775/kvfd.2014.10678