BÜLBÜL A, BÜLBÜL T, KÜÇÜKERSAN S, ŞİRELİ M, ERYAVUZ A. Effects of dietary supplementation of organic and inorganic Zn, Cu and Mn oxidant/antioxidant balance in laying hens. Kafkas Univ Vet Fak Derg, 14 (1): 19-24, 2008. DOI: 10.9775/kvfd.2007.36-A