JANECZEK M, KORCZYNSKI M, BASINSKA K, PECKA E, CHOJNACKA K, CHROSZCZ A, CZERSKI A, TOKER NY. Effect of Dietary Zinc (II) Chelate Complex and Zinc (II) Enriched Soybean Meal on Selected Parameters of in vivo Caecal Fermentation in Laying Hens (Lohman Brown). Kafkas Univ Vet Fak Derg,  21 (1):  49-54,  2015. DOI: 10.9775/kvfd.2014.11679