Eyup Eren GULTEPE, Aamir IQBAL, Ibrahim Sadi CETINGUL, Cangir UYARLAR, Umit OZCINAR, Ismail BAYRAM. Effect of Myrtus communis L. Plant Extract as a Drinking Water Supplement on Performance, Some Blood Parameters, Egg Quality and Immune Response of Older Laying Hens. Kafkas Univ Vet Fak Derg,  26 (1):  9-16,  2020. DOI: 10.9775/kvfd.2019.22058