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Abstract
Şengül, T., Çetin, M., Söğüt, B. and Yurtseven, S. 2008. Effects of dietary vitamin E levels on egg production traits, fertility and hatching rate in laying partridges. J. Appl. Anim. Res, 34: 77–80.
To determine the effects of different levels of supplemental vitamin E on egg production traits, fertility and hatching rate of laying partridges (Alectoris chukar), total 180 partridges were assigned at random to 4 different treatment groups. The treatment lasted 147 d (March-August) in a window closed and natural ventilated environment. Basal diet was supplemented with vitamin E 30, 45, 60 and 75 mg kg−1 in groups 1 to 4, respectively. Supplemental vitamin E doses improved feed intake, fertility rate and hatching rate.