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Three hundred and sixty numbers of day old desi chicks were randomly divided into six treatment groups with three replicates of 20 chicks each per group. Out of 180 desi chicks were reared under deep litter system and remaining 180 chicks were reared under cage system. The experimental birds were fed with three different levels of dietary crude protein (18, 20 and 22 per cent) with an isocaloric feed of 2800 Kcal ME / kg and potable water given ad libitum. | Effect of rearing systems on growth performance and carcass characteristics of Desi chicken