Abstract

SUMMARY This study was conducted to evaluate the effects of cage density on laying hen performance, egg quality parameters, blood indices, and excreta mineral concentration. Eighty White Leghorns were housed at 4 cage densities of 2,000, 1,000, 667, and 500 cm2 per hen, corresponding to 1, 2, 3, and 4 hens per cage. Throughout the study, hens were fed a diet containing 2,852 kcal of ME/kg and 18% CP from 35 to 47 wk of age. Hen-day egg production and egg quality parameters were recorded weekly. Blood plasma was also subjected to several biochemical tests. The hens in the treatment having 4 hens per cage had significantly lower (P

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