عنوان مقاله [English]
This study was conducted to evaluate the effect of different levels of rice bran on performance of laying hens. Experiment was done on two hundred and fifty six laying hens in a completely randomized design with four treatments and four replications during 8 weeks. Egg production mean and egg weight were weighted daily. Egg mass production and used diet weight were also weighted weekly. Treatments were the levels of rice bran Inclusion including, 0, 5, 7.5 and 10 percent. Result showed that performance of laying hens was not significantly affected by inclusion of rice bran up to 7.5 percent, whereas egg production, egg mass and feed conversion were negatively affected by 10 percent of rice bran. Egg quality was not significantly affected by inclusion of different levels of rice bran in laying hens diet. It was concluded that, rice bran can be used as an alternative feedstuff in diet at inclusion levels up to 7.5 percent without negative effect on laying hens performance and egg quality.