Effect of different levels of rice bran on productive performance, economical performance and production index in broiler chicken

Document Type : Research Paper

Authors

1 MSc animal science student, Department of Animal science, Agricultural College, Tarbiat Modares University, Iran

2 Professor, Department of Poultry science, Agricultural College, Tarbiat Modares University, Iran

3 Assistant Professor, Department of Poultry science, Agricultural College, Tarbiat Modares University, Iran

Abstract

This experiment was conducted to study the effect of raw and autoclaved rice bran on performance, economical performance and European efficiency factor in broiler chicks using 420 one day old Ross 308 chicks in a completely randomized design with four treatments and three replicates. Corn-soybean diet was considered as control treatment and diets included 6, 12 and 18% raw and autoclaved rice bran were fed to chicks during 14 to 42 days of age. Along with increase in rice bran to 18%, feed intake and body weight gain were decreased compared with control group (4152 g vs. 4399 g and 1887 g vs. 2272 g, respectively) and feed and protein conversion ratios were increased (2.19 vs. 1.93 and 0.41 vs. 0.36, respectively; P<0.05). The feed cost was decreased significantly (P<0.05) with the use of 18% rice bran compared to control treatment (23243 vs. 27829 Rials). European efficiency factor was decreased due to the use of rice bran (P<0.05). The lowest efficiency factor was for group with 18% rice bran (224) and the greatest was for control group (277). Processing of rice bran had no benefit for improving performance of broilers in comparison with raw rice bran (P<0.05). In general, comparison of the results related to different levels of rice bran indicated that the use of 6% rice bran in broiler diets was recommendable for improving economical efficiency.

Keywords

References

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