Total and partial replacement of corn meal with rice bran in lamb rations: nutritional effects
2020
Abstract The inclusion of rice bran in lamb diets as energetic concentrate has been explored at low levels as it was believed that at high inclusion it might be detrimental for fiber intake and digestibility. Thus, the aim of this study was to evaluate the nutritional effects of partial and total substitution of corn meal with rice bran in lamb diets. Four levels of inclusion of rice bran (0, 7.4, 14.9, and 22.5% of total diet) in substitution to corn meal were evaluated and four Santa Ines castrated male lambs with average body weight (BW ± SD) of 35.3 ± 1.30 kg were used in a 4 × 4 Latin square design experiment. There was no effect of the inclusion level of rice bran on the dry matter and nutrient intakes (P > 0.05), except for fat and non-fiber carbohydrate intakes, which linearly increased and decreased respectively, as rice bran proportion increased in the diet (P 0.05). Therefore, rice bran could be used as an alternative feedstuff to corn meal in lamb diets.
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