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  • Title: Effect of oat hulls on performance, gut capacity and feed passage time in broiler chickens.
    Author: Hetland H, Svihus B.
    Journal: Br Poult Sci; 2001 Jul; 42(3):354-61. PubMed ID: 11469556.
    Abstract:
    1. Two experiments were conducted to study effects of oat hulls and their interaction with soluble fibre in broiler chickens. 2. In experiment 1, wheat or naked oats based diets with or without NSP-degrading enzymes were mixed with 0, 40 or 100 g/kg oat hulls which replaced a maize starch/soy isolate mixture, and the diets were fed to broiler chickens from 7-21 d of age. 3. Production results, AMEn determined between 14 and 16 d of age, and ileal digestibility indicated no negative effect of oat hulls on nutrient digestibility or weight gain. 4. Feed consumption increased significantly when oat hulls were included in the diet and relative gut weight increased correspondingly (P<0.05). 5. No interaction effects were found between soluble and insoluble fibres, except for a possible effect on starch digestibility in wheat diets. 6. In experiment 2, mash diets were fed unsupplemented, or were supplemented with coarsely or finely ground oat hulls which replaced a maize starch/soy isolate mixture. 7. Faecal titanium dioxide excreted between 1 and 48 h after feeding of a gelatin capsule containing titanium dioxide, was used to calculate feed passage time. 8. There was a tendency (P=0.08) for faster feed passage with inclusion of coarsely ground oat hulls, but no effect of finely ground oat hulls was found.
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