The digestion of wheat starch in broiler chickens
- 1 January 1987
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Agricultural Research
- Vol. 38 (3) , 639-649
- https://doi.org/10.1071/ar9870639
Abstract
Apparent metabolizable energy (AME) of wheat for 6-week-old male broiler chickens was highly correlated with starch digestibility when pelleted diets containing 820 g wheat per kg were fed. Starch isolated from low-AME wheats was hydrolysed in vitro by chicken pancreatic amylase as rapidly as starch from high-AME wheats. When included in semi-purified diets the isolated starches were completely digestible. Digestibility of starch was poor and highly variable when 3-week-old chickens were fed unpelleted wheat diets, but improved with age. Oat hulls improved the digestibility of starch in young chickens fed unpelleted diets.Keywords
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