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Anti‐nutritive activity of wheat pentosans in broiler diets
Abstract
1. To assess their possible anti-nutritive activity wheat pentosans were isolated from a milling by-product and added at graded levels to a sorghum-based broiler chicken diet. 2. A water-insoluble pentosan preparation (WIP, 720 g arabinoxylan/kg) caused a depression of apparent metabolisable energy (AME) of 1.63 MJ/kg DM at the highest level of inclusion (41.9 g/kg). Broilers maintained on this diet showed significant growth depression and a decrease in feed conversion efficiency. 3. A water-soluble pentosan preparation (WSP, 520 g arabinoxylan/kg) showed less anti-nutritive activity. 4. In a second experiment the AME of rice (pearled), maize, sorghum, wheat, triticale, barley and rye was determined. The AME values obtained were highly correlated (r = -0.98, P less than 0.001) with the summed levels of pentosans and beta-glucans found in the cereals. 5. It was concluded that the pentosans of wheat possess anti-nutritive activity when present in broiler diets and that similar polysaccharides may influence the nutritive value of other cereals.
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Citations
Cited by
Fiber and nonstarch polysaccharide content and variation in common crops used in broiler diets
Knudsen, K. E. B. (2014) · Poultry Science · doi:10.3382/ps.2014-03902 · Cited by 452
Enzymes for the feed industry: past, present and future
Choct, M. (2006) · World's Poultry Science Journal · doi:10.1079/wps200480 · Cited by 432
Self-citationNon-starch polysaccharides in the diets of young weaned piglets.
Pluske, J. R., Kim, J. C., McDonald, D. E., Pethick, D. W., & Hampson, D. J. (2001) · The weaner pig: nutrition and management. Proceedings of a British Society of Animal Science Occasional Meeting, University of Nottingham, UK, September 2000 · doi:10.1079/9780851995328.0081 · Cited by 44
Metadata
- Authors
- Choct, M., & Annison, G.
- Venue
- British Poultry Science
- Publisher
- Informa UK Limited
- Published
- 1990-12
- Volume
- 31
- Issue
- 4
- Pages
- 811-821
- ISSN
- 0007-1668 (ISSN-L)
- 1466-1799
- OpenAlex
- W2023406355
- Cited by
- 309
- References
- 0
- FWCI
- 13.20
- Type
- journal article
- Language
- en
- Open access
- closed
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