The incorporation of whole grain into pelleted broiler chicken diets. II. Gastrointestinal and digesta characteristics

British Poultry Science
R D Taylor, G P D Jones

Abstract

1. Pelleted diets, incorporating whole or ground wheat or barley in the pellets, were fed to broiler chickens and the performance, gastrointestinal development and digesta characteristics of those chickens recorded. 2. Body weight was similar with whole grain incorporation or enzyme application. Food conversion efficiency was improved by addition of enzyme to a full wheat diet. 3. Whole grain inclusion in pellets reduced proventriculus proportional mass and increased gizzard proportional mass with no apparent effects of exogenous feed enzyme addition. 4. Relative ileal mass was reduced by enzyme inclusion in a wheat diet and by inclusion of whole barley in the pellets. 5. Digesta viscosity was increased by whole wheat inclusion but reduced by enzyme inclusion irrespective of grain processing. Inclusion of 200 g/kg of barley did not alter viscosity of digesta beyond the duodenum. 6. Fresh excreta pH was higher with both cereals in the grower phase when whole grain was fed. On the barley diet, this was affected by enzyme addition, which created higher pH from a point earlier in the grower phase than when no enzyme was employed. 7. Evidence of a complex interaction between higher viscosity and pH being involved in differences in i...Continue Reading

References

Jul 1, 1989·The British Journal of Nutrition·D Pettersson, P Aman
Jul 1, 1982·Poultry Science·G E Duke
Sep 4, 1999·British Poultry Science·S T PetersenM R Bedford
Dec 29, 2000·British Poultry Science·L WaldenstedtA Uggla
Jan 29, 2002·British Poultry Science·S Steenfeldt

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Citations

Oct 20, 2006·British Poultry Science·E DelezieE Decuypere
Nov 23, 2007·Archives of Animal Nutrition·Habib Ur RehmanJürgen Zentek
Mar 10, 2011·Journal of the Science of Food and Agriculture·Sarah M BrejnholtHenrik Brinch-Pedersen
Jul 6, 2014·Polish Journal of Veterinary Sciences·B TykałowskiA Koncicki
Dec 18, 2012·Journal of Animal Science·H de VerdalA Narcy
Jul 31, 2021·Poultry Science·Maria Camila Alfaro-WisaquilloViviana San Martin
Mar 27, 2018·Journal of Agricultural and Food Chemistry·Claus Krogh MadsenHenrik Brinch-Pedersen
Sep 24, 2008·Poultry Science·M Yegani, D R Korver

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