7Choct M,Hughes R J,Wang J. Increased smal intestinal fermentation is partly responsible for the anti-nutritive activity of non-starch polysaccharides in chickens[J].British Poultry Science,1996,(03):609-621.
8Kim S M,Patel M B,Reddy S J. Ef ects of dif erent cereal-grains in diets for laying hens on production parameters and liver fat-content[J].Poultry Science,1976,(02):520-530.
9Lazaro R,Garcia M,Aranibar M J. Ef ect of enzyme addition to wheat-,barley- and rye-based diets on nutrient digestibility and performance of laying hens[J].British Poultry Science,2003,(02):256-265.doi:10.1080/0007166031000085616.
10Mathlouthi N,Mohamed M A,Larbier M. Ef ect of enzyme prepara-tion containing xylanase and β-glucanase on performance of laying hens fed wheat/barley- or maize/soybean meal-based diets[J].British Poultry Science,2003,(01):60-66.doi:10.1080/0007166031000085374.