Performance and ileal amino acid digestibility in broilers fed diets containing solid-state fermented and enzyme-supplemented canola meals

被引:7
|
作者
Olukomaiya, Oladapo Oluwaseye [1 ]
Pan, Liyi [3 ]
Zhang, Dagong [3 ]
Mereddy, Ram [2 ]
Sultanbawa, Yasmina [1 ]
Li, Xiuhua [3 ]
机构
[1] Univ Queensland, Ctr Nutr & Food Sci, Queensland Alliance Agr & Food Innovat QAAFI, Brisbane, Qld 4108, Australia
[2] Queensland Dept Agr & Fisheries, Brisbane, Qld 4108, Australia
[3] Univ Queensland, Sch Agr & Food Sci, Gatton, Qld 4343, Australia
关键词
Canola meal; Broilers; Performance; Solid-state fermented canola meal; Ileal digestibility; Feed enzymes; APPARENT METABOLIZABLE ENERGY; WHEAT-BASED DIETS; GROWTH-PERFORMANCE; NUTRIENT DIGESTIBILITY; SOYBEAN-MEAL; INTESTINAL MORPHOLOGY; XYLANASE SUPPLEMENTATION; GASTROINTESTINAL-TRACT; FUNCTIONAL-PROPERTIES; PROTEIN-UTILIZATION;
D O I
10.1016/j.anifeedsci.2021.114876
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Two experiments were conducted to determine the performance and ileal amino acid digestibility in growing male broilers fed diets containing solid-state fermented canola meal (SSFCM) and enzyme-supplemented canola meal (CM). In experiment 1 (performance trial), a total of 300-dayold Ross 308 male broiler chicks were allotted to six dietary treatments with five replicate pens of 10 birds each. Diet 1 was based on corn-soybean meal (SBM) as reference, diets 2 and 3 contained 300 g/kg CM and 300 g/kg SSFCM, respectively. Diet 4 contained 300 g/kg CM + phytase (PHY). Diet 5 contained 300 g/kg CM + xylanase (XYL). Diet 6 contained 300 g/kg CM + PHY + XYL. PHY at 500 FTU/kg and XYL at 1000 U/kg were added to the respective diets. During the experimental period (1?21 d), birds fed SBM and SSFCM diets recorded improved FI (p < 0.05). Broilers fed CM diet with enzyme supplementation had improved FCR compared to SSFCM diet. In experiment 2 (digestibility trial), a total of 240-twenty-one-day-old Ross 308 male broiler chicks were assigned to six dietary treatments with five replicate cages of eight birds each. Diet 1 was based on SBM, diets 2 and 3 contained 400 g/kg CM and 400 g/kg SSFCM, respectively. Diet 4 contained 400 g/kg CM + PHY. Diet 5 contained 400 g/kg CM + XYL. Diet 6 contained 400 g/ kg CM + PHY + XYL. The inclusion of SSFCM and enzyme-supplemented CM in diets did not improve the apparent ileal digestibility (AID) of amino acids. The AID of calcium (Ca) was highest (p < 0.05) in SBM, CM and SSFCM. The AID of phosphorus (P) was increased (p < 0.05) in SBM and CM + PHY. Ca retention was higher (p < 0.05) in SSFCM and CM + PHY + XYL. Feeding SBM, SSFCM, CM + PHY and CM + PHY + XYL diets enhanced P retention. Further studies are required to establish the practical and nutritional implication of SSFCM on performance and ileal amino acid digestibility in broilers.
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页数:10
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