添加乳化剂对肉仔鸡日粮代谢能降低的影响

IF 0.4 Q4 Veterinary
Marcus Vinicius Morais de Oliveira, N. Leandro, M. Café, R. R. Santos, D. Jacob, M. Pires
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引用次数: 0

摘要

摘要本试验旨在评价在代谢能水平降低的肉仔鸡饲粮中添加大豆卵磷脂乳化剂(SL)的效果,探讨其与营养物质代谢系数的关系,并确定表观代谢能(AME)。2项代谢试验采用完全随机设计,采用3x2因子安排(饲粮中添加或不添加乳化剂,代谢能水平分别为3个水平),共6个处理。初始阶段分别饲喂代谢能为2950、3050和3150千卡/千克的饲粮,每组6个重复,每组10只,共360只。在生长阶段,分别对210只鸡进行了3100、3150和3200千卡/kg饲粮能量水平的试验,每组7个重复,每组5只鸡。在发酵期观察到互作效应,随着乳化剂添加量的降低,氮代谢系数增加。此外,乳化剂包裹体增加了氮校正AME (AMEn)。在生长阶段也存在互作效应,当乳化剂添加到较低能量水平的饲料中时,AME和AMEn增加。综上所述,在肉鸡饲粮中添加乳化剂可以降低肉仔鸡的代谢能,同时提高发酵期和生长期的AMEn,以及生长期肉鸡的AME。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of emulsifier addition on metabolizable energy reduction in broiler diets
Abstract This study aimed to evaluate the effect of including soy lecithin emulsifier (SL) in broiler diets with reduced metabolizable energy levels and to correlate it with nutrient metabolizability coefficients, as well as to determine apparent metabolizable energy (AME). Two metabolic trials were conducted in a completely randomized design with a 3x2 factorial arrangement (diet with three levels of metabolizable energy, with or without the inclusion of emulsifier), totaling six treatments. In the starter phase, chicks received diets with 2,950, 3,050, and 3,150 kcal/kg of metabolizable energy, with six replications of 10 birds each, totaling 360 birds. In the grower phase, the energy levels of 3,100, 3,150, and 3,200 kcal/kg of feed were tested in 210 birds were used in seven replications of five chicks each. An interaction effect was observed in the starter phase, with the nitrogen metabolizability coefficient increasing when the emulsifier was added to diets with reduced energy. Additionally, emulsifier inclusion increased nitrogen-corrected AME (AMEn). An interaction effect was also present in the grower phase, with AME and AMEn increasing when the emulsifier was added to diets with lower energy levels. In summary, emulsifier inclusion in broiler diets can reduce metabolizable energy while improving AMEn in both the starter and grower phases, as well as AME in growing broilers.
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来源期刊
Ciencia Animal Brasileira
Ciencia Animal Brasileira Veterinary-Veterinary (all)
CiteScore
0.50
自引率
0.00%
发文量
44
审稿时长
28 weeks
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