料乳化剂在没有抗生素增长促进剂的 brojler chicken 养饮食中改善了性能和营养消化能力
S V Rama Rao1, K Nagaraja Kumari2, M V L N Raju1
1Nutrition Laboratory, ICAR - Directorate of Poultry Research, Rajendranagar, India.
British poultry science
|August 23, 2023
概括
用乳化剂补充肉的食,没有抗生素增长促进剂 (AGP),改善了体重增加和料转换比率 (FCR). 这些结果与抗生素增长促进剂所取得的结果相似,表明营养利用率提高.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 肠道健康 肠道健康
背景情况:
- 抗生素增长促进剂 (AGP) 常用于肉饮食,以提高性能.
- 由于对抗生素耐药性的担忧,对AGP的有效替代品的需求越来越大.
- 乳化剂是潜在的料添加剂,可以影响营养消化和肠道功能.
研究的目的:
- 评估不同度的乳化剂补充剂在没有AGP的 brojiler饮食中的有效性.
- 评估乳化剂对生产性能,肠道微生物数量和营养素消化能力的影响.
- 为了比较乳化剂与常规AGP (乙甲酸乙酸盐-BMD) 的作用.
主要方法:
- 1500只雄性肉被随机分配到六个饮食组:负控制 (NC),正控制 (PC) 与BMD,以及四个具有不同乳化剂补充水平的组.
- 饮食的基础是玉米-大豆和肉与骨面粉.
- 体重增加 (BWG),料转化率 (FCR),尸体特征和便微生物计数在第43天被评估.
- 评估了 (N) 和能量消化能力.
主要成果:
- 与其他治疗组相比,以250:250:500和250:500:500克/的乳化剂补充剂显著改善了BWG,降低了FCR.
- 体特征和便微生物计数在治疗方法之间没有显著差异.
- 与NC相比,BMD补充剂显著改善了N的消化能力.
- 乳化剂组显示了与BMD组相似的N消化能力,除了500-All组.
结论:
- 在没有AGP的 brojiler饮食中补充乳化剂 (250:250:500或250:500:500g/) 可以显著提高FCR和BWG.
- 性能改进与使用AGP (BMD) 实现的性能改进相当.
- 这些好处与和能量的体消化能力增加有关,这表明乳化剂是AGPs的可行的替代品.
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