发酵甜残留物对肉肉的营养消化能力,肉质和肠道微生物的影响
Ting Yao1,2, Chenyu Wang1,3, Lifen Liang4
1Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China.
Animal nutrition (Zhongguo xu mu shou yi xue hui)
|May 13, 2024
概括
在取代玉米时,发酵甜残留物 (FSPR) 改善了 brojler 肉质量和肠道健康. 补充8-10%的FSPR提高了屠宰性能,肉类特性和有益的肠道微生物,表明其在家禽饮食中的潜力.
科学领域:
- 动物营养和料科学 动物营养和料科学
- 禽畜科学 禽畜科学 禽畜科学
- 微生物学 微生物学
背景情况:
- 玉米和大豆粉是 brojlers的主要料成分.
- 探索替代料成分,如发酵甜残留物 (FSPR),对于可持续的家禽生产至关重要.
- 了解FSPR对营养消化能力,肉质和肠道微生物群的影响至关重要.
研究的目的:
- 为了评估饮食发酵甜残留物 (FSPR) 作为玉米替代品对 brojler 的性能的影响.
- 评估FSPR对黄色羽毛 brojlers的营养消化能力,肉质和肠道微生物组成的影响.
- 确定FSPR的最佳含量水平,以改善肉的健康和肉类特性.
主要方法:
- 实验1:在发酵前和后,评估甜残留物在不同比例 (70-100%) 的营养成分和消化能力.
- 实验2:给420只肉牛食用0.5%,8%或10%的FSPR代替玉米的饮食70天.
- 评估了营养消化能力,生长性能,肉质,血清免疫参数和肠道微生物群组成 (香农指数,特定细菌丰度).
主要成果:
- 发酵70%的甜残留物表现出优越的营养价值和消化能力.
- 饮食FSPR (8-10%) 改善了屠宰率,肉色,并减少了损失,而不影响生长性能或肠道形态.
- 补充FSPR增加了血清免疫球蛋白 (IgM,IgG) 和调节了肠道微生物群,有利于Ruminococcaceae和Romboutsia等有益细菌,同时减少了Sutterella和Megamonas.
结论:
- 发酵的甜残留物 (70%) 显示出出色的营养特性和消化能力.
- 加入8-10%的FSPR作为玉米替代品可以提高 brojiler屠宰性能,肉质和肠道微生物平衡.
- 作为一种可持续的替代成分,FSPR具有显著的潜力,可以改善 brojiler肉质量和肠道健康.
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