草花草替代小麦草通过改变肠微生物群改善牛肉质量
Zimin Gao1, Boshuai Liu1,2,3, Shaokai La1
1Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, 450002, China.
Heliyon
|October 23, 2023
概括
食肉牛高品质的草干草显著改善了平均每日收益和肉质量,因为它积极改变了牛的微生物群. 这增强了以太提取物和有益的脂肪酸成分,为可持续的牛肉生产提供了宝贵的见解.
科学领域:
- 动物科学动物科学
- 鲁门 微生物学
- 肉类科学 肉科学
背景情况:
- 中国不断增长的牛肉消费需要提高牛肉质量的战略.
- 高质量的粗料对于提高牛肉生产效率和质量至关重要.
研究的目的:
- 为了评估不同料品质 (草干与小麦) 对西蒙特尔杂交牛的影响.
- 评估对肉类质量,乳头发酵和微生物群落组成的影响.
主要方法:
- 草干草组 (AHG) 和小麦干草组 (WSG) 的比较,供肉牛食.
- 分析了料摄入量,生长性能,肉类成分和肠微生物种群.
主要成果:
- 草花改善了平均每日料摄入量 (ADFI) 和平均每日取量 (ADG),肉与骨的比例,以及以太提取物 (EE).
- 在AHG中观察到C18:3n3和C20:3n3脂肪酸的水平增加.
- 草的花草养导致了 *Firmicutes* 和特定属的相对丰富度增加,如 *Saccharomonospora* 和 *Streptomyces*,同时减少了 *Bacteroidetes*.
结论:
- 食草干草可以提高肉牛的生长和肉质.
- 饮食中使用的草花粉调节 rumen microbiota,影响脂肪酸概况,并可能改善肉质.
- 研究结果支持在肉牛繁殖中使用草干草,以提高肉质和生产成果.
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