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优化家禽生长和肉质量:瓜尼迪诺酸补充剂对黄色羽毛肉的影响

Jian Xiao¹, Lifen Wang¹, Yuguang Chen¹

¹Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.

Veterinary sciences

|June 25, 2025

概括

食补充瓜尼迪诺酸 (GAA) 改善了 brojler 的生长和肉质,900 mg/kg 显示最佳效益. 较高剂量增强了肠道形态,但引起了肝脏压力的担忧,这需要进一步的安全研究.

科学领域:

动物科学动物科学
禽类营养养禽类营养
瓜尼迪诺酸酸研究研究

背景情况:

食补充剂对于优化家禽生产至关重要.
瓜尼迪诺酸 (GAA) 是一种肌酸前体,对牲畜有潜在的益处.
了解GAA对黄羽肉的影响对于改善料策略至关重要.

研究的目的:

评估不同饮食中瓜尼迪诺酸 (GAA) 水平对黄羽肉的影响.
确定最佳的GAA剂量,以提高生长性能,尸体特征和肉质.
评估GAA对肠道形态和肠道微生物群的影响.

主要方法:

360只一天大的黄羽毛肉被随机分配到五个饮食组 (0,300,600,900,1200毫克/公斤GAA).
分析了生长表现 (平均每日增长,料转换比率),尸体特征,肉质 (pH),肠道形态 (维卢斯高度,密室深度) 和部微生物群.
使用ANOVA (p > 0.05) 确定统计意义.

主要成果:

300-900毫克/公斤的GAA补充剂增加了平均每日增益和降低了料转换率,尽管并不总是统计学上显著的.
较高的GAA水平 (900和1200毫克/公斤) 改善了乳腺肌肉的pH值,并显著增强了肠道屏障功能 (小的高度,小与密室的比率).
剂量为1200mg/kg的GAA导致血清ALT水平升高,表明潜在的肝脏压力.

结论:

饮食中的GAA补充剂对肉生长和肉质有积极的影响,900 mg/kg似乎是最佳剂量.
GAA增强了肠道形态和屏障功能,有助于改善整体健康.
需要进一步的研究来证实长期的安全性,并阐明GAA在肉中的作用机制.

关键词:

增长表现成绩增长的表现.瓜尼迪诺酸乙酸的使用方法肉质肉质肉质肉质屠宰表现屠宰表现屠宰表现黄色羽毛的 brojlers 肉肉是什么意思

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