摄入Ocimum gratissimum的食补充剂可以在高环境温度下改善肉的生长性能和免疫反应
Ping-Hung Lin1, Zheng-Wen Chen1, Jer-Yuh Liu2,3
1Department of Animal Science, National Chiayi University, Chiayi, Taiwan.
Journal of animal science
|June 22, 2023
概括
补充Ocimum gratissimum (OG) 可以改善 brojler的生长,并减少热应激. 这项研究表明,OG可提高高温养的家禽的体重增加,尸体质量和免疫反应.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 环境压力生理学生理学
背景情况:
- 之前的研究表明,Ocimum gratissimum (OG) 在中等温度下提高了的免疫力.
- 高环境温度会导致肉的温和热应激,对生长和健康产生负面影响.
研究的目的:
- 为了研究OG补充剂对高环境温度下的罗斯308肉生长表现,血液特征,肠道发育和免疫反应的影响.
- 评估OG作为料补充剂的潜力,以减轻家禽的热应激.
主要方法:
- 200只1天大的罗斯308肉被分为对照组,3个补充了OG的基础饮食组 (1,3,5g/kg) 和一个阿莫西西林组.
- 评估了生长性能,血尿酸水平,尸体特征,消化系统形态和免疫反应 (血凝结,血凝结抑制,植物血凝结素测试).
主要成果:
- 与对照人群相比,OG补充剂5g/kg显著增加体重 (1742g至1815g/鸟).
- 在OG组3和5g/kg的尿酸水平降低,表明热应激减轻.
- 改善乳腺肌肉比率,减少腹部脂肪,和消化系统尺寸的积极变化观察到与OG补充剂.
- 在所有OG治疗组中,免疫反应升高.
结论:
- 在肉中,Ocimum gratissimum有效地减轻了温和的热应激症状.
- 补充OG可以改善消化器官发育,尸体质量和平均体重增加.
- 在高环境温度条件下,OG是一种有前途的料补充剂,可增强家禽生产.
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