用 Capsicum annuum 提取物进行饮食干预对尼罗河鱼生长表现,生理状态,先天免疫反应和相关基因表达的影响
Rowida E Ibrahim1, Nasreddin R Rhouma2, Mohamed A Elbealy3
1Department of Aquatic Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, PO Box 44511, Zagazig, Sharkia, Egypt.
概括
红胡提取物 (CAE) 补充剂增强了尼罗河的生长,免疫力和抗病能力. 该研究推1.6g/kg的CAE,以实现Oreochromis niloticus的最佳生长和健康.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 鱼类营养 鱼类营养
- 免疫学 免疫学 免疫学
背景情况:
- 红胡 (Capsicum annuum) 具有生物学和药理学的特性.
- 水产养殖中的食补充对鱼类生长和健康至关重要.
研究的目的:
- 评估Capsicum annuum酒精提取物 (CAE) 对尼罗河鱼 (Oreochromis niloticus) 的影响.
- 评估CAE对生长表现,生理状态,基因表达和抗病能力的影响.
主要方法:
- 尼罗河鱼在60天的时间里被食,并补充了CAE在不同水平 (0,0.4,0.8,1.6g/kg) 的饮食.
- 分析了生长性能,料利用率,酶活动,激素水平,基因表达,免疫参数和对Streptococcus agalactiae的耐药性.
主要成果:
- 补充CAE可以改善生长,料利用率,消化酶活性和生长激素水平.
- CAA调节了运输体,生长 (IGF-1,肌态素),免疫 (介质蛋白) 和抗氧化剂基因的表达.
- CAE增强了先天免疫力,抗氧化能力,并显著降低了对S. agalactiae感染的死亡率.
结论:
- 食Capsicum annuum酒精提取物 (CAE) 补充剂可以增强尼罗河鱼的生长,生理状态和免疫功能.
- CAE调节参与生长,新陈代谢和免疫的关键调节基因.
- 建议饮食水平为1.6g/kgCAE,以实现尼罗河鱼的最佳生长和健康.
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