在小中托芬的免疫调节和抗氧化特性
Mahmoud Ghazaghi1, Morteza Asghari-Moghadam1, Mehran Mehri1
1Department of Animal Sciences, Faculty of Agriculture, University of Zabol, 98661-5538, Iran.
Heliyon
|April 24, 2024
概括
在小的食托补充剂对血液变量,免疫力和肉质有积极的影响. 通过剂量反应测定确定最佳水平,增强增长和健康超出目前的建议.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 生物化学 生物化学
背景情况:
- 食托 (Trp) 是一种必需的氨基酸,对禽类的蛋白质合成和生理功能至关重要.
- 了解最佳的Trp水平对于改善的健康,免疫力和肉质特征至关重要.
- 之前的建议可能无法完全解决成长中的的复杂生理反应.
研究的目的:
- 为了确定食托对血液变量,免疫状态和小肉质量的剂量反应影响.
- 确定最佳的饮食Trp水平,以提高特定的生理和肉质量参数.
- 将最佳的Trp水平与已确定的营养指南进行比较.
主要方法:
- 一项剂量反应测定涉及420只的小,食的饮食中Trp含量在2.12~2.90g/kg之间.
- 分析血液变量 (尿酸,白蛋白,甘油三,AST),免疫标记物 (Fabricius的体重,IgG,SRBC反应) 和肉质量 (WHC,滴失,MDA).
- 统计建模,包括模型准确度指数 (δ) 和主要组件分析,以确定最佳的Trp水平和关键响应关联.
主要成果:
- 随着饮食Trp的增加,尿酸和甘油三等血液变量下降,而AST,Fabricius重量,IgG和SRBC反应的增加.
- 肉类质量指标,包括持水能力和抗原产量,随着Trp水平的提高而有所改善,而甲和滴水损失则下降.
- 对各种参数的最佳饮食Trp水平在2.247至2.738g/kg之间,其中2.738g/kg被认为是整体特征优化的最佳水平.
结论:
- 饮食中的托显著影响了小的血液参数,免疫功能和肉质.
- 子的最佳饮食Trp水平高于NRC (1994) 的建议,这表明需要更新营养指南.
- 补充TRP是一种可行的策略,可以提高生产效率和产品质量.
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