食铁的来源和水平通过影响炎症,氧化应激和野猪的铁利用水平来影响精液质量
Yinghui Wu1, Yamei Li1, Yueyue Miao1
1Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
Journal of animal science and biotechnology
|July 5, 2024
概括
补充甲氨酸氧化类似物合铁 (MHA-Fe) 通过减少炎症和氧化应激改善了野猪精液质量. 这种饮食方法提高了铁的利用率,而不会导致缺陷,为野猪的生殖健康提供了一个有希望的策略.
科学领域:
- 动物科学动物科学
- 生殖生物学 生殖生物学
- 营养生物化学 营养生物化学
背景情况:
- 猪的饮食中含有过量的铁仍然可能导致贫血,这表明目前的补充铁的策略是不理想的.
- 研究替代铁源和水平对于优化野猪健康和生殖表现至关重要.
研究的目的:
- 评估不同饮食铁来源 (甘氨酸合铁和甲氨酸合铁) 和水平对成年猪的精液质量的影响.
- 评估补充铁对炎症标志物,氧化应激和猪中铁代谢指标的影响.
主要方法:
- 56只野猪被分为五组,在16周内接受不同水平的糖氨酸合铁 (Gly-Fe) 或甲氨酸合铁 (MHA-Fe) 的食.
- 评估的参数包括血清铁,血红蛋白,炎症标志物 (IL-6),氧化应激标志物 (MDA,SOD),铁代谢指标 (黑皮丁,费里丁,转激素受体) 和精液质量参数.
主要成果:
- 补充MHA-Fe (80或115毫克/公斤) 降低了血清IL-6,精子MDA和肝素度,同时增加了血清SOD和精子血铁.
- 与对照组相比,MHA-Fe组表现出较低的异常精子率和改善的精子运动性.
- 补充Gly-Fe并没有显示出精液质量的显著改善.
结论:
- 80或115毫克/公斤的食MHA-Fe有效地改善了成年野猪的精液质量,通过减轻炎症和氧化应激.
- MHA-Fe增强了铁的利用和降低了肝素水平,而不会引起铁缺乏症.
- 甲氨酸氧化类似物合铁为改善野猪生殖健康提供了可行的替代方案.
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