食纳米补充剂可以增强肠道完整性,肌肉特征和肉肉的紧结蛋白表达
Maha Saleem1, Sajid Khan Tahir1, Muhammad Shahbaz Yousaf1
1Department of Physiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan.
Veterinary world
|December 3, 2025
概括
纳米颗粒 (Mn-NP) 在40-60 mg/kg的剂量下提高了 brojler 料效率和肠道健康. 这为传统提供了可持续的替代品,提高了肉质,减少了对环境的影响.
科学领域:
- 动物营养 动物营养
- 微量矿物研究 微量矿物研究
- 纳米技术在农业中的应用
背景情况:
- (Mn) 对于家禽健康至关重要,但无机来源的生物可用性较差.
- 传统的补充可以导致环境问题和矿物质不平衡.
- 纳米颗粒 (Mn-NP) 显示了增强吸收和减少环境负担的潜力.
研究的目的:
- 评估饮食中Mn-NP补充剂对 brojler生长性能的影响.
- 评估Mn-NP对肠道形态和屏障功能的影响.
- 调查Mn-NP对肉质和血清代谢物的影响.
主要方法:
- 240只肉幼在35天内被食大量或Mn-NP (20-80毫克/公斤).
- 评估了生长,器官发育,血清生物化学,肉类特性,阴茎形态和紧结蛋白基因表达 (CLDN-5,ZO-1).
主要成果:
- 补充Mn-NP (40-60毫克/公斤) 改善了料转换率和尾小的长度.
- 在60毫克/公斤的Mn-NP中观察到紧结蛋白 (CLDN-5,ZO-1) 的上调.
- 在血清代谢物中没有发现显著的毒性;肌肉纤维特征因剂量而异.
结论:
- 摄入40-60毫克/公斤的食Mn-NP可以优化 brojler 的料效率,肠道形态和屏障完整性.
- Mn-NP为传统提供了一个可持续的替代品,改善了肠道健康和肉质.
- 建议对Mn-NP的长期安全性和商业应用进行进一步的研究.
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