有机甘氨酸微量矿物质提高了化能力,骨和蛋破裂强度,并在层繁殖者中在产卵周期晚期吸收矿物质
Mujtaba Akram Jahangir1, Muhammad Muneeb2, Muhammad Farooq Iqbal1
1Department of Livestock Production and Management, Faculty of Veterinary and Animal Sciences, PMAS Arid Agriculture University, Rawalpindi 46300, Pakistan.
Veterinary sciences
|October 28, 2025
概括
在层繁殖者中用有机甘氨酸形式取代无机微量矿物质,改善了骨强度和化特征. 有机矿物质,即使是半剂量,在晚期的产卵周期中,与无机形式相比,提高了性能.
科学领域:
- 动物科学动物科学
- 禽类营养 养 禽类营养
- 微量矿物质的新陈代谢
背景情况:
- 层繁殖者在产卵周期晚期需要最佳的营养,以获得繁殖成功.
- 微量矿物质对于骨健康,卵子质量和生殖效率至关重要.
- 有机微量矿物质,如甘酸盐,可能比无机形式提供更好的生物利用性.
研究的目的:
- 为了评估在层培养者中用有机糖酸盐形式取代无机微量矿物的有效性.
- 为了比较有机微量矿物质与无机形式的两个含量级别.
- 评估对骨强度,蛋质量,化特征和矿物沉积的影响.
主要方法:
- 180名Lohmann LSL超轻质层培养者被分为三个组:无机微量矿物质 (ITM100),有机微量矿物质在推水平 (OTM100) 和有机微量矿物质在半剂量 (OTM50).
- 这项研究持续了6周,覆盖了66至72周的年龄段.
- 在料,骨和排泄物中分析了微量矿物质含量,使用电感合等离子体光学发射光谱学.
主要成果:
- 有机甘氨酸补充剂,即使是半剂量 (OTM50),与无机微量矿物质 (ITM100) 相比,也显著增强了骨破裂强度.
- 卵子质量参数 (几何,蛋黄指数,蛋特性) 和化特征 (化能力,生育能力) 在有机糖酸盐形式下显著改善.
- 在OTM100组中观察到更高的铜沉积量. 排泄中的和含量在ITM100组中较高.
结论:
- 晚期循环层育种者补充糖酸盐微量有机矿物质可以提高骨和蛋的强度,化性能和特定微量矿物质的吸收.
- 有机微量矿物质,特别是甘酸盐,是无机形式的可行的替代品,可能允许在不影响性能的情况下降低含量水平.
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