食酵母对肉生长性能,屠宰性能,抗氧化能力和沉积在肉中的影响
Jinmei Liu1, Zheng Wang2, Chong Li1
1Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agriculture Sciences, Beijing 100081, China.
Animals : an open access journal from MDPI
|December 23, 2023
概括
肉的 (Se) 酵母补充剂并没有改善生长,但减少了腹部脂肪和增强了抗氧化能力. 酵母含量准确地预测了肉组织中的沉积量,从而能够准确地生产含丰富的产品.
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:
- 与无机来源相比, (Se) 酵母提供了更好的生物可用性.
- 了解海酵母对 brojler 性能和组织沉积的影响对于优化家禽生产至关重要.
研究的目的:
- 评估海鲜酵母对肉生长,屠宰性能,抗氧化能力和组织Se沉积的影响.
- 建立基于饮食中的Se酵母水平的肉组织中Se沉积的预测模型.
主要方法:
- 264只雄性AA肉被食了0,0.1,0.2或0.4毫克/公斤的海鲜酵母42天.
- 评估了生长性能,屠宰参数 (腹部脂肪比率),抗氧化能力标志物,以及胸肌,腿肌,肝脏和脏中的Se沉积.
- 利用二次回归模型将饮食中的Se酵母含量与组织Se沉积相关联.
主要成果:
- 海酵母补充剂没有显著影响肉的生长性能.
- 在服用海鲜酵母补充剂时,观察到腹部脂肪比率显著下降.
- 肉的抗氧化能力被海鲜酵母显著提高.
- 开发了二次回归方程 (R2 > 0.92) 以根据饮食中的Se酵母含量来预测胸肌,腿肌,肝脏和脏中的Se沉积.
结论:
- 海酵母有效增强抗氧化能力,减少肉的腹部脂肪,而不会对生长产生负面影响.
- 饮食中的Se酵母含量可以准确预测肉组织中的Se沉积,促进Se丰富的功能性产品的开发.
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