食补充剂与食抗生素的不同替代品的食补充剂在特定阶段改善肉的生长性能
Yuhu Tian1, Jingyan Zhang1, Fenghua Li2
1Engineering and Technology Research Center of Traditional Chinese Veterinary Medicine of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, 730050, China.
Poultry science
|July 26, 2023
概括
细菌细菌,阿斯特拉加勒斯膜,和酶提高了肉的生长性能,为抗生素提供了替代品. 这些添加剂增强了肠道微生物群和料消化能力,减少了对料中的抗生素的依赖.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 料中的抗生素在肉生产中被广泛使用,但引起了关于药物残留和抗生素耐药性的担忧.
- 为可持续的家禽养殖和食品安全开发有效的替代品对料中的抗生素至关重要.
研究的目的:
- 评估Bacillus subtilis,Astragalus membranaceus和酶补充剂的疗效,作为改善 brojler生长性能的 aureomycin 替代品.
- 评估这些添加剂对肠道微生物组成和 brojlers 的料消化性的影响.
主要方法:
- 六百只一天大的肉被分为五组:对照组 (基础饮食),青红素 (AU),细菌 (BS),甲虫 (AM) 和酶化合物 (EN).
- 分析了生长性能,状微生物种群 (乳杆菌,双菌,大肠杆菌,Clostridium welchii) 和体外料消化能力.
主要成果:
- 与对照组相比,所有补充组都显示出更好的生长表现.
- 细菌细菌和酶治疗显著增加了有益的细菌 (乳杆菌,Bifidobacteria) 和减少了有害的细菌 (大肠杆菌,Clostridium welchii).
- 实验室料的消化性被 Bacillus subtilis 和酶补充剂显著提高.
结论:
- 用Bacillus subtilis,Astragalus membranaceus和酶的食补充剂可以在特定阶段提高肉的生长性能.
- 这些天然添加剂积极调节肠道微生物群,改善料消化能力,为料中的抗生素提供了可行的替代品.
- 需要进一步的研究,以优化补充计划,以部分替代食抗生素.
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