考虑营养修改与植物酶补充相结合的概念,以减少 brojlers中的Campylobacter jejuni
Kirsty Gibbs1, Abiodun Bello1, Sasha van der Klein1
1Danisco Animal Nutrition & Health (IFF), Oegstgeest, Netherlands.
Frontiers in veterinary science
|November 17, 2025
概括
减少家禽料中的食铁和,以及植物酶补充剂,在降低Campylobacter jejuni污染方面显示出有希望. 这种营养策略可能会减少 brojlers中的Campylobacter负载,从而减少受污染的家禽肉对人类健康的风险.
科学领域:
- 动物营养 动物营养
- 食品安全 食品安全
- 微生物学 微生物学
背景情况:
- 禽肉中的Campylobacter jejuni是人类野营菌病的主要来源.
- 营养毒性,特别是限制铁 (Fe) 和 (P) 等必需矿物质,是控制Campylobacter的一种潜在策略.
- 植物酶补充是必要的,以确保足够的矿物质生物可用性为鸟类,当饮食P是减少.
研究的目的:
- 研究通过植物酶补充剂减少食铁 (Fe) 和无机 (iP) 在控制肉中Campylobacter jejuni的有效性.
- 评估这种营养策略对肉生长表现和生存能力的影响.
主要方法:
- 一项概念验证肉研究,将对照饮食与治疗饮食进行比较,在矿物质预混合物中缺乏添加的Fe和iP.
- 治疗饮食包括增加植物酶补充剂和调整 (Ca),可代谢能量 (ME) 和可消化氨基酸 (AA) 的水平.
- 在42天的试验中,Ceca中的Campylobacter负载被量化.
主要成果:
- 与对照组相比,无Fe和无IP组的肉的平均皮坎皮洛巴克特负载数值减少了7.7倍 (87%).
- 坎比洛巴克特菌殖民的上限在治疗组中减少了1log10单位,这表明了较低的殖民极限.
- 在对照组和治疗组之间没有观察到可居住性或生长性能的显著差异.
结论:
- 减少饮食中的铁和,并补充植物酶,表明有可能降低 brojlers 中的Campylobacter jejuni水平.
- 这种营养方法需要进一步的研究和更大规模的研究,以便在家禽生产中切实应用.
- 这些发现表明,可以采取可行的策略来提高食品安全,并减少与家禽消费相关的人类健康风险.
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