根基的料添加剂减少了沙门氏菌 (Salmonella enterica serovar Enteritidis) 在年轻 brojlers 中的殖民
Christina L Swaggerty1, M Dolores Cabrera2, Santiago Sasia2
1U.S. Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, College Station, TX 77845 USA; Nutrinae, LLC., Palo Alto, CA 94302 USA.
Poultry science
|May 30, 2025
概括
养肉以根为基础的料添加剂显著降低了萨尔摩内拉 Enteritidis 在 ceca. 这种自然方法表明,作为一种收获前的干预措施,有望降低家禽中食源性病原体负担.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
背景情况:
- 沙门氏菌是一种主要的细菌性食物传播病原体,经常在家禽中发现.
- 控制肉中的沙门氏菌对食品安全至关重要.
- 正在探索抗生素替代品,以管理家禽生产中的病原体负载.
研究的目的:
- 评估一种以香为基础的料添加剂作为抗生素替代品的有效性,以减少 brojlers中的Salmonella Enteritidis.
- 为了确定香补充剂对肉沙门氏菌殖民和入侵的影响.
主要方法:
- 肉被食基本饮食,其中一组接受了菜油补充剂 (300克/).
- 小在7天大时被口服沙门氏菌感染.
- 在挑战后14天,分析了囊含量和肝脏样本的沙门氏菌.
主要成果:
- Oregano 补充剂显著降低了 Salmonella Enteritidis 中的结核含量 (40% 与 61% 的阳性结核相比).
- 在鱼养群中,囊含量的沙门氏菌肠杆菌水平显著降低 (3.2 × 10^3 cfu/g与3.5 × 10^5 cfu/g相比).
- 桃体中免疫相关基因 (IL-1β,IL-18,CXCL8) 的表达增加表明了免疫调节作用.
结论:
- 一种以香为基础的料添加剂有效地减少了在 brojler ceca. 中的沙门氏菌 (Salmonella Enteritidis) 殖民.
- Oregano 补充剂显示出作为一种收获前干预策略的潜力,以减轻家禽中的食物传播病原体.
- 这种天然添加剂可以通过减少 brojlers中的沙门氏菌负担来帮助提高食品安全.
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