基于纳米银的制剂对家禽垃圾的微生物质量的影响
Katarzyna Czyż1, Zbigniew Dobrzański2, Monika Kowalska-Góralska1
1Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, Wrocław, 51-630, Poland.
Archives animal breeding
|January 11, 2024
概括
应用于家禽垃圾的纳米银制剂减少了沙门氏菌和菌等有害细菌. 虽然它对所有微生物并非均有效,但它显示出有前途的杀菌性质,特别是每周一次应用.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 环境科学 环境科学
背景情况:
- 家禽垃圾中含有微生物,这些微生物会影响鸟类的健康和环境.
- 在家禽垃圾中有效的微生物控制对于动物福利和生物安全至关重要.
- 纳米银已证明具有抗菌性质,但其在家禽垃圾中的应用需要进一步调查.
研究的目的:
- 评估纳米银悬浮在矿物载体上的对家禽垃圾微生物特征的影响.
- 为了评估纳米银制剂不同应用频率的有效性.
主要方法:
- 这项研究涉及罗斯308只肉,分为三个组:对照组,单次应用和每周应用纳米银制剂.
- 垃圾样本被分析为中性细菌,总微生物,沙门氏菌,大肠杆菌,菌和菌.
- 从顶层多次采样,并在实验结束时从特定点 (饮料,料,角落) 采样.
主要成果:
- 纳米银制剂的每周应用显著减少了美索菲尔细菌的数量.
- 沙门氏菌,菌和菌的种群数量有所减少,特别是在每周一次应用的近邻食者和饮用者的样本中.
- 大肠杆菌的数量在饮酒者和食者附近出现了减少,特别是在每周应用组,但总体结果并不明确.
- 总微生物数量没有显示一致的减少,在某些情况下,增加.
结论:
- 纳米银制剂对家禽垃圾中的特定微生物具有杀菌性.
- 制剂的有效性取决于微生物的类型和采样点.
- 与单次应用相比,每周应用在减少细菌负载方面似乎更有效.
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