技术林尼斯 抗菌作用 对环境乳头炎病原体的抗菌作用 横跨不同级别的床上用品 洁净度 In Vitro
Godloves M Oppong1, Diana C Reyes1, Zhengxin Ma2
1Animal and Veterinary Sciences, School of Food and Agriculture, University of Maine, Orono, ME 04469, USA.
Molecules (Basel, Switzerland)
|July 30, 2025
概括
二硫酸 (NaL-O) 有效地减少了乳牛床铺中的环境乳腺炎病原体. 虽然对大肠杆菌的有效性较低,但NaL-O显示出作为一种可持续的床铺调节剂来控制乳腺炎的希望.
科学领域:
- 兽医微生物学 兽医微生物学
- 动物科学动物科学
- 可持续农业 可持续农业
背景情况:
- 环境乳腺炎病原体对乳牛的健康和生产力构成重大威胁.
- 对于乳牛中环境乳腺炎病原体的有效控制策略至关重要.
- 技术性素,特别是硫酸 (NaL-O),正在研究其抗菌性质.
研究的目的:
- 评估技术素对乳牛主要环境乳腺炎病原体的抗菌活性.
- 为了确定二硫酸 (NaL-O) 在各种清洁条件下作为床铺调节剂的有效性.
- 评估NaL-O在减少乳制品住房中的病原体负荷方面的潜力.
主要方法:
- 最低抑制度 (MIC) 和最小杀菌度 (MBC) 测定对四种技术性素进行了测试.
- 最有效的红素,NaL-O,在有不同程度的尿液和便污染的粉床底上进行了测试.
- 病原体度在潜伏期的第0,2,6天被量化,同时对床基板成分进行了分析.
主要成果:
- NaL-O对大多数测试的乳腺炎病原体表现出显著的抗菌活性,其中值得注意的例外是大肠杆菌.
- 在床基板中,NaL-O的应用减少了*Staphylococcus chromogenes*,*Streptococcus uberis*和*Pseudomonas aeruginosa*的种群.
- 随着时间的推移,NaL-O的抗菌作用逐渐减弱,并且由于便的存在,特别是对大肠杆菌和肺炎菌的存在显著减少.
结论:
- 二硫酸 (NaL-O) 对关键的环境乳腺炎病原体表现出广泛的抗菌活性.
- NaL-O显示出作为一个具有成本效益和可持续的床铺调节剂的潜力,用于奶牛场管理病原体生长.
- 将NaL-O与良好的床管理实践相结合,可能对减少乳牛群中乳腺炎发病率至关重要.
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