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乳腺炎病原体及其抗生素耐药性的发生在斯洛伐克的奶牛中
Kristína Tvarožková1, Barbora Gancárová1, Ľudovít Černek2
1Institute of Animal Husbandry, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic.
在斯洛伐克奶牛中确定了乳腺炎病原体,其中凝聚酶阴性葡萄球菌是最常见的. 阿莫西西林/克拉夫兰酸显示有效性,而链杆菌素耐药性很高,突出了针对性乳腺炎治疗的必要性.
科学领域:
- 兽医微生物学 兽医微生物学
- 乳制品科学 乳制品科学
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 乳腺炎对乳制品行业构成重大经济威胁,也是乳牛和干牛抗生素使用的主要驱动因素.
- 了解病原体流行率和抗生素敏感性对于有效的乳腺炎管理和打击抗菌素耐药性至关重要.
研究的目的:
- 确定2017年至2023年斯洛伐克奶牛中常见乳腺炎病原体的流行率.
- 评估这些已识别的病原体的抗生素耐药性模式.
主要方法:
- 分析了2017年至2023年间从斯洛伐克乳制品农场收集的2236个四分之一乳腺牛奶样本.
- 牛奶样本是根据体细胞计数升高,加利福尼亚乳腺炎测试阳性或可见的牛奶异常来选择的.
- 细菌学分离和识别引起乳腺炎的病原体,然后进行抗生素敏感性测试.
主要成果:
- 凝聚酶阴性葡萄球菌是最常见的分离物 (36.89%),其次是大肠杆菌 (24.26%),杆菌 (16.21%),金黄色葡萄球菌 (8.41%) 和Streptococcus agalactiae (2.86%).
- 阿莫西西林/克拉夫兰酸证明了对测试的病原体的最高疗效.
- 在被评估的抗生素中,菌素表现出最高水平的抗药性.
结论:
- 该研究确定了斯洛伐克奶牛群中的关键乳腺炎病原体及其相关抗生素耐药性概况.
- 有效的乳腺炎治疗策略和预防进一步的抗菌素耐药性需要精确的病原体识别和敏感性测试.
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