Isolation, Identification and Antibacterial Resistance Spectrum of Bacterial Pathogens of Respiratory Tract Infection in a Large-Scale Cattle Farm
文献类型： 外文期刊
作者： Guo, Yunxia 1 ; Zhou, Xia 1 ; Huang, Xin 2 ; Zhong, Fagang 2 ;
作者机构： 1.Shihezi Univ, Coll Anim Sci & Technol, Shihezi 832003, Peoples R China
2.Xinjiang Acad Agr & Reclamat Sci, State Key Lab Sheep Genet Improvement & Hlth Breed, Shihezi 832000, Xinjiang, Peoples R China
关键词： Respiratory tract infections; Antimicrobial; Susceptibility; Bovine; Pneumonia
期刊名称：PAKISTAN JOURNAL OF ZOOLOGY （ 影响因子：0.6； 五年影响因子：0.7 ）
ISSN： 0030-9923
年卷期： 2024 年 56 卷 1 期
页码：
收录情况： SCI
摘要： The current study aimed to report the bacterial pathogens and their antibacterial resistance spectrum causing bovine respiratory tract infections in a large-scale cattle farm. Nasopharyngeal swabs were collected from animals (n=122) having clinical manifestations of respiratory tract diseases. Standard culture procedure followed by the Kirby-Bauer disc diffusion assay was applied to calculate the antimicrobial resistance profile of bacterial isolates. The survey results showed that bronchitis and bronchopneumonia were commonly occurring respiratory diseases in cattle. The highest incidence of bacterial organism Staphylococcus aureus (83.6%), followed by Streptococcus pneumoniae (80.3%) and Klebsiella pneumoniae (77.0%) were recorded in the respiratory tract samples. Pasteurella multocida, Bacillus obstructivus and Mycoplasma alkalescens exhibited 100% resistance against penicillin, while Bacillus subtili and M. alkalescens showed 100% resistance against tetracycline. Mycoplasma dispar, B. subtilis, M. alkalescens, B. obstructivus, and Stah. aureus against cefoxitin; and M. alkalescens, and Microccus luteus against cefoperazone exhibited >= 90% resistance. Overall, the majority of bacterial isolates exhibited >= 70% resistance against many antimicrobials. The antimicrobial spectrum profiles whistle an alarming situation for the regulatory bodies to cut the non-judicial use of antimicrobial agents.
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