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Comparison of antimicrobial resistance in thermophilic Campylobacter strains isolated from conventional production and backyard poultry flocks
British Poultry Science ( IF 1.6 ) Pub Date : 2020-12-04 , DOI: 10.1080/00071668.2020.1833302
Thomas S. Dias 1 , Regina J. Nascimento 1 , Leandro dosS. Machado 1 , Dayse L. C. Abreu 1, 2 , Elmiro R. do Nascimento 1, 2 , Virginia Léo de A. Pereira 1, 2 , Maria Helena C. de Aquino 1, 2
Affiliation  

ABSTRACT

1. The aim of this study was to compare the resistance pattern of thermophilic Campylobacter spp. isolated from conventional production (n = 34) and backyard poultry flocks (n = 36) from Rio de Janeiro State, Brazil. The disc diffusion method and statistical tests were used for investigation and analysis of the resistance pattern of Campylobacter spp. isolated from different rearing systems.

2. Antimicrobial resistance percentages to amoxycillin with clavulanic acid (AMC), ampicillin (AMP), ceftiofur (CTF), ciprofloxacin (CIP), enrofloxacin (ENO), erythromycin (ERI), gentamicin (GEN) and tetracycline (TET) were 32.4%, 44.1%, 67.6%, 97.1%, 82.4%, 26.5%, 5.9% and 38.2% in conventional production flocks respectively, while the backyard flock’s resistance levels were 0.0%, 13.9%, 69.4%, 100.0%, 91.7%, 5.6%, 0.0% and 16.7%, respectively.

3. Campylobacter spp. from conventional poultry production was more resistant to AMC, AMO, ERI and TET (P > 0.05) when compared to strains from backyard poultry. A higher frequency of resistance to fluoroquinolones (FLQ), CIP and ENO, was observed in strains from both systems, demonstrating the spread of resistant strains among poultry production environments.



中文翻译:

从常规生产和后院家禽群中分离出的嗜热弯曲杆菌菌株的抗药性比较

抽象的

这项研究的目的是比较嗜热弯曲杆菌属的抗性模式。分离自巴西里约热内卢州的常规生产(n = 34)和后院家禽群(n = 36)。采用圆盘扩散法和统计学检验方法对弯曲杆菌属菌株的耐药模式进行调查和分析。与不同的饲养系统隔离。

2.克拉维酸(AMC),氨苄青霉素(AMP),头孢噻呋(CTF),环丙沙星(CIP),恩诺沙星(ENO),红霉素(ERI),庆大霉素(GEN)和四环素(TET)对阿莫西林的耐药性百分比为32.4分别在常规生产鸡群中分别为%,44.1%,67.6%,97.1%,82.4%,26.5%,5.9%和38.2%,而后院鸡群的抗药性水平为0.0%,13.9%,69.4%,100.0%,91.7%,分别为5.6%,0.0%和16.7%。

3.弯曲杆菌属。与来自后院家禽的菌株相比,常规家禽生产的菌株对AMC,AMO,ERI和TET的抵抗力更高(P> 0.05)。在这两个系统的菌株中均观察到对氟喹诺酮类药物(FLQ),CIP和ENO的抗药性较高,这表明抗药性菌株在禽类生产环境中的传播。

更新日期:2020-12-04
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