保加利亚猪场沙门氏菌分离物的发生率和抗菌药耐药性。

G Krumova-Valcheva, G Mateva, M Milanov, A Dimitrova, E Gyurova, H Daskalov
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引用次数: 0

摘要

沙门氏菌是一种重要的人畜共患和食源性致病菌。它在世界范围内传播,是一种公共卫生风险。猪是一个重要的宿主,经常是亚临床携带者。本研究的目的是检测保加利亚育肥猪中五种最重要的公共卫生沙门氏菌血清型沙门氏菌分离株的发生率和抗微生物药物耐药性。沙门菌的分离按照EN ISO 6579-1粪便中沙门菌检测标准进行,沙门菌血清分型按照Kauffmann-White方案进行。采用纸片扩散法分析所有肠炎沙门氏菌分离株对14种抗菌药物的敏感性。在保加利亚的32个受检测农场中,有13个被检测出肠炎沙门氏菌。沙门氏菌阳性的粪便样本总体百分比为6.8%(630个样本中的43个)。在121-180日龄的育肥猪中发病率最高(16.3%;20/123),其次是干母猪(6.5%;4/62)和后备母猪(4.8%;12/248)。75%的分离菌株属于3种血清型:婴儿沙门菌(41.9%)、Give沙门菌(16.3%)和单相鼠伤寒沙门菌(16.3%)。所有分离株对替尔米科星(100%)、氨苄西林(88.4%)、替尔米科林(69.8%)、阿莫西林和四环素(25.6%)耐药。62.8%的受试菌株出现多药耐药。本研究报告了保加利亚从母猪到育肥猪养殖场中最重要的五种沙门氏菌血清型(肠炎沙门氏菌、鼠伤寒沙门氏菌、单相鼠伤寒沙门氏菌、婴儿沙门氏菌和德比沙门氏菌)的传播数据,占沙门氏菌总分离株的74.4%。这一现象对消费者的健康有重大影响,因此是一个关键的“同一个健康”问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Occurrence and antimicrobial resistance of Salmonella isolates in farrow-to-finish pig farms in Bulgaria.

Salmonella spp. is an important zoonotic and foodborne pathogen. It is spread worldwide and represents a public health risk. Pigs are a significant reservoir and are frequently subclinical carriers. The aim of this study was to detect the occurrence and antimicrobial resistance of Salmonella isolates being the five most important for public health Salmonella serovars in fattening pigs in Bulgaria. The isolation of Salmonella spp. was carried out according to EN ISO 6579-1 for the detection of Salmonella bacteria in feces and Salmonella serotyping following the Kauffmann-White scheme. All confirmed S. enterica isolates were analysed by the disk-diffusion method for susceptibility to 14 antimicrobials. Salmonella enterica was detected in 13 out of 32 tested farms in Bulgaria. The overall percentage of Salmonella positive pooled fecal samples was 6.8% (43 of 630 samples). The highest occurrence was present in fattening pigs aged between 121-180 days (16.3%; 20/123), followed by dry sows (6.5%; 4/62) and gilts (4.8%; 12/248). About 75% of the isolated strains belonged to three serotypes: Salmonella Infantis (41.9%), Salmonella Give (16.3%) and Salmonella Typhimurium monophasic (16.3%). All the tested isolates were resistant to Tilmicosin (100%), 88.4% to Ampicillin, followed by 69.8% to Tiamulin, 25.6% to Amoxicillin and Chlortetracycline. Multidrug resistance was recorded in 62.8 % of the tested strains. This study reports data regarding the circulation of the most important for public health five Salmonella serovars (S. Enteritidis, S. Typhimurium, S. Typhimurium monophasic, S. Infantis and S. Derby) in farrow-to-finish pig farms in Bulgaria and represent 74.4% of the total Salmonella spp. isolates. This phenomenon has critical effects for the health of consumers and therefore represents a key "one health" issue.

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