Jurado-Tarifa E, Torralbo A, Borge C, Cerdà-Cuéllar M, Ayats T, Carbonero A, García-Bocanegra I
Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Córdoba-Agrifood Excellence International Campus (ceiA3), 14071 Córdoba, Spain.
Centre de Recerca en Sanitat Animal (CReSA)-Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Campus UAB, 08193, Bellaterra, Barcelona, Spain.
Comp Immunol Microbiol Infect Dis. 2016 Oct;48:14-21. doi: 10.1016/j.cimid.2016.07.003. Epub 2016 Jul 14.
Infections caused by thermotolerant Campylobacter spp. and Salmonella spp. are the leading causes of human gastroenteritis worldwide. Wild birds can act as reservoirs of both pathogens. A survey was carried out to determine the prevalence, genetic diversity and antimicrobial resistance of thermotolerant Campylobacter and Salmonella in waterfowl used as decoys and wild raptors in Andalusia (Southern Spain). The overall prevalence detected for Campylobacter was 5.9% (18/306; CI95%: 3.25-8.52) in decoys and 2.3% (9/387; CI95%: 0.82-3.83) in wild raptors. Isolates were identified as C. jejuni, C. coli and C. lari in both bird groups. Salmonella was isolated in 3.3% (10/306; CI95%: 2.3-4.3) and 4.6% (18/394; CI95%: 3.5-5.6) of the decoys and raptors, respectively. Salmonella Enteritidis and Typhimurium were the most frequently identified serovars, although Salmonella serovars Anatum, Bredeney, London and Mikawasima were also isolated. Pulsed-field gel electrophoresis analysis of isolates showed higher genetic diversity within Campylobacter species compared to Salmonella serovars. Campylobacter isolates showed resistance to gentamicin, ciprofloxacin and tetracycline, while resistance to erythromycin and tetracycline was found in Salmonella isolates. The results indicate that both decoys and raptors can act as natural carriers of Campylobacter and Salmonella in Spain, which may have important implications for public and animal health.
耐热弯曲杆菌属和沙门氏菌属引起的感染是全球人类肠胃炎的主要病因。野生鸟类可能是这两种病原体的宿主。开展了一项调查，以确定西班牙南部安达卢西亚用作诱饵的水禽和野生猛禽中耐热弯曲杆菌和沙门氏菌的流行情况、遗传多样性及抗菌药物耐药性。弯曲杆菌在诱饵中的总体检出率为5.9%（18/306；95%置信区间：3.25 - 8.52），在野生猛禽中的检出率为2.3%（9/387；95%置信区间：0.82 - 3.83）。两个鸟类群体中的分离株均鉴定为空肠弯曲杆菌、结肠弯曲杆菌和海鸥弯曲杆菌。沙门氏菌在诱饵和猛禽中的分离率分别为3.3%（10/306；95%置信区间：2.3 - 4.3）和4.6%（18/394；95%置信区间：3.5 - 5.6）。肠炎沙门氏菌和鼠伤寒沙门氏菌是最常鉴定出的血清型，不过也分离出了阿纳托姆沙门氏菌、布雷登尼沙门氏菌、伦敦沙门氏菌和三宅岛沙门氏菌。对分离株进行的脉冲场凝胶电泳分析显示，与沙门氏菌血清型相比，弯曲杆菌属内的遗传多样性更高。弯曲杆菌分离株对庆大霉素、环丙沙星和四环素耐药，而沙门氏菌分离株对红霉素和四环素耐药。结果表明，在西班牙，诱饵和猛禽都可能是弯曲杆菌和沙门氏菌的天然携带者，这可能对公共卫生和动物健康具有重要意义。
