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<p>Wild birds, particularly raptors, can act as reservoirs and carriers of zoonotic pathogens such as <i>Salmonella spp.</i>, posing potential risks to humans and animals. This study investigated the occurrence and antimicrobial resistance of <i>Salmonella</i> isolates in birds of prey from the Kerman region of southeastern Iran. A total of 66 swab samples (33 cloacal and 33 choanal) were collected from 33 rehabilitated raptors. <i>Salmonella</i> spp. were detected in nine samples (9/66; 13.6%), of which four (4/66; 6.1%) were identified as <i>Salmonella</i> Typhimurium by PCR. Antimicrobial susceptibility testing revealed high resistance to neomycin (7/9; 77.8%) and fosfomycin (5/9; 55.6%), moderate resistance to colistin (3/9; 33.3%) and enrofloxacin (2/9; 22.2%), and low resistance to trimethoprim/sulfadiazine, lincomycin/spectinomycin, and chloramphenicol (1/9; 11.1%). These findings indicate that raptors in this region can harbor multidrug-resistant <i>Salmonella</i> strains, underscoring their potential role in the dissemination of antimicrobial resistance within the One Health context.</p>

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Detection and assessment of antibiotic-resistant strains of Salmonella Typhimurium in raptors referred to the environmental protection organization of Kerman, Iran

  • 期刊论文

  • 发表日期：

    2026年5月2日

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  • Sara Amrollahi,
  • Hemad Shafiei,
  • Maziar Jajarmi,
  • Mahmood Salehi,
  • Mostafa Zangiabadi

摘要

Wild birds, particularly raptors, can act as reservoirs and carriers of zoonotic pathogens such as Salmonella spp., posing potential risks to humans and animals. This study investigated the occurrence and antimicrobial resistance of Salmonella isolates in birds of prey from the Kerman region of southeastern Iran. A total of 66 swab samples (33 cloacal and 33 choanal) were collected from 33 rehabilitated raptors. Salmonella spp. were detected in nine samples (9/66; 13.6%), of which four (4/66; 6.1%) were identified as Salmonella Typhimurium by PCR. Antimicrobial susceptibility testing revealed high resistance to neomycin (7/9; 77.8%) and fosfomycin (5/9; 55.6%), moderate resistance to colistin (3/9; 33.3%) and enrofloxacin (2/9; 22.2%), and low resistance to trimethoprim/sulfadiazine, lincomycin/spectinomycin, and chloramphenicol (1/9; 11.1%). These findings indicate that raptors in this region can harbor multidrug-resistant Salmonella strains, underscoring their potential role in the dissemination of antimicrobial resistance within the One Health context.