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  • Title: Non-typhi Salmonella serovars found in Mexican zoo animals.
    Author: Silva-Hidalgo G, Ortiz-Navarrete VF, Alpuche-Aranda CM, Rendón-Maldonado JG, López-Valenzuela M, Juárez-Barranco F, López-Moreno HS.
    Journal: Res Vet Sci; 2012 Dec; 93(3):1132-5. PubMed ID: 22483318.
    Abstract:
    The aim of the present study was to determine the bacteriological prevalence of subclinical non-typhi Salmonella infections in zoo animals and to determine the most frequently isolated serovars of the bacteria. A total of 267 samples were analyzed, including fecal samples from zoo animals and rodents, insects (Musca domestica and Periplaneta americana) and samples of the zoo animal's food. Salmonella was detected in 11.6% of the samples analyzed. Characterization of the isolates was performed with serotyping and pulsed-field gel electrophoresis. The following serovars were isolated: S. San Diego, S. Oranienburg, S. Weltevreden, S. Braenderup, S. Derby, S. 6,7, H:en x:- and S. 3,10, H:r:-. The isolates showed seven pulsed-field gel electrophoresis patterns with a Jaccard coefficient≥0.75 indicating a possible common origin. The prevalence of asymptomatic infections caused by Salmonella spp. in zoo animals was high. These findings demonstrate the diversity of Salmonella serovars in several captive wild animal species.
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