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Isolation and antimicrobial resistance of Escherichia coli and Salmonella enterica subsp. enterica (O: 6, 8) in broiler chickens

Bezerra, Windleyanne Gonçalves Amorim; Silva, Isaac Neto Goes da; Vasconcelos, Ruben Horn; Machado, Débora Nishi; Lopes, Elisângela de Souza; Lima, Suzan Vitória Girão; Teixeira, Régis Siqueira de Castro; Lima, Jéssica Bezerra; Oliveira, Felipe Rebouças; Maciel, William Cardoso.
Acta Sci. vet.; 44: 01-07, 2016. tab, graf
Artigo em Inglês | VETINDEX | ID: vti-722687


Background: The third largest poultry flock in Northeast Brazil is located in Ceará State. Some pathogens are commonly disseminated in broiler chicken flocks, such as the bacteria from the Enterobacteriaceae family. Among these, some strains of Escherichia coli are frequently associated with different pathological manifestations in domestic animals, while bacteria from the genus Salmonella are considered the most frequent enteric pathogens reported causing foodborne infections in humans. Therefore, this study aimed to evaluate the prevalence and antimicrobial resistance of Salmonella sp. and Escherichia coli strains isolated from broiler chickens in the Metropolitan Region of Fortaleza city, Brazil. Materials, Methods & Results: Samples were collected from July-2014 to March-2015 in ten broiler chicken farms located in the Metropolitan Region of Fortaleza city, Brazil, with birds in pre-slaughter age. From each farm, 100 individual cloacal swabs were randomly collected from broilers independent of clinical status. Distinct methodologies were used in order to provide optimal isolation conditions for both the bacterial species. For Escherichia coli, the methodology consisted in enrichment with BHI broth, plating in EMB agar and biochemical identification, after which some isolates were maintained in nutrient agar for antimicrobial resistance evaluation. For the isolation of [...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1