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High Prevalence of Multidrug-Resistant Nontyphoidal Salmonella Recovered from Broiler Chickens and Chicken Carcasses in Brazil

Rodrigues, I. B. B. E; Silva, R. L; Menezes, J; Machado, S. C. A; Rodrigues, D. P; Pomba, C; Abreu, D. L. C; Nascimento, E. R; Aquino, M. H. C; Pereira, V. L. A.
R. bras. Ci. avíc.; 22(1): eRBCA-2019-1206, 2020. tab
Artigo em Inglês | VETINDEX | ID: vti-29142


The extensive use of antimicrobial agents has contributed to the emergence of antimicrobial resistance and multidrug resistance (MDR) in Salmonella, an important zoonotic pathogen that causes outbreaks and sporadic cases of gastroenteritis in humans. The study aimed to investigate the antimicrobial resistance profile of Salmonella strains isolated from poultry in Brazil. A total of 230 Salmonella strains, isolated from cloacal swabs (n=56) and broiler carcasses swabs (n=174) before and after chilling from slaughterhouses under Federal Inspection Service within the period 2012-2017, were analyzed. Serotyping and antibiotic susceptibility testing were performed on all the isolates. Serotyping results showed that 41% of the strains were Salmonella Heidelberg, 29% S. Minnesota, 12% S. Saintpaul, 6.5% S. Enteritidis, 3.9% S. Anatum, 2.2% S. Cerro, 2.2% S. Senftenberg, 1.7% S. Newport, 0.4% S. Ealing, 0.4% S. O:4,5 and 0.4% S. O:9,12. MDR rates of the isolates were 67.4%. S. Heidelberg 89.5%, S. Minnesota 51.5%, S. Saintpaul 82.1%, S. Anatum 66.7%, S. Cerro 60%, S. Senftenberg 40%. Out of the 230 strains, 41.3% presented resistance to Penicillins + beta-lactamase inhibitor, Penicillin, 1st and 2nd Generation Cephalosporin, 3rd and 4th Generation Cephalosporin, Tetracycline and Sulfonamide. Salmonella Heidelberg, S. Saintpaul, S. Anatum, S. Cerro, S. Senftenberg and S. Minnesota were isolated after chilling tank highlighting a food safety concern for the industry of poultry and poultry products indicating a risk to collective health. The high prevalence of MDR nontyphoidal Salmonella obtained in this study limit the options available to treat infectious disease in humans and animals.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1