Contamination of broiler turkey farms by Salmonella spp. in Morocco: prevalence, antimicrobial resistance and associated risk factors

Revue Scientifique Et Technique
A El AllaouiB Bouchrif

Abstract

The authors present a study that estimates the prevalence, sensitivity to antibiotics and distribution of Salmonella spp. serotypes in 20 broiler turkey farm buildings in the north-west of Morocco. Each farm was inspected three times for this purpose; one batch of ten pools of five droppings per farm was sampled on each visit (n = 600) for analysis. The high isolation rate observed for Salmonella spp. (35%) and the serotypes isolated were alarming. The authors found 62 Salmonella-positive isolates and identified nine serotypes: S. Kentucky (21 isolates, 33.8%), S. Parkroyal (10 isolates, 16.3%), S. Agona (7 isolates, 11.3%), S. Saintpaul (6 isolates, 9.6%), S. Typhimurium (5 isolates, 8%), S. Enteritidis and S. Heidelberg (4 isolates each, 6.4%), S. Newport (3 isolates, 4.8%) and S. Ruzizi (2 isolates, 3.2%). The Salmonella spp. antimicrobial resistance results showed that 93.5% (58/62) of the strains were resistant to at least one antibiotic. Multi-resistant strains (resistant to three or more antibiotics) accounted for 80.64% of the strains isolated. The percentage with resistance to ceftazidime (third-generation cephalosporin), ceftriaxone and cefotaxime was lower at 4.8%. Three strains of S. Agona with extended-spectrum bet...Continue Reading

Citations

Feb 5, 2019·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·François GirardinHans Wolff

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