Avaliação da disseminação de Salmonella Senftenberg isoladas de diversos ambientes avícolas utilizando a técnica de Pulsed Field Gel Electrophoresis

• Autor(a) principal: Sestak, Leonardo [UNESP]
• Data de Publicação: 2013
• Tipo de documento: Dissertação
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/111012
• topic: Microbiologia veterinaria; Salmonelose em frango de corte São Paulo (Estado); Salmonella Senftenberg; Eletroforese em campo pulsátil; Veterinary microbiology

In the last years, Salmonella Senftenberg has become an emerging pathogen affecting broiler farm’s environment and figuring many concerns. In addition to be considered as potential agent of avian paratyphoid under stress conditions, this serotype has been associated to vast cases of human infections. It is supposed its wide dissemination is due to the capacity to produce biofilm, resist to dehydration, lower pH, high temperatures and radiation, and remain for long periods in the bird ceca, feed and environment. Because of these peculiarities, Salmonella Senftenberg control shows as a challenge for the poultry industry and requires the adoption of many procedures based on understanding its dissemination routes and biological cycle. In this study, Salmonella Senftenberg spread in broiler farms located in the northwestern part of São Paulo State was assessed using molecular typing by PFGE. The epidemiology data was used as an extra tool for strain comparison. Salmonella Senftenberg isolated from feed ingredients, feed mill environment, birds, poultry houses and wildlife surround poultry facilities, showed different genetic identities, indicating transmission of different genotypes between various locations