Validation of the experimental model using Passeriformes in Salmonella enterica infection in broilers

• Grant number: 13/03724-0
• Support Opportunities: Regular Research Grants
• Start date: June 01, 2013
• End date: May 31, 2015
• Field of knowledge: Agronomical Sciences - Veterinary Medicine - Preventive Veterinary Medicine
• Principal Investigator: Raphael Lucio Andreatti Filho
• Grantee: Raphael Lucio Andreatti Filho
• Host Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
• Associated researchers: Masaio Mizuno Ishizuka

Abstract

The avian salmonellosis occur worldwide and imply large economic losses for the producer due to treatment costs and condemnation of lots, also interfering in commerce and causing outbreaks of food-toxic infections in humans. To restrict and control the outbreaks of avian salmonellosis, biosecurity programs were initiated and prevention measures are prioritized. Among the preventive measures, a critical point is the identification of sources of infection and routes of transmission, which may include people, tools, equipment, vehicles, feed, water, litter, and also classical vectors to Salmonella spp. disseminations such as insects and rodents. Can be considered as a source of infection any vertebrate host who harbors and eliminates the agent to the external environment. The routes of transmission can be by near, direct or indirect contact, it is always a means which the agent uses to gain access to a new host. Wild birds are presented in literature as possible reservoirs, but this information is rare, since data regarding participation in the epidemiological cycle that confirm this possibility are scarce and inaccurate. This project aims, through ex situ study, simulate scenarios or risk situations that occur in the field to understand the dynamics of the involvement of free-living birds in the transmission of Salmonella to poultry using as an experimental model a domesticated bird considered exotic in Brazil - the manon (Lonchura striata domestica). (AU)