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Evaluation of intestinal colonization and systemic infection of mutant strains of S. Enteritidis (SE”ttrA”pduA), S. Typhimurium (STM”ttrA”pduA) e S. Heidelberg (SH”ttrA”pduA) in chicken (Gallus gallus domesticus)

Grant number: 19/01809-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2019
Effective date (End): February 28, 2021
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Pathology
Principal researcher:Angelo Berchieri Junior
Grantee:Taísa Santiago Ferreira
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:18/03189-0 - Evaluation of avian infection (Gallus gallus domesticus) by Salmonella enteritidis, Salmonella typhimurium and Salmonella heidelberg containing deletion of the ttrA and pduA genes, AP.TEM


Salmonella Enteritidis (SE), Salmonella Typhimurium (ST) and Salmonella Heidelberg (SH) are among the most prevalent paratyphoid serovars found in birds and humans. In this study, we propose the evaluation of intestinal colonization and systemic infection by bacterial count in cecal and liver contents in 3types of commercial poultry line inoculated with mutant strains of SE, ST and SH containing deletions in the ttrA and pduA genes.

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