Reversion to Virulence Evaluation of a 9R Vaccine Strain of Salmonella enterica Serovar Gallinarum in Commercial Brown Layers

Published on: 08/30/2016
Author/s : Okamoto A.S. 1; Menconi A. 1; Gonçalves G.A.M. 1; Rocha T.S. 1; Andreatti Filho R.F. 1; Savano E.N. 2; and Sesti L. 3. / 1 Faculdade de Medicina Veterinária e Zootecnia - UNESP - Campus Botucatu. Botucatu, SP, Brazil; 2 Ceva Campinas Ltda. Campinas, SP, Brazil; 3 Ceva Saúde Animal Ltda. Paulínia, SP, Brazil.

Introduction With the growth of the poultry industry, avian salmonellosis became a limiting factor in poultry farms, in which can cause significant economic losses in all stages of production. Avian salmonellosis is the term that designates a large group of acute or chronic bird diseases caused by one or more bacteria of the genus Salmonella (Gast, 1997). These bacteria are rods from the Entero...

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Paulo Martins Paulo Martins
Veterinary Doctor
August 30, 2016
This year, 2016, we are happy to celebrate the most effective and reliable tool on SG protection, since 9R strain has been commercialized for 60 years.

Este ano, 2016, estamos felizes em celebrar os 60 anos da utilização comercial da cepa 9R, como a mais eficaz e confiável ferramenta na proteção contra o Tifo Aviário.
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Fred Hoerr
Fred Hoerr
DVM, PhD, Diplomate ACVP, ACPV
  Nashville, Tennessee, United States
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