Artigo Produção Nacional

Experimental infection of commercial layers using a Salmonella enterica sorovar Gallinarum strain: blood serum components and histopathological changes

2010; Volume: 3; Issue: 2 Linguagem: Inglês

ISSN

1983-0246

Autores

Kleber Ormande Garcia, André Marcos Santana, Oliveiro Caetano de Freitas Neto, K.M.M.G. Simplício, Antônio Carlos Alessi, Ângelo Berchieri, José Jurandir Fagliari,

Tópico(s)

Animal Nutrition and Physiology

Resumo

The purpose of the study was to evaluate the blood serum components and histopathological findings of commercial layers experimentally infected with Salmonella Gallinarum (SG), the microorganism responsible for the fowl typhoid. 180 commercial layers were distributed into three groups (G): G1 and G2 received 0.2mL of inoculum containing 3.3x10 8 and 3.3x10 5 CFU of resistant SG to the nalidix acid (Nal r )/mL, respectively, directly into their crops; G3 did not receive the inoculum (control group). The birds were inoculated when they were 5 days old and the euthanasia was performed 24 hours before and after infection and 3, 5, 7 and 10 days after the administration of the inoculum. In each day of collection, blood samples were obtained for biochemical tests of the blood serum besides macroscopic and histopathological examination of the birds. Data were submitted to analysis of variance by the SAS

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