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Title: Role of the humoral immune system in Salmonella enteritidis phage type four infection in chickens
Authors: Desmidt, M ×
Ducatelle, R
Mast, J
Goddeeris, Bruno
Kaspers, B
Haesebrouck, F #
Issue Date: 1998
Publisher: ELSEVIER SCIENCE BV
Series Title: Veterinary immunology and immunopathology vol:63 issue:4 pages:355-367
Conference: date:Univ Gent, Fac Vet Med, Dept Pathol Bacteriol & Poultry Dis, Merelbeke, Belgium; Catholic Univ Louvain, Fac Agr & Appl Biol Sci, Lab Physiol & Immunol Domest Anim, Heverlee, Belgium; Univ Munich, Fac Vet Med, Inst Anim Physiol, Munchen, Germany
Abstract: The role of avian humoral immunity in the clearance of S. enteritidis was evaluated through bursectomy. After oral inoculation of bursectomized and sham-treated chickens with S. enteritidis, faecal excretion of S. enteritidis was examined. Organs were collected weekly until six weeks postinoculation (pi) for bacteriological enumeration. Antibody isotypes in serum and bile were quantified by ELISA. Faecal excretion of S. enteritidis was significantly lower in controls from 13 days pi. Numbers of S. enteritidis in caeca from controls were significantly decreased from three weeks pi. Numbers of S. enteritidis were significantly decreased at two weeks pi in the spleen and the liver and at six weeks pi in the liver. Antibodies to S. enteritidis peaked at two weeks pi in controls and were absent in bursectomized chickens. These findings indicate that elimination of S. enteritidis partly depends on humoral immunity. The intestinal humoral response appeared more effective than the systemic humoral response for elimination of S. enteritidis. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 0165-2427
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Gene Technology (-)
× corresponding author
# (joint) last author

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