Effect of type 1 fimbriae of Salmonella enterica serotype Enteritidis on bacteraemia and reproductive tract infection in laying hens

Avian Pathology : Journal of the W.V.P.A
Jeroen De BuckR Ducatelle

Abstract

Research on the role of type 1 fimbriae of Salmonella enterica serotype Enteritidis in poultry to date has been focused on the intestinal phase of the infection. This study aimed to investigate the role of type 1 fimbriae in a systemic infection by intravenously inoculating chickens with a fimD mutant or its parent strain. The fimD mutant was present in the blood for 3 weeks after infection, while the wild type parent strain was cleared within the first 3 days. The fimD mutant was isolated at least as much as the parent strain from the liver and spleen for up to 3 weeks after inoculation. The wild type strain was cleared from the caeca in the second week, while the fimD mutant was isolated from the caeca for up to 3 weeks after infection. The ovaries were more heavily infected by the fimD mutant than by the wild-type strain. In the first and second week after inoculation, the oviducts were more frequently infected by the mutant strain. The eggs of birds infected with the fimD mutant were less frequently contaminated with Salmonella. The shells of the eggs were more frequently contaminated by the wild type strain than with the mutant strain. Thus, the absence of type 1 fimbriae prolongs bacteraemia, modifies reproductive tract i...Continue Reading

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Apr 16, 2003·Veterinary Microbiology·Jeroen De BuckRichard Ducatelle

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Citations

Aug 19, 2009·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Mark P StevensDuncan J Maskell
Jan 4, 2005·Veterinary Microbiology·Jeroen De BuckRichard Ducatelle
Oct 26, 2005·Veterinary Microbiology·Naoe MizumotoEiichiroh Baba
Feb 12, 2009·FEMS Microbiology Reviews·Inne GantoisFilip Van Immerseel
Aug 17, 2016·Veterinary Microbiology·Andrea R McWhorter, Kapil K Chousalkar
May 30, 2019·Frontiers in Microbiology·Rafal KolendaKrzysztof Grzymajlo
Feb 19, 2019·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (EFSA BIOHAZ Panel)Robert Davies
Mar 15, 2018·EcoSal Plus·Glenn T Werneburg, David G Thanassi

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Methods Mentioned

BETA
ELISA

Software Mentioned

SPSS

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