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Applied and Environmental Microbiology, May 2001, p. 2388-2392, Vol. 67, No. 5
0099-2240/01/$04.00+0   DOI: 10.1128/AEM.67.5.2388-2392.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Study of the Infectivity of Saline-Stored Campylobacter jejuni for Day-Old Chicks

Birthe Hald,1,* Katrine Knudsen,1 Peter Lind,2 and Mogens Madsen1

Danish Veterinary Laboratory, 8200 Aarhus N.,1 and Danish Veterinary Laboratory, 1790 Copenhagen V,2 Denmark

Received 10 April 2000/Accepted 23 January 2001

The culturability of three Campylobacter jejuni strains and their infectivity for day-old chicks were assessed following storage of the strains in saline. The potential for colonization of chicks was weakened during the storage period and terminated 3 to 4 weeks before the strains became nonculturable. The results from this study suggest that the role of starved and aged but still culturable campylobacters may be diminutive, but even more, that the role of viable but nonculturable stages in campylobacter epidemiology may be negligible. Even high levels of maternally derived anti-campylobacter outer membrane protein serum antibodies in day-old chicks did not protect the chicks from campylobacter colonization.

* Corresponding author. Mailing address: Danish Veterinary Laboratory, 2 Hangøvej, 8200 Aarhus N., Denmark. Phone: 45 89372445. Fax: 45 89372470. E-mail: bha{at}svs.dk.

Applied and Environmental Microbiology, May 2001, p. 2388-2392, Vol. 67, No. 5
0099-2240/01/$04.00+0   DOI: 10.1128/AEM.67.5.2388-2392.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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Copyright © 2001 by the American Society for Microbiology. All rights reserved.