Experimental inoculation of mallard ducks (Anas platyrhynchos
- From: "georgia" <jwissmille@xxxxxxx>
- Date: 23 Jul 2005 18:03:13 -0700
"........ Thus,
mallards could disseminate B. burgdorferi over long distances without
the need of an arthropod vector...."
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=2644453&query_hl=8
* *J Wildl Dis. 1989 Jan;25(1):99-102.
*Experimental inoculation of mallard ducks (Anas platyrhynchos
platyrhynchos) with Borrelia burgdorferi.*
*Burgess EC.*
University of Wisconsin, School of Veterinary Medicine, Madison
53706.
Birds have been incriminated as disseminaters of Borrelia
burgdorferi and have the potential to spread the organism over a wide
geographic range. Borrelia burgdorferi has been isolated from the liver
and blood of passerine birds and from Ixodes dammini removed from
passerines. The objective of this study was to determine if waterfowl,
specifically mallards (Anas platyrhynchos platyrhynchos), were
susceptible to infection with B. burgdorferi. Eight ducks were
inoculated with B. burgdorferi; four orally and four intravenously
(i.v.) and two ducks were inoculated with phosphate buffered saline as
controls. All eight inoculated birds became infected and developed
antibodies to B. burgdorferi. The spirochete was isolated from cloacal
material from an orally infected duck on day 22 postinoculation (PI)
and
from an i.v. infected bird on day 29 PI, from the blood of an i.v.
infected bird on day 7 PI, and from the kidney of an orally infected
bird. Borrelia burgdorferi was detected by indirect immunofluorescence
using the B. burgdorferi specific monoclonal antibody H5332 in kidneys
of three orally infected birds and one i.v. infected bird and from the
mesentery of one orally infected bird. These findings show that mallard
ducks are susceptible to infection by B. burgdorferi and that they can
be infected orally and shed the organism in the droppings. Thus,
mallards could disseminate B. burgdorferi over long distances without
the need of an arthropod vector.
PMID: 2644453 [PubMed - indexed for MEDLINE]
.
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