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Clinical and Diagnostic Laboratory Immunology, July 2001, p. 843-846, Vol. 8, No. 4
Division of Bacteriology1 and
Division of Parasitology and Tropical Veterinary
Medicine,2 Department of Infectious Diseases
and Immunology, Faculty of Veterinary Medicine, Utrecht University,
Utrecht, The Netherlands; Department of Veterinary Tropical
Diseases, Faculty of Veterinary Science, University of Pretoria,
Onderstepoort 0110, South Africa4; and
Faculdade de Veterinária, Universidade de Eduardo
Mondlane, Maputo, Mozambique3
Received 9 November 2000/Returned for modification 17 January
2001/Accepted 4 April 2001
A serological survey in Mozambique to detect antibodies to
Cowdria ruminantium, the etiologic agent of heartwater,
revealed a seroprevalence of 8.1% (n = 332) for
goats in the northern province of Tete and of 65.6%
(n = 326) for goats in the southern provinces. Translocation of 10 serologically negative goats from Tete to farms in
the south resulted in two clinical cases of heartwater that were fatal.
In addition, four goats seroconverted within the study period of 5 weeks. One goat showed no symptoms. Two goats died of other causes,
whereas the remaining goat went missing after 1 week. Experimental
needle infections of goats and sheep were conducted to confirm results
and to isolate different strains of C. ruminantium.
These data indicate that translocation of goats from the north to the
south of Mozambique bears a high risk of C. ruminantium
infection, which can cause fatal disease.
1071-412X/01/$04.00+0 DOI: 10.1128/CDLI.8.4.843-846.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Heartwater (Cowdria ruminantium
Infection) as a Cause of Postrestocking Mortality of Goats in
Mozambique

*
Corresponding author. Mailing address: Division of
Parasitology and Tropical Veterinary Medicine, Faculty of Veterinary
Medicine, Utrecht University, P.O. Box 80.165, 3508 TD Utrecht, The
Netherlands. Phone: (31-30) 2532568. Fax: (31-30) 2540784. E-mail:
F.Jongejan{at}vet.uu.nl.
Present address: Veterinary Epidemiology Unit, National Directorate
of Livestock, Ministry of Agriculture, Maputo, Mozambique.
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