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Epidemiological analysis of Trichinella spiralis infections of foxes in Brandenburg, Germany

Published online by Cambridge University Press:  01 August 1999

K. WACKER ,
E. RODRIGUEZ ,
T. GARATE ,
L. GEUE ,
K. TACKMANN ,
T. SELHORST ,
C. STAUBACH  and
F. J. CONRATHS
K. WACKER
Affiliation:
Federal Research Centre for Virus Diseases of Animals, D-16868 Wusterhausen, Germany
E. RODRIGUEZ
Affiliation:
Ministerio de Sanidad y Consumo, Instituto de Salud Carlos III, C.N.M., Majadahonda, Madrid, Spain
T. GARATE
Affiliation:
Ministerio de Sanidad y Consumo, Instituto de Salud Carlos III, C.N.M., Majadahonda, Madrid, Spain
L. GEUE
Affiliation:
Federal Research Centre for Virus Diseases of Animals, D-16868 Wusterhausen, Germany
K. TACKMANN
Affiliation:
Federal Research Centre for Virus Diseases of Animals, D-16868 Wusterhausen, Germany
T. SELHORST
Affiliation:
Federal Research Centre for Virus Diseases of Animals, D-16868 Wusterhausen, Germany
F. J. CONRATHS
Affiliation:
Federal Research Centre for Virus Diseases of Animals, D-16868 Wusterhausen, Germany
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Abstract

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In a cross-sectional study conducted between March 1993 and February 1995, 7103 indiscriminately collected foxes were examined for Trichinella larvae. A total of 3295 serum samples were serologically investigated with an ELISA based on excretory-secretory antigen. The proportion of serologically positive animals ranged between 3·3% and 17·6% in random samples from individual counties or towns and resulted in an estimated overall prevalence of 7·7% (95% CI: 6·9–8·7%). Trichinella larvae were detected in the muscles of five foxes, corresponding to an estimated prevalence of 0·07% in the total sample (95% CI: 0·02–0·16%). The analysis of DNA of the Trichinella isolates by random amplification of polymorphic DNA (RAPD) lead to the identification of the isolates as Trichinella spiralis. The differences between serological and parasitological findings are discussed.

Type
Research Article
Information
Epidemiology & Infection , Volume 123 , Issue 1 , August 1999 , pp. 139 - 147
Copyright
© 1999 Cambridge University Press