Epidemiological survey of trichinellosis in wild boar ( Sus scrofa) and fox ( Vulpes vulpes) in a French insular region, Corsica

The Mediterranean island of Corsica was considered Trichinella-free until 2004, when T. britovi larvae were discovered in domestic pigs at meat inspection. One red fox was also found infected the same year and in the same area than the infected pigs. This last finding highlighted the presence of tri...

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Bibliographic Details
Published in:Veterinary parasitology 2010-08, Vol.172 (1), p.150-154
Main Authors: Richomme, C., Lacour, S.A., Ducrot, C., Gilot-Fromont, E., Casabianca, F., Maestrini, O., Vallée, I., Grasset, A., van der Giessen, J., Boireau, P.
Format: Article
Language:English
Subjects:
Animal biology
Animals
Animals, Wild
Antibodies, Helminth - analysis
Artificial digestion
Corsica
Diaphragm - parasitology
epidemiological studies
Epidemiology
food contamination
food sanitation
Foxes
France - epidemiology
Life Sciences
meat quality
Seasons
Seroepidemiologic Studies
Serology
Sus scrofa
Swine
Swine Diseases - epidemiology
Swine Diseases - parasitology
Trichinella - isolation & purification
Trichinella britovi
Trichinellosis - epidemiology
Trichinellosis - parasitology
Trichinellosis - veterinary
trichinosis
Veterinary medicine and animal Health
Vulpes vulpes
wild boars
Wildlife
wildlife diseases
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Summary:The Mediterranean island of Corsica was considered Trichinella-free until 2004, when T. britovi larvae were discovered in domestic pigs at meat inspection. One red fox was also found infected the same year and in the same area than the infected pigs. This last finding highlighted the presence of trichinellosis in Corsican wildlife. A Trichinella survey was thus performed in wild boar ( Sus scrofa) and fox ( Vulpes vulpes), the two large wild species present on the island, to determine prevalence of muscle larvae and antibodies. Diaphragm muscles of 1881 wild boars and 74 forelegs of foxes were tested by artificial digestion. No Trichinella larva was identified. The highly sensitive ELISA was used to test muscle fluid samples of 1492 wild boars. The apparent serological prevalence of Trichinella infections in wild boar was 2.01% (95% CI: 1.36–2.86). The present results suggest that wildlife is currently exposed to Trichinella in Corsica. In this context, adequate cooking and veterinary controls of meat offer the only complete sanitary warranties to consumers.
ISSN:0304-4017
1873-2550
DOI:10.1016/j.vetpar.2010.04.026