Message Number: FHL12385 | New FHL Archives Search
From: Sukie Crandall
Date: 2010-10-23 16:16:18 UTC
Subject: [ferrethealth] abstract
To: fhl <>

> J Wildl Dis. 2010 Oct;46(4):1141-51.
> Leptospirosis in free-ranging endangered European mink (mustela=20
> lutreola) and other small carnivores (mustelidae, viverridae) from=20
> southwestern france.
> Moinet M, Fournier-Chambrillon C, Andr=E9-Fontaine G, Aulagnier S,=20
> Mespl=E8de A, Blanchard B,Descarsin V, Dumas P, Dumas Y, Co=EFc C, Couzi =

> L, Fournier P.
> Groupe de Recherche et d'Etude pour la Gestion de l'Environnement,=20
> route de Pr=E9chac, 33730 Villandraut, France.
> Abstract
> To study the possible role of disease in the decline of endangered=20
> European mink (Mustela lutreola), we conducted a survey of antibody=20
> prevalence and renal carriage of pathogenic leptospira (Leptospira=20
> interrogans sensu lato) using serum and kidney samples collected=20
> from 1990 to 2007 from several free-ranging small carnivores and=20
> farmed American mink (Mustela vison) in southwestern France. An=20
> indirect microscopic agglutination test using a panel of 16 serovars=20
> belonging to 6 serogroups (Australis, Autumnalis, Icteroh=E6morrhagi=E6, =

> Grippotyphosa, Panama, Sejroe) revealed antibodies in all species,=20
> with significant differences in antibody prevalences: 74% in=20
> European mink (n=3D99), 65.4% in European polecats (Mustela putorius, =

> n=3D133), 86% in American mink (n=3D74), 89% in stone martens (Martes =

> foina, n=3D19), 74% in pine martens (Martes martes, n=3D19), 35% in=20
> common genets (Genetta genetta, n=3D79), and 31% in farmed American=20
> mink (n=3D51). Serogroups Australis and Icteroh=E6morragi=E6 were dominan=
> in most free-ranging species; serogroup Grippotyphosa had high=20
> prevalences in European mink. Such high antibody prevalences have=20
> never been reported. They are probably related to the large number=20
> of known reservoirs, rats (Rattus spp.), muskrat (Ondatra=20
> zibethicus), and coypu (Myocastor coypu), in the study area. The=20
> polymerase chain reaction test specific for pathogenic leptospiral=20
> DNA detected renal carriage in 23% of 34 European mink, 22% of 18=20
> polecats, and 15% of 33 free-ranging American mink, with no=20
> significant differences. Renal carriage shows that mustelids may=20
> shed leptospira for short periods, but their epidemiologic role is=20
> probably limited. High antibody prevalences suggest that the disease=20
> is unlikely to be highly pathogenic for these species; however,=20
> chronic forms of the disease (abortions, renal lesions) could reduce=20
> the reproductive success or life span of infected animals. Further=20
> studies on the pathogenicity of leptospirosis in these populations=20
> are needed to measure its impact on the population dynamics of these=20
> rodent predators.
> PMID: 20966265 [PubMed - in process]


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