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Schmallenberg virus circulation among red and roe deer populations in Belgium
Garigliany, Mutien-Marie; Volpe, Rosario; Paternostre, Julien et al.
2013In 31th Congress of the International Union of Game Biologists, Abstract Book
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Keywords :
Schmallenberg; Roe deer; Red deer
Abstract :
[en] Schmallenberg virus (SBV) is a recently discovered vector-borne Orthobunyavirus targeting ruminants. It is transmitted by Culicoides biting midges and caused a large outbreak in European sheep and cattle populations in 2011 and 2012. The infection of adults was associated with a drop in milk production, fever and diarrhea. But the virus was further shown to cross the placental barrier and to be responsible for a hydrocephaly/arthrogryposis syndrome in calves and lambs. After its occurrence in 2011 in Germany, SBV quickly spread across Europe and in spring 2012 more than 90% of Belgian domestic cattle had seroconverted. To assess the susceptibility of wild ruminants to the infection, a total number of 547 and 494 sera, from red (Cervus elaphus) and roe deer (Capreolus capreolus), respectively, were collected during the hunting seasons 2010 to 2012 and tested for the presence of anti-SBV antibodies. While no samples from 2010 revealed to be positive, about two-thirds of red deer and half of roe deer sampled in 2011 were seropositive. In 2012, the seroprevalence dropped to 33% in red deer and remained stable in roe deer. The high seroprevalence rates found in both species in Belgium shows that wild ruminants are susceptible to the infection by SBV. If the infection of deer was associated to a hydrocephaly/arthrogryposis syndrome similar to that observed in domestic ruminants is still unknown. There is currently no evidence of such a transplacental passage in red or roe deer. The decrease in the seroprevalence observed in red deer in 2012 might be the result of the turn-over in the red deer population and reflect an absence of virus circulation in 2012. Further investigations in the upcoming years will help to enlighten this point.
Disciplines :
Microbiology
Author, co-author :
Garigliany, Mutien-Marie  ;  Université de Liège - ULiège > Département de morphologie et pathologie > Pathologie spéciale et autopsies
Volpe, Rosario ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Département des maladies infectieuses et parasitaires
Paternostre, Julien ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Santé et pathologies de la faune sauvage
Desmecht, Daniel ;  Université de Liège - ULiège > Département de morphologie et pathologie > Pathologie spéciale et autopsies
Linden, Annick  ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Santé et pathologies de la faune sauvage
Language :
English
Title :
Schmallenberg virus circulation among red and roe deer populations in Belgium
Publication date :
27 August 2013
Event name :
31th Congress of the International Union of Game Biologists
Event organizer :
Lecoq Yves
Event place :
Brussels, Belgium
Event date :
27, 28 et 29 August, 2013
Audience :
International
Main work title :
31th Congress of the International Union of Game Biologists, Abstract Book
Pages :
P.WH.07
Peer reviewed :
Peer reviewed
Funders :
SPW DG03-DGARNE - Service Public de Wallonie. Direction Générale Opérationnelle Agriculture, Ressources naturelles et Environnement [BE]
Available on ORBi :
since 28 August 2013

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