The potential role of scavengers in spreading African swine fever among wild boar.

Abstract:

:Understanding the transmission patterns of African swine fever (ASF) among wild boar (Sus scrofa) is an issue of major interest, especially in the wake of the current ASF epidemic. Given the high stability of ASF-virus, there is concern about scavengers spreading infectious carcass material in the environment. Here, we describe scavenging activities on 32 wild boar carcasses in their natural habitat in Germany. Using digital cameras, we detected 22 vertebrates at the study sites, thereof two mammal and three bird species scavenging. The most frequently detected species was the raccoon dog Nyctereutes procyonoides (44% of all visits). Raccoon dogs, red foxes (Vulpes vulpes), and buzzards (Buteo buteo) scavenged in the warm and the cold season, while ravens (Corvus corax) and white-tailed eagles (Haliaeetus albicilla) scavenged only in the cold season. In summer, however, insects removed most of the carcass biomass. Although most of the material was consumed on the spot, foxes, raccoon dogs and ravens left the study sites in rare cases with a small piece of meat in their mouths or beaks. We conclude that scavengers represent a minor risk factor for spreading ASF, but may contribute to reducing local virus persistence by metabolizing infected carcasses.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Probst C,Gethmann J,Amler S,Globig A,Knoll B,Conraths FJ

doi

10.1038/s41598-019-47623-5

subject

Has Abstract

pub_date

2019-08-07 00:00:00

pages

11450

issue

1

issn

2045-2322

pii

10.1038/s41598-019-47623-5

journal_volume

9

pub_type

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