| endoparasites of the raccoon dog (nyctereutes procyonoides) and the red fox (vulpes vulpes) in denmark 2009-2012 - a comparative study. | invasive species negatively influence the biodiversity of the ecosystems they invade and may introduce pathogens to native species. raccoon dogs have very successfully invaded europe, including, recently, denmark. this study included analyses of gastrointestinal helminths and trichinella spp. from 99 raccoon dogs and 384 native red foxes collected from october 2009 to march 2012. the sedimentation and counting method used revealed that raccoon dogs and foxes harboured 9 and 13 different helminth ... | 2013 | 24533328 |