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08/10/2023
Since 2019, the raccoon dog has been listed as an invasive species of Union concern and is suspected of having a negative impact on native biodiversity and endangering human and animal health. In this study, 73 raccoon dogs from Germany were examined for their parasitization and diet. Twenty parasite species were identified, six of which have human pathogenic potential, e.g. Echinococcus multilocularis. Predation on a large number of animals was also demonstrated, including protected species such as the grass frog. In addition, a connection between nutrition and parasitization could be deduced.

Schantz AV, Dörge, DD, Peter N, Klimpel S (2023). The hidden threat: Exploring the parasite burden and feeding habits of invasive raccoon dogs (Nyctereutes procyonoides) in central Europe. International Journal for Parasitology: Parasites and Wildlife 22, 155–166. https://doi.org/10.1016/j.ijppaw.2023.10.004
05/09/2023
The raccoon dog Nyctereutes procyonoides, which originates from Asia, is an invasive species that is increasingly spreading in Europe. This is associated with the risk of introducing and spreading various pathogens, such as the fox tapeworm or Trichinella. The aim of this study from Romania was to investigate the occurrence of Trichinella larvae in tanuki found there by artificially digesting muscle tissue and amplifying and sequencing larvae using multiplex PCR. As a result, Trichinella britovi was detected for the first time in raccoon dogs in Romania, confirming the role of the raccoon dog as a vector for pathogens.

Marin AM, et al. 2023. The First Identification of Trichinella britovi in the Raccoon Dog (Nyctereutes procyonoides) in Romania. Pathogens 12, 1132. https://doi.org/10.3390/pathogens12091132
08/07/2023
The raccoon, which is invasive in Europe, continues to spread in its new range. As a carrier of various parasites and other pathogens, it is suspected of posing a health risk. With this in mind, 102 raccoons from Baden-Württemberg were examined for intestinal parasites in this study between 2019 and 2020. Four nematode, three cestode and three trematode species were found. Of the raccoons examined, 72.3% were infested with at least one of the parasite species. 6 of the identified parasite species have a human pathogenic potential. These results indicate that raccoons can certainly pose a risk of infection.

Reinhardt NP, Wassermann M, Härle J, Romig T, Kurzrock L, Arnold J, Großmann E, Mackenstedt U, Straubinger RK (2023) Helminths in Invasive Raccoons (Procyon lotor) from Southwest Germany. Pathogens. 12(7):919. https://doi.org/10.3390/pathogens12070919