Vectors and Transmission Dynamics of Setaria tundra in Reindeer
Author Information
Author(s): Sauli Laaksonen, Milla Solismaa, Raine Kortet, Jussi Kuusela, Antti Oksanen
Primary Institution: Finnish Food Safety Authority Evira
Hypothesis
What are the vectors and transmission dynamics of Setaria tundra in reindeer in Finland?
Conclusion
Aedes spp. mosquitoes are the most important vectors for Setaria tundra in Finland, and warm summers promote disease outbreaks by enhancing mosquito development and reindeer behavior.
Supporting Evidence
- The prevalence of S. tundra in mosquitoes varied from 0.5 to 2.5%.
- Infective larvae developed in mosquitoes at room temperature in about 14 days.
- Warm summers were linked to increased mosquito activity and reindeer flocking behavior.
Takeaway
Mosquitoes help spread a parasite that makes reindeer sick, and when it's warm outside, more mosquitoes can grow and make the reindeer gather in places where they get bitten more.
Methodology
The study involved collecting mosquitoes from various locations, examining them for S. tundra larvae, and conducting a questionnaire survey among reindeer herding cooperatives.
Limitations
The study may not account for all environmental factors affecting mosquito populations and S. tundra transmission.
Participant Demographics
Participants included Chiefs of District from 56 reindeer herding cooperatives in Finland.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website