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Climate change, dams and disease: the effect of temperature-dependent myxozoan parasite T. bryosalmonae on brown trout

Project aims

  1. Determine the distribution and prevalence of Tetracapsuloides bryosalmonae in Sweden
  2. Quantify combined impact of Proliferative Kidney Disease (PKD) and increasing water temperature on brown trout recruitment using long - term national fish monitoring data
  3. Evaluate the role of dams as barriers to Tb spread and/or catalysts for PKD severity
  4. Apply and evaluate eDNA approaches to better understand Tb infectivity, distribution, and life - cycle.


Spatial and intra-host distribution of myxozoan parasite Tetracapsuloides bryosalmonae among Baltic sea trout (Salmo trutta)

Magnus Lauringson, Siim Kahar, Taigor Veevo, Maidu Silm, Duncan Philpott, Roland Svirgsden, Mehis Rohtla, Priit Päkk, Riho Gross, Tanel Kaart, Anti Vasemägi

Journal of Fish Diseases, 46, 1073–1083. https://doi.org/10.1111/jfd.13827


  • Anti Vasemägi¹, Main supervisor
  • Serena Donadi¹, Co-supervisor
  • Joacim Näslund¹, Co-supervisor
  • ¹Swedish University of Agricultural Sciences