E. T. Valtonen

Research.com Recognitions

• 2026 - Research.com Animal Science and Veterinary in Finland Leader Award
• 2025 - Research.com Animal Science and Veterinary in Finland Leader Award
• 2023 - Research.com Animal Science and Veterinary in Finland Leader Award
• 2022 - Research.com Animal Science and Veterinary in Finland Leader Award

Overview

Best Publications

• Intensive fish farming and the evolution of pathogen virulence: the case of columnaris disease in Finland

  K. Pulkkinen;L.-R. Suomalainen;A. F. Read;D. Ebert

  349
  Citations

• Increasing water temperature and disease risks in aquatic systems: Climate change increases the risk of some, but not all, diseases

  Anssi Karvonen;Päivi Rintamäki;Jukka Jokela;E. Tellervo Valtonen

  348
  Citations

• Parasite-induced change in host behaviour and susceptibility to predation in an eye fluke–fish interaction

  Otto Seppälä;Anssi Karvonen;E. Tellervo Valtonen

  231
  Citations

• Eutrophication, pollution and fragmentation: effects on parasite communities in roach (<i>Rutilus rutilus</i>) and perch (<i>Perca fluviatilis</i>) in four lakes in central Finland

  Unknown

  174
  Citations

• A link between ectoparasite infection and susceptibility to bacterial disease in rainbow trout.

  M. Bandilla;E.T. Valtonen;L.-R. Suomalainen;P.J. Aphalo

  172
  Citations

• Manipulation of fish host by eye flukes in relation to cataract formation and parasite infectivity

  Otto Seppälä;Anssi Karvonen;E. Tellervo Valtonen

  161
  Citations

• Influence of rearing conditions on Flavobacterium columnare infection of rainbow trout, Oncorhynchus mykiss (Walbaum).

  Suomalainen Lr;Tiirola Ma;Valtonen Et

  141
  Citations

• Eye fluke-induced cataract formation in fish: quantitative analysis using an ophthalmological microscope.

  A. Karvonen;O. Seppälä;E. T. Valtonen

  140
  Citations

• Parasite resistance and avoidance behaviour in preventing eye fluke infections in fish.

  A. Karvonen;O. Seppälä;E. T. Valtonen

  138
  Citations

• The predictability of helminth community structure in space: a comparison of fish populations from adjacent lakes.

  Robert Poulin;E.Tellervo Valtonen

  137
  Citations

• Fish population size, and not density, as the determining factor of parasite infection: a case study.

  A M Bagge;Robert Poulin;E T Valtonen

  129
  Citations

• Dactylogyrids on the gills of roach in central Finland: features of infection and species composition.

  M. Koskivaara;E.T. Valtonen;M. Prost

  121
  Citations

• Transmission, infectivity and survival of Diplostomum spathaceum cercariae.

  A. Karvonen;S. Paukku;E. T. Valtonen;P. J. Hudson

  120
  Citations

• Nested assemblages resulting from host size variation: the case of endoparasite communities in fish hosts.

  Robert Poulin;E.Tellervo Valtonen

  111
  Citations

• The structure of parasite component communities in brackish water fishes of the northeastern Baltic Sea.

  E. T. Valtonen;K. Pulkkinen;R. Poulin;M. Julkunen

  110
  Citations

• Shoaling behaviour of fish under parasitism and predation risk

  Otto Seppälä;Anssi Karvonen;E. Tellervo Valtonen

  103
  Citations

• Vertebrate diets derived from trophically transmitted fish parasites in the Bothnian Bay

  E. T. Valtonen;David J. Marcogliese;Markku Julkunen

  97
  Citations

• Epizootiology of protozoans in farmed salmonids at northern latitudes

  Päivi Rintamäki-Kinnunen;E.Tellervo Valtonen

  95
  Citations

• Patterns of cercarial production from Diplostomum spathaceum: terminal investment or bet hedging?

  A. Karvonen;S. Kirsi;P. J. Hudson;E. T. Valtonen

  93
  Citations

• Chondroitin AC lyase activity is related to virulence of fish pathogenic Flavobacterium columnare.

  Suomalainen Lr;Tiirola M;Valtonen Et

  92
  Citations

• Climate warming and disease risks in temperate regions--Argulus coregoni and Diplostomum spathaceum as case studies.

  T. Hakalahti;A. Karvonen;E.T. Valtonen

  88
  Citations

• Parasite communities as indicators of recovery from pollution : parasites of roach (Rutilus rutilus) and perch (Perca fluviatilis) in Central Finland

  E. T. Valtonen;J. C. Holmes;J. Aronen;I. Rautalahti

  87
  Citations

• Perch (Perca fluviatilis L.) parasites reflect ecosystem conditions: a comparison of a natural lake and two acidic reservoirs in Finland.

  A Halmetoja;E.T Valtonen;E Koskenniemi

  84
  Citations

• Dactylogyrus (Monogenea) communities on the gills of roach in three lakes in Central Finland

  M. Koskivaara;E. T. Valtonen

  79
  Citations

• Parasite-induced aggression and impaired contest ability in a fish host

  V N Mikheev;A F Pasternak;J Taskinen;E T Valtonen

  77
  Citations

• Molecular diversity and growth features of Flavobacterium columnare strains isolated in Finland.

  L.-R. Suomalainen;H. Kunttu;E. T. Valtonen;V. Hirvelä-Koski

  77
  Citations

• Gill anomalies of perch and roach from four lakes differing in water quality

  A. Haaparanta;E. T. Valtonen;R. W. Hoffmann

  76
  Citations

• Life history characteristics of Argulus foliaceus L. (Crustacea: Branchiura) populations in Central Finland.

  A. F. Pasternak;V. N. Mikheev;E. T. Valtonen

  76
  Citations

• Population structure and recruitment of the ectoparasite Argulus coregoni Thorell (Crustacea: Branchiura) on a fish farm.

  T. Hakalahti;E. T. Valtonen

  72
  Citations