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Investigations of Disease Factors Affecting Declines of Pacific Herring Populations in PWS: Viral Hemorrhagic Septicemia (VHS) and Ichthyophonus hoferi

Field and laboratory studies will focus on Viral Hemorrhagic   Septicemia (VHS) and Ichthyophonus hoferi, a pathogenic fungus, to   determine their role in the disease and mortality observed in PWS   herring since 1993. Herring in PWS will be monitored three times per   year for signs of disease and immune status. Specific pathogen-free   herring will be used to determine the degree of mortality, blood   chemical changes and pathogenicity produced by these organisms alone   and in combination with exposure to stressors such as petroleum   hydrocarbons, temperature and crowding.    (VHS); (VHSv); (viral hemorrhagic septicemia); (viral haemorrhagic   septicaemia); (viral hemmorrhagic septicemia)

Status
In progress
Type
Project
Start Date
End Date
Scope of Study
Field Investigation
Laboratory Investigation
Impact of Pollutants
Exotic Species
Resource Management
Fisheries
Biology And Life History
Parasites and Diseases
Annex Numbers
Research & Development
Annex 17
Impact of water quality and AIS on fish and wildlife populations and habitats
General
Annex
  • Annex Numbers
    Annex Numbers
    Research & Development
  • Annex 17
    Annex 17
    Impact of water quality and AIS on fish and wildlife populations and habitats

The Great Lakes - St. Lawrence Research Inventory is an
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Great Lakes - St. Lawrence Region.