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Viral Hemorrhagic Septicemia . Julie McGivern. Basics of VHS. Widespread Very contagious Affects fresh and salt water fishes Most active in cold temperatures Can not kill you!. Cause. Viral Hemorrhagic Septicemia Virus (VHSv) Rhabdovirus 4 Types of VHSv. Symptoms.
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Viral Hemorrhagic Septicemia Julie McGivern
Basics of VHS • Widespread • Very contagious • Affects fresh and salt water fishes • Most active in cold temperatures Can not kill you!
Cause • Viral Hemorrhagic Septicemia Virus (VHSv) • Rhabdovirus • 4 Types of VHSv
Symptoms Bulging eyes, bloated abdomen, inactive or overactive behavior, and hemorrhaging in the eyes, skin, gills, and at the base of the fins
Vectors Fish Water
Transmission • Direct contact of carriers and contaminated water or feed • Vertical transmission • Blood sucking parasites
Species There are 45 known susceptible species. Among them are… Black crappie, Freshwater drum, Rainbow trout, Bluegill, Gizzard shad, Redhorse sucker, Bluntnose minnow, Grayling, Rock bass, Brown bullhead, Brown trout, Herring, Smallmouth bass, Burbot, Japanese flounder, Turbot, Channel catfish, Largemouth bass, Walleye, Chinook salmon, Muskellunge, Haddock, Coho salmon, Pike, White perch, Chum salmon, Pink salmon, Yellow perch, Emerald shiner, Pumpkinseed, Rainbow trout, Round goby, White bass
The Great Lakes Region Likely introduced in 2002 or 2003
Disease Control • Improving egg disinfection • Mandating testing prior to the transfer of wild fish • Improving the practices of the bait industry • Improving the practices of recreational boaters • Ensuring the commercial fishing industry does not transfer infected fish into uninfected waters • Informing public on the pathogen and how to prevent its spread • Additional research on transmission and susceptibility