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  • Whirling Disease Resistant Rainbows

    Whirling Disease Resistant Rainbows

    After more than 20 years of study, frustration, experimentation and dogged persistence by CPW’s aquatic researchers, the tide has turned in the fight against Whirling-disease.

  • Lake May be Drained to Stop Whirling Disease

    Lake May be Drained to Stop Whirling Disease

    An entire lake may have to be drained of all its trout — or all of its water — to stop a deadly fish parasite (whirling disease) from spreading to more waterways.

  • Whirling Disease Confirmed in N.C.'s Watauga River

    Whirling Disease Confirmed in N.C.'s Watauga River

    On July 27, 2015, whirling disease was confirmed in rainbow trout collected from Watauga River in Watauga County– the first occurrence of the disease in North Carolina. Whirling disease affects fish in the trout and salmon family with rainbow and brook trout, two species found in North Carolina waters, being the most susceptible

  • Whirling Disease Found in Wautauga River Rainbow Trout in NC

    Whirling Disease Found in Wautauga River Rainbow Trout in NC

    Whirling disease, a disorder affecting trout, has been confirmed in rainbow trout collected from Watauga River near Foscoe in Watauga County — the first occurrence of the disease in North Carolina.

  • Hot Creek Hatchery Tests Positive for Whirling Disease, Trout Stocking to Continue in Area Waters

    Hot Creek Hatchery Tests Positive for Whirling Disease, Trout Stocking to Continue in Area Waters

    The California Department of Fish and Wildlife (CDFW) recently learned Hot Creek Hatchery near Mammoth Lakes has tested positive for the parasite that causes whirling disease. Whirling disease was detected in wild trout populations in Inyo and Mono Counties more than 30 years ago.