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1 January 1972 STUDIES ON THE CONTROL OF WHIRLING DISEASE (Myxosoma cerebralis).
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Abstract

Based on presumptive evidence of death (extrusion of polar filaments and disintegration of sporoplasm) 1.0%, 0.5%, and 0.25% calcium oxide or potassium hydroxide killed the spores of Myxosoma cerebrallis in vitro. Chlorine at 400 ppm destroyed 36% to 90% of the spores but 13% to 37% of those in the controls perished. Calcium hydroxide, ammonium chloride, sodium borate, potassium permanganate, Roccal (alkyl dimethylbenzylammonium chloride), and copper sulfate allowed survival of 38–96% of the spores, usually not much less than the rate of survival of the controls.

In simulated pond testing, quicklime at 380 grams or more per square meter (3360 lbs/acre) of pond bottom prevented whirling disease in rainbow trout (Salmo gairdneri).

G. L. HOFFMAN Sr. and G.L. HOFFMAN "STUDIES ON THE CONTROL OF WHIRLING DISEASE (Myxosoma cerebralis).," Journal of Wildlife Diseases 8(1), 49-53, (1 January 1972). https://doi.org/10.7589/0090-3558-8.1.49
Received: 5 July 1971; Published: 1 January 1972
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