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USGS · 2000017

A review of the literature on the use of Bayluscide in fisheries

Sandra E. Hamilton
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Abstract

In the United States Bayluscide has had multiple uses. The 70% wettable powder has been used in Puerto Rico for snail control and the 5% granular formulation has been tested in Michigan and Wisconsin against freshwater snails serving as inter mediate hosts of the trematode causing swimmers' itch. Bayluscide has also been used in field trials as a fish toxicant. Its most important use in North America, however, has been to control sea lampreys, Petromyzon marinus, in the Great Lakes, a necessary prerequisite for the restoration of Great Lakes sport and commercial fisheries. Since 1966 the 5% granular formulation has been used by the U.S. Fish and Wildlife Service and the Canadian Department of Environment as a toxicant to survey populations of larval sea lampreys in Great Lakes estuaries and deepwater tributaries. The Canadian Government also uses Bayluscide to control sea lampreys, but in the United States the present registration restricts use to population surveys only. Literature on the mixtures of Bayluscide and the selective lamprey toxicant, TFM, used since 1964 by both the U.S. and Canadian agencies to control larval sea lampreys in the Great Lakes, has been reviewed elsewhere and is not included in this review.

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BibTeXRIS

Sandra E. Hamilton. 1974. A review of the literature on the use of Bayluscide in fisheries. https://pubs.usgs.gov/publication/2000017

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USGS1974

A review of the literature on the use of TFM-Bayluscide in fisheries

Since 1956 the Great Lakes Fishery Commission has been responsible for formulating and implementing a program to eradicate or control the sea lamprey in the Great Lakes. The U.S. Fish and Wildlife Service and the Sea Lamprey Control Centre of the Canadian Department of the Environment act as agents for the Commission in sea lamprey control. In the search for a selective lampricide that would control lampreys without destroying fish and other aquatic organisms, about 6,000 chemicals were tested at the Hammond Bay Biological Station of the U.S. Fish and Wildlife Service, largely during the mid 1950's. One compound, TFM, which is selectively toxic to sea lampreys was developed for field use. In 1963 Bayluscide was discovered to be extremely toxic to sea lampreys. Because Bayluscide is also very toxic to fish, being virtually nonselective between lampreys and rainbow trout, only 3% by weight can be added to TFM without losing the selective toxicity of TFM. Addition of small amounts of Bayluscide to TFM, however, effects substantial savings by greatly reducing the amount of TFM needed for effective treatment of lamprey populations. Since 1963 mixtures of TFM and Bayluscide have been used as a lampricide in tributaries of the Great Lakes by both the U.S. and Canadian governments.

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