NBC Evening News for Sunday, Jun 04, 1972
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(Studio) In Lake Conway, Arkansas, envtl. experiment underway.
REPORTER: Garrick Utley
(Lake Conway, Arkansas) Near Little Rock, lake provides excellent fishing, but parts clogged with weeds and grass. Chemicals to control them are harmful. Arkansas Game and Fish Commission experiments with exotic fish, native of China, which feeds on underwater grasses.] [State biologist, Randy BOYD - explains hazards of mossos on lake. Pond where fish placed has no vegetation.] Walking catfish imported became more nuisance than help, so conservationists are cautious. In 10 years of experiments, however, no bad effects found from Chinese fish. Their eggs must be hatched artificially in laboratory as they don't spawn naturally in Arkansas waters. This will keep then from becoming a nuisance.
REPORTER: John Dancy
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