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 Image Number K5442-3 |
Filled with 5,000 gallons of water and tick-killing coumaphos, dipping vats like this one eliminate ticks on more than a million herd of cattle each year. Disposing of waste insecticide has become easier since ARS microbiologist Jeffrey S. Karns founds ways to speed up microbial conversion to carbon dioxide and water.
Photo by Scott Bauer
