A survey of pesticide use conducted in 1982 involving 230 livestock producers in eastern South Dakota has revealed that files and lice are considered the most important external pests of livestock. Data from the survey are currently being processed and results will be available in early 1983.
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South Dakota State University
Easton, Emmett R. and Sui Shan, Au Yeung, "Current Methods Used for the Control of Files on Beef Cattle in South Dakota" (1982). South Dakota Cow-Calf Field Day Proceedings, 1982. 13.