A method of analyzing the milk and feces of cows for coumaphos and its oxygen analog after feeding coumaphos for control of house fly larvae.
D000818:Animals; D002417:Cattle; D002849:Chromatography, Gas; D005243:Feces / Q000032:analysis*; D006793:Houseflies; D007300:Insect Control; D007306:Insecticides / Q000032:analysis*; D008722:Methods; D008892:Milk / Q000032:analysis*
D007306:Insecticides