Abstract
Abstract Three factors were identified in the 1940’s as basic considerations to successful filth fly control by local county health agencies: community efforts to support a program, education of the public, and preventive measures. Local and state public health agencies organized a fly control program in 1950 involving urban and industrial wastes; agricultural wastes of animal and crop production were included later to complete a statewide effort. Filth fly problems originated with waste from “living and from making a living.” California’s population growth after World War II was partly responsible for the problem because of urban sprawl into agricultural areas and concurrent, dynamic changes in farm management practices. Categories for program action included research and demonstration activities on physical, chemical, cultural, and biological control methods of filth flies associated with animal wastes. State educational programs were integrated with those of local health departments to support total community action under joint responsibilities of county supervisors, planning commissions, public health, and principal crop commodity representatives.
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