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peer-reviewed research article

Integrated fly control on poultry ranches

authors

E. F. Legner, Biological Control and Entomologist
W. R. Bowen, U.C.
W. F. Rooney, Farm Advisors
W. D. McKeen, Farm Advisors
G. W. Johnston, U.C.

publication information

California Agriculture 29(5):8-10. DOI: 10.3733/ca.v029n05p8. May 1975.

author affiliations

E. F. Legner is Professor of Biological Control and Entomologist, Division of Biological Control, University of California at Riverside. W. R. Bowen is Extension Entomologist, U.C., Riverside. W. F. Rooney are Farm Advisors, Sun Bernardino County. W. D. McKeen are Farm Advisors, Sun Bernardino County. G. W. Johnston is Staff Research Associate, Cooperative Extension, U.C., Riverside.

abstract

Significant reductions of seven species of flies breeding in poultry manure were attained over a 20-month period through procedures that favored the natural increase of predatory and scavenger arthropods and by periodic inoculative releases of four parasitic Hymenoptera. Parasite releases during springtime had an apparently greater direct effect on fly reduction than did similar releases in the summer. Autumn releases were not evaluated. A minimum manure height of 8–12 inches (20–30 cm) was considered essential for minimum fly production. The importance of manure stability and importations of additional beneficial species are also discussed.

author notes

The authors are grateful for the assistance of R. F. Hobza, formerly with Cooperative Extension, U.C., Riverside; T. V. Hartle, Agricultural Field Assistant, San Bernardino County; the Department of Public Health, San Bernardino County; and the Rincon-Vitova Insectaries, Inc., Riverside.


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