A pair of flies beginning operations in April may be the progenerators, if all were to live, of 191,010,000,000,000,000,000 flies by August.  Enough to cover the earth 2.5 feet deep. Hodge (1911)
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Sierra Research Laboratories, SRL, was founded in January 1994 by Dr. Bill Donahue in Modesto, California.  Our primary scope is to conduct regulatory and preliminary efficacy evaluations in the fields of Urban and Veterinary Entomology. Our focus has been compound screening, formulation evaluations, insect control product development and comparative efficacy trials. We also conduct in vitro and in vivo parasitology studies for repellents and have branched out to conduct herbicide, rodenticide, and mollusicide evaluations. SRL has conducted a wide range of laboratory and field efficacy trials including product registration studies in accordance with U.S. EPA Good Laboratory Practice (GLP) guidelines as well as AAPCO 25(b) Workgroup guideance. We welcome the opportunity to work with you in designing efficacy studies to meet your needs.
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