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2021 Natural Recipes for Flea & Tick Sprays

Download our sample recipes for information only.  These recipes have not been tested in a rigorous manner for safety and effectiveness.  These are not for use in cats and have not been assessed anecdotally in any species other than dogs.  These compilations are intended for veterinarians to study insofar as their pharmacologic mechanisms and toxicity comparisons to currently promoted synthetic insecticides.