A method of controlling poultry coccidiosis in chickens through the application of a formulated disinfectant and administration of a formulated coccidiostat provided in drinking water for the chickens. The method of the present invention includes formulation of a phenolic based disinfectant wherein the disinfectant includes phenol derivatives, organic solvents, organic acids, inorganic acids and an anionic surfactant. The disinfectant is applied to the surface of the area where chickens will be raised prior to placement of the chickens. A coccidiostat is formulated wherein the coccidiostat includes a water extract of Salvia Libonitica, eucalyptus oil and peppermint oil. The coccidiostat is diluted in drinking water that is provided to the chickens during the first thirty five days of raising. The drinking water having the coccidiostat diluted therein is provided intermittently a total of fifteen times during the initial thirty-five day raising period.
