Exzolt is a convenient treatment that induces a rapid and massive decrease in poultry red mite populations in a chicken house. Exzolt should be administered in drinking water. This can be the drinking line in a commerical facility or water container or drinking facility for backyard fowl. Exzolt 10 mg/ml solution for use in drinking water for chickens containing fluralaner is for the treatment of poultry red mite (Dermanyssus gallinae) infestation in pullets, breeders and layer hens. Withdrawal periods Meat and offal: 14 days. Eggs: zero days.