Rooster Booster Vitamins & Electrolytes with Lactobacillus is a soluble nutritional supplement for poultry containing a source of live (viable) naturally occurring microorganisms. Feeding Directions: Drinking Water: Mix 1 ounce in 16 gallons of water for poultry and give for 3 to 5 days. Can also be used with automatic proportioners. Feed Use: Mix 8 ounces in 500 pounds of complete feed and give for 3 to 5 days. Cannot be sold in NJ or LA.