The finest beneficial bacteria available (pro-biotic). It helps maintain natural flora in the crop and gut. A must after medication and stress. This product will help firm soft droppings and increase appetite. Be sure to change the water and clean fountains daily. These are LIVE BACTERIA!!! Add 1 teaspoon per gallon for 2-3 days. Use after youve medicated to rebuild good bacteria. Rejuvenation 1 lb.