EPF Probiotic + Vitamins.   This all natural advanced formula has Live and Active Probiotic cultures. Its also infused with all the vitamins our feathered friends need. This product will keep birds healthy, boost egg productions and you will see a better hatch rate. We are using this product over 4 years now. Absolutely nothing on the market like this product. We give it to our exotic pheasants, quail, peafowl, waterfowl, chickens and pigeons.