The UltraCruz Poultry Probiotic Supplement for Chickens supplies a comprehensive collection of key prebiotic and probiotics to help maintain digestive health in chickens and maintain flock health. This probiotic supplement may be especially beneficial during stressful events such as antibiotic therapy or changes in diet. It is provided as a palatable powder that mixes easily into the drinking water. Prebiotic are sources of non-digestible, soluble fiber that serve as food for probiotics, to help increase the number of beneficial bacteria present in the digestive tract. Example of prebiotics include: arabinogalactan, fructooligosaccharides, inulin, mannanoligosaccharides, pectin and psyllium.