Pre-biotics- which enhance the growth of beneficial gut bacteria and inhibit the growth of pathogenic bacteria. Keeps the pro-biotic bacteria alive and growing. Encapsulated live yeast (saccharomyces cervisae) which improves the digestion of crude fibre, the absorption of minerals and the production and absorption of B vitamins. Enzymes- to improve the digestion of cereal and soybean feeds. Vitamins and Minerals.