â?¢ Fodder yeast is a highly nutritious eco-friendly feed supplement, mainly containing protein, used in the ration of livestock and poultry. It derives from pure yeast cells cultivated on a substrate of bran, brewers grains, or distillers grains and represents an excellent additive to the diet of farm animals alongside with vegetable pulp and silage. It can also be part of different premixes and concentrates. â?¢ Dry fodder yeast serves as a valuable source of protein and vitamins. Protein generated by yeast microbes outscores animal protein in terms of digestibility and level of amino acids boosting nutritional value of proteins in the rest of feed. Protein supplied by fodder yeast is highly digestiblein animals reaching 95%. Sulphur together with its compounds participates in organic processes resulting in production of amino acids. Enzymes allow the yeast to assimilate amino acids faster and catalyze the protein synthesis process. Calcium and phosphorus present in the yeast contribute to a healthy development of the skeleton. Fat metabolism is regulated by B vitamins in which yeast is rich. â?¢ No contraindications exist regarding the fodder yeast usage. Its overdose entails no side effects. The cattle slaughter time and the technological suitability of milk are not affected by this product. Unicellular organisms, such as fungi of the genus Candida, Saccharomyces, Hansenula, Torulopsis, are normally used as strains to produce fodder yeast. They proliferate in a microbiological medium supplying carbohydrate, N, P, K, Mg, Ca, Fe, Mn, Zn etc. minerals, and dissolved oxygen. An increase in biomass is characterized by fermentation and synthesis of protein in a yeast cell.