Levucell® SC is an active dry yeast for use as a probiotic or direct-fed microbial in ruminant feeds. Levucell® SC contains the CNCM (Pasteur Institute) I -1077 strain of Saccharomyces cerevisiae .It is produced from a specially selected strain, has a well-understood mode of action, and provides a consistently high concentration of pure viable yeast. Levucell® SC can be used in most ruminant feeds and is especially useful for early lactation dairy cows and beef cattle finishing.