Yea-Sacc is the leading yeast product based on Saccharomyces cerevisiae strain 1026, a strain specifically selected to increase production, increase energy efficiency and promote a better rumen pH for performance in dairy and beef cattle at all stages of production. Yea-Sacc is the most widely-researched yeast culture on the market with over 37 years of consistent performance responses. The RS Yeasacc Farm Pack is a cost effective and efficient way of feeding yeast to dairy and beef herds, and is suitable for use in total mixed ration systems or in diet feeders.