Microbial products used in this way originally called "probiotics," or products "for life." However, the term "probiotic" implies curative properties.

The feed industry, in conjunction with regulators, has received a more general term of "direct microbial eat" (DFM) to describe a microbial feed additive based. Also, a list of acceptable micro-organisms for use in animal feed was developed.  You can find the best yeast for dairy cows in your area.

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Research has shown that the preparation of viable yeast products can stimulate specific groups of beneficial bacteria in the rumen and has provided a mechanistic model to explain the impact on animal performance.

DFMs fungi have been popular additions to ruminant diets over the years. Generally, three types of fungi additives are available.  Some products contain live yeast (Saccharomyces cerevisiae) associated with the culture medium of their growth.

The yeast species most commonly utilized in the feed industry is Saccharomyces cerevisiae. It is usually eaten in dairy cattle rations to alter rumen fermentation to improve the digestion of nutrients, use of N reduces the risk of rumen acidosis, and enhances animal performance.

Rumen pH regulation is a key determinant in the maintenance of optimal rumen function. Stabilization of ruminal pH in the presence of live yeast has been reported in the literature.

The latest study analysis conducted in both the dairy and beef cattle has demonstrated significant benefits by direct yeast in milk production and feed efficiency.