What question did this study set out to answer?

To assess how Saccharomyces cerevisiae affects the degradability kinetics of corn silage in beef cattle diets.

Using the Ruminal Degradability Kinetics of a Corn Silage Substrate to Apprise the Effects of Saccharomyces Cerevisiae in Beef Cattle Grower and Finisher Diets

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To assess how Saccharomyces cerevisiae affects the degradability kinetics of corn silage in beef cattle diets.
Used eight surgically prepared beef steers with ruminal fistulas in a 4 × 4 Latin square design.
Implemented a 2 × 2 factorial arrangement of treatments for live yeast and diet type.
Conducted incubation of corn silage substrate in the rumen using nylon bags at various time points.
Applied first-order kinetics modeling using SAS for analysis.
No interaction between diet type and yeast for degradability variables was observed, except for a tendency in finisher diets.
Live yeast significantly increased effective degradability of organic matter at various rates of passage.
Steers on grower diets had higher potentially degradable fractions and lower undegradable fractions than those on finisher diets.

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Evaluates the impact of live yeast on corn silage degradability in beef cattle diets, indicating possible benefits for finisher diets.

Henry et al. (2026) studied this question.

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