Abstract The objective of this study was to evaluate the effect of Saccharomyces cerevisiae on nutrient intake and digestibility, the protozoan population and ruminal fermentation kinetics of cattle fed diets… Click to show full abstract
Abstract The objective of this study was to evaluate the effect of Saccharomyces cerevisiae on nutrient intake and digestibility, the protozoan population and ruminal fermentation kinetics of cattle fed diets containing brewers grains. Four ruminally cannulated crossbreed steers were distributed in a 4 × 4 Latin square. The treatments were in a 2 × 2 factorial arrangement: with or without the inclusion of brewers grains x with or without the addition of S. cerevisiae. Dried brewers grains were included at 11.7% of the dry matter (DM) of the diet. Yeast (S. cerevisiae CNCM I-1077 containing 1.0 × 109 CFU/g) was supplied at 15 g/day. The use of brewers grains and the addition of yeast did not influence the ingestion of DM, crude protein, neutral detergent fiber or total digestible nutrients. Steers fed with brewers grains ingested lower concentrations of non-fibrous carbohydrates (NFC) (P
               
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