Abstract
Effects of dietary concentrate level on ruminal fermentation and microbial growth efficiency in dual flow continuous culture
Highlights
Since rumen microbes are an important source of protein for the ruminant and since microbial growth rates can affect amino acid availability to the animal, it is important to study factors that may influence microbial protein synthesis and to202 CONCENTRATE LEVEL AND MICROBIAL GROWTH EFFICICENCY optimize the yield of protein
Some studies indicated that the rumen microbial growth efficiency [g of microbial N/kg of digested organic matter (DOM)] reduced with high dietary concentrate levels
Increasing dietary concentrate level resulted in an increase in the digestilities of DM and OM
Summary
Since rumen microbes are an important source of protein for the ruminant and since microbial growth rates can affect amino acid availability to the animal, it is important to study factors that may influence microbial protein synthesis and to202 CONCENTRATE LEVEL AND MICROBIAL GROWTH EFFICICENCY optimize the yield of protein. Some studies indicated that the rumen microbial growth efficiency [g of microbial N/kg of digested organic matter (DOM)] reduced with high dietary concentrate levels. The purposes of this study were to determine the effect of dietary concentrate level on rumen fermentation characteristics and microbial growth efficiency in continuous culture and to find out an appropriate dietary concentrate level at which the maximum ruminal microbial efficiency and daily microbial N yield were achieved.
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