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Interpretive Summary: Rumen and cecum bacteria of beef cattle that differ in feed efficiency fed a forage diet

By: Harvey C Freetly, Amanda K Lindholm-Perry

Feed is one of the greatest costs associated with beef production. Modifying the efficiency that feed is used offers a potential mechanism to improve production efficiency. Bacteria in the gastrointestinal tract modify the nutrient content of the feed cattle eat before it is absorbed. The rumen and cecum are the two primary sites of fermentation in the digesta tract. Structure of the bacterial community at the clade level suggests that they differ with feed efficiency.

Read the full article in the Journal of Animal Science.