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Several methods are currently employed to manipulate
rumen fermentation to enhance post-ingestion nutritive value of fibrous
forages through use of biotechnology including inoculants of native and
recombinant rumen microorganisms, natural adaptation and microbial feed
enzymes. In this essay, progress and problems related to manipulation of
rumen ecosystem through inoculation of natural and genetically modified
rumen microorganisms are discussed. Also advancements in exogenous
fibrolytic enzymes to improve digestibility of fibrous diets is briefly
reviewed.
