Manipulating Rumen Fermentation

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Abstract
Fermentation efficiency and the nutrient outflow from the rumen can be adjusted by manipulating the microbes and their activities with chemical agents which modulate selected pathways of metabolism (i.e., VFA production, methanogenesis, amino acid degradation, ureolysis), by controlling rate of water removal from the rumen, and by regulating pH. Concomitant adjustments in the quantity and efficiency of production by the animal are determined by utilization of the altered nutrient pattern by the host ruminant's tissue system. The type and extent of manipulation needed to maximize animal productivity can be expected to vary with and depend upon the nature of the diet and physiological functions performed. Copyright © 1977. American Society of Animal Science. Copyright 1977 by American Society of Animal Science.

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