Polysaccharide degradation by rumen microorganisms

Polysaccharides entering the rumen can be considered as belonging to one of two general types: plant storage polysaccharides such as starch and the fructosans, or the structural polysaccharides which compose the greater part of all plant cell walls and which are loosely considered to form the fibrous component of animal feedstuffs. Additional, but limited, amounts of polymerized carbohydrate may also be ingested by the animal in the form of lower molecular weight oligosaccharides, as the sugar moiety of various glycoconjugates and as a component of animal and fish byproducts.

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