The content of non-starch polysaccharides in the plant cell wall limits the use of vegetable feedstuffs in the diet of pigsThe major non-starch polysaccharides in the swine corn-soybean diets are arabinoxylan, present in corn and xyloglucan and xylan in soybeanNon-ruminant animals do not produce endogenous enzymes capable to digesting non-starch polysaccharidesOnce ingested, non-starch polysaccharides can increase the digesta viscosity, alter the epithelial morphology of the intestine and reduce the digestibility of nutrients