The effect of free and protected oils on the digestion of dietary carbohydrates between the mouth and duodenum of sheep

Publisher: Cambridge University Press

E-ISSN: 1475-2662|49|3|433-440

ISSN: 0007-1145

Source: British Journal of Nutrition, Vol.49, Iss.3, 1983-05, pp. : 433-440

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Abstract

1. Sheep fitted with rumen and re-entrant duodenal cannulas were given diets of approximately 200 g hay and 400 g concentrate mixture alone, or supplemented daily with 40 g linseed or coconut oils free or protected with formaldehyde-casein in a 5 × 5 Latin-square arrangement. Chromic oxide paper was given as a marker at feeding time and passage to the duodenum of neutral-detergent fibre (NDF) and different sugars were estimated from the values for c0nstituent:marker at the duodenum. Contributions of microbial carbohydrates to these flows were estimated from amounts of RNA present.