Digestibility in different sections of the digestive tract

Form of grass Chopped Pelleted Chopped Pelleted 

After Beever D E, Coelho da Silva J P, Prescott J El D and Armstrong D G 1972 British Journal of Nutrition 28 347. 

Animals fitted with a rumen cannula can be used to estimate the proportion of a food that is digested in the rumen, or rumen degradability. Typically, food samples (3 5 g of dry matter) are placed in small bags made of permeable synthetic material with a standard pore size (400 1600 pm ), which are then inserted into the rumen 

Adapted from MacRae J C and Ulyatt M J 1974 Journal of Agricultural Science, Cambridge 82 309. 

Adapted from Mehrez A Z and 0rskov E R 1977 Journal of Agriculture Science, Cambridge 

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