A note on the digestibility of hard and soft wheat offals in growing pigs

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Abstract
SUMMARY: Three trials have been made with growing pigs to measure the digestibility of four samples of wheat offal. Two samples were measured at the levels of 0, 20, 40 and 60% of the diet and two samples were measured at the levels of 0 and 60% of the diet. The offal replaced equal quantities of glucose in the diets and no attempt was made to equalize nutrient levels between diets.Apparent digestibility coefficients of the diets declined with increasing dietary wheat offal content, but the digestibility of wheat offal did not change with level of inclusion. No differences in digestibility occurred between offals from hard and soft wheats, apart from a low N digestibility in one sample of soft wheat offal. The average digestible energy and TDN contents were 2810 kcal/kg and 63·1 for samples of offal containing 12·5% moisture.