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Abstract The effects of wheat pentosans on protein digestibility and endogenous amino acid losses in precision‐fed chickens was investigated using the homo‐arginine marker technique. Addition of pentosans equivalent to 15 g and 35 g of wheat arabinoxylans per kg diet significantly depressed ( P < 005) the overall digestibility of amino acids and increased ( P < 0‐05) endogenous losses of amino acids, but the inclusion of cellulose or polyethylene polymer (92 g per kg diet) had no measurable effects.
Angkanaporn et al. (Tue,) studied this question.