Abstract

Polyethylene glycol (PEG) and chromium-ethylenediamine tetraacetic acid (Cr-EDTA) were used in preruminant calves fitted with reentrant ileal cannulas to adjust the ileal flow of digesta and determine digestibility coefficients of dry matter and nitrogen. Cr-EDTA was more reliable than PEG for both, measurement of the ileal flow, and dry matter and nitrogen digestibilities. Key words: Calf, PEG, Cr-EDTA, ileal flow, digestibility

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