Journal of Animal Science, Vol 75, Issue 11 2915-2919, Copyright © 1997 by American Society of Animal Science

JOURNAL ARTICLE

Prolonged colostrum feeding enhances xylose absorption in neonatal calves

H. Hammon and J. W. Blum
Division of Nutrition Pathology, Institute of Animal Breeding, University, Berne, Switzerland.

Colostrum contains numerous components that influence gastrointestinal development in neonates. To test the influence of differences in duration of colostrum feeding in newborn calves on gastrointestinal absorptive capacity, .5 g xylose/kg BW was administered on d 5 of life. Calves of group GrC6 were fed colostrum from the first six milkings on the first 3 d and then milk replacer. Calves of group GrC1 were fed first colostrum only and then milk replacer in the same amounts as calves of group GrC6. Calves of group GrM were fed only milk replacer: they received no colostrum. The rise of plasma xylose after xylose intake was greater (P < .05) in GrC6 and GrC1 than in GrM but not significantly greater in GrC6 than in GrC1. Basal and mean plasma glucose concentrations on d 5 of life were higher in GrC6 than in GrM, but there was no difference in the magnitude of its postprandial rise. The data indicate greater xylose absorptive capacity in calves after prolonged colostrum intake compared with calves fed only milk replacer.

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