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Abomasal emptying in sheep as related to the amount of protein entering the abomasums

Published online by Cambridge University Press:  09 March 2007

J. Van Bruchem ,
T. Van Der Lende ,
J. G. De Swart  and
G. A. Bangma
J. Van Bruchem
Affiliation:
Department of Animal Physiology, Agricultural University, Wageningen, The Netherlands
T. Van Der Lende
Affiliation:
Department of Animal Physiology, Agricultural University, Wageningen, The Netherlands
J. G. De Swart
Affiliation:
Department of Animal Physiology, Agricultural University, Wageningen, The Netherlands
G. A. Bangma
Affiliation:
Department of Animal Physiology, Agricultural University, Wageningen, The Netherlands
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Abstract

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1. In sheep, provided with re-entrant cannulas in the caudal duodenum and with an infusion tube into the abomasal fundus, emptying of the liquid phase of the abomasal contents was studied with [57Co]EDTA. Radioactivity was measured continuously with Geiger-Müller counters placed along the re-entrant cannulas.

2. It appeared that first-order kinetics could be applied to the elimination of [57Co]EDTA from the abomasum. Mean retention time of this label in the abomasum was 40–50 min.

3. Infusion of a suspension of soya-bean protein in saline (9 g sodium chloride/l) caused an initially decreased rate of abomasal emptying, but after 48 h an adaptation had occurred to the original rate of emptying producing an increased volume of abomasal contents and increased flow-rate of digesta into the duodenum.

Type
Papers on General Nutrition
Information
British Journal of Nutrition , Volume 52 , Issue 1 , July 1984 , pp. 123 - 129
Copyright
Copyright © The Nutrition Society 1984

References

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