A titration approach to identify the capacity for starch digestion in milk-fed calves

M.S. Gilbert, J.J.G.C. van den Borne, A.J. Pantophlet, W.J.J. Gerrits

Research output: Chapter in Book/Report/Conference proceedingConference paper

Abstract

Calf milk replacers commonly contain 40-50% lactose. For economic reasons, starch is of interest as a lactose replacer. Compared with lactose, starch digestion is generally low in calves. Ileal disappearance of starch was only 60% in calves, whereas lactose disappeared for 97% (Coombe and Smith, 1974). This indicates that the activity of enzymes required for the hydrolysis of starch to glucose limits starch digestion in milk-fed calves. It is however unknown which enzyme system is limiting the rate of starch hydrolysis in the intestinal lumen of calves. In addition, a maximum may exist for the daily quantity of starch that can be hydrolyzed and absorbed. Potentially, enzyme systems may also adapt to the starch fed. Both may be subject to considerable inter-individual variation.
Original languageEnglish
Title of host publicationProceedings of the 4th International Symposium on Energy and Protein Metabolism and Nutrition, 9-12 September 2013, Sacramento, California, USA
EditorsJ.W. Oltjen, E. Kebreab, H. Lapierre
Place of PublicationWageningen
PublisherWageningen Academic Publishers
Pages233-234
Volume134
ISBN (Print)9789086862276
DOIs
Publication statusPublished - 2013
Event4th International Symposium on Energy and Protein Metabolism and Nutrition, Sacramento, California, USA -
Duration: 9 Sep 201312 Sep 2013

Conference

Conference4th International Symposium on Energy and Protein Metabolism and Nutrition, Sacramento, California, USA
Period9/09/1312/09/13

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