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Starch: An Alternative Energy Source for Cats Open Access

Descriptions

Other title
Subject/Keyword
glycemic
calorimetry
carbohydrate
cat
starch
feline
nutrition
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Berendt, Kimberley D.
Supervisor and department
Zijlstra, Ruurd (AFNS)
Examining committee member and department
Shoveller, Kate (Senior Scientist, P&G Pet Care)
Gaenzle, Michael (AFNS)
Bell, Rhonda (AFNS)
Zijlstra, Ruurd (AFNS)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Animal Science
Date accepted
2014-01-30T10:21:27Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Two studies examined the effects of 3 commercial cat diets varying in glycemic index (GI) based on ingredient composition and starch content (34.1, 29.5, and 23.6% NFE for high, medium, and low GI, respectively) on metabolizable energy (ME), indirect calorimetry and blood measurements. In Study 1, the modified Atwater equation underestimated diet ME by 12%. In Study 2, the RQ decreased with GI (P<0.001) and the REE did not change with diet. Postprandial fat oxidation was inversely related to GI (P<0.050). Postprandial carbohydrate oxidation decreased with GI (P<0.001). Interstitial glucose decreased with GI (P<0.014). Postprandial serum glucose did not change with diet. Postprandial serum insulin was highest for the high GI diet and lowest for the medium GI diet (P<0.016). The responses of cats to dietary starch levels are unique and more prolonged and less pronounced than other species such as humans or dogs.
Language
English
DOI
doi:10.7939/R33T9DF5P
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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