The effect of a commercial high-fibre diet and an iso-malto-oligosaccharide-supplemented diet on post-prandial glucose concentrations in dogs |
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| Authors: | M Hesta J Debraekeleer G P J Janssens & R De Wilde |
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| Institution: | Faculty of Veterinary Medicine, Department of Animal Nutrition, Genetics, Breeding and Ethology, Laboratory of Animal Nutrition, Merelbeke, Belgium |
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| Abstract: | In order to evaluate the effect of insoluble and soluble fibre on the levels of post-prandial glycaemia, six healthy dogs were fed three different diets: a low-fibre control diet, a high-fibre diet (HF; mainly insoluble fibre) and the control diet with 10% iso-malto-oligosaccharides (IMO) added. The diets were fed for 2 days before the blood collections were started on the third day. Serial blood samples were taken 20, 60, 90, 150, 180, 240 and 360 min after feeding and one sample was taken just before the feeding after a fasting period of at least 20 h. There were no problems concerning the faecal consistency. The post-prandial glycaemia curve was significantly lower in the HF and IMO group in comparison with the control group. At 20 and 60 min the glucose concentration was significantly lower in the HF and IMO groups. At 90 and 150 min only the IMO group had a significantly lower glucose concentration. At 360 min there was a trend for a lower glucose concentration in the IMO group. The results show that both the HF and the IMO diets had a beneficial effect on post-prandial hyperglycaemia. Substitution of IMO may have the same or a slightly better effect, but this has to be confirmed in diabetic dogs and the effect may depend on the composition of the basal diet. |
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