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Publication type: Diploma Thesis

Year: 2013

Author(s): Wrobel, Dominika

Title: Vergleichende Fütterungsstudie mit DERBY® Dressage an Wallachen unter Berücksichtigung bestimmter Leistungs- und Verdaulichkeitsparameter.

Other title: Comparative feeding study – Influence of DERBY ® Dressage on certain performanceand digestive parameters in geldings

Source: Diplomarbeit, Vet. Med. Univ. Wien, pp. 89.


Advisor(s):

Iben Christine

Reviewer(s):
Aurich Joerg

Vetmed Research Units:
Institute of Animal Nutrition and Functional Plant Compounds


Graduation date: 06.12.13


Abstract:
The adequate nutrition of sport horses has been discussed long since. It has been the desire to create a concentrated feed which can be given in a moderate amount but provides the horse with a sufficient quantity of energy, protein, fat, minerals and vitamins. The aim of this study was to investigate if the muesli DERBY ® Dressage is more suitable to meet those requirements then a combination-diet of grain. A 28-day trial was conducted with thirteen crossbred geldings (n= 6 / n=7) to compare the influence of DERBY ® Dressage and a grain-diet on characteristics of digestion and performance. A 2-period-crossover study design was used for this feeding trial. Dietary treatments consisted of either DERBY ® Dressage for one group or a combination-diet of whole oats (50%), steam-rolled barley (25%) and steam-rolled corn (25%) for the other. One feeding-period lasted 14 day. After each feeding-period a performance-test has been carried out and the feeding regime has been switched. On days 0, 14 und 28 the horses were weighed on a calibrated horse scale. On days 0, 6, 7, 13, 20, 21, 27 manure samples were collected to evaluate dry matter, crude ash and acid-insoluble ash. On days 7, 13, 21, 27 manure samples were collected to evaluate the pH of the fresh samples. The performance-test (days 14, 28) consisted of blood sample 1, 10 minutes walk / 10 minutes trot/ 5 minutes gallop, then walk over to the racetrack, short trot, 800m gallop at the fastest pace, blood sample 2, walk over to the stable, blood sample 3 (after 15 minutes) and 4 (after 70 minutes). The parameters LHD, CK, AST were evaluated by LABOKLIN GmbH & Co KG. Glucose and lactate were measured with Accutrend® Plus (Point-of-Care portable blood analyzer). In conclusion the feeding of DERBY ® Dressage in comparison to a combination-diet of grain showed that the horses in the DD-group gained weight and had a lower manure pH, also a positive effect on the apparent digestibility of dry matter could be observed. The blood results showed that the horses in the DD-group seemed to have less stress on the muscles and a faster pace of regeneration. The parameter lactate did not show any significant results. Due to the high individual variance of the blood glucose, this parameter was inapplicable for this study.


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