Long-term creatine supplementation improves the aerobic capacity of horses

The aim of the present study was to investigate the effect of long-term oral supplementation of creatine on the physiological responses to aerobic training. Twelve purebred Arabian horses were submitted to aerobic training for 90 days, with and without creatine supplementation which consisted of the...

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Bibliographic Details
Published in:Ciência rural 2006-04, Vol.36 (2), p.514-519
Main Author: Ferraz, G. de C
Format: Article
Language:English
Subjects:
ADESTRAMENTO
AGRONOMY
ANIMAL TRAINING
athletic performance
BEHAVIOUR
BLOOD
CAPACITACION
COMPORTAMENTO ANIMAL
COMPORTAMIENTO
COMPORTEMENT
creatine
DOMA
DRESSAGE DES ANIMAUX
EQUIDAE
equine
EQÜINO
FORMATION
HEMATOLOGIA
hematology
lactate
SANG
SANGRE
TRAINING
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Summary:The aim of the present study was to investigate the effect of long-term oral supplementation of creatine on the physiological responses to aerobic training. Twelve purebred Arabian horses were submitted to aerobic training for 90 days, with and without creatine supplementation which consisted of the daily administration of 75g of creatine monohydrate mixed into the ration for 90 days of training. Physical conditioning was conducted on a high performance treadmill and training intensity was stipulated by calculating the V4 (velocity at which blood lactate reaches 4mmol L-1) determined monthly for each animal. The individual intensity of physical force at 80% of aerobic threshold was established. An incremental exercise test was used to set the individual V4. After a warm up period of 4 min at 4m s-1, the speed was increased at 2min intervals to 6, 8 and 10m s-1. The blood samples were collected 15s before the end of each step to determine the concentration of lactate, packed cell volume, hemoglobin and red cell values. The results demonstrated a significant increase (P
ISSN:0103-8478
1678-4596
1678-4596
0103-8478
DOI:10.1590/s0103-84782006000200023