RESEARCHES ON SERUM ELECTROLYTE EVOLUTION IN SPORT HORSES, AT TREE-DAY EVENT COMPETITION EFFORT CORRELATED WITH BIOECOECONOMIC GROWTH AND TRAINING TECHNOLOGIES

Published in Scientific Works. Series C. Veterinary Medicine, Vol. 19 ISSUE 3
Written by Eugenia SOVAREL, A.T. BOGDAN, Paula POSAN, Iudith IPATE, Nicoleta ISFAN

Using horses for sport requires preparation and optimization of physical and mental qualities, both contributing to achieving the desired performance. Energy metabolism in sport horses is strongly influenced by the intensity and duration of exercise. Thus, in short duration and high intensity efforts, most of the chemical energy needed for muscle contraction is supplied by lactic anaerobic metabolism. This metabolic pathway lead to lactic acid byproduct, whose accumulation, in muscle and blood, will influence the level of serum electrolytes .These imbalances lead to muscle fatigue phenomenon.80percentage of the mechanical energy is released as heat during exercise. On horse, heat is dissipated by evaporation during exercise mainly by the evaporation of perspiration. Through this mechanism, the horse makes thermal homeostasis, but the price of electrolyte losses often important. The magnitude of these losses is linked to the needs of thermoregulation, which will be influenced by the intensity and duration of effort and the impact on the horse of environmental factors. Biological material which is the subject of research, belongs to Sport Club Dinamo-Bucharest. Were studied both mares and stallions, Romanian Sport Horse and English Pure Blood, aged 5 to 10 years, specialized and well trained for full test riding. Calcium, at the end of the full test riding decreased at all trials, correlated with the loss phenomenon of the electrolyte through perspiration. Sodium values decrease at steeple and obstacles phases. At cross phase, sodium levels increased immediately after effort. Chloride values decrease insignificant statistically at cross and obstacles and increase also insignificantly at steeple phase. Phosphorous values had also insignificant differences but they decreased after effort. These results show a good training in sport horses,but is necessary to check the diet content in minerals, because they are eliminated through perspiration.

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Eugenia SOVAREL, A.T. BOGDAN, Paula POSAN, Iudith IPATE, Nicoleta ISFAN 2013, RESEARCHES ON SERUM ELECTROLYTE EVOLUTION IN SPORT HORSES, AT TREE-DAY EVENT COMPETITION EFFORT CORRELATED WITH BIOECOECONOMIC GROWTH AND TRAINING TECHNOLOGIES. Scientific Works. Series C. Veterinary Medicine, Vol. 19 ISSUE 3, PRINT ISSN 2065-1335, 190-196.

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