Evaluation of an electronic device used as a quick screening method to detect changes in the red cell content of the blood in horses participating in endurance trail rides |
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Authors: | A De Waal F J Potgieter |
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Institution: | (1) Department of Chemical Pathology, Faculty of Medicine, University of the Orange Free State, PO Box 339, 9300 Bloemfontein, Republic of South Africa;(2) Ammal Unit, Faculty of Medicine, University of the Orange Free State, PO Box 339, 9300 Bloemfontein, Republic of South Africa |
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Abstract: | Dehydration, to varying degrees, will inevitably occur in horses participating in endurance trail rides. This water loss is directly related to the amount of body water lost through evaporative cooling, that in turn being related to the amount and rate of work performed, and to the environmental temperature and humidity.An electronic apparatus that can substitute for the conventional and time-consuming venous haematocrit was developed to measure the animals' hydration status. The mechanism of this electrometer is based upon the relationship between the red cell content and the electrical conductivity of the blood. The electrometer reading gave a significant correlation (p<0.001) with the venous haematocrit, thus indicating that the electrometer is a reliable apparatus for determining the animals' hydration status within seconds of venepuncture. |
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Keywords: | blood conductivity dehydration electrometer endurance horses |
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