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OJVRTM
Online Journal of Veterinary
Research©
Volume
21(1):25-32, 2017.
Blood gas profile of horses disqualified from endurance races.
Cinthia Beatriz da Silva Dumont (DVM, PhD), 1Fabieni Tiemy Menezes Okiyama (DVM, PhD),
1Andre Rodrigues da Cunha Barreto-Vianna (DVM, MSc), 1Kaique Nogueira (DVM),
2Roberta Ferro Godoy (DVM, PhD), 1Eduardo Maurício
Mendes de Lima* (DVM, PhD).
1*Laboratory of Anatomy of
Domestic Animals, Faculty
of Agronomy and Veterinary Medicine, Brasilia,
DF, Brazil, 2Writtle University College, Brasília, Distrito Federal,
Brazil.
ABSTRACT
Da Silva
Dumont CB, Menezes Okiyama FT, da Cunha Barreto-Vianna AR, Nogueira K,
Godoy RF, de Lima EMM., Blood gas profile of horses disqualified from endurance
races, Onl J Vet Res., 21(1):25-32, 2017. Venous blood gases and components from 15 horses
disqualified after completing 30, 40, 60km or 72, 90 and 140km endurance races
are described. Horses were evaluated before any intervention to promote
recovery. Partial oxygen pressure, carbon dioxide, oxygen saturation,
bicarbonate ion concentration, pH, hematocrit and total plasma protein in venous
blood were measured. Adaptive metabolic and respiratory responses were observed
as a result from dehydration induced by racing as well as obvious changes in
hematocrit and TPP. Increase in hematocrit values and total plasma proteins
revealed a moderate hypovolemia due to exercise. Blood gas analysis results
were not different between groups and were similar to horse finalists in other
endurance races. We assume that different racing distances were not
determinants for disqualification whereas individual fitness level was.
KEYWORDS: Horses, Disqualified, Endurance Race, Venous
blood gases, Dehydration.
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