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Res Vet Sci. 1980 May;28(3):393-5.

Changes in blood gas, acid-base and metabolic parameters in horses during three-day event competition.

Abstract

Sixteen horses competing in a three-day event had venous blood samples collected during the speed and endurance test (day 2) to examine changes in blood gas ands acid-base balance, and the concentrations of lactate, pyruvate, beta-hydroxybutyrate, acetoacetate, alpha-ketoglutarate and cortisol. Following the roads and tracks and steeplechase phases there was a significant metabolic and respiratory alkalosis despite a rise in lactate. After completion of the cross country section, although there was a significant decrease in total base, there was no significant change in pH from pre-event values. This was because the decrease in total base was accompanied by a concomitant fall in carbon dioxide levels.

PMID:
6774396
[PubMed - indexed for MEDLINE]
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