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. 1983 Jun 1;24(2):170–184. doi: 10.1186/BF03546745

The Effect of Exercise on Blood Parameters in Standardbred and Finnish-Bred Horses

Ansträligningens inverkan på blodparametrar hos amerikanska trauare och finska hästar

A R Pösö 1,✉, T Soveri 1, H E Oksanen 1
PMCID: PMC8291260  PMID: 6613781

Abstract

Serum enzyme activities, albumin, protein, urea, cholesterol, triglyceride, free fatty acid, glucose and lactate concentrations as well as hematocrit values were measured in standardbred and Finnish-bred horses at rest and after (i) a short controlled exercise and (ii) a trotting competition. There were no breed differences in the enzyme activities at rest and the 2 breeds responded in the same manner to the exercise. Only after the race proper significant increases in the enzyme activities were found. The activities rose more in the standardbred horses than in the Finnish-bred horses. Urea and cholesterol concentrations did not change after either exercise. Protein and albumin concentrations as well as hematocrit values increased significantly after the exercise. At rest hematocrit values were significantly higher in the standardbred horses and the difference persisted throughout the exercise. After the race proper also albumin and protein concentrations were higher in the standard-bred than in the Finnish-bred horses. Free fatty acid and triglyceride concentrations increased significantly during the exercise. Although glucose and lactate concentrations increased in both breeds, the behaviour of these parameters differed. Glucose concentrations remained increased for a longer period and the recovery from the increased lactate level was faster in the standardbred than in the Finnish-bred horses. The observed differences suggest that the standardbred horses have higher anaerobic capacity than the Finnish-bred horses.

Keywords: exercise, standardbred horses, Finnish-bred horses, serum enzymes, protein, hematocrit, triglycerides, free fatty acids, glucose, lactate

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