THE EFFECTS OF PHYSICAL EXERCISE ON SOME PLASMA ENZYMES AND Ca AND P LEVELS IN RACE HORSES

In this study nine two-year old, male, English horses which trot 5400 m in 10 minutes on dry sand and closed manage were used.

The changes in plasma Aspartate-aminotransferase (AST), Alanine-aminotransferase (ALT), Gamma-glutamy I transferase (GGT), Alkaline-phosphatase (ALP), Calcium (Ca) and Phosphorus (P) levels were measured in blood samples which were taken before (at 0 min), at the 5th minute, right after (at 10th min) and 1/2, 6, 12 and 24 hours after the exercise.

Although plasma AST, ALP and GGT values were slightly higher in post-exercise period, the differences were not significant statistically in comparison to the preexercise levels. And also changes in plasma ALT were not significant statistically.

Although a slight decrease in plasma Ca level and a slight increase in plasma P level was found with exercise, a statistical difference could not found according to the pre-exercise period.