Changes in Osmotic Fragility of Erythrocytes of the Rainbow Lizard (Agama agama) Resulting from Swimming Exercise

O. I. Azeez, J. O. Oyewale

Abstract


The effect of swimming exercise on erythrocyte osmotic fragility, packed cell volume (PCV), hemoglobin (Hb) concentration, red blood cell (RBC) count, mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC) and mean corpuscular volume (MCV) in rainbow lizards (Agama agama) was determined.

The erythrocyte osmotic fragility was found to decrease in lizards that were allowed to rest for 30 min after removal from swimming exercise in water when compared with the control group that were not immersed in water. The fragility was also lower in lizards sampled immediately after water immersion.

No significant difference was however obtained in all the other erythrocyte parameters measured between the three groups of lizards.

The results suggest that mild stress challenged by aerobic exercise increases the osmotic resistance of erythrocytes in the rainbow lizard.


Keywords


osmotic fragility; erythrocytes; lizard; swimming exercise

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DOI: https://doi.org/10.30906/1026-2296-2010-17-3-185-188

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