African Journal of Biomedical Research

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Changes in Hematological Parameters and Erythrocyte Osmotic Fragility in Lame and Aged Horses Administered with Resveratrol Supplement

A M. U. Ememe, R.E. Edeh, U. S Abdullahi, A.K.B Sackey, J. O. Ayo


The study was aimed at evaluating the changes in haematological parameters and erythrocyte osmotic fragility in lame and aged horses administered with resveratrol supplement (Equithrive joint®). A total of 16 horses of both sexes, aged 18 ± 0.65 and showing lameness grade 3 were used for the study. The horses weighed 350-450 kg and comprised 8 horses which were administered with resveratrol supplement for 4 weeks and 8 others, which served as controls and given only Saccharomyces cerevisiae yeast strain used as carrier in the supplement. Blood samples were collected from each horse before supplementation and at weekly intervals for 4 weeks of the experiment. Haematological parameters and erythrocyte osmotic fragility were determined by standard methods. Equithrive joint® increased significantly (P ˂ 0.05) packed cell volume, haemoglobin concentration and erythrocyte counts in the treated horses while total leucocyte, neutrophil and eosinophil counts decreased significantly (P ˂ 0.05) in the treated horses compared with the untreated horses. Erythrocyte osmotic fragility test showed decreased haemolysis in the treated horses. The result indicated that equithrive joint® a potent antioxidant and anti-inflammatory agent maintained the membrane integrity of red blood cells and may be of value in aiding horses move with ease during ageing.

Keywords: Horses, erythrocyte osmotic fragility, haematological parameters, resveratrol, ageing, lameness

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