Influence of marcha gait on the erythrogram of mangalarga marchador horses
DOI:
https://doi.org/10.35172/rvz.2017.v24.293Keywords:
horses, erythrocytes, exerciseAbstract
The aim of this study was to evaluate the influence of physical exercise (marcha gait) on the
erythrogram of Mangalarga Marchador. Fifteen Mangalarga Marchador horses, nine females
and six males, aged 4.6±1.9 years old and weighting 399.0±34.0 kg, were evaluated in four
different moments: before (T0), 5 minutes (T1), 30 minutes (T2) and 120 minutes (T3) after
aerobic exercise characterized by 40 minutes of marcha gait. Blood samples were taken to
determine packed cell volume (PCV), concentration of erythrocytes and hemoglobin. From
these data, mean corpuscular volume (MCV) and mean corpuscular hemoglobin concentration
(MCHC) were calculated. Variables were analyzed for normality with Kolmorov-Smirnov
test and comparisons were made using Tukey test, considering p<0.05. Results showed that
the imposed exercise altered significantly PCV (p=0.0016) and concentration of erythrocytes
(p=0.0013) and hemoglobin (p=0.0004), with higher values recorded on T1. No significant
differences were observed for hematological indexes MCV (p=0.8697) and MCHC
(p=0.4980). It was possible to conclude that the physical activity imposed led to important
alterations on erythrogram and these modifications have to be well comprehended to be used
appropriately on the evaluation of marchador horses.
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