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Year 2011 - Volume 31, Number 1
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Hematologic profile of horses subjected to Team Penning, 31(1):81-86
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ABSTRACT.- Miranda R.L., Mundim A.V., Saquy A.C.S, Costa A.S., Guimarães E.C., Gonçalves F.C. & Silva F.O.C. 2011. [Hematologic profile of horses subjected to Team Penning.] Perfil hematológico de equinos submetidos à prova de Team Penning. Pesquisa Veterinária Brasileira 31(1):81-86. Laboratório Clínico e de Anatomia Animal, Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia, Av. Pará 1720, Bloco 2T, Campus Umuarama, Uberlândia, MG 38400-902, Brazil. E-mail: renatavetufu@yahoo.com.br
Variations in hematologic parameters are used to assess the degree of training or clinical state of the animal. The hematologic evaluation of horses at rest has been an object of study in order to establish a correlation with training or athletic capacity. The purpose of this study was to evaluate the hematologic profile of horses subjected to Team Penning competitions, correlating sex and frequency of physical activity. Two milliliters of blood were drawn through a puncture made in the external jugular vein from 29 horses, 18 males and 11 females, at rest (Moment I) and after exercising (Moment II). The blood samples were processed in an ABC VET automated veterinary hematology analyzer (Horiba ABX Diagnostics). The animals were divided into Group A, B, C and D according to the number of times they participated in the competition. The values of globular volume, hemoglobin, erythrocytes, rod-shaped segmented neutrophils and monocytes increased after the physical exercise, unlike the number of lymphocytes and eosinophils, which decreased. A comparison of the before/after exercise correlations showed no significant differences (p<0.05) between males and females. In addition, it was found that the value of the MI/MII ratio for the globular volume, hemoglobin and number of erythrocytes varied according to the frequency of the exercise. It was concluded that the Team Penning competition produces hematologic alterations in horses, which are affected by the frequency of exercising, regardless of sex. |
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