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Ciência Rural

Print version ISSN 0103-8478

Abstract

DONOFRE, Ana Carolina et al. Balance of Quarter Horses participating in the barrel racing modality by using body proportions. Cienc. Rural [online]. 2014, vol.44, n.2, pp.327-332. ISSN 0103-8478.  http://dx.doi.org/10.1590/S0103-84782014000200021.

Based on the concept that horses have balanced symmetry between its anatomical regions, the aim of this study was to introduce a method of assessing the balance of equines through body proportions. Altogether twelve linear measurements, using metric tape, were measured in 234 horses Quarter Horses for evidence of barrel racing. From these measurements were built nine body proportions, each one given by the ratio of two specific measures, and the effects of sex, weight, age and degree of blood on the balance were evaluated. To check the significance tests we used the F statistic, considering P<0.05. It was found that the linear measurements ML2, ML3 and ML5 were mainly responsible for the disproportionality of the horses evaluated. The effect of sex was significant (P<0.05) for four proportions (R1, R3, R4 and R9) and females were more distant from the concept of balance than males.

Keywords : body conformation; horses; reasons; linear measurements.

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