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Conformation of the Equine Skull: A Morphometric Study
K. E. Evans 1 and P. D. McGreevy 1*
Address of authors:  1Faculty of Veterinary Science, Gunn Building (B19), Regimental Crescent, University of Sydney, Sydney, NSW 2006, Australia;  *Corresponding author: e-mail: paulm@vetsci.usyd.edu.au
Correspondence to Faculty of Veterinary Science, University of Sydney, Sydney, Australia
Copyright 2006 Blackwell Verlag, Berlin

Summary

AbstractIntroductionMaterials and MethodsResultsDiscussionAcknowledgementsReferences

There is a lack of an established method for quantifying equine skull morphology. This study proposes a method that is valid for use on both live and deceased horses. A total of nine head measurements (skull length, cranial length, nasal length, ratio of cranial:nasal length, cranial width, zygomatic width, mandibular depth, nasal profile area, cranial profile area) and six indices (skull index, cranial index, nasal index, mandibular index, nasal profile index, cranial profile index) were recorded from 30 horses from a variety of breeds whilst the soft tissues of the head were intact. A line was drawn level with the palpable notches caudal to the caudal lacrimal process of each orbit to estimate the suture line of the nasal and frontal bones and distinguish between the neurocranium and splanchnocranium. There were positive correlations between many of the head measurements. This method also illustrated significant differences in the skull morphology of three breeds (Arabians, thoroughbreds and standardbreds).


Received February 2005; accepted for publication July 2005

DIGITAL OBJECT IDENTIFIER (DOI)
10.1111/j.1439-0264.2005.00663.x About DOI

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