Similar fluctuating asymmetries in the three canine cranial typologies
DOI:
https://doi.org/10.15381/rivep.v32i1.19507Keywords:
brachycephalic, dolicocephalic, Canis familiaris, stress, mesocephalic, geometric morphometricsAbstract
Asymmetry, understood as the deviation of an organism or a part of it from its perfect symmetry, is represented by three categories: fluctuating asymmetry, directional asymmetry, and anti-symmetry. Fluctuating asymmetry constitutes the random variation in both directions of a morphological character. The more environmental or genetic stress, the greater the effect of fluctuating asymmetry. This study aimed to determine the type of cranial asymmetry in dogs with different head conformation: brachycephalic (n=19), mesocephalic (n=9) and dolichocephalic (n=22). A set of 17 anatomical landmarks (3 sagittal and 7 paired) were selected in the digital images of the basal skull, which were studied using geometric morphometry techniques. The results showed similar fluctuating asymmetry percentages in the three types of skulls studied.
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Copyright (c) 2021 Pere M. Parés-Casanova
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