Abstract

AbstractThe relationships between skull shape and carcass fatness were examined in sixty pigs using seventeen linear skull measurements and ten measurements of carcass fat weight. The skull measurements were combined using the multivariate statistical technique of principal components analysis to provide an index of the most variable feature of skull shape. The principal shape component was found to contrast long and narrow skulls with short and broad ones. Correlations showed that a long narrow skull, which is recognised as a late developing feature in the overall growth of the pig's skull, was associated with a fatter carcass. It is suggested that late developing features in bone growth may have value in assessing the overall development of late developing tissues such as fat.

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