Abstract
The aim of this study was to assess the effect of immune-spaying on sensory characteristics and the volatile organic compound (VOC) profile of dry-cured shoulders and loins by comparing Iberian × Duroc surgically spayed females, immune-spayed females and entire females. VOC profile of dry-cured shoulders was not significantly affected by the reproductive status, probably due to the large heterogeneity of dry-cured shoulders as a product. Correspondingly, dry-cured shoulders showed little differences among treatment groups, with better scores for marbling, hardness and chewiness attributes in the immune-spayed females. Dry-cured loin sensory traits such as brightness, marbling, chewiness and juiciness, presented better scores in immune-spayed females. Moreover, dry-cured loins showed a higher homogeneity that allowed the effects of spaying to be observed, thus the Principal Component Analysis performed on VOC profile data indicated a better separation of samples among treatment groups. Consequently, immune-spaying could be a viable alternative to surgical spaying from the point of view of meat quality.
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