1. A Preliminary Evaluation of Sex and Dietary Field Pea Effects on Sensory Characteristics of Dry-Cured Loins.
- Author
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Argemí-Armengol, Immaculada, Álvarez-Rodríguez, Javier, Tor, Marc, Salada, Laura, Leite, Ana, Vasconcelos, Lia, Teixeira, Alfredo, and Rodrigues, Sandra Sofia Quinteiro
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INDUCTIVE effect , *PEAS , *SOYBEAN as feed , *SOYBEAN meal , *ALTERNATIVE crops , *CONSUMER preferences - Abstract
Simple Summary: This preliminary study investigated the sensory quality perceived by consumers (trained panellists or untrained consumers) of pork loins deriving from animals subjected to different castration methods (surgical vs. immunocastration) and fed different protein sources (soybean vs. pea). The findings revealed that the trained panel could discriminate clearly between dry-cured loin from male pigs surgically castrated and fed a soya diet compared with those fed a pea diet, and the vaccination almost completely reduced most of the sensory traits in both sexes. Additionally, the study found that immunocastration in male pigs did not negatively impact the skatole detection scoring. Moreover, the untrained consumer panel preferred the dry-cured loin from surgically castrated male pigs fed a pea-based diet. To sum up, it is possible to completely replace soybean meal with field peas when feeding heavy immunocastrated male pigs for dry-cured loin production. Two of the main issues related to cured meat products are castration to avoid boar taint and the hefty reliance on soybean meal to feed pigs. However, data on the effects of immunocastration in pigs and alternative crop protein feeds on the sensory traits and consumers' acceptance of dry-cured loin are still limited. A preliminary study was conducted on the effect of sex type (surgical castrated male pigs and immunocastrated male and female pigs, at approximately 140 kg in weight and 7 months of age) and animal diet (pea vs. soya) on dry-cured loins. The study involved a sensory evaluation of six treatments, with a 3 × 2 factorial design, conducted by trained panellists and untrained consumers in Spain (n = 126) and Portugal (n = 80). The consumers were also checked for their skatole sensitivity using a pure substance. The results showed that the pea-based diet was significantly different (p < 0.001) from the soy-based diet, as determined by a trained panel of surgically castrated male pigs, although the immunocastration treatments were not split. Dry-cured loin from immunocastrated male pigs fed with peas was considered tenderer and juicier (p < 0.05) than those fed soya-based diets. The untrained consumer panel scored higher on the sensory traits (flavour, juiciness, and overall liking) from the loin samples of surgically castrated male pigs fed a pea diet. All consumers scored similarly in boar taint detection. This study demonstrates the applicability of the pea-based diet for the feeding of pigs destined for cured meat and highlights immunocastration as a tool that does not compromise the skatole detection score. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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