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The effects of breed in combination with sex (female vs. castrated male) on carcass com- position and meat quality characteristics were studied in a factorial arrangement of treatments involv- ing 32 Large White (LW) and 32 Creole (CR) pigs. The pigs were slaughtered at 150 d of age; the slaughter weights were 90 and 60 kg for LW and CR pigs, respectively, which corresponded to the practical commercial slaughter weight in the French West Indies for both breeds. No interaction between breed and sex was found for all criteria studied. Creole pigs had a lower killing out percentage (82.9 vs. 80.9%, P < 0.001) and higher backfat thickness at 150 d of age (17.5 vs. 11.3 mm, P < 0.001) than the LW pigs. Higher pH 24 h post mortem were observed in the semimembranosus (SM), longissimus dorsi (LD), and semispinalis (SS) muscles of the CR than of the LW breeds (P < 0.01). The drip and cooking losses of meat measured in the LD muscle were lower in the CR than in the LW pigs (5.9 vs. 10.6% and 30.2 vs. 33.1%, respectively, P < 0.10). Creole pigs showed higher intra- muscular fat percentage in LD muscle (3.45 vs. 2.46%, P < 0.001), more saturated (40.0 vs. 37.9%) and monounsaturated (40.6 vs. 38.4%) fatty acids and lower concentration of C18:2 and C18:3 in backfat than LW pigs (17.3 vs. 21.1% and 0.96 vs. 1.31%, respectively). Whatever the breed, the females (F) were leaner (P < 0.05) than the castrated males (C). The females showed higher drip and cooking losses in LD muscle and lower pH 24 h post mortem in LD and SM muscles. The sat- urated fatty acid concentrations were lower in F than in C. These results emphasise the reduced car- cass performance of CR breed in intensive management and its superiority as far as the criteria of technological and sensory qualities of the fresh meat are concerned.

A comparison of carcass and meat quality characteristics of Creole and Large White pigs slaughtered at 150 days of age