The purpose of this study was to evaluate the inclusion of mango peel ethanolic extract (MPEE) as antioxidant in quail diets containing two lipid sources, on performance, carcass characteristics, and lipid stability of in natura and frozen meat. A total of 432 meat quails were used, males and females, from 7 to 42 days of age, distributed in a completely randomized design in a 3 × 2 factorial arrangement, with 3 levels of MPEE (0, 500, and 1000 mg/kg) and 2 lipid sources (soybean and sunflower oil), totaling 6 treatments with 6 replications of 12 birds. In order to evaluate the meat lipid stability, carcass samples were used in a 2 × 2 × 2 × 3 factorial arrangement, with 2 levels of MPEE (0 and 1000 mg/kg), 2 lipid sources (soybean and sunflower oil), 2 types of packaging (conventional and vacuum), and 3 storage times (0, 60, and 120 days), totaling 16 treatments with 6 replications.
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