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      • KCI우수등재

        Effect of supplementary feeding on the production traits, carcass and meat quality of Jamuna basin lambs

        Md. Anwar Hossain,Md. Mukhlesur Rahman,Md. Wakilur Rahman,Md. Mujaffar Hossain,Md. Abul Hashem 한국축산학회 2023 한국축산학회지 Vol.65 No.1

        This study aimed to identify the optimum level of supplementary feeds on the carcass traits and meat quality of Jamuna basin lambs. Forty selected lambs were divided into four treatments such as T0 (no concentrate supplementation), T1 (1% concentrate feed), T2 (1.5% concentrate feed) and T3 (2% concentrate feed) having ten lambs per treatment. The data were analyzed through Completely Randomized Design (CRD) with SAS software. Hot carcass, dressing percentage, head, leg, neck, loin, heart, and spleen weight were showed significantly (p < 0.05) higher values with increasing concentrate feed. The crude protein (CP), ether extract (EE) and ash values were significantly increased (p < 0.001) except T2 treatment. The ultimate pH was significantly increased except T2 and cooked pH was significantly decreased (p < 0.001) except T3 treatment. Drip loss and cooking loss (CL) % had significantly reduced (p < 0.001) except T3 treatment. The water holding capacity (WHC) % was significantly increased (p < 0.001) except T3 treatment. The score of color, juiciness and tenderness were significantly different (p < 0.001). Flavor and overall acceptability score were significantly increased (p < 0.05) in different treatments. The color values L* and b* had significantly changed (p < 0.001) and a* value was found significantly higher (p < 0.05) in all treatments. Hence, 12 months of aged lambs with 1.5% concentrate feed showed better performances on carcass, nutritional, physicochemical, sensory and instrumental color values to increase the carcass and the meat quality of lambs.

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