Abstract
ABSTRACT Present study evaluated carcass and meat quality attributes of broilers, broiler breeders and Aseel chickens. Sixty birds from each chicken genotype (broiler, broiler breeder and Aseel chickens; five-wk-old broilers and 60-wk-old Aseel chickens and broiler breeders) were evaluated. Birds were maintained under similar environment for 21 days, and then slaughtered to analyze their carcass qualitative and organoleptic characteristics. No carcass yield differences were detected among genotypes. Aseel chickens had heavier neck, followed by broiler breeder and broiler (p<0.0001). Higher liver (p<0.0001), intestine (p<0.0001), ribs and back (p=0.0014) yields were obtained in broilers than in broiler breeders and Aseel chickens. Females showed higher gizzard (p=0.0107) and intestine (p=0.0170) yield than males, which presented higher carcass (p=0.0023), thigh (p=0.0039), drumstick (p<0.0001), neck (p=0.0003) and heart (p=0.0139) yields. Broiler meat was lighter (p<0.0001) whereas Broiler breeder meat were yellower (p<0.0001) and redder (p<0.0001), ultimate-pH was lower (p=0.0001) for broiler and Aseel meat. Female meat was yellower (p<0.0001) and reddish (p=0.0482). Aseel breast meat scored lower for flavor (p=0.0121), juiciness (p=0.0178) and tenderness (p=0.0477) compared with broiler breeders and broilers, although no differences among genotypes were detected for color, aroma, taste, and acceptability, whereas for thigh meat, Aseel chickens received lower color (p=0.0344) and acceptability (p=0.0398) scores. Interaction effect were significant for carcass, meat quality and sensory evaluation. Carcass characteristics of broilers were comparable with Aseel chickens, while broiler breeder showed better meat quality traits. Broiler and broiler breeder meat scored higher for sensory evaluation. Male birds had higher carcass yield and better meat quality traits compared with females. It is concluded that meat quality attributes vary among the three chicken genotypes.
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