孟加拉国稻饲肉鸡和土鸡基因型的生长性能和肉质

Meat Research Pub Date : 2022-06-30 DOI:10.55002/mr.2.3.23
M. Rahman, M. Hossain, Md. Mizanur Rahman, MS Ali, Md. Mer Mosharraf Hossain, M. Hashem
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引用次数: 6

摘要

研究了集约化饲养条件下稻饲肉鸡和土鸡基因型的生长和肉质特性。两种基因型共360只DOC在同一种育雏房里饲养。将日粮样品分为T1 -玉米(0%大米)、T2 -50%玉米代大米和T3 -100%玉米代大米3个处理组。采用2×3因子设计对数据进行分析。肉仔鸡的生长性能极显著(p<0.01)高于本地鸡。肉鸡的蒸煮损失和滴漏损失极显著(p<0.01)升高,土鸡胸肉的WHC、最终pH和蒸煮pH极显著(p<0.01)升高。饲粮对水分保持能力(WHC)有极显著影响(p<0.01),但以T1处理的WHC%最高。肉仔鸡的CIE L*、a*、b*极显著(p<0.01)提高。在基因型和饲粮的交互作用下,胸肉和大腿肉的b*存在显著差异(p<0.05);鸡腿肉中的L*, b*;肝脏中的A *。鸡腿肉的L*和b*显著(p<0.05)升高。肉仔鸡肝脏的L*和a*值显著(p<0.05)升高。肉鸡胸脯肉的嫩度和多汁性显著高于土鸡(p<0.01)。本研究对米饲肉鸡和土鸡基因型的生长性能和肉品质的研究具有重要意义。因此,在鸡的日粮中,大米可以替代玉米。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Growth performance and meat quality of rice fed broiler and native chicken genotypes in Bangladesh
The study was conducted on growth and meat quality attributes of rice fed broiler and native chicken genotypes under intensive rearing. A total 360 DOC from two genotypes were reared in a common brooder house. The diet samples were divided into three treatment groups viz. T1 - corn (0% rice), T2 -50% corn replaced by rice and T3 -100% corn replaced by rice. Data were analyzed using 2×3 factorial design. Broiler showed significantly (p<0.01) higher growth performance as compared to native chicken. Cooking and drip loss were significantly (p<0.01) higher in broiler whearas WHC, ultimate pH and cooked pH were significantly (p<0.01) higher in native chicken breast meat. The diet had a significant (p<0.01) effect on water holding capacity (WHC) but the highest WHC% was found in T1 treatment. The CIE L*, a*, b*, was significantly (p<0.01) higher in broiler. The interaction between genotype and diet was found significantly (p<0.05) different in b* in breast and thigh meat; L*, b* in drumstick meat; a* in liver, respectively. The L* and b* were significantly (p<0.05) higher in broiler drumstick meat. The L* and a* values were significantly (p<0.05) higher in liver of broilers. Significantly (p<0.01) higher tenderness and juiciness were found in broiler breast meat than native chicken. This study provides an important insight on growth performance and meat quality of rice fed broiler and native chicken genotypes. Hence, rice could be used as alternative to corn in chicken ration.
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