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Growth performance, carcass traits and meat quality of yellow-feathered broilers fed graded levels of alfalfa meal with or without wheat

文献类型： 外文期刊

作者： Jiang, Shouqun 1 ; Gou, Zhongyong 1 ; Li, Long 1 ; Lin, Xiajing 1 ; Jiang, Zongyong 1 ;

作者机构： 1.Minist Agr, State Key Lab Livestock & Poultry Breeding, Key Lab Anim Nutr & Feed Sci South China,Guangdon, Inst Anim Sci,Guangdong Acad Agr Sci,Guangdong Pu, Guangzhou, Guangdong, Peoples R China

关键词： alfalfa meal; carcass traits; growth performance; meat quality; wheat; yellow-feathered broilers

期刊名称：ANIMAL SCIENCE JOURNAL （ 影响因子：1.749； 五年影响因子：1.909 ）

ISSN： 1344-3941

年卷期： 2018 年 89 卷 3 期

页码：

收录情况： SCI

摘要： The effects of 0, 40 and 80g/kg alfalfa meal on growth performance, carcass traits and meat quality of Chinese yellow-feathered broilers fed diets containing or lacking wheat (0 or 200g/kg) as part of the energy source, were examined using random design with a 2x3 factorial arrangement of treatments. Dressing percentage and semi-eviscerated proportion were lower, and meat color a* (redness) value was higher in birds fed diets containing wheat than diets lacking wheat (P<0.05). Drip loss was reduced by the addition of alfalfa meal to diets containing or lacking wheat (P<0.05). Average sensory score of breast meat was higher in chickens fed corn-based diets than in those fed wheat (P<0.05). Meat from those supplemented with 40g/kg alfalfa meal had better taste than the other two levels (P<0.05). The inclusion of wheat significantly reduced the activities of creatine kinase and calpain of breast muscle (P<0.05). In conclusion, Chinese yellow-feathered broilers fed diets containing wheat had better meat color and lower drip loss than those fed the diets without wheat, and adding 40g/kg alfalfa meal generally improved meat quality and taste.

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