Comparison of breast muscle meat quality in 2 broiler breeds

作者：Guiping Zhao, Huijie Cui, Ruofan Liu, Mingming Zheng, J. L. Chen, Jie Wen · 发表于：Poultry Science · 年份：2011 · DOI：10.3382/ps.2011-01432 · 被引用次数：80 · 研究领域：Animal Nutrition and Physiology、Meat and Animal Product Quality、Aquaculture Nutrition and Growth

On the basis of meat quality traits, muscle fiber characteristics, and nutrient components and contents in chickens at market age, 120-d-old Beijing-you (BJY) chickens (the Chinese local breed) had distinct breast muscle features when compared with 42-d-old Arbor Acres (AA) chickens (the genetically improved broiler line). The phospholipid (P < 0.05) and essential fatty acid (P < 0.05) contents in BJY chickens were significantly higher than those in AA chickens. No differences (P > 0.05) were found between the breeds in the contents of polyunsaturated fatty acids, unsaturated fatty acids, protein, or amino acids. Breast muscle fiber diameter was significantly smaller (~55.76%) and fiber density was higher (~174.86%) in BJY chickens than in AA chickens (P < 0.05). In this study, breast muscle from 120-d-old BJY chickens was judged to have better quality of phospholipids and essential fatty acid contents and muscle fiber characteristics than breast muscle from 42-d-old AA chickens.