Effects of different rearing and feeding methods on meat quality and antioxidative properties in Chinese Yellow male broilers
文献类型： 外文期刊
作者： Jiang, S. 1 ; Jiang, Z. 1 ; Lin, Y. 1 ; Zhou, G. 1 ; Chen, F. 1 ; Zheng, C. 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Key Lab Anim Nutr & Feed S China, Minist Agr,Inst Anim Sci, Guangdong Publ Lab Anim Breeding & Nutr, Guangzhou 510640, Guangdong, Peoples R China
期刊名称：BRITISH POULTRY SCIENCE （ 影响因子：2.095； 五年影响因子：2.266 ）
ISSN： 0007-1668
年卷期： 2011 年 52 卷 3 期
页码：
收录情况： SCI
摘要： 1. This study examined responses of male broilers during a 42-d production cycle to two different rearing and feeding methods. 2. A total of 400 Chinese Yellow male broilers were allotted randomly at 21 d into two groups; the control was a typical indoor commercial rearing method and the treatment had outdoor access with scattered feeding (OS). Each group had 5 replicates with 40 birds per replicate. 3. Growth performance was similar for both groups from 21 to 63 d of age. OS birds had significantly lower abdominal fat percentage, meat shear force, drip loss, breast meat colour b* value and significantly higher pH value compared with the controls. OS birds had significantly lower muscle fibre diameter and greater muscle fibre density. Serum glutathione peroxidase and catalase activities were significantly higher and the contents of cholesterol, lactic acid, glycogen and malondialdehyde of breast muscle were significantly lower in OS birds than controls. 4. The results suggest that the OS feeding method had no negative effects on performance (weight, gain, feed conversion rate, carcase traits) compared with controls, and appeared to be beneficial for meat quality indices and oxidative stability.
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