文献类型: 外文期刊
第一作者: Tunio, Muhammad Tarique
作者: Tunio, Muhammad Tarique;Yang, Shuming;Chen, Zhijun;Zubair, Mohsina;Qiu, Jing;Zhao, Yan;Chen, Gang;Chow, Yu;Chen, Ailliang;Tunio, Muhammad Tarique
作者机构:
关键词: Pigments;broiler performance;skin pigmentation;histology of broiler tissue;lutein;canthaxanthin;orange-II
期刊名称:PAKISTAN JOURNAL OF ZOOLOGY ( 影响因子:0.831; 五年影响因子:0.768 )
ISSN: 0030-9923
年卷期: 2013 年 45 卷 6 期
页码:
收录情况: SCI
摘要: Broiler skin color plays a key role in consumer demand for food products in China and other Asian countries. Here the effects of natural lutein and two synthetic pigments, canthaxanthin (authorized) and orange-II (unauthorized), on the performance and pigmentation of broilers were evaluated. Histological changes in the pectoral muscles of broilers fed diets supplemented with various pigments were also examined. One-day-old chicks were randomly assigned into 10 groups according to dietary treatment and fed basal diets plus natural lutein,canthaxanthin and orange-II (25, 50 and 100 mg/kg) or control, respectively, over 7 weeks. There were no significant treatment effects on broiler performance and no interactions between treatment and gender found for any parameter (p> 0.05). Color analysis with a Roche Color Fan showed that pigmentation of chicken breast, vent and shank skin was significantly improved (p<0.0001) in canthaxanthin-fed chicks (25, 50 and 100 mg/kg), with higher pigmentation than the natural lutein and orange-II groups. More severe fibrosis was observed in broiler pectoral muscles in chicks fed the orange-II diet compared to other treatments and the control group by week 7 (p < 0.05). These findings argue against the use of unauthorized pigments in broiler diets.
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