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当前位置: 首页 > 文章 > 日粮硒添加水平对9～12周龄泰和乌骨鸡生产性能及组织中黑色素含量的影响 湖北农业科学 2012,51 (2) 346-349
Position: Home > Articles > Effects of Dietary Selenium Supplementation Levels on Growth Performance and Melanin Contents in Tissues of Taihe Silky Fowls at 9～12 Weeks of Age Hubei Agricultural Sciences 2012,51 (2) 346-349

日粮硒添加水平对9～12周龄泰和乌骨鸡生产性能及组织中黑色素含量的影响

作  者：
熊小文;易中华;瞿明仁;黎观红
单  位：
江西农业大学动物科技学院
关键词：
泰和乌骨鸡;亚硒酸钠;生产性能;黑色素
摘  要：
选用9周龄初始体重无显著差异(P>0.05)的泰和乌骨鸡180只(公母各半),随机分成6组,分别饲喂在基础日粮中添加0(对照组)、0.1、0.3、0.5、0.7、0.9 mg/kg硒的试验日粮,每组设3个重复,每个重复10只鸡。试验期为4周。结果表明,日增重随日粮硒添加水平的提高呈先升高后下降趋势,0.3 mg/kg和0.5 mg/kg水平添加组显著高于对照组(P<0.05)。料重比随硒添加水平的提高呈先下降后升高趋势,0.3mg/kg硒添加水平能显著降低料重比(P<0.05),不同硒添加水平组相比差异不显著(P>0.05)。肝脏、肾脏、胸肌和皮肤黑色素含量随硒添加水平的提高呈先上升后下降的趋势。其中,当日粮硒添加水平为0.5mg/kg时,肝脏和胸肌黑色素含量达到峰值;当日粮硒添加水平为0.3mg/kg时,肾脏和皮肤黑色素含量达到峰值。
译  名：
Effects of Dietary Selenium Supplementation Levels on Growth Performance and Melanin Contents in Tissues of Taihe Silky Fowls at 9～12 Weeks of Age
作  者：
XIONG Xiao-wen,YI Zhong-hua,QU Ming-ren,LI Guan-hong((College of Animal Science and Technology,Jiangxi Agricultural University,Nanchang 330045,China)
关键词：
Taihe silky fowls;sodium selenite;growth performance;melanin
摘  要：
180 9-week-old Taihe silky fowls were randomly allotted to 6 groups with 3 replicates of 10 fowls each and were raised to 13 weeks of age.The birds were fed one of the following diets: Corn-soybean meal basal diet,basal diet supplemented with 0,0.1,0.3,0.5,0.7 and 0.9 mg/kg Se from sodium selenite.The results showed that average daily gain(ADG) tended to increase at first and then decrease,dietary supplementation of 0.3 and 0.5 mg/kg Se significantly increased ADG(P<0.05).On the contrary,the feed to gain ratio(F/G) tended to decreased firstly and then increased and the F/G was significantly decreased by supplementation of 0.3 mg/kg Se(P<0.05),there was no significant difference between each group with different addition level of Se(P>0.05).Melanin contents in live,kidney,pectoral muscle and skin tended to increase at first and then decreased with Se supplementation level increasing.The melanin contents in liver and pectoral muscle reached peak value when the dietary Se supplementation level was 0.5 mg/kg,and the melanin contents in kidney and skin reached peak value at 0.3 mg/kg of Se supplementation level.

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