【摘要】 1997年 4～ 6月在青海省华青蛋禽公司对北京红产蛋鸡进行 6 1天用柑桔皮粉与有机稀土作复合添加剂的饲养试验。试验分 3个组 ,每组 5 0只 2 7周龄笼养北京红商品代产蛋鸡。试验 1、2组日粮中分别添加 1%、1 5 %柑桔皮粉并分别各与日粮 30 0mg kg有机稀土组成复合添加剂。对照组不喂复合添加剂。结果表明 :试验 1、2组产蛋率分别比对照组提高 1 2 %(P <0 .0 5 )和 4 93%(P <0 0 1) ,产蛋量分别提高 2 0 7%(P <0 0 5 )和 5 91%(P <0 0 1) ,饲料转化率分别提高 2 4 2 %(P <0 0 5 )和 6 2 8%(P <0 0 1) ,只均纯收入分别比对照组增加 0 32元和 1 6 9元。更多还原

【Abstract】 Beijing Red of Commercial stock layers aged 27 weeks were divided into 3 groups of 50 hens each.The layers in treatment group 1 and 2 were fed rations with Citrus peel meal of 1% and 1.5% adding organic rare earth 300 ,resp. as complex additive into the basal ration.The layers in the control group were fed the basal ration only.The reasults Showed that the laying rate of treatment group 1 and 2 was 1.2% and 4.93% higher than that of the control group,resp.the egg production 2.07%(P<0.05) and 5.91% (P<0.01) higher than that of the control group and the feed conversion rate 2.42%(P<0.05) and 6.28%(P<0.01) higher than that of the control group,resp.The average net income per layer in treatment group 1 and 2 was 0.32 and 1.69 yuan higher than that of the control group,resp.更多还原