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《China Feed》 2005-04
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Effect of diets supplemented with copper on perfor-mance and egg quality of laying hens

Wan Shuangxiu Wang Baojun  
In the trial,104 40-week-old laying hens were alloted to two treatments to determine effects of capric sulphate(CuSO4·5H2O)supplement on performence and egg quality of laying hens.Each treatment was assigned four replicates.52 mg/kg capric sulphate was added in the basal diet,the main results were summarized as follows:1)Comparing with the control group,each group can improve different performance index including egg weight,egg production,feed/egg and intake(P 0.05).2)Comparing with the control group,capric sulphate supplement have no significant effects on egg index,albumen and yolk weight and their ration(P 0.05),while thickness of egg shell strengh increase.
【CateGory Index】: S831.5
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