高铜对早期断奶约互仔猪腹泻的影响试验

Effect of copper - enriched diet on its diarrhea in early weaning Yorkshire × Hu zhu piglet

在早期断奶约互仔猪日粮中添加 ２５０ｍｇ／ｋｇ的铜，观察其对仔猪腹泻、增重的影响，经过３０天饲养试验，结果表明：高铜可使仔猪腹泻率降低２７．０２％（Ｐ＜０．０１），日增重提高３０％（Ｐ＜０．０１），试验组比对照组每头增收１８．８９元。

In 30 - day feeding trial 250mg copper/kg was added in the diet of early weaning yorshire × huzhu piglet and the effect of the diet on its diarrhea and the daily gain was ob- served. The results showed that the diarrhea rate of the piglet in the experimental group was declined 27.02% (P＜0.0l )and its daily gain was increased 30% (P＜0.0l) by using copper - en- riched diet than that of the piglet in the control group. and the income per piglet in the experimental group was l8.89 yuan more than that of in the control also.