【摘要】 选1日龄泰和乌骨鸡279只,随机分为3组,分别为抗生素对照组(添加金霉素)、试验一组(添加益生素)、试验二组(添加中草药),每组设3个重复,每个重复34只鸡;试验分两个阶段(即0～5周和6～10周),共70天。结果表明:益生素组和中草药组的日增重、料肉比、死亡率及腹泻率比对照组均有显著的改善(P<0.05)。更多还原

【Abstract】 one-day-old Taihe Silkies were selected in this study,which were divided into3groups,including control group(add the chlortetractcline),test groupⅠ (add probiotics)and test groupⅡ(add Chinese herbal medicine).There were3r eplicates every group,and34chickens every replicate.During70-day test per iod,there were2phases(name ly0-5weeks and6-10weeks).The results were as follows :compared with control group,test groupⅠand test groupⅡhad sig n ificant improvements in daily weight ,fodder-meat rate,mortality and diarrho ea rate(P<0.05).更多还原