【摘要】 选择30头体重相近、健康状况良好的长大二元生长肥育猪,随机分成2个处理组,每个处理组15头猪。对照组饲喂基础饲粮,试验组在基础饲粮中添加0.50%益生菌制剂。试验期70 d。结果表明,益生菌制剂能够降低生长肥育猪的料重比5.98%,减少血清尿素氮含量13.70%,提高总蛋白含量,并显著提高粪便有益菌数量,减少有害菌数量。更多还原

【Abstract】 Thirty finishing pigs(landrace×large white), which similar in weight, were randomly divided into two groups and fifteen pigs in each group. The experiment lasted for 70 days. The control group was fed with basal diet, the experimental group was fed with basal diet+0.50% probiotics. The results show that the probiotic preparation can reduce the F/G, blood urea nitrogen and the number of harmful bacteria, but increase the total protein content of blood and significantly increase the number of beneficial bacteria in feces.更多还原