The experiment was conducted to study the normal microflora in largeand small intestines of Belgium rabbits during three different stages,namely,the new-born,sucking and weanling periods.

• 用稀释滴种的方法对3个不同生长阶段（未哺乳、哺乳、断乳）的比利时家兔大、小肠部位正常菌群进行了研究。