饲育在无菌隔离器内,体内外带有少量已知菌群的动物,由于特殊的饲育环境和乙知菌群与动物机体的相互作用,致使动物之器官形态结构及生理机能产生相应的变化,并具有不同于普通动物的特点。悉生动物已广泛地应用于药理学、生理学、免疫学和微生物学等研究领域,并获得了用普通动物所无法相比的成果。目前国外对无菌小鼠、大鼠和豚鼠筹动物的形 Animal breeding in a sterile isolator, with a small amount of known bacteria in vivo and outside of the animal, due to special feeding environment and B known flora and animal body interaction, resulting in animal organs and morphological changes in physiological function corresponding changes , And has different characteristics from ordinary animals. Sister animals have been widely used in pharmacology, physiology, immunology and microbiology and other fields of study, and access to the results can not be compared with ordinary animals. At present foreign germ-shaped mice, rats and guinea pig animals