通常动物(Conventional animal)不同于无菌动物和无特殊病原体动物。后者分别饲养于隔离和屏碍系统,而通常动物是开放条件下饲养的动物群。由于生产通常动物费用较低,易于大批繁殖、目前一些要求不甚严格的实验,尤其是短期内大量使用的以及学生的一般教学实验均使用这种类型的动物。因而和其它类型动物相比通常动物用 Conventional animals are different from sterile and non-specific pathogens. The latter are housed separately in isolation and barrier systems, while usually animals are kept in open conditions. Due to the low cost of producing animals in general and the easy multiplication, some types of animals are currently used in some of the less demanding experiments, especially in the short term, as well as in general teaching experiments for students. It is usually used for animals compared to other types of animals