KB mouse, which is bred in our country by near inbred, has been a good trial animal model because of the well-known inheriting background, short reproduction cyc1e and the strong environmental adapt ability.

• 昆白小鼠是我国自主繁殖的近交系小鼠,由于其遗传背景清楚、生殖周期短、环境适应能力强等优点,是国内良好的实验动物模型。