真涡虫(Dugesia)是生物学教学中常用的实验材料。作者就多年来饲养中的体会介绍如下:一、真涡虫为肉食性动物,常以动物肝类或熟蛋黄等作为饵料,极易使水质混浊污染。解决的办法是在静水箱中养殖,一般7—10天投食1次,喂食后一定时间必须换水,并将剩余食物取出。我们在夏季投食后 Dugesia is a commonly used experimental material in biology teaching. The author on the experience of rearing for years introduced as follows: First, planarian planarian carnivorous animals, often animal liver or cooked egg yolk as bait, easy to make water pollution. The solution is to aquaculture in static water tank, generally 7-10 days feeding 1 time, after feeding must change the water, and remove the remaining food. After we fed in the summer