人工引种是饲养者从已经饲养成功的养殖户或养殖场（基地）购买种水蛭的一种措施。
Artificial introduction are the successful farmers or farm owners from breeding (base) to buy kind of leech a measure.
Should choose carefully when introduced varieties, we will strictly choose up to the standard of Chinese medicinal materials in breeding, reduce the blindness and unnecessary economic losses. Is the most widely raising Japan medical vermiculite, wide-bodied gold line vermiculite and dark brown &co.
But no matter choose which kind of water frog breeding, want to undertake research and analysis on the original farm, and compared with himself has built farm, come to the conclusion that whether suitable for breeding.
On the individual selection should pay attention to choose lively and robust, the trunk full, surface smooth, there are both gloss and elasticity of the individual. Body healthy body not only survival rate is high, the ability is strong, resistant to diseases and insects and fertility is strong.
Introduction, it is best to choose good varieties from nearby units. As introduced from other places, it is better to get in touch with relevant scientific research departments, for advice, guidance and help, reduce unnecessary losses.