October 26th, 2009
Leeches are commonly known as a kind of animals that suck blood, and there is fresh water, terrestrial and marine leeches. Scientifically it is categorized as annelids, which is segmented worms comprising the subclass Hirudinea. It is closely related to earthworms, and it is hermaphrodites that have both male and female reproductive organs.
October 26th, 2009
2007-11-18 13:31
- ·陳漢君：水蛭養殖具有經濟潛質。
- ·喂食後的水蛭放在手臂上，並不吸血。
- ·一雙水蛭成蟲的長度可達約17公分。
- ·只有一個月大的水蛭，長度約3公分。
- ·稻谷是餵食水蛭的食物之一。
- ·只需營造適合的生長環境，水蛭養殖的工作並不困難。
- ·水蛭產卵是透明色的，每一次產卵可繁殖約35隻幼蟲。
- ·每星期以活生生的鱔魚餵食，水蛭可長得肥肥壯壯。
- ·當鱔魚一放入養殖池中，數十雙水蛭一擁而至地往鱔魚身上吸血。
- ·經過一番掙扎後，鱔魚因被吸食血液過多而死亡，其他水蛭繼續涌往進食。