1, the pond should be sheltered from the wind and sunny.
If you want to breed leeches, you need to build a breeding pond in a place that is sheltered from the wind and the sun and convenient for irrigation and drainage. The area of the pond depends on the amount of aquaculture. Generally, there are 65,438+10,000 young leeches per mu, and the height of the pond embankment is about 1.8 meters. The roof should be brick to prevent escape, with a width of 12 cm and a height.
When cultivating leeches, it is necessary to set a water inlet and a water outlet on the diagonal of the pond, place some irregular stones or branches at the bottom of the pond, and build a soil platform 20 cm above the water surface of the pond, which is beneficial to the habitat and spawning of leeches.
2, the water quality should be clean
When cultivating leeches, it is necessary to ensure that the water quality is clean, and fresh water can be changed once a month. Moreover, in summer, it is necessary to install an aerator in the pond, inject enough oxygen into the water to prevent leeches from dying, and control the water temperature between 10-40℃ to prevent leeches from frostbite.
Cultivation method of leech
There are many kinds of leeches. When cultivating leeches, it is best to choose leeches, because leeches are large in size and high in yield. Moreover, leeches are hermaphroditic, and each leech can lay eggs and reproduce. Leeches over 2 years old and weighing about 30 grams can be selected as seeds to make them propagate rapidly.
Leeches mainly suck the blood of invertebrates or mammals such as snails and earthworms. When cultivating leeches, snails should be released at one time, and 25 kilograms can be released per mu, which is beneficial for leeches to suck blood. Moreover, animal blood should be fed once a week, and blood clots of animals such as pigs, cows and sheep can be put into the pond.
The breeding density of leeches should not be too high. If too many leeches are cultivated in too narrow a space, it will not only become difficult to raise and maintain, but also lead to a large number of leeches breeding, which may cause congestion on the shore, large-scale death or pollution. Therefore, only about 80,000 leeches can be put in an acre of water.