1, water quality management. Water is one of the most important factors of leeches. Nowadays, the water quality in the wild is getting less and less because of the deterioration of many water quality, which makes them unable to survive. The water for raising leeches should be natural and pollution-free, and some fatty water or water with high pesticide content will have a serious impact on leeches, so farmers should be careful when choosing water sources. Secondly, in order to ensure the water quality of aquaculture ponds, it is best to keep the circulation of living water for a long time.

2. Breeding density. Don't think that small leeches can raise a lot per mu. Generally speaking, there are about 2200-2500 leeches per mu, and the number of seedlings is generally about 40-50 kg. Because leeches can't be evenly distributed in the whole farm, the growth speed and quality of leeches can be maintained in a small amount. Therefore, it is best to divide the farm land to maintain the uniform distribution of leeches to the greatest extent.

3. hello. The common food of leeches is snails, mussels and blood clots of some animals. At the beginning, a certain number of snails and mussels were evenly placed in the farm, and then some blood clots were fed to accelerate their growth. Generally, leeches can be fed once in the morning and once in the evening, and the feeding is often controlled at about 1-2 hours, so that leeches can eat as much as possible and reduce feed loss.

4. Temperature control. Leeches are very afraid of high temperature, so there must be means to control the temperature in the breeding place, especially in summer. In summer, it is best to build some sunshade nets or put some floating aquatic plants in the water to reduce the chance of direct sunlight contacting leeches. If the temperature is too high, it is best to increase the depth of the pool appropriately to keep the bottom temperature suitable for growth.