Culture technology of snail

Snails are molluscs, which are coarse and easy to grow, and are suitable for growing in ponds, rivers, ditches and paddy fields. Snails have the effect of clearing away heat and reducing fire, and are delicious food for people's midnight snacks in midsummer. Snails have the advantages of high survival rate, few diseases and a wide range of seedling sources. It is one of the more feasible farm breeding projects. The key points of snail artificial culture are as follows.

Life habits

Snails often inhabit lakes, ponds, paddy fields and slow-flowing rivers that are warm in winter and cool in summer, soft subsoil and rich in bait. The optimum water temperature for its growth is about 20-25 ℃, and the feeding activity will be stopped when the water temperature is below 15 ℃ and above 30 ℃. When the water temperature is below 10 ℃, it goes into hibernation, and when the water temperature returns to more than 15 ℃, it goes out to feed again. Artificial breeding field snails can be raised in special ponds, natural rice fields, swamps, ditches, and mixed culture with fish. However, the aquaculture water body is required to be non-toxic, harmless and pollution-free. If the use of rice breeding, it is not possible to apply pesticides, can not be ploughed and raked, and the inlet and outlet should be installed with wire or plastic screen for control.

Pond selection

Requirements for the selection of an area of 3-20 mu, pond depth of 1-1.5 meters, 1:3, the pond sediment is more fat, but not too deep, there is no requirement for river water around the pond. As for the old pond, because there are few feet, according to the snail habit, snail likes to live on the sediment with less silt. according to this characteristic, it is suggested that the beach and ridge can be paved to increase the adaptive area of snail. There is another way: use the net to stand around to further increase the snail culture area.

Pond cleaning

After the pond is selected, it is necessary to clean up the fish pond, do a good job in the ridge of the pond, and remove too much silt, especially the silt on the foot of the beach.

Pond disinfection

Completely prohibit the use of Qingtang, generally available or disinfection, but quicklime is the best, the dosage is water (30-50cm) 100-150kg/ mu, anhydrous 50-75kg/ mu. Quicklime pond cleaning has the following advantages: ① increases PH value; ② increases calcium; ③ can regulate water quality; ④ can carry out sterilization.

Snail species selection

① appearance requirements: snail tip short and inflated, shell with slight thorns, nightmare slightly reddish; ② specifications: 60-100grains / jin; ③ quality requirements: snail body quickly recovered in the shell when startled, no disease, no injury, no insects.