Traditional Culture Encyclopedia - Weather forecast - How long will snail farming be available?

How long will snail farming be available?

It takes a year for snail farming to go on the market.

Breeding method:

1, aquaculture water body

Snails have strong adaptability and few diseases. As long as a large number of pesticides and fertilizers are avoided, many flat rivers, streams, potholes, paddy fields, ponds and other ordinary water bodies in rural areas can be stocked. Keep the sediment thickness 10cm- 15cm, and the area is not limited. If it is an open water body, a small amount of red duckweed and water lily can be planted on the water surface, some vines and melons and vegetables can be planted around the pond for shade, and bamboo can be arranged in the water.

Tail, branches or stones, grass, etc. It's used to hide snails. 10 Before releasing snails, apply quicklime to the whole pond at a dosage of 50kg- 100kg per100 hectare to remove wild fish, shrimp and other miscellaneous snails, and pile up organic fertilizer and culture bait organisms in the water body for snails to eat after 3 -4 days.

2. Stocking snails

The stocking of seed snails is best completed in the early stage of snail breeding. The source of snail culture: one is field collection, and the other is market collection. Choose fresh snails, light brown in color, thin and complete in shell, and dim in dome. Generally speaking, the snail quantity per square meter in natural extensive water body is 0. 1kg-0.5kg, and the snail quantity in intensive culture pond can be increased by 2 -3 times. The cultured snails can be farmed separately, or interplanted with some silver carp and bighead carp varieties, or mixed with snails and loach.

3. Feeding management

Extensive farming in natural water can meet the growth needs of Oncomelania snails as long as the fertility of water body is maintained and appropriate organic fertilizers such as manure, chicken manure, cow dung, pig manure or straw are applied regularly. In the case of high-density intensive farming, artificial bait must be put in. Snails don't need much nutrition. Rice bran, wheat bran and soybean powder were simply mixed at the ratio of 60%, 25% and 15% to make the first-class feed for snails.

According to the feeding situation and climate of snails, snails have a strong appetite at a suitable temperature (that is, 20℃-28℃), and can be fed once every two days, and the feeding amount is 2%-3% of their body weight each time. When the water temperature is in the range of 15℃-20℃ and 28℃-30℃, feed it twice a week, and the dosage is about 1% each time. When the temperature is lower than 15℃ or higher than 30℃, it is less than or equal to zero.

4. Daily management work

It is strictly forbidden to flow into water sources polluted by pesticides and fertilizers; Prevent the invasion of enemies such as ducks, snakes, rats and birds; Remove weeds and grass roots in water in time. Usually in the form of micro-running water, the water level is kept at about 30cm. In high temperature season, the water flow should be increased, and the temperature rise should be controlled to ensure sufficient dissolved oxygen in the water. In cold weather, snails hibernate in the soil. At this time, change the water 1 -2 times a week, and sprinkle some chopped straw on the water body to facilitate the snail to overwinter.

5. Harvest and transportation

After a year of careful cultivation, the released young snails can reach 10g-20g, and the hatched young snails can reach more than 5g that year.

When harvesting snails, we should adopt the method of catching large snails and putting small snails on the market in batches, and selectively eat adult snails, keep young snails and some female snails, so as to replant naturally and avoid releasing seedlings in the future. According to their living habits, in the hot season of summer and autumn, they choose to pick up bamboo branches and grass stems rotating on the shore or in the water body in the morning and evening; In winter and spring, choose sunny noon to pick. In addition, snails can also be harvested by catching them in the lower pool or picking them up in the drainage dry pool. Snails are very simple to transport, and can be packed in ordinary bamboo baskets and wooden barrels. , or packed in woven bags. As long as snails stay wet during transportation, they can avoid exposure to the sun.