How to breed snails?

Question 1: How to raise snails? Last year, I picked up a snail outside and raised it in a small basin. I always thought it was dead, which created an adaptive environment for snails. The suitable living temperatures are 20℃ and 28℃, and the water temperature is lower than 10℃ or

Question 2: How to raise snails in snail farming? This kind of snail is crispy, delicious and nutritious. The content of protein is 15.9%, and it is rich in calcium. It is not only the first-class health food for people, but also the favorite animal feed for livestock, poultry and fish. General 1 mu snail can produce 2000-2200 kg snail, and the output value is 1.700-2200 yuan. The breeding method is as follows:

First, select some breeding. Snails have strong stress resistance, few diseases, high reproduction rate and low requirements for breeding places. Many flat ditches, paddy fields, ponds and arrowheads in rural areas can be stocked. If it is an open pond, duckweed, water hyacinth, etc. It can be placed on the surface of the water for shade, and bamboo poles and wooden strips can be inserted in the pond for snails to inhabit, which can not only collect water green manure as feed, but also raise snails to increase their income.

Second, collect seed snails. At present, most snails breed naturally. Artificial culture can be picked from fertile fields, water bamboo fields and mud ditches, or bought in the market, and then fresh snails with light brown color, thin shell and blunt tail are selected as seed snails. Snails with average body weight 1.5g ~ 25g reach sexual maturity and can reproduce above 1.5℃. The female is big and round, while the male is small and sharp.

Third, stocking and breeding. The optimum growth temperature of snails is 20℃ ~ 25℃. When the temperature is lower than 15℃ or higher than 30℃, snails stop feeding and hibernate when it is lower than 10℃. Therefore, most areas south of the Yangtze River can be stocked from March to 165438+ 10. If stocked in natural areas, 1 1 seed snail (3 males and 8 females) can be released per square meter; If the pond is dug for single culture, snails 100 ~ 500 can be released per square meter, the water depth is 0.8m ~ 1m, and sludge with more than 10 layer 10cm should be reserved at the bottom of the pond, which is convenient for snails to crawl, feed and inhabit. When stocking, females and males can be kept together, so that they can reproduce naturally. Fourth, feeding. Snails are omnivores, and rice bran, vegetable leftovers, melon leaves, animal carcasses and commercial feed can all be fed. Generally, aquatic plants, soil humus and vegetable skins are the staple foods. In fertile paddy fields, fish and snails are mixed, or duckweed, green duckweed, water hyacinth and other depressions are stocked on the water surface, so you can throw less or no feed.

Question 3: How much can you earn by raising an acre of snails? The benefits of breeding snails are more significant. Professional culture of river snail, 667O can produce 400kg, the current market price is 3 ~ 4 yuan /kg, calculated by 3.5 yuan /kg, the output value of 667O can reach 1400 yuan. In addition, a small amount of grass carp can be mixed in the snail pond to increase the unit area benefit of the snail pond. Because breeding snails does not need to feed a lot of bait, the bait cost is also very low. Therefore, the net profit of snail farming is about 1000 yuan /667O, and the benefits are considerable. Let's see how Zhang Guoqing, a farmer in Fujian, grows snails and becomes rich. Zhang Guoqing is a villager in Chenjia Village, Yijiaxiang Town, Jianning County, Sanming City, Fujian Province. He is a professional snail farmer. At the beginning, the superiors in the village felt that the conventional farming method was not effective and there was no innovation, so snail farming was promoted in the village this year. When Zhang Guoqing heard about it, he was very interested and signed up for the first project. The village organizes their training and sends them to study in other places. This training opened Zhang Guoqing's eyes. He found that others earned more by raising snails on an acre of land than by growing rice on several acres of land. After coming back, Zhang Guoqing rented more than 60 acres of mountain fields. He told us that if we harvest 100 Jin of snails in autumn and winter, we can earn more than 2,000 yuan per mu according to the calculation of one Jin in 20 yuan. Next, he plans to plant Redmi and organic rice in the field, and then raise rice and fish, so as to earn more 600 yuan per mu. In addition, he also wants to set up a cooperative after his success and lead everyone to get rich. Snail breeding has a good prospect, which can be developed into catering industry with considerable profit. How can snails be raised 1. Living habits Snails like to live in water with warm winter and cool summer, soft sediment, rich bait and fresh water quality, especially where there is running water. The snail likes to live in water environment with rich humus in sediments, such as lakes, ponds, fields or slow-flowing rivers. Snails are omnivores, which mainly eat tender stems and leaves of aquatic plants, bacteria and organic debris, and like to move at night and eat. Snails start to move and eat at the water temperature of 15℃, and the optimum temperature for growth is 20-27℃. When the temperature is above 30 degrees Celsius, snails will shrink into their shells to stop eating, gather in the shade or dive into the soil to escape the heat. When the water temperature exceeds 40 degrees Celsius, snails will die. When the water temperature is below 8 degrees Celsius, snails will dive into mud holes to hibernate. In the spring of next year, when the water temperature rises to about 15 degrees Celsius, snails will enter the cave again to eat. 2. The reproductive habits of snails are mainly based on the shape of their right antenna. The right antenna of the male snail bends inward to the right (the bent part is the male genitalia). In addition, the female snail is big and round, and the male snail is small and long. Oncomelania hupehensis is an oviparous animal, and its reproduction mode is unique. The embryonic development and larval development of Oncomelania hupensis are completed in the mother body. It takes about a year for a fertilized egg to give birth to a small snail. Oncomelania hupensis lays eggs in batches and begins to breed in March-April every year. Male and female parents mate and fertilize at the same time, and at the same time, young snails to be produced in the next year are bred in the mother. A female snail produces about 100- 150 young snails all year round. 3. Generally, the stocking of snails can be started in late March. 65,438+00 snails entered tang qian, and the whole pond was sprayed with quicklime at a dosage of 50 kg-65,438+000 kg per mu to remove wild fish, shrimp and other miscellaneous snails. After 3-4 days, organic fertilizer and culture bait organisms were piled up in the water for the snails to eat. Snails can be bought from the market or collected by themselves. There are 100- 120 seed snails per square meter, and 4 summer bighead carp can be raised in the pond. Before releasing the seed snails, apply a proper amount of feces in the pond to cultivate the bait organisms. The stocking of seed snails is best completed in the early stage of snail breeding. Seed snails should be fresh light brown snails with thin and complete shells and round arches. The cultured snails can be farmed separately, or interplanted with some silver carp and bighead carp varieties, or mixed with snails and loach. 4. The cultured snails have strong adaptability and few diseases. As long as a large number of pesticides and fertilizers are avoided, many flat rivers, streams, potholes, rice fields, ponds and other ordinary water bodies in rural areas can be stocked. If you dig a special pond for feeding, choose a place with convenient water source and humus soil to build a pond (if the soil is not suitable, it is best to apply mixed compost to improve it first). Keep the sediment thickness 10 cm-15 cm, and the area is not limited. If it is an open water body, a small amount of 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 tails, branches or stones and grass can be arranged in the water for snails to live in seclusion. 5. Water quality regulation is one of the keys to the success or failure of snail farming. First ... >>

Question 4: How to raise snails in farmland Farmers can get considerable economic benefits by using small water surfaces or rice fields to raise snails. The snail culture technology is introduced as follows: 1. Choose a place with sufficient water, good water quality, humus soil and convenient transportation. It is better to have running water. Construction of aquaculture ponds. Generally, the width of snail pond is 1.5- 1.6m, and the length is 10- 15m, which can also be influenced by the terrain. Make a ridge around the pool, and the height of the ridge is about 50 cm. Water inlet and outlet are set at both ends of the pool water, and blocking nets are installed to prevent snails from escaping. At the same time, planting aquatic plants such as Zizania latifolia in the middle of the culture pond can not only improve the land yield, but also create a good ecological environment for the growth of Oncomelania hupensis. 2. The stocking quantity and feeding management are 1, and the stocking density of snails is generally 100- 120/m2, and at the same time, about 5 species of silver carp and bighead carp are interplanted in each m2 for main breeding. Snails are usually stocked in March. 2. Fertilization and feeding. In the culture pond, some manure is first applied to cultivate plankton and provide bait for snails. The amount of fertilizer applied depends on the bottom material of the snail pond. After the snails are put into the pond, they are fed with vegetables, rice bran, fish offal or vegetable cakes and bean cakes. Green horn and fish viscera should be chopped and mixed with feed such as rice bran. Vegetable cake, bean cake, etc. Should be soaked and softened to facilitate the feeding of snails. The feeding amount depends on the feeding situation of snails, generally calculated as 1%-3% of the total snail, and fed once every 2-3 days. Feeding time every morning, feeding position does not need to be fixed, and feed is put every other day. When the temperature is lower than 15℃ or higher than 30℃, there is no need to feed. 3. Water quality adjustment. First, the snail pond should be filled with fresh water frequently to adjust the water quality, especially in the breeding season. It is best to keep the pond water flowing, especially in high temperature season, and it is best to adopt running water culture. Micro-flowing water cultivation is the best in spring and autumn. The water depth of snail pond should always be about 30 cm. The second is to adjust the pH of water. When the pH value of the pool water is low, apply 0. 15-0. 18kg of quicklime per square meter and spray it every 10- 15 days to keep the pH value of the pool water at 7-8. 4. The overwintering management of snails. When the water temperature drops to 8-9℃, snails begin to hibernate. During hibernation, snails drill into the soil with the top of their shells, leaving only a round hole on the soil surface, and bubbles come out from time to time to breathe. Snails don't eat during the wintering period, but the water depth of the culture pond still needs to be kept at 10- 15 cm. Generally, change the water once every 3-4 days to maintain an appropriate oxygen content.

Question 5: How much income can snail farming earn per mu a year? Snails are mollusks with rough texture and easy growth, which are suitable for growing in ponds, rivers, ditches and paddy fields. Snails have the effect of clearing away heat and reducing fire, and are snacks in midsummer. The yield per mu can reach about 2000 kilograms, and the output value can reach 4000 yuan. The high-yield culture techniques of snails are introduced as follows:

First, choose the venue. Oncomelania hupensis has strong vitality and disease resistance, and can be kept in ditches, paddy fields and shallow ponds with living water sources. Generally, pond culture is adopted. The size of the snail pond is generally 2-3 meters wide and 10- 15 meters long. The ridge around the pond is 0.7 meters high, and fences are set around it to prevent snails from fleeing. Spread 20 cm thick mud at the bottom of the pool, inject fresh water, and stock water hyacinth, small gourd, red and green duckweed, etc. On the surface. For snails to eat, and insert small bamboo poles or wooden strips in the pool for snails to perch and lay eggs.

Second, release the seedlings. Select snail species or young snails and put them into the pond. After the pond is built, it is generally chosen to throw seedlings in April-165438+ 10 for breeding. June-September is the spawning season for snails, which can be picked up in rice fields and river ditches or bought in the market. The female snail is characterized by light brown, thin shell, round body and blunt tail. Select 15-20g female snails and put them into the pond. Generally, 10 female snails can be put in every square meter. Young snails were selected as seedlings. Then the ratio of male to female is 2: 1. The mother snail is large, round and flat; The male snail is slightly smaller, longer and has a convex shell. After about a year of cultivation, snail larvae can be caught and sold.

Third, feeding management. Snail is rich in bait, and microorganisms, organic matter and tender stems and leaves of aquatic plants are its main foods. In the peak season of snail growth, rice bran, wheat bran, bean curd residue, cooked sweet potato, small insects, small fish and shrimp, animal offal, etc. should be fed from April to October every year. You can also feed compound feed. The feeding time is 8-9 o'clock every day, and the big bait should be chopped and fed. The daily food intake is about 65438+ 0.5% of snail. Fresh water needs to be replaced regularly to keep the water fresh, about once every 10 day. When the water temperature is above 30℃, fresh water should be injected frequently to deepen the water level, and it is advisable to keep the water depth at 30 cm at ordinary times. The water level drops in winter and the light increases in the daytime. Deepen the water level at night. So as to keep warm, and apply some pig manure and manure to raise the temperature and improve the water quality. Snails are sensitive to pesticides and industrial sewage. We should pay attention to avoid it, and also pay attention to the harm of ducks.

Fourth, fishing is listed. After feeding for one year, those who weigh more than 15g can be caught and marketed. Fishing methods can be dry pond fishing or shallow water fishing. At the same time, we should pay attention to keeping some female snails to prepare for cultivating young snails next year.

Five, overwintering management. When the water temperature drops to 8-9℃, snails begin to hibernate. When hibernating, the snail burrows into the hole, leaving a small hole on the soil surface and bubbling from time to time. Don't eat or move at this time. The water depth should be kept at 10- 15 cm, and the water should be changed every 4-5 days to increase the oxygen content, so that Oncomelania snails can overwinter safely.

Question 6: How to choose the breeding technology of breeding snails?

First, the selected snails can be collected in paddy fields, ponds and ditches. Parent snails should be high-quality snails with light color, thin shell, large body, intact conch shell and complete slices. The mother snail is big and round, and the left and right antennae of the head are equal in size and extend forward. The male snail is small and long, the right antenna of the head is thicker and shorter than the left antenna, and the end is bent inward to the right, and the bent part is the genitals. The ratio of male to female snails is 8∶2.

Second, the preparation farm can be built in a single pond, or it can use rice fields, ditches and ponds, or it can be mixed with fish and snails. The single snail pond is built in a place with convenient drainage and no waste water pollution. The pool is 1.5m wide and 35-45cm deep, with unlimited length. A dam about 20 cm above the water surface is built next to the pool, and the diagonal of the pool is provided with a water inlet and a water outlet, and an escape net is fortified. Artificial culture must also cover a certain thickness of silt layer, and plant aquatic plants such as algae, water lilies and duckweed on the surface of the pond for snails to eat, shade and inhabit.

3. The good breeding period of releasing and feeding Oncomelania hupensis is 4 ~ 10 month, and the optimum growth temperature is 20℃ ~ 27℃. The fertilized eggs develop into young snails in the mother snail nursery. One mother snail can produce more than 0/50 snails a year and can be eaten 2 ~ 3 weeks after delivery. Artificial pond, with 0/00 ~150 parent snails per square meter; Put 15 ~ 25 per square meter in natural waters. Snails have a variety of feeding habits, which can be fed with vegetables, bean cakes, rice bran, sweet potatoes, insects, fish and shrimp, animal offal and leftovers. Soak solid bait until it becomes soft, chop fish, shrimp and animal offal, then mix with rice bran or bean cake and wheat bran and feed them dispersedly. Feed 1 time at 8: 00 am and 9: 00 am every day, and the daily feeding amount is 1% ~ 3% of the snail's body weight, which increases or decreases with the increase of body weight and food intake. There are abundant natural baits in fertile rice fields and fish-snail mixed culture ponds, which can be used with little or no bait.

Fourth, strengthen management. Oncomelania hupensis will die when the dissolved gas per liter is lower than 1.5 mg or the water temperature exceeds 40℃. In order to promote the rapid growth of snails, in the high temperature season when snails eat a lot in spring and autumn, in addition to planting aquatic plants in the breeding pond in advance to help snails shade from the summer, it is necessary to irrigate the pond with running water and cultivate in semi-running water to reduce the water temperature and increase dissolved oxygen. Fish meal, shell powder, etc. Snail slices should be added to the bait when they overflow after contraction and cause calcium deficiency. When the seeds are shelled, the bait is insufficient, so it is necessary to increase the bait. Fish, perch and other omnivorous and carnivorous animals cannot be raised in snail ponds. It is strictly prohibited to apply pesticides in snail farms or to flow into water with pesticides.

Question 7: Does anyone know how to breed snails? How long is the growth cycle of snails? breeding technology

First, the selected snails can be collected in paddy fields, ponds and ditches. Parent snails should be high-quality snails with light color, thin shell, large body, intact conch shell and complete slices. The mother snail is big and round, and the left and right antennae of the head are equal in size and extend forward. The male snail is small and long, the right antenna of the head is thicker and shorter than the left antenna, and the end is bent inward to the right, and the bent part is the genitals. The ratio of male to female snails is 8∶2.

Second, the preparation farm can be built in a single pond, or it can use rice fields, ditches and ponds, or it can be mixed with fish and snails. The single snail pond is built in a place with convenient drainage and no waste water pollution. The pool is 1.5m wide and 35-45cm deep, with unlimited length. A dam about 20 cm above the water surface is built next to the pool, and the diagonal of the pool is provided with a water inlet and a water outlet, and an escape net is fortified. Artificial culture must also be covered with a tripod-thick silt layer, and aquatic plants such as algae, water hyacinth and duckweed should be cultivated on the surface of the pond for snails to eat, shade and inhabit.

3. The good breeding period of releasing and feeding Oncomelania hupensis is 4 ~ 10 month, and the optimum growth temperature is 20℃ ~ 27℃. The fertilized eggs develop into young snails in the mother snail nursery. One mother snail can produce more than 0/50 snails a year and can be eaten 2 ~ 3 weeks after delivery. Artificial pond, with 0/00 ~150 parent snails per square meter; Put 15 ~ 25 per square meter in natural waters. Snails have a variety of feeding habits, which can be fed with vegetables, bean cakes, rice bran, sweet potatoes, insects, fish and shrimp, animal offal and leftovers. Soak solid bait until it becomes soft, chop fish, shrimp and animal offal, then mix with rice bran or bean cake and wheat bran and feed them dispersedly. Feed 1 time at 8: 00 am and 9: 00 am every day, and the daily feeding amount is 1% ~ 3% of the snail's body weight, which increases or decreases with the increase of body weight and food intake. There are abundant natural baits in fertile rice fields and fish-snail mixed culture ponds, which can be used with little or no bait.

Fourth, strengthen management. Oncomelania hupensis will die when the dissolved gas per liter is lower than 1.5 mg or the water temperature exceeds 40℃. In order to promote the rapid growth of snails, in the high temperature season when snails eat a lot in spring and autumn, in addition to planting aquatic plants in the breeding pond in advance to help snails shade from the summer, it is necessary to irrigate the pond with running water and cultivate in semi-running water to reduce the water temperature and increase dissolved oxygen. Fish meal, shell powder, etc. Snail slices should be added to the bait when they overflow after contraction and cause calcium deficiency. When the seeds are shelled, the bait is insufficient, so it is necessary to increase the bait. Fish, perch and other omnivorous and carnivorous animals cannot be raised in snail ponds. It is strictly prohibited to apply pesticides in snail farms or to flow into water with pesticides.

Question 8: How to breed snails. Snail is a domestic freshwater snail and a first-class health food. In recent years, with the decrease of natural output of snails, the snail market has been optimistic. At present, Guangdong, Fujian and other regions have started artificial farming, and many farmers have vigorously developed snail farming as a way to start a business. This paper briefly introduces the culture technology of snails.

Snail habits

Snails like to inhabit water environments rich in humus in sediments, such as lakes, ponds, depressions or slow-flowing rivers. They often feed on microorganisms and humus in soil, phytoplankton, aquatic plant seedlings and moss in water, and also like to eat artificial feeds, such as fruits and vegetables, vegetable leaves, rice bran, wheat bran, soybean meal (cakes) and various animal scraps. Snails are cold-resistant and heat-resistant, and the suitable temperature for their life is 20℃ ~ 28℃. When the water temperature is lower than 10℃ or higher than 30℃, stop eating and drill into soil and grass to avoid cold and summer. When the water temperature exceeds 40℃, the snail is scalded to death.

Snail reproduction

Snails are dioecious. The method of sex identification of snails is mainly based on the shape of their right antenna. The right antenna of the male snail bends inward to the right (the bent part is the male genitalia). In addition, the female snail is big and round, and the male snail is small and long.

Oncomelania hupehensis is an oviparous animal, and its reproduction mode is unique. The embryonic development and larval development of Oncomelania hupensis are completed in the mother body. It takes about a year for a fertilized egg to give birth to a small snail. Oncomelania hupensis lays eggs in batches and begins to breed in March-April every year. At the same time of producing young snails, the male and female parents mate and fertilize, and at the same time, the young snails to be produced in the next year are propagated in the mother. A female snail produces about 100 to 150 young snails a year.

artificial insemination

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. If you dig a special pond for feeding, choose a place with convenient water source and humus soil to build a pond (if the soil is not suitable, it is best to apply mixed compost to improve it first). Keep the thickness of sediment at 10cm ~ 15cm, with unlimited area. If it is an open water body, a small amount of 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 tails, branches or stones and grass can be arranged in the water for snails to live in seclusion.

10 snail enters tang qian, and quicklime is applied to the whole pond at a dosage of 50 kg ~ 100 kg per mu to remove wild fish, shrimp and other miscellaneous snails. After 3-4 days, organic fertilizer and breeding bait organisms are piled up in the water for snails to eat.

2. Stocking of seed 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, putting 0. 1 kg ~ 0.5 kg of seed snails into the natural extensive water body per square meter can increase the number of species by 2 ~ 3 times in the intensive culture pond. 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℃, it is fed 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.

Current management

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 roots in water in time. Usually in the form of micro-running water, keep the water level at about 30 cm. 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 to help snails overwinter.

Harvest and transportation

After a year of careful breeding, 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, they choose morning and evening in summer and autumn when the temperature is high. > & gt

Question 9: How much is snail farming per mu? Snail is a mollusk with rough texture and easy growth, which is suitable for ponds, rivers, ditches and paddy fields. Snails have the effect of clearing away heat and reducing fire, and are snacks in midsummer. The yield per mu can reach about 2000 kilograms, and the output value can reach 4000 yuan. The high-yield culture techniques of snails are introduced as follows:

I. Construction of snail pond

Choose a place with sufficient water, convenient management, running water and no pollution to build snail ponds. The width of the pool is about 1.5m, the length depends on the terrain, generally 10- 15m, and the depth is 30-50cm. It is best to build several spiral pools in rows and grades, and the water inlet and outlet are on the diagonal at both ends of the pool. Install an escape fence. A 20 cm high embankment was built between the two ponds for walking, and the bottom of the pond was covered with 10 cm thick silt. Aquatic plants such as Zizania latifolia, asparagus, water hyacinth and duckweed can be sparsely planted in the pond, which can not only shade, but also climb, provide bait for snails and improve the utilization rate of snail pond. A 60-80 cm high fence or mesh fence should be built around the snail pond.

Second, the snail into the pool and management

Generally, snails can be released from the end of March. Snails can be bought from the market or collected by themselves. There are 100- 120 snails per square meter, and 4 summer pomfrets can be raised in the pond. Before releasing the snails, apply a proper amount of manure in the pond to cultivate the bait organisms. After releasing the snails, feed the leftovers such as vegetable leaves, rice bran, bean cakes, vegetable cakes and animal offal. Feed the cake after it is soaked soft, and chop other feeds and mix well. The feeding amount is generally 1%-3% of the total weight of snails, and the feeding amount is adjusted according to the growth and feeding situation of snails. More feeding points should be set for feeding. Do not feed when the water temperature is lower than 15℃ or higher than 30℃.

Oncomelania diseases are few, and the daily management focuses on water management and preventing ducks, cats, snakes, rats and birds from entering the pond to prey on Oncomelania, and making regular inspections to prevent Oncomelania from escaping. Snails should be cultured in shallow water and flowing water, and the depth of pool water should be 25-30 cm, especially in breeding season and high temperature season. During hibernation, snails dive into caves, leaving only a small hole in the mud to breathe. In order to keep enough dissolved oxygen in the water, change the water 1 time every 3-4 days.

Third, mining and catching.

When the snail larvae grow above 10g, they can be caught in batches and put on the market. When harvesting, drain the water in the pond and go directly to the pond for collection. Pay attention to choose about 60% large snails as seed snails.