1, selective farming: Snails have low requirements for farms, and many ditches, paddy fields and ponds in rural areas can be farmed.

2. Collection of seed snails: We must choose fresh snails with light brown color, thin shell and blunt tail as seed snails.

3. Stocking breeding: The optimum growth temperature of snails is 20-25℃, when it is lower than 15℃ or higher than 30℃, it stops feeding and hibernates when it is lower than 10℃.

4. Feeding: Rice bran, vegetable leftovers, melon leaves, animal carcasses and commercial feed can all be fed.

First, how to breed snails?

1, point selection breeding

(1) Oncomelania hupensis has very strong stress resistance, few diseases, high reproduction rate, and not strict requirements for breeding sites. Many ditches, paddy fields and ponds in rural areas can be stocked.

(2) If you choose to cultivate in an open pond, you can raise some duckweeds, water duckweeds and water hyacinths on the surface of the water for shade, and insert bamboo poles and wooden strips in the pond for snails to inhabit.

(3) In this way, water green manure can be collected as feed, and snails can be raised to increase income.

2. Snail seed collection

(1) Oncomelania generally reproduces naturally. Artificial culture can be picked up from paddy fields, water bamboo fields and muddy ditches or bought in the market, and then fresh snails with light brown color, thin shell and dull body are selected as seed snails.

(2) Can snails with average body weight 1.5-25g reach sexual maturity at the temperature of 1.5? C or above can breed, the female snail is big and round, and the male snail is small and sharp.

3. Stocking and breeding

(1) The optimum growth temperature of snails is 20-25? C, what if it is lower than 15? C or over 30? C snails will stop eating. 10? Below c, you will hibernate underground.

(2) Stocking can be carried to the south of the Yangtze River in March-165438+ 10. If stocked in natural areas, you can put 1 1 snail (3 males and 8 females) per square meter.

(3) If single culture is carried out in the digging pond, snails 100-500 can be put in every square meter, and the water depth is 0.8- 1 m. The bottom of the pond should be reserved with 1 layer of silt above 10cm, which is convenient for snails to crawl, feed and inhabit, and male and female snails can naturally reproduce when they are stocked.

Step 4 feed

Snail (1) is an omnivore, which can be fed with rice bran, vegetable leftovers, melon leaves, animal carcasses and commercial feed. Generally, aquatic plants, soil humus, vegetables and melon skin are the staple foods.

(2) If fish snails are mixed in fertile paddy fields or duckweed, duckweed, water hyacinth and other depressions are raised on the water surface, the feed can be reduced or not.

5. Reproductive management

(1) Oncomelania is a viviparous animal. In the south, April-May and September-1 1 are the breeding seasons every year. Generally, female snails give birth in batches, and each snail can give birth to 20-30 small snails at a time. It takes about 14- 16 months for female Oncomelania snails to reproduce again after delivery.

(2) The weight of newborn snails is 0.5- 1.5g, which can reach more than 3-5g after 6 months and about 9g after 9 months.

6, fishing harvest

(1) Snails must be selectively caught into snails, and more females can be harvested in batches.

(2) The water temperature is relatively high in midsummer and early autumn. At noon, snails usually hide in the soil and grass. Be sure to answer it sooner or later, or you can drain it.

(3) For every female snail 100, the annual output can reach 100 kg.

Second, what do snails eat?

1. Snails mainly feed on plants, including duckweed, aquatic plants, algae, rice bran and bean cakes.

2. In artificial breeding, artificial feed must be given priority to, supplemented by natural feed, and feed cannot be easily changed.

3. Because snails are selective to feed, once the feed is changed, it will easily lead to a short-term hunger strike and even lead to snails killing each other.