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- Living habits. The snail is a gastropod mollusk and prefers to live in waters that are warm in winter, cool in summer, soft in sediment, rich in feed, and fresh in water. It is particularly fond of gathering in microfluidic areas. The snails are omnivorous, feeding on microorganisms and organic matter or young shoots and leaves of aquatic plants. Tian Luo Xi night activities, strong food intake at night.
- Site selection. The snail breeding farm should choose a place with sufficient water supply, good water quality, humus soil and convenient transportation. It is best to have running water. The size of the snail pool is generally 1.5-1.6 inches wide and 10-15 meters in length. It can also be based on the terrain. Two inlets and outlets are opened at the pool and a block is installed to prevent the snails from escaping. At the same time, in the middle of the aquaculture ponds, aquatic plants such as white plants are frequently planted. This will not only increase the land productivity, but also create a good ecological environment for the growth of snails.
- Stocking and Management
1. Spiral stocking density. Generally, 100-120 stocks are stocked per square meter. At the same time, the main cultivation is carried out around 5 tails per square meter. Spiral fishing time is generally in March.
2. Fertilizers. In the culture tank, some faeces are firstly administered to cultivate plankton to feed the snails. Fertilizer amount depending on the bottom of the screw pool fat and thin. After snails are placed in the pool, they are fed with green vegetables, rice bran, fish giblets or vegetable cakes, and bean cakes. Vegetables and fish viscera should be chopped and mixed with rice bran and other feed. Cakes, bean cakes, etc. should be soaked and softened to facilitate snail feeding. The feeding amount depends on the feeding condition of snails, which is generally calculated as 1%-3% of the total amount of snails, and is fed once every 2-3 days. Feeding time Every morning, the feeding position does not have to be fixed and the feed is placed separately. When the temperature is lower than 15°C or higher than 30°C, no bait is required.
3. Water quality regulation. First, the water must be injected into the pond frequently to regulate water quality, especially during the breeding season. It is best to keep the pool water flowing, especially in the hot season, and it is better to adopt stream water culture. In spring and autumn, it is better to use microfluidic culture. The water depth of the snail pool needs to be kept around 30 cm. The second is to adjust the pH of water. When the pH value of the pool water is low, 0.15-0.18 kg of lime is applied per square meter, and once every 10-15 days, the pH of the pool water is maintained at 7-8.
4. Snail overwintering management. When the water temperature dropped to 8-9 °C, snail began to hibernate, hibernation, snail shell top clay, leaving only a small circular hole in the soil, from time to time to breathe bubbles. Snail does not eat during the winter, but the breeding pond still needs to maintain a depth of 10-15 cm. The water is exchanged once every 3-4 days to maintain proper oxygen content.
5. Fishing listing. After years of careful breeding, snails can reach more than 10 grams. Fishing methods can be done in the pool. When fishing, individual large snails should be selected as the snails to prepare for the breeding of nymphs in the following year.
Snail is a traditional aquatic product in China. It is fresh and delicious, with unique flavor. It is rich in protein, fat and sulfur, calcium, iron and biotin. It is a nutritional food favored by consumers and used by farmers. Cultivation of snails on small water or paddy fields can achieve considerable economic benefits.