The snails are mollusks that are crude and easy to grow and are suitable for growing in ponds, rivers, ravines and paddy fields. The snail has the effect of clearing heat and reducing heat, and it is the delicious food for people in the mid-summer. The mu yield can reach 2000 kilograms, and the output value can reach 4,000 yuan. Now the high-yielding snail breeding technology is introduced as follows: First, select the venue. The snails have strong vitality and disease resistance. Ditches, paddy fields, and shallow water ponds with live water can be stocked. The ponds are generally farmed and the pond size is generally 2-3 meters wide and 10-15 meters long.埂 0.7 0.7 0.7 meters high, and safety net around the fence to prevent snail escape. The bottom of the pool is covered with 20 centimeters of thick mud, and new water is injected. The water surface is used to store water lettuce, small gourds, and red and green arbores. Snails feed on the snails and insert small bamboo sticks or wood strips in the pond for snails to inhabit and spawn. Second, put seedlings. Select snails or snails and put them into the pond. After the pool is built, it is generally recommended to invest in seedlings during the April-November period. Every year from June to September, it is a large number of spawning seasons of snails. They can be picked up in rice fields and river ditch, or purchased on the market. The characteristics of female snails are: light brown color, thin shell, round body and blunt tail. 15-20 g of female snails were selected from the pool and 10 female snails per square meter were generally available. Choose larvae for seedlings. According to the male and female ratio of 2:1. Female snails are larger in size, with a more rounded body and a concave oyster shell. The male snails are slightly smaller, the snails are longer and the clam shells are raised. After about one year of breeding, the snails can be caught and listed. Third, feeding and management. The snail's bait is rich in microorganisms, organic matter in the water, young stems and leaves of aquatic plants and so on. During the peak season of juvenile snails, rice bran, wheat bran, bean curd residue, cooked sweet potato, small insects, small fish and shrimp, and animal viscera are added between April and November every year. You can also feed formula feed. Feeding time is 8-9 once a day, and bulky bait should be chopped and fed. The daily feeding amount is about 1.5% of the screw body. To replace new water regularly, keep the water fresh, change the water about 10 days. When the water temperature is above 30°C, it is necessary to inject fresh water frequently to deepen the water level. Normally, the water depth should be kept at 30 cm. In winter, the water level is lowered during the day to increase light. Deepen the water level at night. In order to keep warm, combined with some pig manure and manure, to increase the temperature and fertilize water quality. Field snails are more sensitive to pesticides and industrial wastewater. Care should be taken to avoid duck damage. Fourth, fishing listed. After one year of breeding, the weight of more than 15 grams can be caught and listed. The fishing method can be selected from dry pool fishing and shallow water fishing. At the same time, attention should be paid to leaving some females to prepare for the next year. Fifth, winter management. When the water temperature dropped to 8-9°C, snails began to hibernate. When hibernating, the snails drilled into the hole and left a small hole on the surface of the soil and used bubbles from time to time. Do not eat or move at this time. The water depth should be kept between 10-15 cm, and the water should be changed once every 4-5 days to increase the oxygen content so that the snail can safely pass winter.
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