Snail Indoor Closed Breeding Technology
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First, indoor box feeding. This method can use empty rooms or attached parts of houses, such as balconies, corridors, aisles, basements, vegetable cellars, or building semi-basement breeding sheds, etc., as breeding grounds, setting up breeding boxes, and keeping snails in boxes. Breeding a snail with a terrarium is one of the most common farming methods. The terrarium can be made from scrap wood, old crates, non-toxic plastic plates, bamboo, wicker, etc. However, materials containing aromatic substances, tannins, and resin liquids, and abnormal smells, and materials that contain lead paint, asphalt, pesticides, chemical fertilizers, radioactive substances, etc. cannot be used. The size and material of the breeding box can be determined according to the feeding conditions. General terrarium specifications: Available 1-1.5 cm thick wood, do grow 60 cm, 40 cm wide, 35 cm high or 75 cm long, 45 cm wide, 35 cm high wooden box. Ready-made wooden boxes of different specifications can also be used, but the height of the wooden box is preferably not more than 35 cm. When an overly high snail falls from the top of the box or the wall of the box, it is easy to break the screw shell, and light affects the growth. death. The cover can be covered with plastic or wire screens, which can prevent snails from fleeing and make it easy to observe. It is advisable to keep the area of ​​the bottom of the rearing box no more than 1 square meter for easy movement and management. When the breeding specifications are large, the breeding boxes can be placed on shelves so that the space can be fully utilized to form a three-dimensional rearing. The diameter of the cover net of the snail cultivating box is generally 10-15 mm, and 100-150 snails to be laid eggs can be placed; the hole size of the larvae is 2-3 mm, and hatching young snails can be placed. 300-500 only. The size of the mesh openings of the breeding cages depends on the size of the snail eggs and should be based on the principle that the eggs are not leaked. There may be a few gaps in the wall of the terrarium (in the principle that snails cannot escape) or a screen door for activities to observe, feed and clean. The bottom of the box can be covered with a layer of small gravel or small pebbles for drainage, and a layer of 8-10 cm humus and sand mixed with sandy loam can also be placed on it. In order to make full use of the site, the terrarium can be placed on top of one another for three-dimensional breeding. For three-dimensional breeding, the level and height of the overlapping terrariums are easy to operate. For large-scale indoor breeding, 50-300 square meters can be designed as a production unit with steel or other materials on both sides of the shelf. The bottom of the shelf is a concrete slab or a brick table. Drainage ditch can be set up on the platform. The middle of the two shelves is the sidewalk, which is convenient for operation and management. Each shelf is 30-35 centimeters wide and 40 centimeters wide. The trough of each terrarium just protrudes 10 centimeters from the shelf. The shelves can be divided into 5 layers and 200 breeding boxes can be placed on each floor. In addition, three-dimensional terrariums can also be constructed. The height of each box is 8 cm, and the box is divided into two parts of different sizes; in the case of 20 cm, 17 cm and 8 cm in size, young snails can be cultured. In the 25 cm 25 cm 8 cm box can be cultivated species, snails. Second, the grid pool feeding. Fanggechi rearing can make full use of house feet and house side, occupying a small area, high ground utilization rate, easy to build pool materials, easy management, and better rearing effect. The size and shape of the rearing pond can be selected and constructed according to local conditions, but squares and rectangles are generally used. Such as the pool length 1.5-2.0 meters, width 0.8-1.0 meters, 0.4-0.5 meters deep, etc., can also be arranged one by one row by row spacing of about 0.5 meters. When constructing a rearing pond, care should be taken to select a place where the bottom of the pool is not seepage or where the rise of the pool is not too large. If the groundwater level is high, do not dig the bottom of the pool and use bricks or stones to directly ground on the ground; if it is a high-level and dry place, dig down to a depth of 30-50 cm to help maintain the pool Temperature and humidity. In order to prevent escape of snails and intrusion of natural enemies, air-breathing covers must be added to the breeding ponds, such as iron gauze nets, plastic nets or bamboo, grass and reed braided covers. (c) Multi-layer feeders. The construction of a multi-layer feeding platform is generally built against the wall in the room. Each floor is 40-50 cm high (construction is too high, the snail falls from the top and is easily injured), bricks and stone bases can be used on both sides, and the bench lining can be made into 2-2.5 cm thick cement prefabricated panels. On the front of each feeder unit, one active screen door (plastic window screen or iron screen) can be installed for easy observation and management. This method is suitable for family and collective large-scale farming. It adopts this method to raise snails and produces about 50 kilograms of snails per square meter. The construction of a multi-layer feeding platform can be constructed according to local conditions. The breeding site cannot be directly exposed to sunlight. If a terrarium (table) is placed or constructed on a balcony, roof, or other place, shading equipment should be added to prevent sun exposure and care should be taken not to over-wet or dry the inside of the box. The construction of the raising platform can also be made by overlapping wooden boxes, forming a feeding platform, and opening the door on the side of the box. This can save the wooden frame or iron frame. In addition, this table-feeding method is also suitable for the cultivation of seedlings, and can also be used in places with outdoor shading conditions.