田螺的高产养殖技术（High yield cultivation technology of the snail）.doc

田螺的高产养殖技术（High yield cultivation technology of the snail） High yield cultivation technology of the snail The snail is soft animal, rough Yi long, suitable for pond, river, river bank and the growth of paddy field. The snail has a fever The efficacy of summer snack food, mu yield of about 2000 kilograms, Output value reached 4000 yuan. We will introduce high snail breeding technology are as follows: First, choose the venue. Snail vitality and strong disease resistance, living water ditch, paddy field, shallow ponds can be stocked with a Take a pond snail breeding pool specification wide 2 - 3 meters long 10 - 15 meters, the pool around the ridge, ridge high 0.7 Meters, and safety nets around, prevent snail flight. The bottom of the pool is covered with 20 cm thick fat mud and injected with new water Lily, small gourd, red duckweed etc.. For snail feeding, and plug in the pool of small bamboo or wood, for roosting and nesting. Two, throwing seedlings. Select stud or snail and drop into the pool. After the establishment of the pool, the general choice in 4~11 months to vote seedlings breeding. The annual 6~9 month is a snail spawning season to paddy fields and rivers to pick up, or to the market to buy, the female. It is characterized by light brown color, thin shell, relatively round body and blunt tail. Pick out 15~20 grams of female snails into the pool, and generally put 10 female snails per square meter. Choose young snail as seed and seedling. Then male and female 2: 1 of the proportion of delivery. Female screw Larger, more rounded body screw, flat shell concave operculum; male screw individual small screw body is longer, operculum shell bulge. Young snails are kept for about a year They can be fished and listed. Three, feeding management. Snail rich food, which are water microorganisms, organic matter, aquatic plants such as young stems and leaves The main food. The snails growth season, between 4~11 months each year to feed rice bran, oatmeal, tofu, cooked swe