1, lifestyle
White jade snails, like other snails, like to live in a dark, humid, loose and humus-rich environment. They are afraid of light, heat and direct sunlight. Very sensitive to the environment, when the humidity and temperature are not suitable, the snail will retract its body into the shell, secrete mucus to form a protective film and seal the shell mouth to overcome the interference of bad environment. When the environment is suitable, it will automatically dissolve the protective film and start activities again. Therefore, we should pay attention to the influence of temperature and humidity in the process of breeding. Suitable temperature 16℃~30℃, humidity 60%~85%, soil humidity about 40%, pH 5~7. When the temperature is lower than 15℃ and higher than 35℃, it sleeps and stops growing and reproducing.
2. Eating habits
All kinds of green plants and bran can be used as food for white jade snails. Generally, broadleaf plants such as Chinese cabbage, green vegetables and lettuce are fed in spring; In summer, you can feed a lot of sugar cane, sunflower leaves, all kinds of fruits and skins, etc. In autumn, the temperature is low and the food intake is reduced. You can feed some leaves and potato chips. White jade snails do not eat grass and weeds, and refuse to eat pungent onions, leeks and garlic.
3. Reproduction
White jade snails are hermaphroditic and cross. Artificial farming can breed all year round as long as the temperature and humidity are suitable. It usually takes 6 months from hatching to sexual maturity, and eggs can be laid in caves within 15~20 days after mating and fertilization. Eggs are the size of mung beans and covered with a shiny white film. Every time 100~200 eggs are laid, young snails can hatch in 8~ 15 days, and the life span is generally 5~6 years.
Breeding and culture techniques of scattered snails
Oncomelania hupensis has a large number of eggs, high reproduction rate and short production cycle, and its origin is western France and Algeria. Snail is a rare species of edible snail and is listed as one of the four famous cattle in the world. The main producers are French and British, and China is the third largest producer of snails. The loose snail is the second kind of edible snail domesticated in China. It was introduced for the first time in 1960s, and 1987 was introduced again. It has been domesticated in the north and south of China for more than ten years, and it is an edible snail suitable for the climate development in the north temperate zone of China. At present, the cultured snails are all over the provinces north of the Yangtze River in China. Practice has proved that it is a rare edible snail species most suitable for family farming.
1, breeding environment, breeding room should be dark and humid. Snails like darkness, not because they don't need sunlight, but because they avoid direct glare. Such as: buildings, bungalows, basements, air-raid shelters, etc. Can be cultivated. Each group covers an area of 1 m2.
2. Customized feeding boxes From the feeding practice of snail farmers all over the country, it is proved that there are about 65,438+000 snails in a feeding box with a volume of 40 * 50 * 65,438+00 cm, and there are only two such wooden boxes for a group of snails (200 snails), which can also be customized according to the actual situation (preferably poplar, willow and birch wooden boxes without peculiar smell). It can also be replaced by plastic pots, brick pools, etc.
3. It is better to raise snails in fine river sand for raising soil. Young cattle can be added with loose and moist garden soil rich in humus plants, but they must not contain eggs and be contaminated by harmful substances such as chemical fertilizers and pesticides.
4. The temperature can be controlled above 65438 02℃ for mating and spawning. 15℃ ~ 25℃ is the most suitable temperature for breeding. The temperature is MINUS 5 degrees and higher than 32 degrees, and it enters a dormant state. Therefore, we should do everything possible to ensure that the indoor temperature is above 15 degrees, so as to lay more eggs and improve economic benefits. Under suitable conditions, loose snails can breed 3 ~ 5 times a year, and each breed of cattle can produce more than 4 kilograms of commercial cattle a year.
5. Ensuring humidity is the core of management. The indoor air humidity should be controlled within 70% ~ 85%, and the cultivated soil will agglomerate and disperse when touched (this is a sign of 30% ~ 40% humidity). The soil moisture of breeding cattle is 30%. 35% ~ 40% commercial cattle are the best. The thickness is generally 800 meters.
6, feeding excellent feed is a success to ensure that snails are omnivores, green feed: such as cabbage, lettuce, sunflower leaves, melon leaves, bean leaves, tomatoes, eggplant, etc.; Juicy feed: such as various melon skins, fruit tubers, cucumbers, potatoes, carrots, etc. Add some concentrate. Snails eat a wide range of food, but they eat very little. A group of snails only eat two Chinese cabbage leaves a day. In Niu Yi, snails are fed once every two days and commodities are fed once a day. It is best to put in the feed at dusk.
7. Breeding of Snails Snails are hermaphroditic lower mollusks. In the case of sexual maturity of breeding cattle, after cross-mating, eggs are laid regardless of sex. After mating, it takes about 10 days to drill holes and lay eggs, and 1 ~ 2 days to lay eggs. Collect egg balls and put them in a pot filled with half a bottle of wet sand for natural incubation 12 ~ 15 days.
8. Management of commercial snails
In the process of feeding snails, it is the key to success to manage young cattle and long cattle. ① Keep the feeding box clean and hygienic. (2) Keep a reasonable density to prevent crowding, with 2,000 ~ 3,000 pieces per square meter, and timely pack them with the growth of snail situation. (3) Control the temperature and humidity. Generally, the temperature should be controlled between12℃ and 30℃, and the water content of the feeding soil should be 40%. ④ Pay attention to ventilation.