Farmed earthworms can start from the egg sheath, but also from the nymph or adult stage, but the egg sheath is more appropriate. There are about 16,000 ovary sheaths. About 160,000 nymphs can be hatched, of which males account for 25% and females account for 75%. When properly reared, 50-175 kilograms of fresh insects can be produced after 3 years, 17.5-125 kilograms of dried products (not counted by males), and 7.5-115 kilograms of egg sheaths. The artificial breeding of soil worms is simple in equipment, high in reproduction rate, low in investment, quick in effect, obvious in economic benefits, and has a promising breeding prospect. Breeding facilities
According to their own conditions, in the indoor or greenhouse can be built ponds, rearing pond size, depending on the amount of breeding, breeding ponds with bricks to establish body rack type, surrounded by 4.5 cm plastic strips sealed pool The bottom is treated with cement to prevent flight. Earthworms can also be raised in plastic boxes or plastic pots. The pots and boxes are erected layer by layer to perform three-dimensional culture, which can make full use of the indoor space and increase the output.
Habits
Earthworm insects are omnivorous insects. They like to live in dark, moist, humus-rich and fertile soils. Most of them come out at night for feeding, feeding and mating, and are afraid of direct sunlight.
Temperature and humidity requirements
Artificially cultivated earthworms must be cultured at a constant temperature. The suitable temperature is 17°C-38°C, and the optimum temperature is between 23°C and 32°C. At this temperature, earthworms can lay eggs spawning at four seasons and grow scientifically and reasonably. It takes 7-8 months from larvae to adults, and the shortest period is 6 months. A breeding room can produce two batches of adults per year. The soil of the soil borer is suitable for soil without fertilizer and pesticide, loose and fertile soil. The soil moisture is generally between 20% and 25%. It is advisable to use handcuffs to form pellets and let loose. The earthworm has wide adaptability, strong disease resistance, and is not easy to get sick. However, if the pool soil is too dry, it may cause difficulty in molting. Therefore, spraying water with a sprayer may also affect the normal growth of the earthworm, causing big belly disease.
Feeding technology
Whether the rearing equipment is a pond or a tank, loose and fertile feed soil must be laid on the bottom, with a thickness of 5-15 cm. The thickness of the rearing soil is determined by the size of the larvae. The smaller the worm age is, the thinner the soil layer is. The moisture content of the broiler soil is kept at about 20%, and the relative temperature is maintained at about 70%. The earthworm worms live at night and feed for food, and they have strong hunger. Wheat bran, rice bran, vegetable leaves, fruit skin, plant leaves, and grain and oil waste are all good foods. Wheat bran is the main ingredient. can. The feed needs to be mixed with water and mix well and spread into the surface layer of feeding soil. Feeding once a day at night, the amount of feed is appropriate on the next day, and the daily amount of food per hectare is 3-5 kg.
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