The fly larvae are the larvae of flies. Their dry bodies contain 62% protein, 13.4% fat, 15% sugar, and 6.6% ash. The artificial fly maggots need to raise the seed fly firstly. The fly can be fed with iron and wood as the frame and put on the fly cage made from the dense-eye polyethylene fishing net cloth. The volume is generally 50 cubic decimeters. The front of the fly cage needs a hole for operation. The hole is covered with a cloth cover to prevent flies from fleeing. There were 7000 to 8,000 fly larvae per cage and the feed and water were started after about 5% emergence. It is generally prepared by pulping the animal viscera pulp and milk powder plus 5% brown sugar water. Feeding 1 mg/day each time, 5 days to 6 days after breeding, the flies began to lay eggs. The eggs were removed and placed on fly larvae to raise the fly maggots. The fly larvae use fermented mold as foodstuff, and wheat bran is a good material for fermenting mold culture. Add water and mix well, keep the temperature at 70%-80% and put it into the culture dish, and then bury the eggs in the culture medium. Let it hatch. A 70 cm 40 cm 10 cm plate can contain 3.5 kg of wheat bran and 20,000 eggs, and can be harvested after 4 to 5 days of culture. When harvesting, use bright light, chasing it to the bottom of the pan, and then wipe the medium to remove the fly maggots. In order to maintain the continuity of maggot rearing, species should be selected for conservation at this time, until they are degenerated, and the breeding flies are raised.
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