The fodder used for feed is mostly a child of the Ace family. This kind of cockroach has strong cold resistance. As long as it is not a long-term frozen place, such as proper management, winter, production is not more difficult than summer, should take winter measures according to the specific situation of each place. (i) Preserving the winters before the arrival of severe winters. The larger ones are extracted and used for processing. Some of the craters left as seedlings are combined into one pit and a layer of semi-fermented feed or new material is added. With the accumulation of aged materials, adjusting the temperature, thickening the cover, and digging the drainage ditch, it can be allowed to naturally spend the winter, and when the weather turns warm in spring, it will be dismantled. (b) Keeping the temperature of the thermal insulation outside the winter, use the heat energy of the feed fermentation, the ground temperature of the ground and the solar energy to increase the temperature of the trampoline. Pit depth is generally about 1 meter, 1.5 meters wide and 5 meters long. The conditions for digging pits are the same as the requirements for aquaculture. After the pit is finished, first put a layer of 10 cm thick hay on the bottom of the pit, and add 30 cm thick livestock and poultry mixed manure to the grass. The manure must be crushed and loose. If there is a condition, some lees can be added to the dung. , about 50% water content. Add 10 cm thick hay to the manure, lay two straw bags or sacks on the hay, and throw 30 cm of culture material containing earthworm excrement. Put a layer of straw on the material and add 10.5 cm thick fermented baking material to the grass. Cover the cover again and cover the plastic film. The film was opened at noon on sunny days and the sun was allowed to warm the bed. This kind of hot bed temperature can be guaranteed above 20 °C. One month later, the original half-fermented material has been eaten by more than half, and a layer of semi-fermented material is added to the upper layer. After half of the feeding, another layer is added. When the density is too high, it should be taken or separated in time. Insulation is good, and in the winter, two generations of cockroaches can be produced. The growth rate of cockroaches is slightly higher than in summer. (3) Low-temperature production Cut off all the shades around the trampoline so that the sun can reach the trampoline from morning till night; the bed material left over from the fall is no longer thinned, so that the bed thickness can be increased gradually to increase the bed thickness before feeding. The material shovel is one in the center to form a long conical shape, and the unfermented raw materials are added on both sides, and the water is slowly added to the fermenter by successively adding water. A week later, he settled on the soil of the old bed of the central government. He began to feed on the new material and he tied it. New materials and other materials are taken to the thinnest level, so that solar energy can be deposited on the material bed and covered at 4 o'clock in the afternoon. The cover requires the lower layer to be 10 cm thick loose straw or weeds, which is pressed with a straw or straw bag and covered with a film. When sprinkling water, the sprayer was sprayed directly onto the material bed at noon on sunny days, keeping the covered straw dry. When picking up, you should take the outdoor bed on a sunny day and take the indoor bed on a rainy day. Although the winter cricket grows slowly, it will not affect the amount of winter pupa because of the large number of reserve crickets. China Agricultural Network Editor
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