1. Why does a district in Jinan raise 300 million cockroaches?Hidden in a field in the southwest of Zhangqiu District, Jinan City, there is a square building covering an area of 90 acres. In the building, there is a group of special residents - 300 million cockroaches of the American cockroach species. This is the Zhangqiu City Food Waste Treatment Center. 300 million cockroaches can eat 15 tons of food waste every day, creating a new model for domestic waste treatment. On July 18, reporters saw at the Zhangqiu Food Waste Treatment Center that the piles of food waste in the warehouse were first transported to the conveyor belt by the staff's homemade pulping machine. After being crushed and beaten into pulp, they were transported to the large cockroach breeding room next door along the conveyor pipe. The breeding room is a fully enclosed environment. Through the glass, you can see densely packed cockroaches eating the crushed food waste. Li Yanrong, chairman of Shandong Qiaobin Agricultural Technology Co., Ltd., introduced that 300 tons and 300 million cockroaches were raised in this breeding room. The cockroach species is American cockroaches, which are large, eat a lot, and have strong processing capabilities. They can "eat" 15 tons of food waste every day. And each farmed cockroach will continue to produce egg cases during its 11-month life cycle. At the same time, cockroaches naturally age and die, and these will be transported to the drying room for drying, crushing, and finally made into cockroach powder as insect protein feed for chickens, pigs, etc. "Compared with the air and water pollution that may be caused by the original landfill treatment, cockroaches eat this kind of biological organic treatment, which follows the basic law of the food chain and enters the circulation system. It can be said that there is zero pollution and the real meaning of turning waste into treasure. This is a great innovation and breakthrough in the field of environmental protection, food safety, and the breeding industry." Li Yanrong said. He introduced that in addition to social benefits, this model also has great economic benefits. Insect protein is called "soft gold" in the breeding industry. On average, 1 ton of insect protein feed can be obtained for every 15 tons of food waste, and the current market price of this feed is 12,000 to 15,000 yuan per ton. It is understood that Zhangqiu is currently building a new breeding base with an annual output of 4,000 tons of insect protein feed. After it is put into use, it can process 200 tons of food waste per day. Before the classification of domestic waste in Jinan, it can "eat" all the food waste in Zhangqiu District, Licheng District, and High-tech Zone of Jinan City.2. Is it legal to breed cockroaches?legitimate. Cockroaches are raised to eat garbage. It is reported that 300 million cockroaches can eat 15 tons of food waste every day, creating a new model for domestic garbage disposal. The piles of food waste in the warehouse are first transported to the conveyor belt by the staff's homemade pulping machine, crushed and beaten into pulp, and then transported along the conveying pipeline to the large cockroach breeding room next door. The breeding room is a fully enclosed environment, and through the glass, you can see densely packed cockroaches eating the crushed food waste. 3. What do you think of the cockroach breeding project?It can have medicinal value. It can also clean up kitchen waste, so the benefits are considerable. 1. What are the cockroach breeding techniques? 1. Clay pot breeding method: Choose a clay pot of appropriate size depending on the number of cockroaches to be raised, and place old newspaper rolls or kraft paper rolls in the pot for the cockroaches to live in. Cover the mouth of the pot with a wooden board, preferably a wire mesh. Put drinking water and feed in a fixed position so that the cockroaches can form a conditioned reflex and regularly go to the fixed position to eat. It is best to use a porcelain basin to put the feed in the pot, so that the leftover food will not fall to the bottom of the pot, reducing the difficulty of cleaning. 2. Greenhouse breeding method: Use black plastic cloth to build a greenhouse, and leave screens at both ends for ventilation. In winter, you can use double-layer plastic film for insulation or heating with fire or electric heating. Leave a walkway in the center of the greenhouse. Put a feed trough and a water trough. To prevent cockroaches from falling into the water and drowning, you can put a sponge in the trough. Put some soft materials with gaps or foam boards for packaging eggs on both sides of the greenhouse, or you can put wooden breeding boxes. This method is suitable for large-scale breeding, with low investment and low cost, but it is not easy to catch adults. 3. Wooden box breeding method ① Breeding conditions: The specifications of the breeding box are 70 cm long, 50 cm wide, and 60 cm high, and the cover panel of the box is movable for operation. A small window of 20 cm long and 15 cm wide is built at the front and back, and sealed with iron mesh nails for easy observation and air circulation. There is no bottom plate under the breeding box, which is convenient for cleaning and hygiene. The breeding box is placed in a house with a relatively flat ground. Inside the box, a square wooden strip is nailed on the front and back sides 10 cm away from the box mouth to place a wooden frame. The wooden frame is "U" shaped, and its specifications are made according to the width of the breeding box. The two sides of the frame can be placed on the two wooden strips at the front and back of the box. The wooden frame is covered with paper, and then the wooden frames are stacked one by one in the breeding box to become a residence for cockroaches. ② Feeding and management: Select healthy cockroaches as breeding insects, place them in a breeding box, put in a small amount of feed, and initially feed them with green, juicy, nutritious fruit peels, bread, steamed buns, and rice. Provide sufficient clean drinking water, and feed once every 3 days. It is better to put the feed on the top of the wooden frame in the box, or on the floor at the bottom of the box, while drinking water can only be placed on the floor at the bottom of the box. Cleaning and sanitation work should be done once every 3 days. First, gently move the feed box, clean it, and move it back to its original position, then add feed and change water. Cockroaches lay eggs mostly on the wooden frame paper, and the larvae will hatch after more than a month of incubation. 4. Join Li Yanrong’s cockroach factory?Li Yanrong's cockroach factory is not open to franchisees. Li Yanrong's "cockroach factory" processes kitchen waste, which is the most basic function of Li Yanrong's cockroach breeding. Kitchen waste is very difficult to handle. It cannot be burned and is very easy to pollute the land and groundwater when landfilled. Therefore, the Zhangqiu Sanitation Center is very happy that Li Yanrong's cockroaches can solve this problem. They collect and transport raw materials for Li Yanrong for free. In 2016, the Zhangqiu District Food Waste Treatment Center in Jinan was established. The center quickly got on track, and each breeding and production link was automated, and cockroaches reproduced faster and faster. By mid-2018, this cockroach factory could eat fifty tons of kitchen waste every day. So far, Li Yanrong's cockroach factory has achieved great success. 5. Cockroach breeding technology and site construction?1. Breeding environment 1. The farm should be far away from the factory and in a pollution-free place, and the water should be clean and non-toxic. 2. The water depth must be 0.5-1 meter, and it cannot be directly exposed to the sun. There must be aquatic plants in the water and anti-fly nets must be installed on the water surface. 2. Site Construction 1. You can choose fish ponds, pools or water tanks, but make sure they are pollution-free. 2. The pool can be made of bricks with an area of about 5 square meters. The water depth is controlled at 0.5-1 meter, and 200-300 fish can be raised per square meter. 3. Seedling selection 1. You can purchase seedlings from seed supply departments with guarantees and technical guidance. 2. You can also catch water cockroach larvae in the wild during spring and summer. Insect breeding. 4. Breeding management 1. Bait (1) Water cockroaches are mainly carnivorous, but they also eat plants. Their feed mainly consists of corn flour, rice bran, and sweet fruits. (2) They can also be fed crushed snails, dead fish and shrimp, and livestock waste. 2. Feeding: Feed once a day in the evening, the feeding amount is 7-8% of body weight, and the quality and freshness of the food must be guaranteed. 3. Management (1) The breeding cycle of water cockroaches is 8 months. They are mainly fed with meat in the first 3 months and mixed feed in the last 5 months. (2) Water cockroaches do not have high requirements for water quality, but if the water is too turbid, the water needs to be changed in time. |
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