Aphid is a very valuable food and drug amphibians and reptiles. It is a valuable Chinese herbal medicine. With the scarcity of wild resources, artificial breeding is imperative. Using paddy fields to cultivate oysters with complementary advantages can form a good cycle of the natural food chain. The relevant technical points are briefly described below. Tianchi set to choose more quiet, drainage and irrigation convenient field. Paddy fields are surrounded by 0.8 m high nylon nets around the paddy fields. The width of the cofferdams is 1.5 meters wide, which facilitates the movement of the fishes. The nets are installed at the inlet and outlet to prevent the cockroaches from fleeing. In the paddy field, only a small pond is dug on the side of the earthworms and used for the breeding of small clams. The area of ​​the pond is not less than 1/6 of the total area. If the cultivated paddy fields are too large, several small ponds can be set up, the water depth of the pond is 40 cm, and a water injection pipe with a diameter of 1 cm is set up over the pond. A water outlet is set at any side of the raft and is surrounded by polypropylene mesh. The mesh is preferably 60/cm2. For the stocking, first use dry lime 15 kg to dry clear ponds in small ponds, fill water after 7 days, add 100 kg of fermented organic fertilizers in ponds, and dip into ponds after 5 days. When breeding, choose non-injury, robust, and neatly-sized pods. After being disinfected with 1.5% salt water, the rice fields per mu are radiated from 6,000 to 8,000, and the temperature at the time of dropping is not less than 20%. Dianchi Lake manages small ponds to ensure micro-flowing water while maintaining water quality without deterioration under the influence of the remaining bait. It is advisable to use small amounts of small amounts of quail when feeding, and feed them with buoyant powdered feed until they become metamorphic. After the juvenile metamorphosis was completed, a round bait station with a steel wire mesh at the bottom was set up in the center of Xiaotang. Live baits (flies, maggots, etc.) and buoyant particles were cast daily, and water was added from the water injection pipe at the time of feeding. Floating granules are used for feeding and raising domesticated calves. At the beginning, live baits accounted for a large proportion, and then gradually decreased. After the juvenile has a fixed feeding habit, the nets of the small ponds can be opened and the young cubs can be freely grazing in the rice fields. Field management After entering the rice field, the young larvae kept the field fresh and refreshed. During the hot summer season, the field should often irrigate “running water†to regulate water temperature and water quality. In addition, if there is a disease in rice, spraying pesticides should be sunny, the nozzles should be upward, and the fog should be fine, so as to avoid drug sinking. Once the field has been over-concentrated, adjust the water immediately. In general, pesticides do not need to be applied because they have the ability to catch pests. The cubs should prevent their natural enemies, such as snakes and eagles, from invading the field.èŸ¾èœ General conditions will not cause disease, but mechanical scratches should be noted to cause traumatic infection. Therefore, special attention should be paid when arresting. Only cloth pockets can be used for arrest. Two months after the pups were put into the paddy fields, they were screened once a month for catching large animals, and then set up in a dedicated culture pond for catching, pudding, or sale.
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