Frogs are natural enemies of pests in rice fields, and pests are natural food for frogs, forming a virtuous cycle of natural food chains. Clever use of the food chain nutrition relationship is the key to the efficient combination of Tian Tang.
(a) The setting of rice fields and ponds. It is generally advisable to choose a paddy field with a wide area, convenient transportation, adequate water sources and no pollution. The paddy fields were surrounded by a 1.8-meter-high dense net around the rice fields. And in the inlet and outlet, set up barbed wire to prevent frogs from fleeing, and at the same time, reinforce and increase the height of the field. In the middle of the paddy field, a small pond, one-fifth of the size of the paddy field, was dug up and enclosed in mesh. The pond area is generally 80-120 square meters. If the paddy field is too large, several small ponds can be set up. The actual water depth is 40 cm. A wood bridge is built from the shore to the shore of a small pond for feeding and daily management. There is a 0.5 cm diameter pipe above the small pond.
(b) èŒèšª stocking. First, clear ponds were cleaned with quicklime (15kg), water was injected after 7 days, and 150kg of fermented organic fertilizer was added to the pond. Five days later, the pond was plunged into the pond. When stocking, choose a non-injury, high-quality, robust, neatly scaled wintering quail. After disinfection, 5000 rations per 667 m2 of paddy fields are appropriate.
(3) Feeding and management of clams. (1) In water quality management, the ponds keep the micro-flowing water while ensuring that the water quality will not deteriorate under the effect of the remaining bait. (2) It is advisable to feed the bait on several occasions. Feed with buoyant powdered feed until metamorphosis. (3) Disease prevention and treatment, mainly prevention, diligent in inspections, timely treatment of diseases, and survival rate.
(d) Young frogs feed on domesticated animals. The young frog began feeding after metamorphosis, and a barbed wire was set in the center of the small pond with a smooth semi-circular wood bait. Live baits (such as small fish, quail, etc.) and buoyant particles were fed daily and fed. When water enters from the water pipe above the bait station, the buoyant pellet feed is braked. At the beginning, the proportion of live feeds was large, and then it gradually decreased until it was completely fed with artificial feed. At this time, domestication was successful. The bait must be fresh and add the bait at regular intervals. When kilograms have a fixed feeding habit, the seine around the small pond can be opened to allow the frog to enter the rice field.
(five) feeding and management. After entering the fields, the frogs must first maintain fresh water in the fields to prevent droughts and floods. The second is to prevent bird pests and snakes. Again, it is prevention of diseases. The incidence of frogs is mainly caused by traumatic infections that cause symptoms and infection. Therefore, we must focus on prevention, in a small pond regularly bag disinfection, in case of illness should be promptly separated, and increase the amount of drug for disinfection, while feeding baits. Fourthly, the quality, timing, and positioning of feeding should never be ambiguous, otherwise the effect of domesticated food will be degraded. Fifth, screening once a month, the large frogs are selected to be placed in the standby pool to increase the feeding intensity and be sold at a price. It is worth mentioning that the selected frog can not be used with hands, can not use the net pocket, can only use a soft cloth pocket to prevent infection and mechanical damage. Tests have shown that the survival rate of hand-held frogs is less than 50%.
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