The American frog, also known as the pig frog, got its name because it issued a pig-like buzz. It was a new large-scale meat frog species introduced in China in the 1980s and belongs to amphibians. Compared with bullfrog (also known as Cuban bullfrog), it is easier to acclimate it to eat dead baits. It has wide adaptability, rapid growth, large individuals, well-developed limbs, smooth skin, gentle temperament, creeping walk, poor jumping, no hole escape, and resistance. Strong disease, easy to raise; frog meat is delicious, tender meat, rich nutrition. Putian is a natural habitat for frogs and fish, and it has many insect pests in the field. It is rich in aquatic life and suitable for frogs and fish. The three-dimensional ecological breeding of frog-frog-fish has the advantage of not occupying arable land, little water consumption, and good efficiency. Putian frogs can not only save pesticides for Putian pest control, but also save fish by using frog feces and fish. Fish manure is also a high-quality organic fertilizer in Putian, and the product is a pollution-free green food. In order to achieve the three harvests of maggots, frogs and fish, it is a good project of three-dimensional ecological agriculture with low investment, quick results and good benefits. The technique is as follows.
First, Putian choice: Putian water should be sufficient, non-polluting, convenient drainage and irrigation, water retention is good, the area is not arbitrary.
Second, the construction of Putian: Tiankan is compacted and trimmed to have a slope so that frogs can climb up to the fields to inhabit. A protective trench of 60cm in depth and 1m to 1.5m in width is dug around in Putian to provide shelter and feeding sites for frogs and fish during temporary water shortages.
3. Facilities in Putian: Putian plastic fences, bamboo rafts, barbed wire, asbestos tiles, clay and bricks can be used to build a 1m high escape wall. Such as plastic mesh, bamboo row, barbed wire, asbestos, buried 10 to 15 cm underground. Intake and drain outlets are covered with gauze to prevent fish and fish from fleeing.
Fourth, Putian disinfection: Putian water depth of 10 cm, per 667 square meters with quicklime 50 kg ~ 100 kg of water Quanchiposa. The next day, the iron was used again to fully dissolve the quicklime. After 1 week, change the water and cast the frog to put the fry. Can also be used bleaching powder disinfection, per cubic meter of water body with 7 grams of bleaching water Quanchiposa, 5 days after the change of water to vote frog put fry.
V. Seedlings to be planted: In the second half of the planting period, 2,000 to 3,000 young frogs of 40 to 50 grams of stocking size per 667 square meters will be stocked. Then set up a small amount of grass, cockroaches, clams, and squid in a conventional manner.
Six, feeding and management:
(1) The optimum water temperature for young frog growth is 20-25°C. Feeding a small amount of food such as small fish, shrimp, and larvae into small pieces of pig lung, bovine lung, etc., or waste animal feed or floating compound feed, timing, positioning Quantitatively sprinkled on the surface of the protection ditch or on the food dish. Each meal was fed within 1 hour. Quantitative feeding: young frogs are 5% to 10% of the total weight, and frogs are 10% to 15%. Days are fed 1 to 2 times (9 to 10 am, 4 to 5 pm), and the amount of feed in the afternoon accounts for 60% to 70% of the total amount of bait. The food dish can be nailed into wooden frames by wooden boards or can be fixed on bamboo frames by screens as feeding baits on the water surface. For example, if only 1,000 frogs are placed per 667 square meters, the feed basically does not need to be invested. The insects and aquatic organisms in the field can meet the feeding needs of frogs and fish. It is also possible to attract frogs by attracting black light in Putian.
(2) The water depth is 15 to 35 cm.
(3) Disease prevention: Keep the water clean, change the water every 7-10 days, change the water every time by 1/3 or 1/2. Clean and dry food dishes frequently. Each cubic meter of water body is bleached and disinfected with 1 g of bleaching powder or 0.5 to 1 g of water.
(4) Insist on the integrity of the fence every morning and evening to prevent frogs from escaping and predators from entering.
(5) Putting basal fertilizer before planting earthworms in Putian, with or without pesticides. Since frogs can feed large amounts of insects after they are put into the fields, they generally do not need to spray pesticides.
(6) Prevent predators such as snakes, rats, and birds.

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