Whitefish breeding new model

Major lakes and reservoirs

When the seeds are planted once, the two fish species are 0.3 to 0.6 kg per tail, about 70 for each mu, about 50 for each mu for 1.2 to 1.5 kg, and starting to catch in July and August. For the remaining October-December fishing, 20 to 30 white locusts per acre will be placed, and a certain amount of quail-bottom fish will be released. Time for fish rearing: Before Spring Festival.

Once the species was planted, the end of the year was to raise the stocking rate of the fish species of the calyx by 0.3 to 0.6 pounds per tail and 120 to 150 tails per mu. Place 20 to 30 tails per acre and put a certain amount of ground fish.

Medium intensive intensive water body cultivation pattern (100 mu - 1000 mu intensive water body)

The proportion of white storks, calyx and food fish is 1:1. On the one hand, full use of water resources, increase production and efficiency; on the other hand can control the cyanobacteria bloom, flower carp species specifications 0.5 pounds per tail, about 1 pound per tail, 1.5 pounds per tail and 0.3 pounds to 0.5 pounds per tail About 40 species of white bream are left and right, and in July they began to catch big and stay small. Put a certain amount of grasshopper fish. Eat fish to eat in the usual way. (Refine the fish pond with reference to this method)

Breeding mainly of calyx. Put some 0.3 pounds to 0.5 pounds per tail, put about 1 pound per tail, about 50 pounds per tail, about 50 pounds per side, put about 30 pounds per puddle of white praying, and put a certain amount of pounds Fish, starting from July, seize the market conditions, catch big and stay small. The total output is more than 500 kg per mu.

The choice of fishing

The use of modern bio-organic compound fertilizer, in addition to containing a large number of nitrogen, phosphorus, carbon and other major elements, but also contains a balanced trace elements, a variety of amino acids, a variety of organic matter, peptides, beneficial bacteria, fertilizer enhancer, etc., not only nutritious , comprehensive, but also fertilizer, water, water control, provide a good living environment for fish, especially suitable for the cultivation of large algae, rotifers, horned worms, copepods, etc. The high-yielding cultivation of calyx provides guarantee.

Fertilizer input method: the normal application of base fertilizer. In March, a manure was fermented with 300 kg of fertilizer per acre, and an amino acid fertilizer paste was applied. In April, amino acid bio-organic fertilizer was applied at a rate of about 1 kg per mu. Apply fertilizer every 5 days to 7 days in sunny morning, apply 300 kg per mu in mid-June, apply appropriate phosphorus and nitrogen fertilizer in July, August, and September, apply body-building fertilizer in November; use fertilizer 30 times a year about. The effect of fertilization is to maintain a water body transparency of about 30 cm as the standard.

At present, the types of fertilizers for fish mainly include compound fertilizers, compound fertilizers, composite compound fertilizers, organic compound fertilizers, and bio-organic fertilizers. Some organic compound fertilizers are formulated by adding organic substances (such as chicken manure) to inorganic compound fertilizers. The real bio-organic fertilizer is prepared by inoculating high-energy organic compounds into specific bacterial groups, fermenting and decomposing them under specific artificial conditions, adding some beneficial bacteria, fertilizer enhancement agents, specific enzyme preparations, and trace elements. Some manufacturers use organic fertilizers as high-efficiency bio-organic fertilizers, which are not high-yielding for the cultivation of flower buds.

Water quality control issues

The main cultivars need more than 30 milligrams of biomass per liter of water, using amino acid bio-organic fertilizers, which are rich in ingredients and versatile. Water is not rich enough, food is not enough for flower buds, growth rate will slow down, microcystis will appear in water and fertilizers will deteriorate, water environment will deteriorate, growth rate of flower buds will also slow down, and quality will decline. Disease prevention and treatment

Do a good job at the bottom of the pool, disinfect the water and kill the fish. From March to April, a fish microscopic examination was performed. If insects were used, insecticides were used to kill parasites. The first insecticide was completed before April 30th, and the dosage was about 200 liters of the original drug, the second time, depending on the circumstances; the first disinfection and insecticide were completed before April 30th. Chlorine dioxide dibromohydantoin powder was used, with a dosage of about 1500 kg.

Hemorrhage Prevention: According to the regularity of the incidence of the disease, use 1 to 2 times, the first time before July 1, the amount of 200 liters of the original drug, the second time, around August 10, depending on the circumstances set.

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