How to raise fish in spring
If the abundance of water and dry grass is abundant, it is advisable to raise the grass and carp; if the fat source is sufficient, the main carp, carp, silver carp and tilapia can be cultured; Youth, eel. The amount of stocking depends on the conditions of the pond and the degree of rearing management. Usually, intensive culture of fishponds put 1,500 to 2,000 tails per acre, and 500 to 1,000 tails per acre of crude fish ponds. In order to increase the yield per unit area, the varieties and specifications should be fulfilled. The rational mixed culture density of fish species, the fish species should be disinfected before stocking.
Paying attention to fertilizing and feeding fish species before laying stocks should be enough base fertilizer, 1 mu manure 250 kg -300 kg; when topdressing, the amount of early spring less, less in late spring should be less than times; maintain the water color was brown, reddish brown, transparency About 30 centimeters.
Fish disease prevention and control of fish disease should be based on early prevention, every 1 month or so, respectively, to the pond dumped 1 mg / l bleaching powder and 0.2-0.4 mg / l crystal trichlorfon once. Found fish diseases, timely diagnosis, symptomatic treatment.
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