The magical effect of soybean milk in aquaculture
Soymilk is rich in nutrients and has a high protein content. It can meet the nutritional needs of fish and seedlings and can quickly grow fish. In addition, the soy milk that can't be eaten by the fry falls into the water, the water quality is easy to be fattened and the fertilizer is stable, the quantity of plankton is more, and fish diseases and predators are less.
Making milk
Soak soybeans in warm water of 25~35°C for 4~6 hours before refining. Soybean and water should be added at the same time when refining, generally 10 to 20 kg of water per kilogram of soybean. Can also be soaked in soybean cake after refining. The soaking time of bean cake is 3~6 hours, and 10~12 kilograms of water per kilogram when refining.
Pouring method
In order to prolong the suspension time of soy milk particles in water and improve the utilization rate of soymilk, they should be fed 2 to 5 times a day and the entire pool should be spilled. It is best to pile some tender green grass on the four corners of the fry pool, and then sprinkle the soymilk around the grass so that the young fry can open their mouths because they like intensive. Grass and herring like to concentrate on activities in the shallow water near the pool, so the pool of grass and green turtle ponds should splash more milk.
Slurry time
It is usually from 8 a.m. to 5 p.m. Early water temperature is low, oxygen content is low, and fry are eating less. Especially when the fish floats, the slurry will increase the lack of oxygen floating head. If you feed too late, you can't eat before dark, and the milk in the water can also cause negative oxygen in the pool. If the weather is hot and you want to make a thunderstorm or a rainstorm, be sure to feed less or stop feeding.
The number of batter
During the seedling period, an average of 667 square meters of rice is fed with 3 to 5 kilograms of soybean milk every day; after one week, it is increased to 5 to 6 kilograms, and the amount of water is used flexibly according to the water conditions. The color of water should be live, fat, tender and cool. Generally cultivating 10,000 species of fish requires 7-8 kg of soybeans. In addition, rearing grass carp or blue-fish fry, 10 minutes after the fish ponds up to 10 centimeters, the food intake is larger than other negative seedlings. At this time, in addition to pouring soy milk, it is best to use thicker bean paste, bean cake, etc. Stacked in shallow water around the pond for feeding.
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