What should be paid attention to when stocking shrimp

1. Seedlings of loach seedlings are played between the beginning of February and March. At this time, the seedlings are small and the temperature is low, which facilitates transportation and has a high survival rate. Seed size requirements 3000 tablets / kg, usually playing density per acre is about 50,000 tablets, there are two methods of seedlings when playing seedlings: one is to splash with water; one is mixed with appropriate amount of sand, dry In the whole area, 2 to 3 hours of dryness on the pond should be maintained 2 to 3 days after the broadcast. It is not advisable to promote the deep cave burrowing of the seedlings at noon. 2. Shrimp seedlings are played in May. When seedlings are selected, the seedlings should reach 1.2 to 1.5 cm. The seedlings should reach P12 or above, and the days should be 20 to 22 days. Avoid the hot when transporting seedlings. At noon, should be selected sooner or later or cloudy days, the temperature is maintained at 20 ~ 25 °C is appropriate, the temperature is too high a direct impact on the survival rate of shrimp seedlings, shrimp polyculture density of 1 ~ 20,000 per mu is appropriate.

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