Stichopus japonicus floating larva breeding method
A cultivation method and larvae technology, applied in the field of planktonic larvae cultivation of Apostichopus japonicus, can solve the problems of difficult transportation, preservation, waste of resources and high cost
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[0009] Taking a japonicus nursery pond with an effective water body of 1000 cubic meters as an example, there are 50 cultivation ponds with a depth of 20 cubic meters and a depth of 1.1 meters. The specific breeding process includes: Breeding density: After breeding, the breeding density of microtia larvae is calculated based on the pool full of water, controlled at 0.2 / ml, the temperature of the pool water is controlled at 22-23°C, and 4 million larvae are placed in each breeding pool . After the pool is set up, a small amount of air is continuously inflated.
[0010] ①Water level and water quality control: When microtia larvae are bred in cloth ponds, only 50cm of water is added to the cultivation ponds. After the selection, according to the actual number of water bodies, 50ml of Bacillus subtilis was put into each cultivation pool. No more water was added thereafter. From the 4th day after the selection, 10cm of fresh seawater was added every day, and 2ppm of Bacillus su...
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