Technical method for protecting juvenile stichopus japonicus through net cages indoors

The invention provides a technical method for protecting juvenile stichopus japonicus through net cages indoors. The method is characterized in that according to a technical formula, bait comprises 50% of selaginella doederleinii, 20% of sargassum thunbergii powder, 10% of juvenile stichopus japonic...

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Hauptverfasser: REN QINGYIN, DONG YICHAO, ZHANG ZHONG, YU HUIGUO
Format: Patent
Sprache:eng
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Zusammenfassung:The invention provides a technical method for protecting juvenile stichopus japonicus through net cages indoors. The method is characterized in that according to a technical formula, bait comprises 50% of selaginella doederleinii, 20% of sargassum thunbergii powder, 10% of juvenile stichopus japonicus fodder, 3%-5% of scallop brims, 0.5%-1% of yeast powder and 0.2%-0.5% of lactic acid bacteria, 20 ppm-30 ppm of EM bacteria are fed, 20 cm water is replaced every two days, 5 ppm replaced EM bacteria are supplemented, organic matter such as remaining bait and excrement is decomposed, the water quality environment is kept stable, a culture pond is 6 m long, 3.5 m wide and 1.2 m high, each net cage is 100 cm long, 40 cm wide and 30 cm high, the net cages are made to be 5.6 m long and wrapped with a 10-mesh nylon net, cage openings at the two ends are bound through ropes, the net cages are flatly laid on the pond bottom, bricks are bound to the net cages, the net cages are fixed, the distance between every two rows of the net cages ranges from 10 cm to 15 cm, and the pond bottom is fully paved with the net cages. In this way, operation is easy, and only one or two operators are needed for operation. The juvenile stichopus japonicus are protected through the net cages indoors, adult stichopus japonicus is easily raised in net cages when put in seawater ponds in future, and stichopus japonicus adapts to the shelter environment.