The artificial breeding technology of sea cucumber is not yet mature, and it is currently mainly released and released. The main technical measures are: 1 Choose a good discharge site, that is, the sea conditions of the discharge site should be suitable for the living habits of the seedlings. It is best to choose the Bay and Inner Bay sheltered from the wind, and should have conditions such as fresh water, smooth flow and slow flow. The discharge depth is 3-10m. For example, if the size of the seed to be released is smaller, it should be located near the shore of the seaweed or where there are rocks. In recent years, tests have shown that, in aquaculture areas such as kelp, mussels, and scallops, as long as the substrate is suitable, shedding seedlings can achieve satisfactory results. 2 The bottom should be a rocky reef, a rock or a sandy bottom, and it is better to have large algae on the bottom. The mud content in the general bottoms should be below 10%.
The results of the investigation of the semen quality of the Chengshen living area indicated that the clay content of the sediment that lived at a depth of 20m was 3.1%. There are mainly two kinds of flow propagation pathways: one is transplanted ginseng; the other is ginseng seedlings. The main introduction of seedlings release technology: 1 seedlings for release should be about 2 cm in length, the survival rate of such seedlings after 1.5 years of release can reach more than 50%. 2 The discharge field should be selected in advance before discharge. When the flow is released, the seedlings will be loaded into the trapezoidal cages with iron bars (6040cm for the bottom and 30cm for the height). Each box can be loaded with 5-100000 seedlings. The cage is sent by the diver to the bottom of the sea. In this way, the seedlings can naturally climb out of the cut-off net mouth and escape after their vitality is fully recovered, which can greatly increase the survival rate. 3 Clear the predators of the discharge site before releasing.
The results of the investigation of the semen quality of the Chengshen living area indicated that the clay content of the sediment that lived at a depth of 20m was 3.1%. There are mainly two kinds of flow propagation pathways: one is transplanted ginseng; the other is ginseng seedlings. The main introduction of seedlings release technology: 1 seedlings for release should be about 2 cm in length, the survival rate of such seedlings after 1.5 years of release can reach more than 50%. 2 The discharge field should be selected in advance before discharge. When the flow is released, the seedlings will be loaded into the trapezoidal cages with iron bars (6040cm for the bottom and 30cm for the height). Each box can be loaded with 5-100000 seedlings. The cage is sent by the diver to the bottom of the sea. In this way, the seedlings can naturally climb out of the cut-off net mouth and escape after their vitality is fully recovered, which can greatly increase the survival rate. 3 Clear the predators of the discharge site before releasing.
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