High strength selecting and cultivating method of excellent stichopus japonicus seeds
A cultivation method and high-intensity technology, applied in the field of high-intensity selective cultivation of high-quality sea cucumber seedlings, to achieve the effects of prolonging the effective growth cycle, improving the survival rate, and avoiding environmental pollution
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Embodiment 1
[0025] a. Collection of ginseng
[0026] In January, sea cucumbers from 11 geographical groups were collected, namely Zhangzi Island, Exchange Island, Fuzhou Bay, Zhuanghe Shicheng Island, Lvshun, Changxing Island, Guanglu Island, Yantai, Jinzhou, Yingkou and Dandong coastal areas. The total number of individuals over 2.5 years old is about 3,000, and the average weight is 456g. See Table 1 for details.
[0027]
[0028]
[0029] The transportation method is determined according to conditions such as transportation distance, time, and temperature. The transportation time is within 3-4 hours and directly transported in an incubator; if the transportation time is longer, add about 1 / 3 seawater to a polyethylene bag, and pack 2-4 sea cucumbers per liter of seawater, then tie the mouth of the bag tightly and put it in Transport in a foam insulated box, and add ice packs to control the water temperature if necessary.
[0030] b. Culturing of ginseng
[0031] After the gins...
Embodiment 2
[0045] Others are the same as in Example 1, except that in the b step, the parent ginseng is intensively cultivated, and the combined feed A is used for intensive cultivation 45 to 20 days before spawning. The components and weight percentages of the combined feed A are 70 to 90% of sea mud. %, adult shrimp feed 6-10%, sargassum powder 2-5%, yeast powder 0.5-1%, spirulina powder 0.5-1%, 20-15 days before spawning, use combination feed B for intensive cultivation, The components and weight percentages of the combined feed B are 60-80% of sea mud, 10-15% of adult shrimp feed, 5-10% of sargassum powder, 1-1.5% of yeast powder and 1-1.5% of spirulina powder.
[0046] During the entire process of intensive cultivation of ginseng, no drugs are used, and scientific management and reasonable nutritional ratio are used to meet the health and intensive cultivation of ginseng. The body weight and gonad ratio of the pro-ginseng after nutritional fortification were all improved, see Table ...
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