Indoor artificial maturation accelerating method for parent stichopus japonicus
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A technology of ginseng seed and sea cucumber seed, which is applied in the field of indoor artificial ripening of sea cucumber seed ginseng, can solve the problems of poor effect of heating and promoting ripening, poor absorption effect, difficult to remove feces, etc., to prevent a large amount of loss, facilitate washing, The effect of increasing the attractiveness
Inactive Publication Date: 2018-09-18
DALIAN OCEAN UNIV
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However, there are still some operational problems in the above-mentioned invention, such as poor absorption of compound feed, poor effect of heating up to promote ripening after temporary breeding, easy loss of fine sand in the sand bottom with water changes, and difficulty in removing excrement, etc.
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Embodiment 1
[0029] Feed preparation: sea mud, shell powder with a particle size of 0.25mm, defatted kelp powder, Ulva powder, corn flour, fish meal, raw food powder, 70%, 10%, 5%, 5%, 3%, 2%, 5%, after fully mixing, mix with fresh water that has been boiled and cooled to below 40°C according to the volume ratio of 3:1, knead into a dough, put it in a plastic bag, seal it and place it at 25°C Let stand for 2 hours.
[0030] The indoor artificial ripening method of sea cucumber seed ginseng, the specific steps are as follows:
[0031] (1) Harvesting and screening: The harvesting time is September every year, and a pond or sea area with a water temperature of 14°C is selected; healthy individuals with a body weight of more than 200g and no external damage are selected;
[0032] (2) The first stage of ripening:
[0033] Adjust the water temperature, salinity, and pH of the seawater in the cultivation pond (pool) to be the same as the harvesting place, put them into the cultivation pond for ...
Embodiment 2
[0041]Feed preparation: sea mud, shell powder with a particle size of 0.5mm, defatted kelp powder, Ulva powder, corn flour, fish meal, raw food powder, by mass percentage example 70%, 10%, 5%, 5%, 3%, 2%, 5%, after fully mixing, mix with boiled and cooled fresh water below 40°C according to the volume ratio of 3:1, knead into a dough, put it in a plastic bag, seal it and place it at 35°C Let stand for 5 hours.
[0042] The indoor artificial ripening method of sea cucumber seed ginseng, the specific steps are as follows:
[0043] (1) Harvesting and screening: The harvesting time is September every year, and a pond or sea area with a water temperature of 16°C is selected; healthy individuals with a body weight of more than 200g and no external damage are selected;
[0044] (2) The first stage of ripening:
[0045] Adjust the water temperature, salinity, and pH of the seawater in the cultivation pond (plastic pond) to be the same as the harvesting place, put them in the cultiva...
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Abstract
The invention provides an indoor artificial maturation accelerating method for parent stichopus japonicus and belongs to the technical field of stichopus japonicus aquaculture. The main technical scheme is as follows: carrying out catching and screening, namely carrying out catching in September every year, and selecting a pond or a sea area with the water temperature ranging from 14 DEG C to 16 DEG C; screening healthy individuals with the body weights being 200g or above and without surface injuries; and carrying out two-stage maturation acceleration processes by using a featured aquaculturepond and a feed to obtain the parent stichopus japonicus. The water temperature in the catching time is appropriate, and the reconstructed aquaculture pond is additionally provided with a combinableadhering substance which is large in area, so that the life space of stichopus japonicus is enlarged, and the aquaculture density is relatively reduced. The feed adopted in the indoor artificial maturation accelerating method is scientific in formula, capable of improving the feeding habit of the stichopus japonicus and high in disease resistance; and the stichopus japonicus is subjected to maturation acceleration in a way of heating after cooling after being carried back, an overcompensation phenomenon happens during growth, and therefore, the finally-cultured parent stichopus japonicus is better in growth genes, better in gonad development and higher in gamete quality.
Description
technical field [0001] The invention relates to the technical field of sea cucumber cultivation, in particular to an indoor artificial ripening method for sea cucumber seedlings. Background technique [0002] Sea cucumber is an important marine aquatic animal in my country. From 2010 to 2013, the average annual area of sea cucumber cultivation in my country was 168,000 hectares, and the average annual output was 144,000 tons. From 2014 to 2016, the average annual cultivation area of sea cucumber in my country was Reached 216,000 hectares, with an average annual breeding output of 204,000 tons. With the expansion of the scale of sea cucumber farming, the demand for seedlings in the aquaculture industry continues to increase. Since 2013, the annual output of sea cucumber seedlings in my country has exceeded 70 billion heads. [0003] During the artificial cultivation of sea cucumber seedlings, the sexual maturity quality of seed ginseng plays a vital role in the quality an...
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