Environment-friendly seawater pond culture method for portunus trituberculatus and stichopus japonicus

An environment-friendly technology of portunus trituberculatus and sea cucumber, which is applied in the field of environment-friendly seawater pond cultivation of portunus trituberculatus and japonicus, can solve the problems of high temperature reduction, production of japonicus, and many harmful organisms in sea cucumber cultivation, so as to expand the breeding area and improve the quality of ponds. Utilization rate, effect of improving breeding efficiency

Inactive Publication Date: 2018-05-29
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Abstract
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Problems solved by technology

[0004] Aiming at the problems of shrinking area of ​​portunus trituberculatus breeding ponds, lack of artificial compound feed, many harmful organisms in sea cucumber cultivation, high temperature and production reduction in the prior art, and it is generally believed that portunus trituberculatus will prey on or harm sea cucumbers, the technical problem to be solved by the present invention To provide a method for environment-friendly breeding of portunus trituberculatus japonicus. First, through the polyculture experiment of swimming crabs and sea cucumbers, it is confirmed that swimming crabs will not prey on or harm sea cucumbers, and eliminate people's deep-rooted misunderstandings; using the metho

Method used

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  • Environment-friendly seawater pond culture method for portunus trituberculatus and stichopus japonicus

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Experimental program
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Effect test

Embodiment 1

[0016] Polyculture experiment of portunus trituberculatus japonicus: select 4 specifications of sea cucumbers, 200 heads, 100 heads, 50 heads, and 10 heads; -Mixed breeding of different specifications of "Japonicus japonicus" (Table 1), 6 groups were established for each combination: 3 groups were fed, 3 groups were not fed, and each group was put into a white finishing box (580*420*310mm); 168h. The results showed that: during the breeding period, sea cucumbers grew normally without dormancy; Portunus trituberculatus did not ingest or harm sea cucumbers under feeding or starvation conditions; the misconception that "Portunus trituberculatus is the enemy of sea cucumbers" was eliminated.

[0017] Table 1 "portunus-stichopus" polyculture experiment combination

[0018]

Embodiment 2

[0020] Farming according to conventional farming methods

[0021] (1) Breeding of Portunus trituberculatus

[0022] In this example, the second-stage young crabs of the new species of portunus trituberculatus "Huangxuan No. 1" with complete appendages, smooth body surface, and strong health and vitality were selected; at the beginning of May, seedlings were put in at a density of 2,000 tails per mu according to the area of ​​the breeding pond. Species; feed Artemia adults in the early stage, and after stage VI juvenile crabs, feed blue clams, and the feeding amount is 8-15% of body weight; management is the same as conventional methods. After the mating is over, the male crabs are on the market, and the female crabs continue to feed. The bait is mainly fresh and live miscellaneous fish. In early November, the female crabs are caught and put on the market.

[0023] (2) Sea cucumber farming

[0024] At the beginning of March, tidy up the pond and lay the attachment base of se...

Embodiment 3

[0026] Utilize technical scheme of the present invention to carry out cultivation

[0027] A kind of Portunus trituberculatus-stichopus environmentally friendly culture method, it comprises the following steps:

[0028] (1) Cultivation of Portunus trituberculatus juvenile crabs: select Portunus trituberculatus "Huangxuan No. 1" stage II juvenile crabs cultivated in factory: complete appendages, smooth body surface, strong health and vitality; then cultivate to stage VI in outdoor cement pools Juvenile crabs: Strict disinfection of seawater and bait.

[0029] (2) Portunus trituberculatus-Apostichopus polyculture: At the beginning of March, tidy up the pond and lay the attachment base of Apostichopus japonicus; in early April, according to the area of ​​the pond, put 15 heads / catties of Apostichopus japonicus seedlings at a rate of 240 catties per mu, and feed them normally ; At the beginning of May, according to the biomass of sea cucumber predators in the pond, according to 20...

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Abstract

The invention relates to an environment-friendly seawater pond culture method for portunus trituberculatus and stichopus japonicus and belongs to the technical field of marine culture. The method includes: in early March, preparing a pond, and laying a stichopus japonicus adhering base; in early April, adding 240 jin of 15/jin stichopus japonicus seeds to each mu of the pond according to pond area, and normally feeding; in early May, adding 200-400 Huangxuan No. 1 stage-VI female portunus trituberculatus to each mu of the pond according to the number of the enemies of the stichopus japonicus in the pond, wherein the portunus trituberculatus is not fed during culture; in the first ten days of November, harvesting the portunus trituberculatus and the stichopus japonicus for selling. Experiments of the method prove that the portunus trituberculatus can be added in the whole culture process of the stichopus japonicus to perform mixed culture, the portunus trituberculatus adding is not limited to an estivation period, and the portunus trituberculatus does not prey on or damage the stichopus japonicus even if the portunus trituberculatus is not fed. The method has the advantages that theidea that technicians in the field takes the portunus trituberculatus as the culture enemy of the stichopus japonicus for a long time is changed, culture water is utilized sufficiently, and culture economic benefits are increased.

Description

technical field [0001] The invention belongs to the technical field of swimming crabs and sea cucumbers, and in particular relates to an environment-friendly cultivation method for swimming crabs and sea cucumbers in seawater ponds. Background technique [0002] Portunus trituberculatus is an important marine economic animal. Because of its fast growth, large body and delicious meat, it is deeply loved by the masses and has high economic value. Therefore, it is gradually developed as a breeding object. In 2006, the aquaculture area in my country reached 634,500 mu (2007 China Fishery Statistical Yearbook). In 2016, the aquaculture area in my country was only 393,300 mu (2017 China Fishery Statistical Yearbook), the aquaculture area decreased by nearly 40%, and the aquaculture output also declined sharply, and the shrinking trend continued. In addition, pond culture of Portunus trituberculatus lacks artificial compound feed, and mainly feeds low-value shellfish and fresh misc...

Claims

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Application Information

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IPC IPC(8): A01K61/59A01K61/30C02F1/32C02F103/20
CPCA01K61/30A01K61/59C02F1/32C02F2103/20Y02A40/81
Inventor 高保全刘萍李健任宪云吕建建
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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