CN101611700B - Cage and method for breeding stichopus japonicus on sea - Google Patents

Abstract

The invention relates to a technology for breeding stichopus japonicus on the sea, in particular to a method for breeding stichopus japonicus by using cages on the sea with low cost and high livability. The breeding cage comprises a frame and a polythene net, and is characterized in that the a quadratic frame is adopted and is connected by round logs; each edge of the frame consists of an inner round log and an outer round log; the inner round log and the outer round log are flatly paved by using a board with the length of 30 cm and the width of 10 cm between the inner round log and the outer round log so as to be convenient for walking by staff; the inner round log and the outer round log are respectively hung with inner bolting-silk net cloth and outer polyethylene net cloth, the bottoms and the sides of the inner bolting-silk net cloth and the outer polyethylene net cloth are respectively provided with weigh blocks; each edge of the frame is provided with a float. The breeding method comprises the steps of choosing a sea area, making and throwing cages, hanging attaching bases, collecting seeds of the stichopus japonicus, propagating the seeds of the stichopus japonicus, attaching seeds of the stichopus japonicus, throwing and breeding, collecting seeds, and the like. The invention has advantages of energy saving, low cost, no pollution, high livability of breeding, and the like.

Description

A kind of stichopus japonicus sea grow seedlings net cage and seedling-cultivating method

Technical field

The present invention relates to the seedling growing process of stichopus japonicus, the marine net cage seedling nursery method of the stichopus japonicus that particularly a kind of cost is low, survival rate is high.

Background technology

As everyone knows, stichopus japonicus ( Apostichopus japonicus Selenka) in classification, belong to Echinodermata, Holothuroidea 、 Parapet hand order, Stichopodidae, mainly be distributed in the Huanghai Sea and marine site, the Bohai Sea.In the edible sea cucumber of kind more than 20 that China finds, stichopus japonicus is the kind that output is maximum, economic worth is the highest.In recent years, along with starting of holothruian cultures upsurge, the holothruian cultures oncoming force that multiple modes such as propagation are broadcast at the breed of cofferdam, intertidal zone, pond culture, the end was swift and violent.According to the statistics in the ocean, Shandong Province and the fishery Room, the aquaculture area of the whole province in 2007 reaches 430,000 mu, 8,100,000,000 yuan of annual value of production, and apostichopus japonicus culture has formed a big industry, and has formed---aquaculture---processing---industrial chain of monopolized store of growing seedlings thus.

The required a large amount of sea cucumber seedlings of stichopus japonicus aquaculture are to be produced by the factory of growing seedlings basically now; The seashore that the factory's common buildings of growing seedlings is limpid at seawater, stormy waves is little, seawater is pollution-free, no fresh water flows into; Growing seedlings generally is provided with a plurality of ponds and circulating lines such as pump house, seawater sedimentation basin, parent participation culture pond, spawning pond in the factory, artificial breeding to pass through parent participation adopt catch, management is stored up in parent participation, spawning and fertilization, hatching, larval culture and young ginseng collection and cultivation etc., seedling is put into cultured through the country then; The less than one of above-mentioned prior art is that capital construction is big, investment has a big risk more; The 2nd, waste energy, seedling cost is high, the extraction of seawater and circulation all need power drive in the seedling raising process, in addition; Also to often regulate the temperature of seawater; Adapting to the living condition of stichopus japonicus, the 3rd, the survival rate of growing seedlings, putting in a suitable place to breed is low, and the 4th, complicated operation, management is inconvenient, working strength of workers is big.

Summary of the invention

The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of energy savings is provided, cost is low, survival rate is high, grow seedlings in the stichopus japonicus sea of convenient management net cage and seedling-cultivating method.

The present invention can reach through following measure:

A kind of stichopus japonicus sea net cage of growing seedlings comprises framework and polythene net, it is characterized in that the quadra that framework adopts round log to connect into; Every limit of framework is formed by interior round log and outer round log; Pave with the plank of the wide 10cm of long 30cm between interior round log and outer round log, so that administrative staff's walking, bolting silk etting and outer polyethylene etting in hanging with respectively on interior round log and the outer round log; The mesh of interior bolting silk etting is 200 orders; The mesh size of outer polyethylene etting is about 0.5cm, and the bolting silk etting is respectively equipped with balancing weight with outer polyethylene etting bottom and side in the interior polyethylene, and the effect of outer polyethylene etting is the foreign material that can stop in the extraneous seawater; The effect of interior bolting silk etting is the entering that stops greasy dirt and copepoda harmful organisms etc., and balancing weight all launches in water for making etting.

The present invention can be provided with float on every limit of framework, the present invention can be floated in water.

A kind of stichopus japonicus sea net cage seedling nursery method is characterized in that comprising that sea area addressing, net cage are made and input, extension adherance, seed ginseng are adopted and caught, seed ginseng is bred, seedling adheres to, throws something and feeds, receives the seedling step,

Wherein sea area addressing: require water quality pure and fresh pollution-free, trend is unimpeded, and bait is abundant, receives stormy waves, tidal effect less, does the sea area that the time of tide depth of water must not be lower than 5m,

Net cage is thrown in: the piling in the seabed, net cage is linked to each other in twos, and 10 left and right sides net cages of a row are connected net cage in the stake with anchor hawser then, think that net cage positions,

Hang adherance: adherance is 20cm * 30cm mesh bag, is 10 row in each net cage, every row 10 strings, and 27 of every strings amount to about 2700.Every string adherance is hung about 1 kilogram dropstone and is prevented that adherance is floating in the bottom,

Seed ginseng is adopted and is caught: to avoid directly being exposed to the sun of sunlight, greasy dirt, extruding etc. when catching adopting as far as possible, and will pass through strictness and select, find that telling dirty individuality will in time choose, select for use individual stichopus japonicus big, that vigor is stronger to do seed ginseng,

The seed ginseng breeding: 8 o'clock to second day evening, the 2:00 AM seed ginseng was laid eggs in oopod; The oopod specification is 2m * 1m * 1m (length * wide * height); Process by 60 mesh sieve tulles, hang in the Intranet, during specially the someone be responsible for observed and recorded; Net cage to there not being a large amount of rows smart (ovulation) continued to observe in the second day evening

Seedling adheres to: be fertilized about 10 days, and grew the doliolaria stage, seedling progressively begins to adhere to,

Throw something and feed: the stichopus japonicus young that marine net cage is educated is a bait with the unit cell algae of self-sow in the marine site, is aided with marine active yeast living body bait, when stopping manual work to doliolaria after the stage, development by metamorphosis throws something and feeds,

Receive seedling: approximately begin to receive seedling mid-September, the seedling of keeping well is rendered to specified the sea area.

The present invention has following advantage, and 1, this is a kind of seedling-cultivating method of saving type, whole seedling raising process is consumes energy not basically.2, this is a kind of seedling-cultivating method of environment-friendly type, in whole seedling raising process, does not make medicament basically, does not also produce waste water, does not have pollutant that environment is caused harmful effect basically.3, this is a kind of seedling-cultivating method of health type, owing to be under the natural ecological system, to grow seedlings, do not use any medicine again, thereby the seed of producing is the same basically with the seed of natural propagation.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the vertical view of Fig. 1.

Embodiment

Below in conjunction with accompanying drawing the present invention is further described:

Shown in accompanying drawing; A kind of stichopus japonicus sea net cage of growing seedlings comprises framework 1 and polythene net 2, and the big I of net cage designs according to the sea area situation voluntarily; Because of test is located at marine site, gravelstone island, Weihai; The specification of experiment selected net cage is: 5m * 5m * 4m (the wide ⅹ of long ⅹ is high), and wherein outer mesh size is for 0.5cm, Intranet mesh size are 200 mesh sieve tulles, the case mesh size of laying eggs is 60 mesh sieve tulles, the net cage material therefor has timber, float, polythene net, bolting silk net, polyethylene rope, stone bag etc.

The stichopus japonicus sea net cage of growing seedlings is made: Yi Bian use 8 diameters to be built into a square frame 1 in twos as the round log of 20cm; With big specification bolt; In the middle of two round logs, be paved with long 30cm; Fixing 10 ~ 12 diameters are that 30cm, height are the float 4 of 80cm below around the plank 3 about wide 10cm, framework, and net cage can be floated in water.The net cage of all making is hauled selected sea area, link to each other in twos, 10 net cages of a row, the anchor hawser fixed position is used in the piling in the seabed then.After fixing, under framework, hang up polythene net, around the framework with the limit on fixing etting respectively, the stone bag 5 about heavily about 4kg is fixed at all around base angle and the mid point position of four sides and bottom surface in the etting bottom simultaneously, makes etting all expansion in water.Before arresting seed ginseng, will hang up one deck bolting silk net (200 order) again as Intranet at net cage frame, midpoint is fastened the stone bag of heavily about 4kg equally on four jiaos of interior sieve bottom, bottom surface and the limit, etting is all launched in water, and be close on the outside etting.Effect is the entering that can stop foreign material, greasy dirt and copepoda harmful organisms etc. in the extraneous seawater, and outside etting has just in time played the effect of protection Intranet.

A kind of stichopus japonicus sea net cage seedling nursery method is characterized in that comprising that sea area addressing, net cage are made and input, extension adherance, seed ginseng are adopted and caught, seed ginseng is bred, seedling adheres to, throws something and feeds, receives the seedling step,

Wherein sea area addressing: require water quality pure and fresh pollution-free, trend is unimpeded, and bait is abundant, receives stormy waves, tidal effect less, does the sea area that the time of tide depth of water must not be lower than 5m,

Net cage is thrown in: the piling in the seabed, net cage is linked to each other in twos, and 10 left and right sides net cages of a row are connected net cage in the stake with anchor hawser then, think that net cage positions,

Hang adherance: adherance is 20cm * 30cm mesh bag, is 10 row in each net cage, every row 10 strings, and 27 of every strings amount to about 2700.Every string adherance is hung about 1 kilogram dropstone and is prevented that adherance is floating in the bottom,

Seed ginseng is adopted and caught: there is direct relation the time of arresting seed ginseng with selected sea area ocean temperature.Area, Weihai is generally by the end of May to mid or late June the sea cucumber breeding time, and it is comparatively suitable generally to arrest seed ginseng (temperature reaches more than 18 ℃) at the beginning of 6 months at natural waters.This seed ginseng of being selected for use of test all comes from the wild seed ginseng of little stone island, will avoid directly being exposed to the sun of sunlight, greasy dirt, extruding etc. when catching adopting as far as possible, and will pass through strictness and select; Discovery is told dirty individuality and will in time be chosen; Select for use individual sea cucumber big, that vigor is stronger to do seed ginseng,, the sea cucumber of arresting is put into the container of splendid attire 1/3rd volume seawater like the need transportation; Seed ginseng quantity in each container is difficult for too much preventing to push in transit, arrange phenomenons such as dirty.Be preferably in container placed around ice cube, prevent too high dirty, row's's smart (ovulation) the phenomenon in advance of row that causes of temperature,

The seed ginseng breeding: 8 o'clock to second day evening, the 2:00 AM seed ginseng was laid eggs in oopod; The oopod specification is 2m * 1m * 1m (length * wide * height); Process by 60 mesh sieve tulles, hang in the Intranet, during specially the someone be responsible for observed and recorded; Net cage to there not being a large amount of rows smart (ovulation) continued to observe in the second day evening

Seedling adheres to: removed the case of laying eggs in back second day laying eggs, after fertilization hung up adherance in 7 ~ 9 days in net cage.Adherance is 20cm * 30cm mesh bag, and every string adherance is hung about 1 kilogram dropstone and prevented that adherance is floating in the bottom, be fertilized about 10 days, grows the doliolaria stage, and seedling progressively begins to adhere to,

Throw something and feed: the stichopus japonicus young that marine net cage is educated is a bait with the unit cell algae of self-sow in the marine site, is aided with marine active yeast living body bait, when stopping manual work to doliolaria after the stage, development by metamorphosis throws something and feeds,

Receive seedling: approximately begin to receive seedling mid-September, the seedling of keeping well is rendered to specified the sea area.

Claims (3)

1. stichopus japonicus sea net cage of growing seedlings comprises framework and polythene net, it is characterized in that the quadra that framework adopts round log to connect into; Every limit of framework is formed by interior round log and outer round log, is provided with at least two dividing plates between interior round log and outer round log, and interior round log hangs with bolting silk etting in the 150-250 order; Hang with the outer polyethylene etting of mesh 0.5cm on the outer round log, interior bolting silk etting is respectively equipped with balancing weight with outer polyethylene etting bottom and side, is provided with adherance in the net cage; Adherance is 20cm * 30cm mesh bag, and every string adherance hangs with dropstone in the bottom, and Intranet hangs with oopod; The oopod specification is 2m * 1m * 1m, is processed by 60 mesh sieve tulles.

2. a kind of stichopus japonicus according to claim 1 sea net cage of growing seedlings is characterized in that every limit of framework is provided with float.

3. the marine net cage seedling nursery method of stichopus japonicus is characterized in that comprising that sea area addressing, net cage input, extension adherance, seed ginseng are adopted and caught, seed ginseng is bred, seedling adheres to, throws something and feeds and receives the seedling step,

Wherein sea area addressing: require water quality pure and fresh pollution-free, trend is unimpeded, and bait is abundant, receives stormy waves, tidal effect less, does the sea area that the time of tide depth of water must not be lower than 5m,

Net cage is thrown in: the piling in the seabed, with anchor hawser net cage is connected in the stake,

Hang adherance: adherance is the mesh bag formula, is 10 row in each net cage, every row 10 strings, and 27 of every strings, every string adherance hangs with dropstone in the bottom,

Seed ginseng is adopted and is caught: adopts and will avoid directly being exposed to the sun of sunlight, greasy dirt, extruding when catching and want strictness to select, find that telling dirty individuality will in time choose, select for use individual stichopus japonicus big, that vigor is stronger to do seed ginseng,

The seed ginseng breeding: 8 o'clock to second day evening, the 2:00 AM seed ginseng was laid eggs in oopod, and the oopod specification is 2m * 1m * 1m, is processed by 60 mesh sieve tulles, hangs in the Intranet,

Seedling adheres to: be fertilized 8-12 days, and grew the doliolaria stage, seedling progressively begins to adhere to,

Throw something and feed: the stichopus japonicus young that marine net cage is educated is a bait with the unit cell algae of self-sow in the marine site, is aided with marine active yeast living body bait, when stopping manual work to doliolaria after the stage, development by metamorphosis throws something and feeds,

Receive seedling: begin to receive seedling mid-September, the seedling of keeping well is rendered to specified the sea area.

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