CN102132679A - Method for cultivating stichopus japonicus seedlings in earth-pond net cage - Google Patents
Method for cultivating stichopus japonicus seedlings in earth-pond net cage Download PDFInfo
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- CN102132679A CN102132679A CN2011101007790A CN201110100779A CN102132679A CN 102132679 A CN102132679 A CN 102132679A CN 2011101007790 A CN2011101007790 A CN 2011101007790A CN 201110100779 A CN201110100779 A CN 201110100779A CN 102132679 A CN102132679 A CN 102132679A
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- 241000965254 Apostichopus japonicus Species 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000003203 everyday effect Effects 0.000 claims abstract description 15
- 241000251511 Holothuroidea Species 0.000 claims abstract description 11
- 238000012258 culturing Methods 0.000 claims description 23
- 241000251557 Ascidiacea Species 0.000 claims description 14
- 238000009395 breeding Methods 0.000 claims description 12
- 230000001488 breeding effect Effects 0.000 claims description 11
- 241001508687 Mustela erminea Species 0.000 claims description 9
- 238000009360 aquaculture Methods 0.000 claims description 7
- 244000144974 aquaculture Species 0.000 claims description 7
- 241000251468 Actinopterygii Species 0.000 claims description 5
- 241000238557 Decapoda Species 0.000 claims description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 5
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003442 weekly effect Effects 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 2
- 208000002193 Pain Diseases 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 9
- 239000013535 sea water Substances 0.000 abstract 4
- 230000037406 food intake Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000002720 Malnutrition Diseases 0.000 description 1
- 241000258161 Stichopus Species 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009399 inbreeding Methods 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 230000001071 malnutrition Effects 0.000 description 1
- 235000000824 malnutrition Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 208000015380 nutritional deficiency disease Diseases 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention relates to a method for cultivating stichopus japonicus seedlings in an earth-pond net cage, which comprises the following steps of: putting a net cage, namely putting up a sunshade net at the bottom of an earth pond, and suspending the net cage; injecting water, namely injecting clean filtered seawater 15 to 20 days before the seedlings are put till the net cage emerges 30 to 40 centimeters from a water surface; putting the seedlings, namely putting the seedlings from the end of June to the beginning of July; performing the management of water quality, starting to inject fresh seawater frequently 7 to 15 days after the seedlings are put to increase the depth of the seawater, so that the depth of the seawater is between 1.8 and 2 meters in high-temperature season; performing cultivating management, namely putting sea cucumbers into the net cage with feed every day during cultivating, so that the feed is released uniformly and slowly; and replacing the net cage and pouring the seedlings once at intervals of 20 to 25 days in the early stage of cultivation, high-temperature season and the later stage of the cultivation. In the method, the feed is released to the net cage uniformly and slowly in a feeding mode of 'proper amount of much feed, proper amount of less feed and proper amount of much feed again' to ensure that the sea cucumbers can eat the feed, so the ingestion of the sea cucumbers is more uniform in time and space, the survival rate and yield of cultivating the stichopus japonicus seedlings in the earth-pond net cage are improved, the cost is reduced, and the labor strength of operating workers is relieved.
Description
Technical field
The present invention relates to a kind of native pond net cage and cultivate the method for thorn seedling.
Background technology
Nutrition and the medical value of stichopus japonicus are higher, are the new growth points of important mariculture kind of northern China and fishery economic.Along with stichopus japonicus pond and fish-farming in shallow marine water scale constantly enlarge, the stichopus japonicus artificial breeding develops rapidly.The stichopus japonicus of unordered fast development is grown seedlings and has both brought economic and social benefit, has destroyed environment and resource again to some extent.Artificial breeding has consumed a large amount of energy, and energy shortage and raw material appreciate and make seedling cost high again, and profit margin constantly descends; Culturing unit is the profit-push maximization, and seedling density is big, sea cucumber inbreeding rate height, makes the minimizing of seedling activity space, malnutrition, poor growth, parent is small, disease is rampant.Chemicals such as unordered a large amount of use antibiotic causes the stichopus japonicus drug disposition residual in the breeding process, and quality descends; Though indoor reinforced cultivating has been protected sick, weak person, has reduced natural selection artificially, has reduced survival ability and the stichopus japonicus germ plasm resource of seed; The indoor raising of seedling water consumption is big, and breeding water is not treated directly into the sea, serious environment pollution, the safety that threatens stichopus japonicus food.
The Tu Chi of Chu Xianing educates the thorn seedling and has strengthened natural selection in recent years, has eliminated sick, weak seed, has strengthened protogene, has improved the quality of seed, has protected stichopus japonicus germ plasm resource; Tu Chi educates the thorn seedling, does not use chemicals, has improved displacement mass, has alleviated environmental pressure, can produce green non-pollution stichopus japonicus food, strengthens the competitiveness of commodity; Tu Chi educates the thorn seedling and utilizes original stichopus japonicus pond or discarded pond, need not to throw huge fund and builds seedling room, is suitable for the fisherman and produces, and helps developing inshore fishing economy; But Tu Chi educates the thorn seedling adopts bulk storage, and the artificial-strengthening degree is not mature enough, therefore yields poorly, and the seedling of production is difficult for fishing for.At the problems referred to above, educate the breeding method that has occurred placing net cage in the thorn seedling at Tu Chi, specifically be divided into two kinds of marine net cage seedling nursery and native pond net cage seedling nurseries, marine net cage seedling nursery existence operation is inconvenient, management is thin, net cage easily blocks up, the effect problem of unstable; Soil pond net cage seedling nursery many " expedient plans " as superfluous seed in replenishing of growing seedlings of indoor stichopus japonicus and the process chamber, few for a long time during output, bad during the effect fashion, be not easy to promote.
Summary of the invention
The present invention will solve the problems referred to above that existing native pond net cage cultivation thorn seedling exists, the method that provides a kind of native pond net cage to cultivate the thorn seedling, and with the survival rate and the output of raising thorn seedling, and stable yield, effective, be convenient to promote.
The technical solution adopted in the present invention is:
1, places net cage
Utilize original stichopus japonicus pond or discarded pond, built sunshade net is done adherance at the bottom of native pond, puts the net cage of screen cloth, loam cake sunshade net on the net in the sunshade of setting up suspends, and net cage is high 2～2.5 meters, and distance is 4～6m between the net cage; During May the pond is carried out disinfection;
2, water filling
Put preceding 15～20 days of seedling and inject clean filtering sea, make the net cage 30～40cm that surfaces after the water filling, in case wild shrimp trash fish and harmful organisms enter;
3, put seedling
To sting seedling by the end of June at the beginning of 7 months and put in a suitable place to breed in the net cage and cultivate, the physique amount of thorn seedling is 0.003～0.02g, and breeding density is 80～120g/m
2
4, water quality management
Sooner or later respectively survey the water temperature of net cage table, bottom every day during the breed, keeps the upper and lower layer of net cage water temperature between 18～32 ℃, to prevent the too high stichopus japonicus poor growth that causes of temperature;
Control stable biocoenosis form by annotating draining during the breed, in case Ascidian, pipe worm multiply, make water quality meet following standard: pH value: 7.8～8.6, dissolved oxygen＞5mg/L, nitrite＜0.05mg/L, hydrogen sulphide≤0.1mg/L, ammonia nitrogen＜0.6mg/L, transparency: 30～40cm;
Put seedling and begin the diligent new water increase depth of water of annotating after 7～15 days, making the depth of water to the high temperature season of culturing mid-term is 1.8～2m;
5, aquaculture management
Put into net cage with sea cucumber compound feed and make its evenly slowly release every day during the breed, and culturing and throwing the rate of raising in earlier stage is 10～12%, and culturing throwing in the mid-term rate of raising is 5～9%, and culturing the later stage throwing rate of raising is 2～4%;
At the high temperature season of culturing early stage, the mid-term of breed with culture the later stage, every 20～25 days replacing net cages, fall seedling once, when falling the seedling, thoroughly scrub, tan by the sun net cage, the seedling size is divided put, the removing Ascidian;
Gather in the crops stichopus japonicus the last ten-days period in October.
It is by the mesh bag that suspends above in net cage that above-mentioned manufactured feed evenly slowly is discharged in the net cage, pneumatic agitator is set on net cage, make the impeller of pneumatic agitator be positioned at mesh bag, realize evenly slowly discharging and playing the oxygenation effect of manufactured feed by pneumatic throwing something and feeding.
It is to establish the feed bottle that sieve aperture, interior assembling close feed by the bottom that suspends above in net cage that above-mentioned manufactured feed evenly slowly is discharged in the net cage, realizes evenly slowly discharging of manufactured feed when the feed bottle is swung with the wind.
Described net cage is connected with timber in being fixed on native pond by stay cord, thereby realizes the lifting of net cage.
Long 2.0～4.0 m of above-mentioned net cage, wide 2.0～3.0 m.
Above-mentioned built is on the sunshade net at the bottom of the native pond is fixed on old foster ermine cage at the bottom of being placed on native pond, to reduce aquaculture cost.
Above-mentioned duty is annotated new water and is meant water filling every day 5～10cm or 3～4 times weekly, each 20～30 ㎝.
Above-mentioned breeding density is 80～90g/m
2
The above-mentioned sunshade net that is arranged on the net cage is bilayer.
Above-mentioned breed is in earlier stage for putting Miao Houzhi by the end of July, cultures mid-term and be 8, September, and the breed later stage is October.
The present invention cultivates juvenile stichopus by place net cage in outdoor earth pond, used for reference strengthen in the indoor rearing thorn seedling bait throwing in, regularly fall seedling, in good time branch pond sparse density, regulate the administrative skill of water quality, control water temperature, culture early stage, the mid-term of breed and culture the later stage take respectively " an amount of many-an amount of few-many in right amount again " the pattern of throwing something and feeding; Promptly culturing early stage, stichopus japonicus is less, and natural bait has played important function in the nutrition of stichopus japonicus, and the stichopus japonicus growth is fast, survival rate is high, but also should suitably throw in manufactured feed, can provide prescribing adequate nutrition like this, can keep the natural bait of suitable number again; Culturing mid-term, stichopus japonicus is subjected to high temperature restriction growth slower, and Ascidian multiplies in a large number, and the most of grown vigorous Ascidian of feed utilizes, this just more suppress the growth of stichopus japonicus, survival rate significantly reduces, and should suitably reduce the feeding volume of manufactured feed at this moment; Culturing the later stage (October), water temperature reduces, the Ascidian poor growth, and the growth of stichopus japonicus is faster than Ascidian, and absolute feeding volume should suitably increase.Manufactured feed evenly is released in the net cage lentamente, guarantees that sea cucumber can have feed for a long time, it is more even on space-time that sea cucumber is ingested, thereby improved survival rate and output that native pond net box is cultivated the thorn seedling; And reduced cost, alleviated operator's labour intensity.
Description of drawings
Fig. 1 is a net cage layout drawing among the present invention;
Fig. 2 is that the pneumatic machine of throwing something and feeding is arranged schematic diagram among the present invention;
Fig. 3 is the net cage schematic diagram that suspends among the present invention;
Fig. 4 is that the feed bottle is arranged schematic diagram among the present invention;
Among the figure: 1-Tu Chi, the old foster ermine cage of 2-, 3-sunshade net, 4-net cage, the double-deck sunshade net of 5-, 6-timber, 7-stay cord, 8-mesh bag, 9-wind-force agitator, 901-impeller, 10-feed bottle.
Embodiment
Embodiment 1:
1, places net cage
Utilize original stichopus japonicus pond as native pond 1, place old foster ermine cage 2 at 1 end of native pond, built sunshade net 3 is done adherance on old foster ermine cage 2; Put the net cage 4 of screen cloth, the double-deck sunshade net 5 of loam cake on the sunshade net of setting up 3, suspending, length 2.0 m of net cage 4, wide 2.0 m, high 2 meters, distance is 4m between the net cage; Fixing timber 6 in native pond 1, described net cage 4 is connected with timber 6 by stay cord 7, thereby realizes the lifting of net cage 4 easily; During May pond 1 is carried out disinfection;
2, water filling
Put preceding 15 days of seedling and inject clean filtering sea, make net cage 4 30cm that surfaces after the water filling, in case wild shrimp trash fish and harmful organisms enter;
3, put seedling
To sting seedling by the end of June at the beginning of 7 months and put in a suitable place to breed in the net cage 4 and cultivate, the physique amount of thorn seedling is 0.003～0.02g, and breeding density is 80g/m
2
4, water quality management
Sooner or later respectively survey the water temperature of net cage 4 table, bottom every day during the breed, keeps 4 upper and lower layers of water temperature of net cage between 18～32 ℃, to prevent the too high stichopus japonicus poor growth that causes of temperature;
Control stable biocoenosis form by annotating draining during the breed, in case Ascidian, pipe worm multiply, make water quality meet following standard: pH value: 7.8～8.6, dissolved oxygen＞5mg/L, nitrite＜0.05mg/L, hydrogen sulphide≤0.1mg/L, ammonia nitrogen＜0.6mg/L, transparency: 30～40cm;
Put seedling and begin water filling every day 5cm after 7 days, to increase the depth of water, making the depth of water to high temperature season (August) is 1.8m;
5, aquaculture management
Put into net cage 4 with sea cucumber compound feed every day during the breed, and the mesh bag 8 that suspends above in net cage 4 is provided with pneumatic agitator 9 on net cage 4, make the impeller 901 of pneumatic agitator 9 be positioned at mesh bag 8, realizes that by pneumatic throwing something and feeding manufactured feed evenly slowly discharges.Culturing early stage (put seedling after-by the end of July), to throw the rate of raising be 10%, and culturing mid-term (8, September), to throw the rate of raising be 5%, and culturing the later stage (October), to throw the rate of raising be 2%;
Culture the high temperature season (August) in early stage, the mid-term of breed and culture the later stage described, every 20 days replacing net cages 4, fall seedling once, when falling the seedling, thoroughly scrub, tan by the sun net cage 4, seedling size branch is put the removing Ascidian;
Gather in the crops stichopus japonicus the last ten-days period in October, the on average heavy 1.236g of opisthosoma stichopus japonicus, survival rate is 81.6%;
Embodiment 2:
1, places net cage
Utilize original stichopus japonicus pond as 1, place old foster ermine cage 2 at 1 end of native pond, built sunshade net 3 is done adherance on old foster ermine cage 2; Put the net cage 4 of screen cloth, the double-deck sunshade net 5 of loam cake on the sunshade net of setting up 3, suspending, length 3.0 m of net cage 4, wide 2.5 m, high 2.3 meters, distance is 5m between the net cage; Fixing timber 6 in native pond 1, described net cage 4 is connected with timber 6 by stay cord 7, thereby realizes the lifting of net cage 4 easily; During May pond 1 is carried out disinfection;
2, water filling
Put preceding 17 days of seedling and inject clean filtering sea, make net cage 4 35cm that surfaces after the water filling, in case wild shrimp trash fish and harmful organisms enter;
3, put seedling
To sting seedling by the end of June at the beginning of 7 months and put in a suitable place to breed in the net cage 4 and cultivate, the physique amount of thorn seedling is 0.003～0.02g, and breeding density is 90g/m
2
4, water quality management
Sooner or later respectively survey the water temperature of net cage 4 table, bottom every day during the breed, keeps 4 upper and lower layers of water temperature of net cage between 18～32 ℃, to prevent the too high stichopus japonicus poor growth that causes of temperature;
Control stable biocoenosis form by annotating draining during the breed, in case Ascidian, pipe worm multiply, make water quality meet following standard: pH value: 7.8～8.6, dissolved oxygen＞5mg/L, nitrite＜0.05mg/L, hydrogen sulphide≤0.1mg/L, ammonia nitrogen＜0.6mg/L, transparency: 30～40cm;
Put seedling and begin water filling every day 10cm after 10 days to increase the depth of water, making the depth of water to high temperature season (August) is 2m;
5, aquaculture management
Put into net cage 4 with sea cucumber compound feed every day during the breed, and the mesh bag 8 that suspends above in net cage 4 is provided with pneumatic agitator 9 on net cage 4, make the impeller 901 of pneumatic agitator 9 be positioned at mesh bag 8, realizes that by pneumatic throwing something and feeding manufactured feed evenly slowly discharges.Culturing and throwing the rate of raising early stage (putting Miao Houzhi by the end of July) is 11%, and culturing mid-term (8, September), to throw the rate of raising be 7%, and culturing the later stage (October), to throw the rate of raising be 3%;
Culture the high temperature season (August) in early stage, the mid-term of breed and culture the later stage described, every 23 days replacing net cages 4, fall seedling once, when falling the seedling, thoroughly scrub, tan by the sun net cage 4, seedling size branch is put the removing Ascidian;
Gather in the crops stichopus japonicus the last ten-days period in October, the on average heavy 1.301g of opisthosoma stichopus japonicus, survival rate is 85.7%.
1, places net cage
Utilize original stichopus japonicus pond as native pond 1, place old foster ermine cage 2 at 1 end of native pond, built sunshade net 3 is done adherance on old foster ermine cage 2; Put the net cage 4 of screen cloth, the double-deck sunshade net 5 of loam cake on the sunshade net of setting up 3, suspending, length 4.0 m of net cage 4, wide 3.0 m, high 2.5 meters, distance is 6m between the net cage; Be fixed with timber 6 in native pond 1, described net cage 4 is connected with timber 6 by stay cord 7, thereby realizes the lifting of net cage 4 easily; During May pond 1 is carried out disinfection;
2, water filling
Put preceding 20 days of seedling and inject clean filtering sea, make net cage 4 40cm that surfaces after the water filling, in case wild shrimp trash fish and harmful organisms enter;
3, put seedling
To sting seedling by the end of June at the beginning of 7 months and put in a suitable place to breed in the net cage 4 and cultivate, the physique amount of thorn seedling is 0.003～0.02g, and breeding density is 120g/m
2
4, water quality management
Sooner or later respectively survey the water temperature of net cage 4 table, bottom every day during the breed, keeps 4 upper and lower layers of water temperature of net cage between 18～32 ℃, to prevent the too high stichopus japonicus poor growth that causes of temperature;
Control stable biocoenosis form by annotating draining during the breed, in case Ascidian, pipe worm multiply, make water quality meet following standard: pH value: 7.8～8.6, dissolved oxygen＞5mg/L, nitrite＜0.05mg/L, hydrogen sulphide≤0.1mg/L, ammonia nitrogen＜0.6mg/L, transparency: 30～40cm;
Put seedling and begin water filling after 15 days, 4 times weekly, each 30cm, to increase the depth of water, making the depth of water to high temperature season (August) is 2m;
5, aquaculture management
Put into net cage 4 with sea cucumber compound feed every day during the breed, and the mesh bag 8 that suspends above in net cage 4 is provided with pneumatic agitator 9 on net cage 4, make the impeller 901 of pneumatic agitator 9 be positioned at mesh bag 8, realizes that by pneumatic throwing something and feeding manufactured feed evenly slowly discharges.Culturing early stage (put Miao Houzhi late July), to throw the rate of raising be 12%, and culturing mid-term (8, September), to throw the rate of raising be 9%, and culturing the later stage (October), to throw the rate of raising be 4%;
Culture the high temperature season (August) in early stage, the mid-term of breed and culture the later stage described, every 25 days replacing net cages 4, fall seedling once, when falling the seedling, thoroughly scrub, tan by the sun net cage 4, seedling size branch is put the removing Ascidian;
Gather in the crops stichopus japonicus the last ten-days period in October, the on average heavy 1.154g of opisthosoma stichopus japonicus, survival rate is 83.1%.
Establish the feed bottle 10 that sieve aperture, interior assembling close feed by the bottom that suspends above in net cage 4 in the aquaculture management, manufactured feed is evenly slowly discharged, other is with embodiment 1-embodiment 3.
Utilize the stichopus japonicus pond among the discarded pond replacement embodiment 1-embodiment 4, other is with embodiment 1-embodiment 4.
Claims (10)
1. a native pond net cage is cultivated the method for stinging seedling, it is characterized in that:
(1), places net cage
Utilize original stichopus japonicus pond or discarded pond, built sunshade net is done adherance at the bottom of native pond, puts the net cage of screen cloth, loam cake sunshade net on the net in the sunshade of setting up suspends, and net cage is high 2～2.5 meters, and distance is 4～6m between the net cage; During May the pond is carried out disinfection;
(2), water filling
Put preceding 15～20 days of seedling and inject clean filtering sea, make the net cage 30～40cm that surfaces after the water filling, in case wild shrimp trash fish and harmful organisms enter;
(3), put seedling
To sting seedling by the end of June at the beginning of 7 months and put in a suitable place to breed in the net cage and cultivate, the physique amount of thorn seedling is 0.003～0.02g, and breeding density is 80～120g/m
2
(4), water quality management
Sooner or later respectively survey the water temperature of net cage table, bottom every day during the breed, keeps the upper and lower layer of net cage water temperature between 18～32 ℃, to prevent the too high stichopus japonicus poor growth that causes of temperature;
Control stable biocoenosis form by annotating draining during the breed, in case Ascidian, pipe worm multiply, make water quality meet following standard: pH value: 7.8～8.6, dissolved oxygen＞5mg/L, nitrite＜0.05mg/L, hydrogen sulphide≤0.1mg/L, ammonia nitrogen＜0.6mg/L, transparency: 30～40cm;
Put seedling and begin the diligent new water increase depth of water of annotating after 7～15 days, making the depth of water to the high temperature season of culturing mid-term is 1.8～2m;
(5), aquaculture management
Put into net cage with sea cucumber compound feed and make its evenly slowly release every day during the breed, and culturing and throwing the rate of raising in earlier stage is 10～12%, and culturing throwing in the mid-term rate of raising is 5～9%, and culturing the later stage throwing rate of raising is 2～4%;
At the high temperature season of culturing early stage, the mid-term of breed with culture the later stage, every 20～25 days replacing net cages, fall seedling once, when falling the seedling, thoroughly scrub, tan by the sun net cage, the seedling size is divided put, the removing Ascidian;
Gather in the crops stichopus japonicus the last ten-days period in October.
2. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: it is by the mesh bag that suspends above in net cage that described manufactured feed evenly slowly is discharged in the net cage, pneumatic agitator is set on net cage, make the impeller of pneumatic agitator be positioned at mesh bag, realize evenly slowly discharging and playing the oxygenation effect of manufactured feed by pneumatic throwing something and feeding.
3. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: it is to establish the feed bottle that sieve aperture, interior assembling close feed by the bottom that suspends above in net cage that described manufactured feed evenly slowly is discharged in the net cage, realizes evenly slowly discharging of manufactured feed when the feed bottle is swung with the wind.
4. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: described net cage is connected with timber in being fixed on native pond by stay cord, thus the lifting of realization net cage.
5. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: long 2.0～4.0 m of described net cage, wide 2.0～3.0 m.
6. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: described built is on the sunshade net at the bottom of the native pond is fixed on old foster ermine cage at the bottom of being placed on native pond.
, the native pond according to claim 1 net cage method of cultivating the thorn seedling, it is characterized in that: describedly diligently annotate new water and be meant water filling every day 5～10cm or 3～4 times weekly, each 20～30 ㎝.
8. native pond according to claim 1 net cage is cultivated the method for thorn seedling, and it is characterized in that: described breeding density is 80～90g/m
2
9. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: the described sunshade net that is arranged on the net cage is bilayer.
10. native pond according to claim 1 net cage is cultivated the method for thorn seedling, it is characterized in that: described breeds early stage is for putting Miao Houzhi by the end of July, and breed is 8 mid-term, September, and the breed later stage is October.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101007790A CN102132679B (en) | 2011-04-21 | 2011-04-21 | Method for cultivating stichopus japonicus seedlings in earth-pond net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101007790A CN102132679B (en) | 2011-04-21 | 2011-04-21 | Method for cultivating stichopus japonicus seedlings in earth-pond net cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102132679A true CN102132679A (en) | 2011-07-27 |
| CN102132679B CN102132679B (en) | 2013-01-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104351118A (en) * | 2014-11-27 | 2015-02-18 | 苏州苏湘特种水产养殖场 | Aquaculture combined aeration system |
| CN104920263A (en) * | 2015-06-23 | 2015-09-23 | 李成启 | Marine net cage fish breeding method for increasing yield |
| CN112586435A (en) * | 2020-12-15 | 2021-04-02 | 中国水产科学研究院淡水渔业研究中心 | Aquaculture equipment and aquaculture method |
| CN114532262A (en) * | 2022-02-25 | 2022-05-27 | 凌海市达莲海珍品养殖有限责任公司 | Three-dimensional breeding method for small-sized sea cucumber fries |
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| CN104351118A (en) * | 2014-11-27 | 2015-02-18 | 苏州苏湘特种水产养殖场 | Aquaculture combined aeration system |
| CN104920263A (en) * | 2015-06-23 | 2015-09-23 | 李成启 | Marine net cage fish breeding method for increasing yield |
| CN112586435A (en) * | 2020-12-15 | 2021-04-02 | 中国水产科学研究院淡水渔业研究中心 | Aquaculture equipment and aquaculture method |
| CN112586435B (en) * | 2020-12-15 | 2023-05-09 | 中国水产科学研究院淡水渔业研究中心 | Aquaculture equipment and aquaculture method |
| CN114532262A (en) * | 2022-02-25 | 2022-05-27 | 凌海市达莲海珍品养殖有限责任公司 | Three-dimensional breeding method for small-sized sea cucumber fries |
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