CN105010184A - Macrobrachium nipponensis cement pool intensive artificial hatching method - Google Patents
Macrobrachium nipponensis cement pool intensive artificial hatching method Download PDFInfo
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- CN105010184A CN105010184A CN201510395776.2A CN201510395776A CN105010184A CN 105010184 A CN105010184 A CN 105010184A CN 201510395776 A CN201510395776 A CN 201510395776A CN 105010184 A CN105010184 A CN 105010184A
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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
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Abstract
The invention provides a macrobrachium nipponensis cement pool intensive artificial hatching method, and relates to the field of macrobrachium nipponensis culture technology. The method comprises the following steps: 1, using an indoor cement pool, before putting young macrobrachium nipponensis, scrubbing clean the cement pool firstly, then adding water, carrying out disinfection, emptying the water in the pool every one day, refilling the pool with new water, filtering the new water by use of an 80-mesh screen mesh when the pool is refilled with the new water, and when the water temperature in the pool rises to more than 20 DEG C, preferentially putting egg-carrying macrobrachium nipponensis which have similar growth degrees and are about to mature into a net cage in the cement pool for hatching, wherein the putting density of the macrobrachium nipponensis is 3000-5000 per pool; and 2, after juveniles of the macrobrachium nipponensis are hatched, trapping the juveniles to a scope of a water surface by use of light, dragging the juveniles out by use of the dense-mesh net case, concentrating the juveniles at one corner of the net cage, and then scooping the juveniles out by use of utensils. The method provided by the invention can realize intensive hatching in an indoor environment, the hatching conditions are conveniently controlled, the hatching rate in unit area is high, the hatched young macrobrachium nipponensis has good physique, the survival rate is high, and the catching is convenient.
Description
Technical field
The present invention relates to shrimp culture technical field, particularly relate to the method for intensive artificial incubation in a kind of freshwater shrimp cement pit.
Background technology
Freshwater shrimp (Macrobrachium nipponensis), formal name used at school Japanese macrobrachium supernbum, belongs to Crustachia, Decapoda, Palaemonidae.Be strong adaptability in freshwater, distribution is wide, feeding habits are mixed, grow fast, fine and tender taste, the famous and precious aquatic products that delicious in taste, economic worth is very high, deeply look at by consumer parent.The major production areas of freshwater shrimp is in the Yangtze river basin, and all there is breeding scale on the ground such as Jiangsu, Anhui, Shanghai, Zhejiang, Fujian, Jiangxi, Guangdong, Hunan, Hubei, Sichuan, Hebei, Henan, Shandong.The cultivation gross yield of whole nation freshwater shrimp is all at about 220,000 t, and wherein Jiangsu Province's output is the highest, accounts for about 46% of national output, is secondly Anhui (accounting for 18%), Zhejiang (accounting for 9%), Hubei (accounting for 9%).
Cultivation, the raising technology of China freshwater shrimp just began one's study at the end of the nineties.But for many years, the fine-variety breeding of freshwater shrimp and the artificial breeding technique of seed scale are not yet broken through.Enter 21 century, due to the increase with market demand that improves constantly of people's level of consumption, the natural output of freshwater shrimp reduces in addition, and colony's specification reduces, and the output of freshwater shrimp can not meet the needs of domestic market, more can not meet the needs of overseas market.Therefore, the provinces and cities such as Hubei, Anhui, Zhejiang, Shanghai are studied the breeding of freshwater shrimp, cultivation, but because the freshwater shrimp life-span is short, fertility is strong, and pond culture specification is irregular, and size difference is larger, cultured output is always lower, culturist does not reach desirable benefit, and add that freshwater shrimp kind matter is degenerated serious in recent years, colony's specification is less than normal; Commodity rate is low, thus causes the area of shrimp culture and output to be difficult to expand and improve always.
Along with the continuous expansion of shrimp culture scale, the develop rapidly of production, also there are problems in shrimp culture industry, as uneven in shrimp culture technical merit, cultural technique is lack of standardization, and freshwater shrimp kind matter is degenerated, and sexual maturity ahead of time, disease increases, pattern is single etc., causes freshwater shrimp commodity rate low, and grade declines, the market competitiveness is not strong, has a strong impact on the sound development of shrimp culture.
Freshwater shrimp kind matter is degenerated, freshwater shrimp shrimp seedling is under-supply.
Freshwater shrimp is strong adaptability in freshwater, distribution is wide, feeding habits are mixed, it is fast to grow, fine and tender taste, the famous and precious aquatic products that delicious in taste, economic worth is very high, deeply looks at by consumer parent.Anhui Province's water surface aboundresources, be the important cultivation area of freshwater shrimp, output is only second to Jiangsu, and because freshwater shrimp market price remains high always, fisherman is always very high to the cultivation enthusiasm of freshwater shrimp.
But the deficiency of shrimp seedling, the especially deficiency of high-quality shrimp seedling, limit the expansion of shrimp culture scale, become the bottleneck of freshwater shrimp industry development; Because cultural technique is lack of standardization, cause freshwater shrimp kind matter to be degenerated, make shrimp culture family decline in benefits; Seed rearing survival rate is on the low side, makes raiser take in minimizing.
Select the freshwater shrimp kind that proterties is excellent, ensure the supply of high-quality freshwater shrimp seed, specification freshwater shrimp seed rearing and one-tenth shrimp aquaculture technology, become the problem that freshwater shrimp industry development need solve.
Summary of the invention
The object of the present invention is to provide the method for intensive artificial incubation in a kind of freshwater shrimp cement pit, to solve the problem.
Technical problem to be solved by this invention realizes by the following technical solutions:
A method for intensive artificial incubation in freshwater shrimp cement pit, is characterized in that, comprises the following steps:
(1) with indoor cement pit, its length and width, deeply respectively 5m, 3m and 1.2m, energising in cement pit, water flowing, ventilation; Before putting seedling, first cement pit is scrubbed clean, then add water, Xiang Shuizhong adds bleaching powder 1.5-2ppm and carries out disinfection, every 1 day, drain Chi Shui, again new water is annotated again to 3/4 of cement pit volume, annotate new water time with 80 eye mesh screens filter, drop in the new water of filling, fruit of Cherokee rose 35g, thizoma curculiginis 65g, PORIA ALBA 48g, fruit of glossy privet 55g, bark of eucommia 76g, Radix Glycyrrhizae 95g, treat more than pool inner water temperature rise to 20 DEG C, just can preferably development degree is similar and connect the net cage that maturescent oogenesis freshwater shrimp puts into cement pit and hatch; Cage size 2m × 1m × 1m, mesh goes out not go with prawn, and the young can freely be come in and gone out as principle; Placing a small amount of weter hyacinth through sterilizing in net cage, hiding in order to freshwater shrimp and perching; The input density of parent shrimp is 3000-5000/pond;
(2), after the freshwater shrimp young hatches, utilize light to be lured by the young collection within the scope of one of the water surface, then with close eye net cage, the young is hauled out, and the young is concentrated on one jiao, net cage, then scoop out with utensil.
Management method between the incubation period is:
1. throw and raise, feed throws in bait disc ad hoc in net cage or on weter hyacinth, bait throwing in should be appropriate, eats up as degree in 1-2 hour;
2. oxygenation, Bubbled stone 8-10 is established in every pond, every day While settling increase the oxygen, to guarantee that pond water-soluble oxygen is sufficient, the blowing pressure forms bubble with Bubbled stone and does not dig the spray at water surface and be advisable in water;
3. water is changed in blowdown, cement pit blowdown rubber tube, is absorbed by the dirt sunk to the bottom, then pours into new water to former water level; Blowdown every day 1 time, supplements new water to former water level at every turn again after changing water liquid level decline 5-10cm; After changing water at every turn, the fruit of Cherokee rose of the immersion in cement pit, thizoma curculiginis, PORIA ALBA, the fruit of glossy privet, the bark of eucommia, Radix Glycyrrhizae are pulled out, again drops into, fruit of Cherokee rose 3.5g, thizoma curculiginis 6.5g, PORIA ALBA 4.8g, fruit of glossy privet 5.5g, bark of eucommia 7.6g, Radix Glycyrrhizae 9.5g;
4. check hatching situation in time, every day checks, shrimp of not only will checkmating skims, and also the complete close shrimp of hatching will be sorted out to sell or put back to parent Chi Jixu and feed, use for next time again; Should carefully operate, in order to avoid shrimp body is frightened injured during inspection.
The invention has the beneficial effects as follows:
Method of the present invention can realize intensive hatching in indoor, and incubation condition is convenient to control, and in unit are, incubation rate is high, and the freshwater shrimp seedling hatched is physically fit, and survival rate is high, fishes for conveniently.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, set forth the present invention further, but following embodiment being only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection scope of the present invention.
Embodiment 1
A method for intensive artificial incubation in freshwater shrimp cement pit, with the cement pit of indoor, its length and width, deeply respectively 5m, 3m and 1.2m, energising in cement pit, water flowing, ventilation; Before putting seedling, first cement pit is scrubbed clean, then add water, Xiang Shuizhong adds bleaching powder 1.5-2ppm and carries out disinfection, every 1 day, drain Chi Shui, again new water is annotated again to 3/4 of cement pit volume, annotate new water time with 80 eye mesh screens filter, drop in the new water of filling, fruit of Cherokee rose 35g, thizoma curculiginis 65g, PORIA ALBA 48g, fruit of glossy privet 55g, bark of eucommia 76g, Radix Glycyrrhizae 95g, treat more than pool inner water temperature rise to 20 DEG C, just can preferably development degree is similar and connect the net cage that maturescent oogenesis freshwater shrimp puts into cement pit and hatch; Cage size 2m × 1m × 1m, mesh goes out not go with prawn, and the young can freely be come in and gone out as principle; Placing a small amount of weter hyacinth through sterilizing in net cage, hiding in order to freshwater shrimp and perching; The input density of parent shrimp is 3000-5000/pond;
Management method between the incubation period is:
1. throw and raise, feed throws in bait disc ad hoc in net cage or on weter hyacinth, bait throwing in should be appropriate, eats up as degree in 1-2 hour;
2. oxygenation, Bubbled stone 8-10 is established in every pond, every day While settling increase the oxygen, to guarantee that pond water-soluble oxygen is sufficient, the blowing pressure forms bubble with Bubbled stone and does not dig the spray at water surface and be advisable in water;
3. water is changed in blowdown, cement pit blowdown rubber tube, is absorbed by the dirt sunk to the bottom, then pours into new water to former water level; Blowdown every day 1 time, supplements new water to former water level at every turn again after changing water liquid level decline 5-10cm; After changing water at every turn, the fruit of Cherokee rose of the immersion in cement pit, thizoma curculiginis, PORIA ALBA, the fruit of glossy privet, the bark of eucommia, Radix Glycyrrhizae are pulled out, again drops into, fruit of Cherokee rose 3.5g, thizoma curculiginis 6.5g, PORIA ALBA 4.8g, fruit of glossy privet 5.5g, bark of eucommia 7.6g, Radix Glycyrrhizae 9.5g.
4. check hatching situation in time, every day checks, shrimp of not only will checkmating skims, and also the complete close shrimp of hatching will be sorted out to sell or put back to parent Chi Jixu and feed, use for next time again; Should carefully operate, in order to avoid shrimp body is frightened injured during inspection.
(2), after the freshwater shrimp young hatches, utilize light to be lured by the young collection within the scope of one of the water surface, then with close eye net cage, the young is hauled out, and the young is concentrated on one jiao, net cage, then scoop out with utensil.
Experimental data:
Associating Anhui Science and Technology College of Kong Jinhu agricultural development Co., Ltd, 2013-2015 carries out the experiment of intensive artificial incubation in freshwater shrimp cement pit on farm, Kong Jin lake, Bengbu, Anhui Province.
A group is experimental group, carries out intensive artificial incubation experiment in freshwater shrimp cement pit according to the method for above-described embodiment 1;
B group is control group, and conventionally carry out freshwater shrimp hatching in pond out of doors, air ponds area is 3 times of cement pit area in embodiment 1;
A group and B component do not throw in close shrimp 3000, and experimental result is as follows:
A group hatches qualified commodity freshwater shrimp seedling 350,000, and seedling is thrown in survival rate 89.25%, B group and breeds out qualified commodity freshwater shrimp seedling 290,000, and seedling throws in survival rate 72.3%.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification is only preference of the present invention; be not used for limiting the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a method for intensive artificial incubation in freshwater shrimp cement pit, is characterized in that, comprise the following steps:
(1) with indoor cement pit, its length and width, deeply respectively 5m, 3m and 1.2m, energising in cement pit, water flowing, ventilation; Before putting seedling, first cement pit is scrubbed clean, then add water, Xiang Shuizhong adds bleaching powder 1.5-2ppm and carries out disinfection, every 1 day, drain Chi Shui, again new water is annotated again to 3/4 of cement pit volume, annotate new water time with 80 eye mesh screens filter, drop in the new water of filling, fruit of Cherokee rose 35g, thizoma curculiginis 65g, PORIA ALBA 48g, fruit of glossy privet 55g, bark of eucommia 76g, Radix Glycyrrhizae 95g, treat more than pool inner water temperature rise to 20 DEG C, just can preferably development degree is similar and connect the net cage that maturescent oogenesis freshwater shrimp puts into cement pit and hatch; Cage size 2m × 1m × 1m, mesh goes out not go with prawn, and the young can freely be come in and gone out as principle; Placing a small amount of weter hyacinth through sterilizing in net cage, hiding in order to freshwater shrimp and perching; The input density of parent shrimp is 3000-5000/pond;
(2), after the freshwater shrimp young hatches, utilize light to be lured by the young collection within the scope of one of the water surface, then with close eye net cage, the young is hauled out, and the young is concentrated on one jiao, net cage, then scoop out with utensil.
2. the method for intensive artificial incubation in freshwater shrimp cement pit according to claim 1, it is characterized in that, the management method between the incubation period is:
1. throw and raise, feed throws in bait disc ad hoc in net cage or on weter hyacinth, bait throwing in should be appropriate, eats up as degree in 1-2 hour;
2. oxygenation, Bubbled stone 8-10 is established in every pond, every day While settling increase the oxygen, to guarantee that pond water-soluble oxygen is sufficient, the blowing pressure forms bubble with Bubbled stone and does not dig the spray at water surface and be advisable in water;
3. water is changed in blowdown, cement pit blowdown rubber tube, is absorbed by the dirt sunk to the bottom, then pours into new water to former water level; Blowdown every day 1 time, supplements new water to former water level at every turn again after changing water liquid level decline 5-10cm; After changing water at every turn, the fruit of Cherokee rose of the immersion in cement pit, thizoma curculiginis, PORIA ALBA, the fruit of glossy privet, the bark of eucommia, Radix Glycyrrhizae are pulled out, again drops into, fruit of Cherokee rose 3.5g, thizoma curculiginis 6.5g, PORIA ALBA 4.8g, fruit of glossy privet 5.5g, bark of eucommia 7.6g, Radix Glycyrrhizae 9.5g;
4. check hatching situation in time, every day checks, shrimp of not only will checkmating skims, and also the complete close shrimp of hatching will be sorted out to sell or put back to parent Chi Jixu and feed, use for next time again; Should carefully operate, in order to avoid shrimp body is frightened injured during inspection.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107279009A (en) * | 2017-08-16 | 2017-10-24 | 山东省海洋生物研究院 | A kind of method that Macrobrachium rosenbergii hatching is bred |
| CN111296340A (en) * | 2020-04-10 | 2020-06-19 | 广西壮族自治区水产科学研究院 | Bionic procambarus clarkii fry breeding method |
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| KR101355382B1 (en) * | 2010-12-24 | 2014-02-20 | 조정선 | Shrimps Farm and Construction Method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101355382B1 (en) * | 2010-12-24 | 2014-02-20 | 조정선 | Shrimps Farm and Construction Method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107279009A (en) * | 2017-08-16 | 2017-10-24 | 山东省海洋生物研究院 | A kind of method that Macrobrachium rosenbergii hatching is bred |
| CN111296340A (en) * | 2020-04-10 | 2020-06-19 | 广西壮族自治区水产科学研究院 | Bionic procambarus clarkii fry breeding method |
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Application publication date: 20151104 |
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