CN102007880A - Method for temporarily culturing female portunus trituberculatus indoors - Google Patents
Method for temporarily culturing female portunus trituberculatus indoors Download PDFInfo
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- CN102007880A CN102007880A CN2010105781894A CN201010578189A CN102007880A CN 102007880 A CN102007880 A CN 102007880A CN 2010105781894 A CN2010105781894 A CN 2010105781894A CN 201010578189 A CN201010578189 A CN 201010578189A CN 102007880 A CN102007880 A CN 102007880A
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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 discloses a method for temporarily culturing female portunus trituberculatus indoors, which is characterized in that the method comprises the following steps: selecting a temporary-culturing pool; constructing the bottom of the pool; filling water in the pool; selecting healthy female portunus trituberculatus; and feeding fresh baits into the pool, etc. The method is used for temporarily culturing female portunus trituberculatus, and catching the female portunus trituberculatus until the market is tight around the Spring Festival, and the temporary-culturing period is 50 to 70 days. By using the method provided by the invention, the problems that a sand bed at the bottom of the original temporary-culturing pool for the female portunus trituberculatus is easy to blacken and stink, the quality of the cultivated water in the pool is deteriorated, portunus trituberculatus paranophrysiasis breaks out, and in the process of temporary culturing, the portunus trituberculatus performs mutual annihilation caused by insufficient baits for the portunus trituberculatus can be soled; and the method is simple in technical operation, and suitable to be applied to the indoor mass temporary-culturing of the female portunus trituberculatus.
Description
Technical field
The present invention relates to the indoor method for temporarily cultivating of a kind of aquatic livestock, the indoor method of supporting temporarily of the female crab of particularly a kind of Portunus trituberculatus Miers.
Background technology
Portunus trituberculatus Miers is commonly called as and flies crab, sea crab, blue crab or big crab etc., and maximum individuality can reach 700g, all carried out in China coastal provinces at present and propagated artificially, especially in Shandong, northern provinces such as Jiangsu and Hebei culture larger.Province, north cold in winter, often meet with irregular or/and low temperature for a long time, ocean temperature can be reduced to about 0 ℃, and the Portunus trituberculatus Miers that often the makes breed particularly Portunus trituberculatus Miers of autumn and winter cultivation is difficult to successfully survive the winter, so northern swimming crab was generally supported to early winter in late autumn, just results listing.But this moment swimming crab coefficient of condition deficiency, quality is not good enough; And there are shortcomings such as belly blackout usually in the pond culture swimming crab, and the market price is significantly less than wild swimming crab; Add the concentrated listing of swimming crab this moment, price is flat, influences the culture benefit of Portunus trituberculatus Miers greatly.If can take measures to ensure its safe overwintering, go on the market when market is well sold and in short supply around the Spring Festival that market and price all can be considerable, the price of especially female crab often is higher than 1 times of male crab, and profit is rich.Yet, the present Portunus trituberculatus Miers that the adopts way of surviving the winter, the morbidity of swimming crab paranophrysiasis is serious, and the lethality in the morbidity pond that has directly has influence on the economic benefit of breed and the sustainable development that Portunus trituberculatus Miers is cultured up to 100%.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, and the indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers of a kind of high-yield, efficient, environmentally friendly and diseases prevention is provided.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is the indoor method for temporarily cultivating of the female crab of a kind of Portunus trituberculatus Miers, is characterized in that its step is as follows:
(1) storage pond, holding pond is selected: in autumn and winter season, select the grow seedlings cement pit in workshop of idle shrimp crab for use, and with 20 * 10
-6~ 40 * 10
-6Liquor potassic permanganate soak 1 ~ 2 d;
(2) make up at the bottom of the pond: at the bottom of storage pond, holding pond, lay the thick gravel of one deck 5 ~ 10 cm, the gravel granularity is 2 ~ 4 mm, lays one deck 80 ~ 100 purpose bolting silks on the gravel, re-lays the thick fine sand of one deck 5 ~ 20 cm on the bolting silk, fine sand granularity 0.2 ~ 1.0 mm lays PVC oxygenation pipeline on the sand bed;
(3) add seawater injection: in storage pond, holding pond, add seawater injection, make the depth of water on the bed-sit layer of pond maintain 50 ~ 150 cm;
(4) healthy female crab is selected: select that shell is hard, energetic, body colour normal for use and body surface does not have the female crab of mating of wound, when natural temperature is reduced to 12 ~ 14 ℃, put female crab in a suitable place to breed, female crab specification be 150 ~ 250 g/ only, throw in 5 ~ 12/m of density
2Before female crab goes into storage pond, holding pond, with 150 * l0
-6~ 700 * l0
-6Formalin soak 2 ~ 5 min;
(5) bait feeding: the blue clam of the fresh food of throwing something and feeding when supporting temporarily, clam worm or small fish; Supporting 50 ~ 70 d under natural temperature temporarily gets final product.
The inventive method is to support temporarily for female crab is carried out, fish for listing and sell when market is well sold and in short supply around the Spring Festival, it supports the phase temporarily is 50 ~ 70 d, and therefore dropping into when supporting temporarily is autumn and winter season, indoor storage pond, holding pond water temperature is indoor natural temperature, and associated temperature refers generally to the water temperature that morning, 10:00 measured.
In the indoor method for temporarily cultivating technical scheme of the female crab of above-described Portunus trituberculatus Miers, preferred technical characterictic is:
1, in step (1), the area of described storage pond, holding pond is preferably 10 ~ 50 m
2
2, in step (2), leave the wide bait throwing in district of 0.5 ~ 1 m at the discharge outlet place of storage pond, holding pond in the time of at the bottom of making up the pond, the brick one-tenth in bait throwing in district is laid 80 ~ 100 mesh sieve thin,tough silk then and is blocked fine sand.
3, in step (2), gravel, bolting silk, fine sand and PVC oxygenation pipeline use 5 * 10 before use
-6~ 20 * 10
-6Liquor potassic permanganate soak 10 ~ 30 min;
4, in step (5), when supporting temporarily, day bait throwing in 2 times, daily ration, feeding quantity accounts for 70% of day bait throwing in total amount at dusk, and morning, daily ration, feeding quantity accounted for 30% of day bait throwing in total amount.
5, in step (5), when storage pond, holding pond water temperature during at 11 ~ 14 ℃, female crab daily ration of feeding is 6 ~ 10% of its body weight; When water temperature was reduced to 5 ~ 10 ℃, female crab daily ration of feeding was advisable for 0 ~ 5%(of its body weight eats up with 2 ~ 3 h); Not bait throwing in when water temperature is lower than 5 ℃.
It is smelly and water quality deterioration, Portunus trituberculatus Miers paranophrysiasis break out, it is not enough and problem such as kill and devour mutually to support in the process Portunus trituberculatus Miers bait temporarily that the inventive method has better solved the female crab storage pond, holding pond of Portunus trituberculatus Miers bed-sit layer blackout.The visit method and technology is simple to operate, and it is indoor extensive foster temporarily to be fit to be applied to the female crab of Portunus trituberculatus Miers.
Compared with prior art, the major advantage of the inventive method and the inventive method through further designing is:
(1) the high-quality fresh living baits such as blue clam, clam worm and small fish of throwing something and feeding provide high-quality protein, strengthen cold-resistant, the resistance against diseases of swimming crab, thereby improve overwintering survival rate.
(2) in time adjust daily ration, feeding quantity according to the eating habit of supporting water temperature and swimming crab temporarily, Portunus trituberculatus Miers bait Portunus trituberculatus Miers not enough or excessive and that bring thus kills and devour and supports temporarily problems such as water quality deterioration mutually in the solution breeding process.
(3) make up at the bottom of the simple and easy double-deck pond, the upper strata fine sand is hidden for Portunus trituberculatus Miers and perch daytime, prevents to kill each other; Lower floor's gravel has water flowing and air capacity of soils, and water body flows at the bottom of the promotion storage pond, holding pond, and the metabolic waste in the sand bed is in time taken away, and for Portunus trituberculatus Miers provides the comfortable latent environment of dwelling, reduces the disease incidence.Further in conjunction with the site-directed quantitative feeding technology, better solved storage pond, holding pond bed-sit layer blackout smelly, support problems such as swimming crab belly blackout and cultivate water deterioration temporarily.
(4) by each sterilizing part, in conjunction with measure at the bottom of the simple and easy double-deck pond, foster temporarily environment is good, has cut off the route of transmission of crab paranophrysiasis, and the crab paranophrysiasis is rare.
Embodiment
Below further describe concrete technical scheme of the present utility model,, and do not constitute restriction its right so that those skilled in the art understands the present invention further.
Embodiment 1.The indoor method for temporarily cultivating of the female crab of a kind of Portunus trituberculatus Miers, its step is as follows:
(1) storage pond, holding pond is selected: in autumn and winter season, select the grow seedlings cement pit in workshop of idle shrimp crab for use, and with 20 * 10
-6Liquor potassic permanganate soak 2 d;
(2) make up at the bottom of the pond: lay the thick gravel of one deck 5 cm at the bottom of storage pond, holding pond, the gravel granularity is 2 mm, lays one deck 80 purpose bolting silks on the gravel, re-lays the thick fine sand of one deck 5 cm on the bolting silk, and fine sand granularity 0.2 mm lays PVC oxygenation pipeline on the sand bed;
(3) add seawater injection: in storage pond, holding pond, add seawater injection, make the depth of water on the bed-sit layer of pond maintain 50cm;
(4) healthy female crab is selected: select that shell is hard, energetic, body colour normal for use and body surface does not have the female crab of mating of wound, when the storage pond, holding pond water temperature is reduced to 12 ℃, put female crab in a suitable place to breed, female crab specification be 150 g/ only, throw in 5/m of density
2Before female crab goes into storage pond, holding pond, with 150 * l0
-6Formalin soak 2 min;
(5) bait feeding: the blue clam of the fresh food of throwing something and feeding when supporting temporarily, clam worm or small fish; Supporting 50 d under natural temperature temporarily gets final product.
Embodiment 2.The indoor method for temporarily cultivating of the female crab of a kind of Portunus trituberculatus Miers, its step is as follows:
(1) storage pond, holding pond is selected: in autumn and winter season, select the grow seedlings cement pit in workshop of idle shrimp crab for use, and with 40 * 10
-6Liquor potassic permanganate soak 1 ~ 2 d;
(2) make up at the bottom of the pond: lay the thick gravel of one deck 10 cm at the bottom of storage pond, holding pond, the gravel granularity is 4 mm, lays one deck 100 purpose bolting silks on the gravel, re-lays the thick fine sand of one deck 20 cm on the bolting silk, and fine sand granularity 1.0 mm lay PVC oxygenation pipeline on the sand bed;
(3) add seawater injection: in storage pond, holding pond, add seawater injection, make the depth of water on the bed-sit layer of pond maintain 150 cm;
(4) healthy female crab is selected: select that shell is hard, energetic, body colour normal for use and body surface does not have the female crab of mating of wound, when the storage pond, holding pond water temperature is reduced to 14 ℃, put female crab in a suitable place to breed, female crab specification be 250 g/ only, throw in 12/m of density
2Before female crab goes into storage pond, holding pond, with 700 * l0
-6Formalin soak 5 min;
(5) bait feeding: the blue clam of the fresh food of throwing something and feeding when supporting temporarily, clam worm or small fish; Supporting 70 d under natural temperature temporarily gets final product.
Embodiment 3.Embodiment 1 or the indoor method for temporarily cultivating of the female crab of 2 described Portunus trituberculatus Miers in step (1): the area of described storage pond, holding pond is 10 ~ 50 m
2
Embodiment 4.Embodiment 1 or the indoor method for temporarily cultivating of the female crab of 2 described Portunus trituberculatus Miers in step (2): leave the wide bait throwing in district of 0.5 ~ 1 m at the discharge outlet place of storage pond, holding pond in the time of at the bottom of making up the pond, the brick one-tenth in bait throwing in district is laid 80 ~ 100 mesh sieve thin,tough silk then and is blocked fine sand.
Embodiment 5.Embodiment 1 or the indoor method for temporarily cultivating of the female crab of 2 described Portunus trituberculatus Miers in step (2): gravel, bolting silk, fine sand and PVC oxygenation pipeline use 5 * 10 before use
-6~ 20 * 10
-6Liquor potassic permanganate soak 10 ~ 30 min.
Embodiment 6.Embodiment 1 or the indoor method for temporarily cultivating of the female crab of 2 described Portunus trituberculatus Miers in step (5): when supporting temporarily, day bait throwing in 2 times, daily ration, feeding quantity accounts for 70% of day bait throwing in total amount at dusk, morning, daily ration, feeding quantity accounted for 30% of day bait throwing in total amount.
Embodiment 7.Embodiment 1 or the indoor method for temporarily cultivating of the female crab of 2 or 6 described Portunus trituberculatus Miers in step (1): in step (5), when storage pond, holding pond water temperature during at 11 ~ 14 ℃, female crab daily ration of feeding is 6 ~ 10% of its body weight; When water temperature was reduced to 5 ~ 10 ℃, female crab daily ration of feeding was 0 ~ 5% of its body weight; Not bait throwing in when water temperature is lower than 5 ℃.
Embodiment 8.The indoor method for temporarily cultivating experiment of the female crab of Portunus trituberculatus Miers.
The Portunus trituberculatus Miers storage pond, holding pond is grow seedlings 12 of the cement pits in workshop of idle shrimp crab aquatic fry growing field, Ganyu County autumn and winter, the about 36m of each pond floor space
2, with preceding usefulness 30 * 10
-6Liquor potassic permanganate soak 2d.Lay the thick sandstone of about 8cm at the bottom of the pond, one deck 80 purpose bolting silks in upper berth re-lay the thick fine sand of about 15cm on the bolting silk.Leave the wide bait throwing in district of 0.8m at the discharge outlet place, the way of spreading 80 mesh sieve thin,tough silk is then blocked sand bed with laying bricks.Lay PVC oxygenation pipeline on the sand bed, the filling sand filter seawater is to the about 100cm of the depth of water on the sand bed.Gravel, bolting silk, fine sand and PVC oxygenation pipeline use preceding with 10 * 10
-6Disinfecting solution of potassium permanganate 20min.Select that shell is hard, energetic for use, body colour is normal and body surface does not have the female crab of mating of wound, puts female crab when the storage pond, holding pond water temperature is reduced to 13 ℃ in a suitable place to breed, specification 215g/ only throws in 10/m of density
2Before female crab goes into the pond, with 300 * l0
-6Formalin is soaked 4min.Support the fresh foods such as blue clam, clam worm and small fish of throwing something and feeding in the process temporarily, day bait throwing in twice, daily ration, feeding quantity accounts for 70% of total amount at dusk, and morning, daily ration, feeding quantity accounted for 30% of total amount; When storage pond, holding pond water temperature during at 11 ~ 14 ℃, the swimming crab daily ration, feeding quantity is by 6 ~ 10% of body weight; During 5 ~ 10 ℃ of water temperatures, the swimming crab daily ration, feeding quantity is by 0 ~ 5% of body weight, eats up with 2h and is advisable.Supporting 67d temporarily sells.Experimental result sees the following form.Through supporting temporarily, Portunus trituberculatus Miers can wholely rise in value 2.7 times, and benefit is very remarkable.
| Experimental index | Suppose and support preceding the sale temporarily | Supporting the back temporarily sells |
| Female crab average weight (kg/36m 2） | 77.40 | 73.09 |
| Female crab average survival (%) | 100 | 84.6 |
| The market price (unit/kg) | 60 | 240 |
| The gross output value (unit) | 4644 | 17542 |
| On average form this (unit/36m temporarily 2） | - | 5012 |
| Benefit improves (doubly) | - | 2.7 |
Claims (6)
1. indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers is characterized in that its step is as follows:
(1) storage pond, holding pond is selected: in autumn and winter season, select the grow seedlings cement pit in workshop of idle shrimp crab for use, and with 20 * 10
-6~ 40 * 10
-6Liquor potassic permanganate soak 1 ~ 2 d;
(2) make up at the bottom of the pond: at the bottom of storage pond, holding pond, lay the thick gravel of one deck 5 ~ 10 cm, the gravel granularity is 2 ~ 4 mm, lays one deck 80 ~ 100 purpose bolting silks on the gravel, re-lays the thick fine sand of one deck 5 ~ 20 cm on the bolting silk, fine sand granularity 0.2 ~ 1.0 mm lays PVC oxygenation pipeline on the sand bed;
(3) add seawater injection: in storage pond, holding pond, add seawater injection, make the depth of water on the bed-sit layer of pond maintain 50 ~ 150 cm;
(4) healthy female crab is selected: select that shell is hard, energetic, body colour normal for use and body surface does not have the female crab of mating of wound, when the storage pond, holding pond water temperature is reduced to 12 ~ 14 ℃, put female crab in a suitable place to breed, female crab specification be 150 ~ 250 g/ only, throw in 5 ~ 12/m of density
2Before female crab goes into storage pond, holding pond, with 150 * l0
-6~ 700 * l0
-6Formalin soak 2 ~ 5 min;
(5) bait feeding: the blue clam of the fresh food of throwing something and feeding when supporting temporarily, clam worm or small fish; Supporting 50 ~ 70 d under natural temperature temporarily gets final product.
2. the indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers according to claim 1 is characterized in that: in step (1), the area of described storage pond, holding pond is 10 ~ 50 m
2
3. the indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers according to claim 1, it is characterized in that: in step (2), leave the wide bait throwing in district of 0.5 ~ 1 m at the discharge outlet place of storage pond, holding pond in the time of at the bottom of making up the pond, the brick one-tenth in bait throwing in district is laid 80 ~ 100 mesh sieve thin,tough silk then and is blocked fine sand.
4. the indoor method for temporarily cultivating of the female crab of a kind of Portunus trituberculatus Miers as claimed in claim 1 is characterized in that: in step (2), gravel, bolting silk, fine sand and PVC oxygenation pipeline use 5 * 10 before use
-6~ 20 * 10
-6Liquor potassic permanganate soak 10 ~ 30 min.
5. the indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers according to claim 1 is characterized in that: in step (5), and when supporting temporarily, day bait throwing in 2 times, daily ration, feeding quantity accounts for 70% of day bait throwing in total amount at dusk, and morning, daily ration, feeding quantity accounted for 30% of day bait throwing in total amount.
6. the indoor method for temporarily cultivating of the female crab of Portunus trituberculatus Miers according to claim 1 or 5 is characterized in that: in step (5), when storage pond, holding pond water temperature during at 11 ~ 14 ℃, female crab daily ration of feeding is 6 ~ 10% of its body weight; When water temperature was reduced to 5 ~ 10 ℃, female crab daily ration of feeding was 0 ~ 5% of its body weight; Not bait throwing in when water temperature is lower than 5 ℃.
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308771A (en) * | 2011-08-16 | 2012-01-11 | 宁波大学 | Blue crab-fattening temporary culture method and berried crab culture method |
| CN103141426A (en) * | 2013-03-28 | 2013-06-12 | 中国水产科学研究院黄海水产研究所 | Method for efficiently breeding blue crabs |
| CN103609493A (en) * | 2013-11-26 | 2014-03-05 | 江苏省淡水水产研究所 | Method for increasing overwintering survival rate of large river egg-carrying crabs |
| CN103960545A (en) * | 2014-05-21 | 2014-08-06 | 淮海工学院 | Temporary rearing baits suitable for female portunus trituberculatus |
| CN105961223A (en) * | 2016-01-04 | 2016-09-28 | 青岛蟹生活生物科技有限公司 | Method for temporary seawater culture of freshwater crabs |
| CN106818573A (en) * | 2016-12-29 | 2017-06-13 | 浙江海洋大学 | Catch wild swimming crab sand basin fattening cultivation method in a kind of sea |
| CN107897072A (en) * | 2017-11-15 | 2018-04-13 | 浙江海洋大学 | A kind of P.sanguinolentus parent crab indoors artificial breeding method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308771A (en) * | 2011-08-16 | 2012-01-11 | 宁波大学 | Blue crab-fattening temporary culture method and berried crab culture method |
| CN103141426A (en) * | 2013-03-28 | 2013-06-12 | 中国水产科学研究院黄海水产研究所 | Method for efficiently breeding blue crabs |
| CN103141426B (en) * | 2013-03-28 | 2014-07-16 | 中国水产科学研究院黄海水产研究所 | Method for efficiently breeding blue crabs |
| CN103609493A (en) * | 2013-11-26 | 2014-03-05 | 江苏省淡水水产研究所 | Method for increasing overwintering survival rate of large river egg-carrying crabs |
| CN103609493B (en) * | 2013-11-26 | 2015-12-02 | 江苏省淡水水产研究所 | Improve the method for large gauge river crab ovigerous crab overwintering survival rate |
| CN103960545A (en) * | 2014-05-21 | 2014-08-06 | 淮海工学院 | Temporary rearing baits suitable for female portunus trituberculatus |
| CN103960545B (en) * | 2014-05-21 | 2015-12-02 | 淮海工学院 | A kind of foster temporarily bait being applicable to the female crab of Portunus trituberculatus Miers |
| CN105961223A (en) * | 2016-01-04 | 2016-09-28 | 青岛蟹生活生物科技有限公司 | Method for temporary seawater culture of freshwater crabs |
| CN106818573A (en) * | 2016-12-29 | 2017-06-13 | 浙江海洋大学 | Catch wild swimming crab sand basin fattening cultivation method in a kind of sea |
| CN106818573B (en) * | 2016-12-29 | 2020-06-16 | 浙江海洋大学 | Sea-caught wild swimming crab sand pond fattening breeding method |
| CN107897072A (en) * | 2017-11-15 | 2018-04-13 | 浙江海洋大学 | A kind of P.sanguinolentus parent crab indoors artificial breeding method |
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Application publication date: 20110413 |