CN105340800A - Pond co-culture technology for crayfishes and yellow catfishes - Google Patents
Pond co-culture technology for crayfishes and yellow catfishes Download PDFInfo
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- CN105340800A CN105340800A CN201510815356.5A CN201510815356A CN105340800A CN 105340800 A CN105340800 A CN 105340800A CN 201510815356 A CN201510815356 A CN 201510815356A CN 105340800 A CN105340800 A CN 105340800A
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- pond
- net cage
- water
- cray
- yellow cartfish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- 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
Abstract
The invention relates to a pond co-culture technology for crayfishes and yellow catfishes. The technology is characterized by co-culturing crayfishes and yellow catfishes, which are a predating variety and a predated variety, in a same pond; the technology is a technology of preventing a floating expanded feed from floating out of a net cage by adhering a plastic film on the net cage. According to a technical scheme adopted by the pond co-culture technology for crayfishes and yellow catfishes, the technology comprises the steps of: I, separated culture of crayfishes and yellow catfishes in the net cage; II, pond condition and preparation; III, structure and placement of the net cage; IV, fry throwing and culture; and V, cultural management. The crayfishes and yellow catfishes, which are a predating variety and a predated variety, are co-cultured in the same pond, so that two high additional value brand-name and high-quality aquatic product varieties which cannot be output by virtue of a conventional technology can be output in one pond. Therefore, the cultural water level is reasonably utilized, and the economical benefit is improved. By adhering the plastic film on the net cage, the floating expanded feed is prevented from floating out of the net cage, so that the cultural cost is saved and lowered.
Description
Technical field
Patent of the present invention relates to cray healthy aquaculture field, belongs to agrotechnique category.
Background technology
According to the knowledge of the applicant, cray and yellow cartfish are all the special aquatic products kinds of name be received by the market very much, and cray belongs to fresh water crustacean, dwells and creep in the battalion end; Pelteobagrus grouper class, lower floor's swimming activity in water body is a kind of ferociousness carnivore; Therefore cray and yellow cartfish be grazing eclipse with by the relation of grazing eclipse, both cultivation are in same a bite pond, and yellow cartfish will eat up cray.Therefore culturist by these two kinds of aquacultures in same a bite pond, also never dare not carry out this aquaculture model.But both are identical to the requirement of water quality, live in water bottom for one and seek life of creeping, a parade, in the middle of water body, is raised together with and can make full use of Water space in a pond, reach the object increased production and improved productivity.Together with cray is just raised together with flower silver carp by traditional cray aquaculture model, the flower silver carp market price is lower, thus causes the economic benefit of pond culture low.This situation can not be resolved always.
Summary of the invention
Cray and its object of yellow cartfish pond polyculture technology, be for current cray artificial propagation techniques, culturist relies on the seed shrimp natural propagation of retaining in pond, and as the seed cultivating into shrimp, within 1 year, only results one season becomes shrimp.Owing to being the seed shrimp natural propagation of retaining, the quantity of shrimp seedling and quality are all uncontrollable, and seedling-growing time is late and very asynchronous, and therefore shrimp seedling specification is uneven, and fry quality is poor.Cause the seed of pond culture deficiency, yield poorly; Fry quality is bad, and growth rate is slow; Seedling-growing time is late, and vegetative period shortens, and causes individual specification less than normal; Thus the problem that the economic benefit of pond culture is low is caused, a kind of cray efficient health cultural technique summed up by research and scale up test.
Cray and yellow cartfish pond polyculture technology, be characterized in by cray and yellow cartfish this to grazing eclipse with raised together with pond by the realization of grazing eclipse kind; Utilize net cage to paste plastic foil, stop buoyancy expanding feed floating technology of going out from net cage.
The technical scheme that cray and yellow cartfish pond polyculture technology adopt is:
One, utilize net cage that cray and yellow cartfish are separated cultivation
Cray and yellow cartfish are all the special aquatic products kinds of name be received by the market very much, and cray belongs to fresh water crustacean, dwells and creep in the battalion end; Pelteobagrus grouper class, lower floor's swimming activity in water body is a kind of ferociousness carnivore; Therefore cray and yellow cartfish be grazing eclipse with by the relation of grazing eclipse, both cultivation are in same a bite pond, and yellow cartfish will eat up cray.But both are identical to the requirement of water quality, live in water bottom for one and to creep life, a parade, in the middle of water body, is raised together with and can make full use of Water space in a pond, reach the object increased production and improved productivity.We utilize net cage cray and yellow cartfish to be separated, and yellow cartfish is supported in the net cage in pond, and cray is supported outside pond net box, does not interfere with each other and complements one another, making full use of Water space, increasing production and improying productivity.Cray 250 ~ 300 kilograms can be produced in every mu of pond, and yellow cartfish 300 ~ 400 kilograms, the output value is more than 15000 yuan.
Two, pond condition and preparation
Pond area is not limit, but with 5 to 10 mu as well, pond requires more than depth of water 2.5m, has independently culvert system, the low row of high filling.Water body answers water quality good, water temperature and stable level.The submerged plants such as water caltrop, hydrilla verticillata, eel grass, waterweed will be planted after cleaning up the pond in pond, and plant the rear pond disinfection of grass, what mud was more also will shift to an earlier date desilting.
Three, the structure of net cage and placement
Net cage with rectangle as well, be advisable with 4X3X2m by area, and net cage material is the vinyon mesh sheet of mesh 1cm, and yellow cartfish seedling can not escape from net cage from mesh.Net cage surfaces 30 ~ 40cm, and there is the plastic foil that a circle 10cm is high net cage and water surface contact position, plays a part to stop that the artificial expanded pellet diet of yellow cartfish floats toward case in net cage.The exaggerated corner of net cage has the bamboo pole of gang rope and fixed cage or steel wire to be connected, and plays fixed cage; Net cage infraclass outer rim is stitched with stone or other weight silver coins, rise maintenance net cage entirety tenesmus, shaping, do not wave with current.
Net cage is placed on pond and the various water body can placing net cage, and net cage is placed in water body, and with bamboo pole, fixation with steel wire, net cage exceeds the water surface 30 ~ 40cm.The neat fixed placement that net cage is in a row embarked on journey is in water body, and interval 80 ~ 100cm between case and case, between row and row interval 2 ~ 3m, 5 ~ 10 net cages are settled in every mu of pond.
Four, seed is thrown in and cultivation
(1) cray seed is thrown in and cultivation
9 ~ October throws in cray 1cm juvenile prawn to ready pond, throws in 2.5 ~ 30,000 tails for every mu, and juvenile prawn throws in farmyard manure or the bio-fertilizer rich water of front fermentation, cultivates the food organisms that juvenile prawn is agreeable to the taste.Juvenile prawn throws in 1 ~ 2 feed of throwing something and feeding rear every day.When water temperature is lower than 10 DEG C, do not throw something and feed in pond.In March after the coming year, when water temperature rises to more than 10 DEG C, start to throw something and feed, when water temperature rises to more than 17 DEG C, strengthen throwing something and feeding, 1 feed of throwing something and feeding every day, feeding volume is that 2% ~ 6% of shrimp total amount is deposited in pond, throws something and feeds time at dusk.Start mid-April to fish for into shrimp every day by large-mesh cage, often fish for 10 kilograms and become shrimp, mend throwing 2 ~ 3 kilograms of 3 ~ 5cm juvenile prawns, fish for and be continued until at the beginning of by the end of July or 8 months.
(2) yellow cartfish seed is thrown in and cultivation
4 ~ May throws in 3 ~ 4cm yellow cartfish juvenile prawn to ready net cage, and 1000 tails thrown in by each net cage, throw something and feed every day 3 ~ 4 times, the artificial expanded pellet diet of yellow cartfish of throwing something and feeding, and feeding volume is that 4% ~ 8% of fish total amount deposited by net cage, starts results October.
Five, aquaculture management
1, water quality is controlled.Timing adding water, added water once every 3 ~ 5 days, amount of water 10 ~ 20cm; If any the double-jacket tube drainage system of stable pond water level, then intermittently do not add water every day, carry out micro-flowing water culture.While settling increase the oxygen, high temperature season noon every day and zero time after open aerator oxygenation.Periodic detection water quality, controls water quality according to detection case adjustment.
2, the pool and record is patrolled.Every day, the pool was patrolled in timing, and carry out water temperature, throw something and feed etc. cultivates the record of situation.
the invention has the beneficial effects as follows:
Cray and yellow cartfish this to grazing eclipse with raised together with pond by the realization of grazing eclipse kind, thus reach a bite pond can output conventional art can not the famous-brand and high-quality aquatic products kind of two kinds of high added values of output.Both Appropriate application water surface for aquaculture, turn improved economic benefit.
Utilize net cage to paste plastic foil, stop that buoyancy expanding feed is floating from net cage and go out, thus save and reduce aquaculture cost.
Embodiment
The technical scheme that cray and yellow cartfish pond polyculture technology adopt is:
One, utilize net cage that cray and yellow cartfish are separated cultivation
Cray and yellow cartfish are all the special aquatic products kinds of name be received by the market very much, and cray belongs to fresh water crustacean, dwells and creep in the battalion end; Pelteobagrus grouper class, lower floor's swimming activity in water body is a kind of ferociousness carnivore; Therefore cray and yellow cartfish be grazing eclipse with by the relation of grazing eclipse, both cultivation are in same a bite pond, and yellow cartfish will eat up cray.But both are identical to the requirement of water quality, live in water bottom for one and to creep life, a parade, in the middle of water body, is raised together with and can make full use of Water space in a pond, reach the object increased production and improved productivity.We utilize net cage cray and yellow cartfish to be separated, and yellow cartfish is supported in the net cage in pond, and cray is supported outside pond net box, does not interfere with each other and complements one another, making full use of Water space, increasing production and improying productivity.Cray 250 ~ 300 kilograms can be produced in every mu of pond, and yellow cartfish 300 ~ 400 kilograms, the output value is more than 15000 yuan.
Two, pond condition and preparation
Pond area is not limit, but with 5 to 10 mu as well, pond requires more than depth of water 2.5m, has independently culvert system, the low row of high filling.Water body answers water quality good, water temperature and stable level.The submerged plants such as water caltrop, hydrilla verticillata, eel grass, waterweed will be planted after cleaning up the pond in pond, and plant the rear pond disinfection of grass, what mud was more also will shift to an earlier date desilting.
Three, the structure of net cage and placement
Net cage with rectangle as well, be advisable with 4X3X2m by area, and net cage material is the vinyon mesh sheet of mesh 1cm, and yellow cartfish seedling can not escape from net cage from mesh.Net cage surfaces 30 ~ 40cm, and there is the plastic foil that a circle 10cm is high net cage and water surface contact position, plays a part to stop that the artificial expanded pellet diet of yellow cartfish floats toward case in net cage.The exaggerated corner of net cage has the bamboo pole of gang rope and fixed cage or steel wire to be connected, and plays fixed cage; Net cage infraclass outer rim is stitched with stone or other weight silver coins, rise maintenance net cage entirety tenesmus, shaping, do not wave with current.
Net cage is placed on pond and the various water body can placing net cage, and net cage is placed in water body, and with bamboo pole, fixation with steel wire, net cage exceeds the water surface 30 ~ 40cm.The neat fixed placement that net cage is in a row embarked on journey is in water body, and interval 80 ~ 100cm between case and case, between row and row interval 2 ~ 3m, 5 ~ 10 net cages are settled in every mu of pond.
Four, seed is thrown in and cultivation
(1) cray seed is thrown in and cultivation
9 ~ October throws in cray 1cm juvenile prawn to ready pond, throws in 2.5 ~ 30,000 tails for every mu, and juvenile prawn throws in farmyard manure or the bio-fertilizer rich water of front fermentation, cultivates the food organisms that juvenile prawn is agreeable to the taste.Juvenile prawn throws in 1 ~ 2 feed of throwing something and feeding rear every day.When water temperature is lower than 10 DEG C, do not throw something and feed in pond.In March after the coming year, when water temperature rises to more than 10 DEG C, start to throw something and feed, when water temperature rises to more than 17 DEG C, strengthen throwing something and feeding, 1 feed of throwing something and feeding every day, feeding volume is that 2% ~ 6% of shrimp total amount is deposited in pond, throws something and feeds time at dusk.Start mid-April to fish for into shrimp every day by large-mesh cage, often fish for 10 kilograms and become shrimp, mend throwing 2 ~ 3 kilograms of 3 ~ 5cm juvenile prawns, fish for and be continued until at the beginning of by the end of July or 8 months.
(3) yellow cartfish seed is thrown in and cultivation
4 ~ May throws in 3 ~ 4cm yellow cartfish juvenile prawn to ready net cage, and 600 tails thrown in by each net cage, throw something and feed every day 3 ~ 4 times, the artificial expanded pellet diet of yellow cartfish of throwing something and feeding, and feeding volume is that 4% ~ 8% of fish total amount deposited by net cage, starts results October.
Five, aquaculture management
1, water quality is controlled.Timing adding water, added water once every 3 ~ 5 days, amount of water 10 ~ 20cm; If any the double-jacket tube drainage system of stable pond water level, then intermittently do not add water every day, carry out micro-flowing water culture.While settling increase the oxygen, high temperature season noon every day and zero time after open aerator oxygenation.Periodic detection water quality, controls water quality according to detection case adjustment.
2, the pool and record is patrolled.Every day, the pool was patrolled in timing, and carry out water temperature, throw something and feed etc. cultivates the record of situation.
Claims (1)
1. cray and yellow cartfish pond polyculture technology, it is characterized in that by cray and yellow cartfish this to grazing eclipse with raised together with pond by the realization of grazing eclipse kind; Utilize net cage to paste plastic foil, stop buoyancy expanding feed floating technology of going out from net cage; Its technical scheme adopted is:
One, utilize net cage that cray and yellow cartfish are separated cultivation
Cray and yellow cartfish are all the special aquatic products kinds of name be received by the market very much, and cray belongs to fresh water crustacean, dwells and creep in the battalion end; Pelteobagrus grouper class, lower floor's swimming activity in water body is a kind of ferociousness carnivore; Therefore cray and yellow cartfish be grazing eclipse with by the relation of grazing eclipse, both cultivation are in same a bite pond, and yellow cartfish will eat up cray; But both are identical to the requirement of water quality, live in water bottom for one and to creep life, a parade, in the middle of water body, is raised together with and can make full use of Water space in a pond, reach the object increased production and improved productivity; We utilize net cage cray and yellow cartfish to be separated, and yellow cartfish is supported in the net cage in pond, and cray is supported outside pond net box, does not interfere with each other and complements one another, making full use of Water space, increasing production and improying productivity;
Two, pond condition and preparation
Pond area is not limit, but with 5 to 10 mu as well, pond requires more than depth of water 2.5m, has independently culvert system, the low row of high filling; Water body answers water quality good, water temperature and stable level; The submerged plants such as water caltrop, hydrilla verticillata, eel grass, waterweed will be planted after cleaning up the pond in pond, and plant the rear pond disinfection of grass, what mud was more also will shift to an earlier date desilting;
Three, the structure of net cage and placement
Net cage with rectangle as well, be advisable with 4X3X2m by area, and net cage material is the vinyon mesh sheet of mesh 1cm, and yellow cartfish seedling can not escape from net cage from mesh; Net cage surfaces 30 ~ 40cm, and there is the plastic foil that a circle 10cm is high net cage and water surface contact position, plays a part to stop that the artificial expanded pellet diet of yellow cartfish floats toward case in net cage; The exaggerated corner of net cage has the bamboo pole of gang rope and fixed cage or steel wire to be connected, and plays fixed cage; Net cage infraclass outer rim is stitched with stone or other weight silver coins, rise maintenance net cage entirety tenesmus, shaping, do not wave with current;
Net cage is placed on pond and the various water body can placing net cage, and net cage is placed in water body, and with bamboo pole, fixation with steel wire, net cage exceeds the water surface 30 ~ 40cm; The neat fixed placement that net cage is in a row embarked on journey in water body, interval 80 ~ 100cm between case and case, between row and row interval 2 ~ 3m, 5 ~ 10 net cages are settled in every mu of pond;
Four, seed is thrown in and cultivation
(1) cray seed is thrown in and cultivation
9 ~ October throws in cray 1cm juvenile prawn to ready pond, throws in 2.5 ~ 30,000 tails for every mu, and juvenile prawn throws in farmyard manure or the bio-fertilizer rich water of front fermentation, cultivates the food organisms that juvenile prawn is agreeable to the taste; Juvenile prawn throws in 1 ~ 2 feed of throwing something and feeding rear every day; When water temperature is lower than 10 DEG C, do not throw something and feed in pond; In March after the coming year, when water temperature rises to more than 10 DEG C, start to throw something and feed, when water temperature rises to more than 17 DEG C, strengthen throwing something and feeding, 1 feed of throwing something and feeding every day, feeding volume is that 2% ~ 6% of shrimp total amount is deposited in pond, throws something and feeds time at dusk; Start mid-April to fish for into shrimp every day by large-mesh cage, often fish for 10 kilograms and become shrimp, mend throwing 2 ~ 3 kilograms of 3 ~ 5cm juvenile prawns, fish for and be continued until at the beginning of by the end of July or 8 months;
(2) yellow cartfish seed is thrown in and cultivation
4 ~ May throws in 3 ~ 4cm yellow cartfish juvenile prawn to ready net cage, and 1000 tails thrown in by each net cage, throw something and feed every day 3 ~ 4 times, the artificial expanded pellet diet of yellow cartfish of throwing something and feeding, and feeding volume is that 4% ~ 8% of fish total amount deposited by net cage, starts results October;
Five, aquaculture management
1, water quality is controlled: timing adding water, added water once every 3 ~ 5 days, amount of water 10 ~ 20cm; If any the double-jacket tube drainage system of stable pond water level, then intermittently do not add water every day, carry out micro-flowing water culture; While settling increase the oxygen, high temperature season noon every day and zero time after open aerator oxygenation; Periodic detection water quality, controls water quality according to detection case adjustment;
2, the pool and record is patrolled: every day, the pool was patrolled in timing, and carry out water temperature, throw something and feed etc. cultivates the record of situation.
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| CN201510815356.5A CN105340800A (en) | 2015-11-23 | 2015-11-23 | Pond co-culture technology for crayfishes and yellow catfishes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259128A (en) * | 2016-09-29 | 2017-01-04 | 南宁学院 | A kind of method of raising in cage Pelteobagrus fulvidraco seed |
| CN107295997A (en) * | 2017-08-17 | 2017-10-27 | 舒城县万佛湖渔业总公司 | A kind of method of construction of biological feed high density mixed breed culturing pool |
| CN110915743A (en) * | 2019-12-12 | 2020-03-27 | 安徽省农业科学院水产研究所 | Fish and shrimp polyculture pond under photovoltaic equipment and culture method thereof |
| CN115039722A (en) * | 2022-04-08 | 2022-09-13 | 上海市水产研究所（上海市水产技术推广站） | Method for cage culture of grass carps by grass planting in pond |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259128A (en) * | 2016-09-29 | 2017-01-04 | 南宁学院 | A kind of method of raising in cage Pelteobagrus fulvidraco seed |
| CN107295997A (en) * | 2017-08-17 | 2017-10-27 | 舒城县万佛湖渔业总公司 | A kind of method of construction of biological feed high density mixed breed culturing pool |
| CN110915743A (en) * | 2019-12-12 | 2020-03-27 | 安徽省农业科学院水产研究所 | Fish and shrimp polyculture pond under photovoltaic equipment and culture method thereof |
| CN115039722A (en) * | 2022-04-08 | 2022-09-13 | 上海市水产研究所（上海市水产技术推广站） | Method for cage culture of grass carps by grass planting in pond |
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