CN103891660A - Indoor circulating water three-dimensional swimming crab temporary fostering and fattening and soft crab breeding method - Google Patents
Indoor circulating water three-dimensional swimming crab temporary fostering and fattening and soft crab breeding method Download PDFInfo
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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 belongs to the field of breeding of aquatic products, and discloses an indoor circulating water three-dimensional swimming crab temporary fostering and fattening and soft crab breeding method. Breeding equipment and the breeding steps are included. The method can provide a project for obtaining excessive profits for investors, and makes a contribution to society. Due to the indoor circulating water three-dimensional ecological swimming crab temporary fostering and fattening and soft crab breeding, all conditions are controllable, the steps are carried out according to the program strictly, and the quality of produced crabs and soft crabs is obviously higher than that of crabs growing in the natural world and crabs bred in other ways. Meanwhile, the thermal insulation processing is carried out on the breeding equipment, so that waste of resources is reduced, breeding cost is lowered, and the biggest considered problem for the indoor circulating water three-dimensional aquatic product breeding is solved; one monitor camera monitors the growth conditions of dozens of crabs, labor intensity of workers is relieved, labor cost is lowered, and the quality of the crabs is ensured; selling profits of live soft crabs are higher than those of frozen soft crabs, and the investors can obtain higher profits.
Description
Technical field:
The present invention relates to aquaculture, specifically a kind of three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water.
Technical background:
Crab (this method specially refers to swimming crab, lower same) delicious meat, nutritious, existing edibility, has again medical value, is deeply loved by the public since ancient times.
Consumer likes eating crab, but the sea of selling on market catch crab and have the thin crab ghost crab of half, consumer has ghost crab unavoidably.Consumer spends to have a bag water, do not order the ghost crab of meat, and who does not get angry on the every day of market all can transmit the quarrel sound causing because of crab ghost.
When consumer eats crab, run into a bag water, do not order the ghost crab of meat, all can think retailer black the heart, cause to crab water filling.Everybody has treated unjustly retailer! One bag water, the ghost crab of meat of not ordering, in fact dragging for from nautical mile one is exactly like this, and this is a kind of state in crab process of growth.The all one's life of crab need to be through the shell of nearly more than 20 times, and crab sloughs off a shell and just grows up once.Crab is the most fertile before shell, has just sloughed off lower casing just like a soft meat, and crab at this moment just cries soft crab, and regardless of being similar or foreign peoples wants to eat it, each shell crab is all faced with danger spot one time! This is also the low reason to less than 20% of crab survival rate in the Nature.Back cover gradual change in several hours is hard, and it has also just reduced into ghost crab.Crab is exactly so constantly to be reduced by fertilizer, then is grown fat by thin, grows up day by day.Trample factually middle observation, crab often sloughs off a shell approximately needs 3～20 days, that is to say that 20 days ghost crabs have just become fertile crab at most.
Soft crab is the same with ghost crab, is all a kind of state in crab process of growth.At occurring in nature, the mankind soft crab of seldom having an opportunity to see, says nothing of and has had.First its natural enemy is too many, no matter be similar or foreign peoples wants to eat it; Secondly, soft crab is shell meeting hardening in a short period of time, becomes ghost crab.Soft crab has not only retained the delicious and nourishing of substance crab, also can eat because connecting shell, has increased abundant nutriment, and we can absorb the sixth-largest biological element-chitin that human body lacks from shell.Chitin is animal fiber element, at occurring in nature, is only present in it shellfish, and chitin has very large effect to human body, energy toxin-expelling and face nourishing, and blood fat-reducing blood pressure-decreasing, reduces cholesterol, and can improve the immunocompetence of human body, plays the effect of cancer-resisting.Chitin is current universal time except motion, the food of the most naturally losing weight, to health without any side effect.Soft crab also contains abundant free calcium, is the best food that old child replenishes the calcium.
There are at present several introductions to cultivate the method for soft crab, as publication number be CN101755679A " producing the method for soft crab with Portunus trituberculatus Miers " and application number, to be 201010509991.8 all mention soft crab in " a kind of method of culturing soft blue crabs indoors " gathers: during the Portunus trituberculatus Miers of cultivating shells, checked Portunus trituberculatus Miers shelling situation one time every 2～3 hours or 2～4 hours, the soft crab that collection has in time shelled, frozen.In practice, observe, crab shell, sometimes very fast, about more than ten minutes are complete with regard to shell; Sometimes very slow, seeing and wanting shell, reality several hours and even a few talent are sloughed off lower casing.Just sloughed off the soft crab of lower casing just like a soft meat, soft crab quality is at this moment best.Soft crab water suction is very fast, and health will expand a little while, and soft crab quality at this moment declines.Be filled the soft crab that water expands, shell hardening gradually in several hours, just becomes ghost crab.Therefore, check that every 2～3 hours or 2～4 hours the way of a Portunus trituberculatus Miers shelling situation is worthless.
The fishing season of swimming crab has spring and autumn twice for 1 year, and the Huanghai Sea and East Sea annual production respectively have ten thousand tons of 1-2.Only open sea autumn, the crab that Qingdao City sells to market every day just reaches 300,000 jin, and through measuring and calculating, the little crab here, thin crab, ghost crab have nearly 200,000 jin.Consume little crab, thin crab, ghost crab only not in the limited resource of waste! The crab wholesale price of every half jin of left and right rolls that basket is mixed sells 22 yuan/jin, challengees by oneself fertile just to sell 48～50 yuan/jin and first sell, and 5～6 yuan/jin of ghost crabs choosing under are and nobody want.Here whether containing a sudden huge profits project
Swimming crab is because growing rapidly, cultivates lucratively, become important breed variety, and cultural technique is very ripe at present.Crab cultivation requires the crab of same size to support together, otherwise the internecine habit of crab only can reach below 20% survival rate; Cultivation density is had to requirement, and 1000-1500 is only supported at most in every mu of pond, just 2, average every square meter cultivation waters; Dissolved oxygen in aquaculture water is required preferably could be more than 8 mg/litre, could not lower than 5 mg/litre, (someone says 2 mg/litre, so crab is caused serious injury, and it will be argued that it is worthless! ), otherwise easily cause the unsuccessful death of shell; Water temperature is had to requirement, and water temperature is in the time of 15-26 DEG C, and food ration is large, grows the fastest, and water temperature is lower than 10 DEG C or just do not ingested higher than 32 DEG C of crabs, impact growth; The substrate of culturing pool requires good, and the substrate degenerating is easily grown germ, the crab death of easily catching an illness.
At present China coast coastal seawater is subject to the exceed standard pollution of cultivation of industrial or agricultural in various degree and shallow sea, and it is a common problem that heavy metal in sea water exceeds standard.Heavy metals exceeding standard jeopardizes food security, affects products export, must cause concern!
Crab is supported (within general about 3～20 days, just can fatten shell) temporarily, than saving long time from little forming (generally needing about half a year), also just can save a large amount of cost payouts, causes gradually people's attention.How everybody adopts intensive culture to improve culture benefit in exploration, and indoor circulating water three-dimensional culture is subject to gradually everybody with incomparable advantage and pays close attention to.(application number: 201210490837.x) supported in Ru Xie apartment is temporarily the three-dimensional temporary more successful example of supporting of current indoor circulating water, and it has overcome, and support temporarily in pond and the temporary many drawbacks of supporting of sea cage.Due at indoor circulating water three-dimensional culture, allow every crab all live separate room, do not need to consider crab specification problem, no matter the large little crab of crab can be supported simultaneously; Also solved cultivation density problem, cultivation density is brought up to 100 left and right of every square meter by every square meter cultivation left and right, 2, waters of pond culture; The bait of independently throwing something and feeding, has ensured that every crab can absorb to bait; Because coordinative composition of equipments has water temperature control device, water temperature can be adjusted to 15～26 DEG C of the optimum temperatures of crab growth, allow crab Fast Growth.In practice, find that temporary the supporting in crab apartment also exists some defects urgently to be resolved hurrily: breeding box etc. do not have heat insulating ability; The heating of water temperature and refrigeration are carried out in open type tank, cause temperature leak, cause water temperature control device to work without cessation, wasted resource, increased aquaculture cost (this is people to the indoor circulating water three-dimensional culture aquatic products maximum problem of worrying); Spray water filling, the large easily stimulation of sound crab, easily makes crab produce stress reaction; The dissolved oxygen that sprays water filling oxygenation generation is not high enough, easily causes crab shell unsuccessful; Water injection hole easily stops up, once find will cause not in time crab because of anoxic death; Aquaculture water easily overflows simultaneously, causes breeding environment severe; Because crab ight soil, residual bait are by manually removing with dredger, so both stimulated continually crab, easily make crab produce stress reaction, remove thoroughly not again, add that the interior dissolved oxygen of breeding box does not have enough height, easily causes germ reproduction; Crab suffers the infringement of germ, and crab body spreads all over blackspot, affects crab quality, has a strong impact on sale; Because aquaculture water is taken from natural sea-water, directly use, the heavy metal in sea water problem of exceeding standard can not solve.Crab apartment space-closed, is independently one by one, is not suitable for remote reviewing, and observe must be to nearby observing, and management is got up to require great effort time-consuming.
For solve that crab apartment supports that (application number: 201210490837.x) exist temporarily such as: water temperature run off, water injection hole easily stops up, dissolved oxygen is inadequate, substrate easily worsens, the easily defect such as sick, heavy metals exceeding standard of crab, I have researched and developed a kind of indoor circulating water stereoscopic multipurpose aquatic products ecology rearing device (application number: 201420058088.8).It adds heat-insulation layer, intake-discharge pipe road and tank insulation by breeding box casing and processes the saving energy; Utilize water inlet pipe direct-furnish not have blockage problem; Neither stay dead angle by cultivation bottom half interlayer micro-pore oxygenation, ensure again dissolved oxygen abundance; Utilize sufficient dissolved oxygen to supply with and cultivate beneficial bacterium inhibition harmful bacteria, decompose the residual bait of ight soil, utilize medical stone Adsorption of Heavy Metals to purify water, utilize coral sand to regulate pH value; Solve the crab problem of fighting by dismountable punching division board.There is so good substrate, can reduce the generation of crab disease, laid a solid foundation for producing green non-pollution food; Suitable water temperature, saturated dissolved oxygen can improve density, raising survival rate and the feed conversion rate of crab cultivation, promote crab growth, reduce the breeding production cycle.How that could support good crab temporarily
Summary of the invention:
The object of the invention is to solve fishery resources wastes, crab ghost problem is caught in sea, allow consumer only eat fertile crab, and further allow consumer have instant, more nutritious soft crab, and a kind of three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water is proposed.
The object of the invention is to reach by following measure, a kind of three-dimensional method of bringing up temporarily fertile swimming crab and cultivation soft crab of indoor circulating water comprises cultivation equipment and cultivation step; Described cultivation equipment comprises a kind of indoor circulating water stereoscopic multipurpose aquatic products ecology rearing device (application number: the ecology rearing device of 201420058088.8) introducing and monitoring camera; Described ecology rearing device comprises breeding box, shelf, biofilter, tank, water circulating pump, aquaculture constant temperature machine, aerator and connecting line water inlet pipe thereof, drainpipe, appendix and water inlet pipe check (non-return) valve, appendix check (non-return) valve; Described monitoring camera is arranged on the shelf plywood bottom of breeding box top, and described monitoring camera is connected with the DVR display in Control Room; Before described biofilter and tank water inlet pipe, at least set up a sand filter and water tank (my another patented product-a kind of indoor circulating water cultivation degraded heavy metal water tank), described sand filter is connected with sea water pump with water tank.
Described cultivation step: 1. throw in before crab, first will clean equipment, disinfect; With sea water pump from natural waters or underground sea water well extracting seawater to sand filter and the water tank (seawater extracting from underground sea water well, must adjust the salinity of water, PH, to fish for crab that marine site salinity is identical is advisable), in water tank, water body is carried out to heavy metal degraded and disinfection; After a time, inject clean sea water toward biofilter and tank, open aerator, water circulating pump, the useful vaccine of splashing, supported water about two days, had cultivated beneficial bacterium.
2. crab is collected: crab is collected front water temperature, salinity and the PH that first will understand fully received crab marine site, ready for supporting temporarily below; The annual lunar calendar rises the first month of the lunar year, all can some little crab at fishing wharf, do not have meat to be thrown away by fisherman because of little, can pack up successively, take care of the pence, because of this time weather also cool, directly transport; Along with temperature raises, when transport, need to do cooling and process, fight for fear of crab, need to bundle crab chela or layering isolation; Autumn, purchase thin crab ghost crab to fishing wharf or culturing pool, when transport, need to do cooling and process.So-called cooling is processed, exactly crab is placed in the refrigerator car of 12 DEG C of left and right, and with the covering such as straw bag or cotton or filter cloth or sponge of soaking seawater, the dry fortune of moisturizing, and be equipped with oxygen cylinder or oxygen bag toward slow dispenser oxygen in air.
3. crab is transported cultivation base back, must be first indoor exposed shelving, carry out temperature adjustment, adjust to water temperature differ ± 3 DEG C in time, salinity, PH to water adjust, and with salinity variation per hour compared with fishing for marine site with crab, in 2 degree, pH value changes in 0.3, be put into again in thimerosal and soak 5～10 minutes, after disinfection is processed, could in breeding box, put.
4. first every crab is weighed, then crab chela is untied, after be put in the separate room of the trade mark of bidding being formed by dismountable punching division board, a crab is put in a separate room, separate room size is arbitrarily adjusted according to crab size.
5. daily management: (adjust flexibly according to the situation of eating, entirely eat up, add next time a little every day by 10% of the crab body weight bait of throwing something and feeding; Have residue, just subtract some next time), at dusk 5～6 o'clock bait throwing in accounts for 70%, 5～6 o'clock bait throwing in early morning accounts for 30%; Bait is low value shellfish and small fish shrimp, before bait feeding, will do disinfection processing, and shellfish will be smashed shell on one side, eats remaining residual bait and throw in new again before first sorting out; Find that bait is eaten bad, change other bait and decrement.What adopt due to this device is cycle water constant temperature cultivation, finishes after bait, just can be sitting in Control Room and observe crab growing state by display, and place on record.Those continuous crabs that do not eat food for or two days are wanted to special concern, and observe one time a quarter of an hour to two quarters, finds that there is the crab of shell, takes out at once, does low temperature treatment.
6. the live processing of depositing of soft crab: the soft crab horse back alives taking out is put in the seawater of 3～5 DEG C and soaked 20～30 minutes, from refrigerator-freezer, take out simultaneously and soaked in advance seawater and sponge and the storage-transport vessel (my 201420141618.5 1 kinds of novel portable live-water products storage-transport vessels of another patented product-application number) of the quarrel of having frozen, sponge is laid in container, put soft crab, capping, oxygenation, sealing, puts into refrigerator-freezer and refrigerates for sale or insert insulation and wrap (my another patented product-one is strengthened thermal-insulating type insulation bag) delivery.
7. introduce the way of a quick obtaining soft crab: choose those crabs of two layers to fishing wharf or cultivating pool or fishery market, i.e. public crab legs pinkiness, crab white belly is to crust tip; Two female crabs (triangle navel) navel presents pink or red-black phase secondary color, is put in equipment and supports temporarily, does not need feeding, just can obtain soft crab in the same day or one or two days.
8. points for attention: 1. indoor circulating water cultivation is very strong to the dependence of power supply, for preventing power-off, should be equipped with stand-by generator.2. should be equipped with water quality monitoring equipment and articles for use thereof, cultivate water is accomplished to the intracardiac number that has, find not to be inconsistent requirement, adjust at once.3. to be equipped with fresh-keeping reach in freezer, both can refrigerate in time results product, again can be to bait fresh-keeping storage.4. fatten and occur that dead crab is unavoidable due to crab, cultivate soft crab and produce crab shell and be inevitable, be therefore preferably equipped with drying plant, the Carapax Eriocheir sinensis producing and dead crab are carried out to common dry treatment, this also can obtain high profit.5. arrive for purchase with female crab of bright Huang, can only bring up temporarily it fertilely, fertile sell at once, can't be used for cultivating soft crab.6. this method both can and be cultivated soft crab for the temporary raising fertilizer of swimming crab, also can be used for the temporary raising fertilizer of other crab kinds and cultivates soft crab.
Beneficial effect of the present invention: crab is liked by masses deeply, the existence of a large amount of thin crab ghost crabs, had both wasted limited resources in vain, allowed unavoidably again consumer spend to get angry.Proposition of the present invention, both can obtain the project of great number sudden huge profits for investor has pointed out one, again for a good deed has been done by society, allow consumer only eat fertile crab, both save limited resources, and avoided again consumer to spend to get angry, more avoided the generation of contradiction between retailer and consumer.Because this method is to bring up temporarily fertile crab and cultivate soft crab at indoor circulating water stereo ecological, one tangent condition is controlled, and strict follow procedure is carried out, the crab of producing and soft crab quality are apparently higher than the crab of natural world growth and the crab of other approach cultivation.Simultaneously this method has been done insulation to cultivator and has been processed, and can reduce energy waste, has reduced aquaculture cost, has solved people to the indoor circulating water three-dimensional culture aquatic products maximum problem of worrying; A monitoring camera monitors the growing state of tens of crabs, has alleviated staff's labour intensity, can reduce labor cost, has also ensured product quality simultaneously; Live soft crab profit on sales higher than freezing soft crab, can allow investor obtain higher profit.The present invention both can and cultivate soft crab for the temporary raising fertilizer of swimming crab, also can be used for the temporary raising fertilizer of other crab kinds and cultivates soft crab.
Brief description of the drawings:
Figure is schematic flow sheet of the present invention.DVR display 81 in breeding box 1, shelf 11, biofilter 2, tank 3, water circulating pump 4, water pipe non-return valve 41, water inlet pipe 42, aquaculture constant temperature machine 5, aerator 6, tracheae non-return valve 61, appendix 62, drainpipe 7, monitoring camera 8, Control Room, water tank 9, sand filter 91, sea water pump 92.
Embodiment:
A kind of three-dimensional method of bringing up temporarily fertile crab and cultivation soft crab of indoor circulating water comprises cultivation equipment and cultivation step.
Described cultivation equipment comprises a kind of indoor circulating water stereoscopic multipurpose aquatic products ecology rearing device (application number: the ecology rearing device of 201420058088.8) introducing and monitoring camera (8); Described ecology rearing device comprises breeding box (1), shelf (11), biofilter (2), tank (3), water circulating pump (4), aquaculture constant temperature machine (5), aerator (6) and connecting line water inlet pipe (42) thereof, drainpipe (7), appendix (62) and water inlet pipe check (non-return) valve (41), appendix check (non-return) valve (61); Described monitoring camera (8) is arranged on shelf (11) the laminate bottom of breeding box (1) top, and described monitoring camera (8) is connected with the DVR display (81) in Control Room; Before described biofilter (2) and tank (3) water inlet pipe, at least set up a sand filter (91) and water tank (9) (my another patented product-a kind of indoor circulating water cultivation degraded heavy metal water tank), described sand filter (91) is connected with sea water pump (92) with water tank (9).
Described cultivation step: 1. throw in before crab, first will clean equipment, then use the ClO 2 solution of 20ppm or the liquor potassic permanganate of 20ppm to equipment disinfection; After 2～3 hours, with sea water pump (92) from natural waters or underground sea water well extracting seawater to sand filter (91), after filtration, enter water tank (the 9) (seawater extracting from underground sea water well, must adjust the salinity of water, PH, to fish for crab that marine site salinity is identical is advisable), water body is carried out to heavy metal degraded water tank (9) is inner, with the ClO 2 solution of 0.5ppm to water body disinfection sterilization; After a time, inject clean sea water toward biofilter (2) and tank (3), open aerator (6), water circulating pump (4), the useful vaccine of splashing after 24 hours, supported water about two days, had cultivated beneficial bacterium.
2. crab is collected: first to understand fully water temperature, salinity and the PH in received crab marine site, and ready for supporting temporarily below; The annual lunar calendar rises the first month of the lunar year, all can some little crab at fishing wharf, do not have meat to be thrown away by fisherman because of little, can pack up successively, take care of the pence, because of this time weather also cool, directly transport; Along with temperature raises, when transport, need to do cooling and process, fight for fear of crab, need to bundle crab chela or layering isolation; Autumn, purchase thin crab ghost crab to fishing wharf or culturing pool, when transport, need to do cooling and process.So-called cooling is processed, exactly crab is placed in the refrigerator car of 12 DEG C of left and right, and with the covering such as straw bag or cotton or filter cloth or sponge of soaking seawater, the dry fortune of moisturizing, and be equipped with oxygen cylinder or oxygen bag toward slow dispenser oxygen in air.
3. crab is transported cultivation base back, must be first indoor exposed shelving, carry out temperature adjustment, adjust to water temperature differ ± 3 DEG C in time, salinity, PH to water adjust, and with salinity variation per hour compared with fishing for marine site with crab, in 2 degree, pH value changes in 0.3, be put into again in the ClO 2 solution of 10ppm and soak 5～10 minutes, could be toward inner the putting of breeding box (1) after disinfection is processed.
4. first every crab is weighed, again crab chela is untied, after be put in the separate room of the trade mark of bidding being formed by dismountable punching division board, a crab is put in a separate room, separate room size is arbitrarily adjusted according to crab size, because the body of the maximum individual swimming crab of biology is wide at 220mm, with punching division board, breeding box (1) is divided into the space of 320mm*320mm, be enough to meet the growth needs of large individual crab; With punching division board, breeding box (1) is divided into the space of 210mm*210mm, can meets the growth needs of larger individual crab, comparatively suitable to the fertile crab of temporary raising; Breeding box (1) is divided into the space of 16mm*16mm with punching division board, this growth of crab to 3-4 two left and right is more suitable, can cultivate soft crab again.
5. daily management: (adjust flexibly according to the situation of eating, entirely eat up, add next time a little every day by 10% of the crab body weight bait of throwing something and feeding; Have residue, just subtract some next time.), at dusk 5～6 o'clock daily ration, feeding quantity account for 70%, 5～6 o'clock of early morning daily ration, feeding quantity account for 30%; Bait is low value shellfish and small fish shrimp, in the front ClO 2 solution that will be put into 10ppm for 2 hours of bait feeding, soaks and within 5～10 minutes, does disinfection processing, and shellfish will be smashed shell on one side, eats remaining residual bait and throw in new again before first sorting out; Find that bait is eaten bad, change other bait and decrement.What adopt due to this device is cycle water constant temperature cultivation, finishes after bait, just can be sitting in Control Room and observe crab growing state by display, and place on record.Those continuous crabs that do not eat food for or two days are wanted to special concern, and observe one time a quarter of an hour to two quarters, finds that there is the crab of shell, takes out at once, does low temperature treatment.
6. the live processing of depositing of soft crab: the soft crab horse back alives taking out is put in the seawater of 3～5 DEG C and soaked 20～30 minutes, from refrigerator-freezer, take out simultaneously and soaked in advance seawater and sponge and the storage-transport vessel (my 201420141618.5 1 kinds of novel portable live-water products storage-transport vessels of another patented product-application number) of the quarrel of having frozen, sponge is laid in container, put soft crab, capping, oxygenation, sealing, puts into refrigerator-freezer and refrigerates for sale or insert insulation and wrap (my another patented product-one is strengthened thermal-insulating type insulation bag) delivery.
7. introduce the way of a quick obtaining soft crab: choose those crabs of two layers to fishing wharf or cultivating pool or fishery market, i.e. public crab legs pinkiness, crab white belly is to crust tip; Two female crabs (triangle navel) navel presents pink or red-black phase secondary color, is put in equipment and supports temporarily, does not need feeding, just can obtain soft crab in the same day or one or two days.
8. points for attention: 1. indoor circulating water cultivation is very strong to the dependence of power supply, for preventing power-off, should be equipped with stand-by generator.
2. should be equipped with water quality monitoring equipment and articles for use thereof, cultivate water is accomplished to the intracardiac number that has, find not to be inconsistent requirement, adjust at once.
3. to be equipped with fresh-keeping reach in freezer, both can refrigerate in time results product, again can be to bait fresh-keeping storage.
4. fatten and occur that dead crab is unavoidable due to crab, cultivate soft crab and produce crab shell and be inevitable, be therefore preferably equipped with drying plant, the Carapax Eriocheir sinensis producing and dead crab are carried out to drying and processing, this also can obtain high profit.
5. arrive for purchase with female crab of bright Huang, can only bring up temporarily it fertilely, fertile sell at once, can't be used for cultivating soft crab.
6. this method both can and be cultivated soft crab for the temporary raising fertilizer of swimming crab, also can be used for the temporary raising fertilizer of other crab kinds and cultivates soft crab.
Claims (10)
1. the three-dimensional method of bringing up temporarily fertile swimming crab and cultivation soft crab of indoor circulating water comprises cultivation equipment and cultivation step.
2. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, is characterized in that described cultivation equipment comprises a kind of indoor circulating water stereoscopic multipurpose aquatic products ecology rearing device (application number: the ecology rearing device of 201420058088.8) introducing and monitoring camera; Described ecology rearing device comprises breeding box, shelf, biofilter, tank, water circulating pump, aquaculture constant temperature machine, aerator and connecting line water inlet pipe thereof, drainpipe, appendix and water inlet pipe check (non-return) valve, appendix check (non-return) valve; Described monitoring camera is arranged on the shelf plywood bottom of breeding box top, and described monitoring camera is connected with the DVR display in Control Room; Before described biofilter and tank water inlet pipe, at least set up a sand filter and water tank (my another patented product-a kind of indoor circulating water cultivation degraded heavy metal water tank), described sand filter is connected with sea water pump with water tank.
3. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, is characterized in that described cultivation step: 1. throw in before crab, first will clean equipment, disinfect; With sea water pump from natural waters or underground sea water well extracting seawater to sand filter and the water tank (seawater extracting from underground sea water well, must adjust the salinity of water, PH, to fish for crab that marine site salinity is identical is advisable), in water tank, water body is carried out to heavy metal degraded and disinfection; After a time, inject clean sea water toward biofilter and tank, open aerator, water circulating pump, the useful vaccine of splashing, supported water about two days, had cultivated beneficial bacterium.
4. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, it is characterized in that described cultivation step: 2. crab is collected: crab is collected front water temperature, salinity and the PH that first will understand fully received crab marine site, ready for supporting temporarily below; The annual lunar calendar rises the first month of the lunar year, all can some little crab at fishing wharf, do not have meat to be thrown away by fisherman because of little, can pack up successively, take care of the pence, because of this time weather also cool, directly transport; Along with temperature raises, when transport, need to do cooling and process, fight for fear of crab, need to bundle crab chela or layering isolation; Autumn, purchase thin crab ghost crab to fishing wharf or culturing pool, when transport, need to do cooling processes, so-called cooling is processed, exactly crab is placed in the refrigerator car of 12 DEG C of left and right, with the covering such as straw bag or cotton or filter cloth or sponge of soaking seawater, the dry fortune of moisturizing, and be equipped with oxygen cylinder or oxygen bag toward slow dispenser oxygen in air.
5. according to the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of the indoor circulating water described in claim 1,4, it is characterized in that described cultivation step: 3. crab is transported cultivation base back, must be first indoor exposed shelving, carry out temperature adjustment, adjust to water temperature differ ± 3 DEG C in time, salinity, PH to water adjust, with salinity variation per hour compared with fishing for marine site with crab in 2 degree, pH value changes in 0.3, be put into again in thimerosal and soak 5～10 minutes, after disinfection is processed, could in breeding box, put.
6. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, it is characterized in that described cultivation step: 4. first every crab is weighed, again crab chela is untied, after be put in the separate room of the trade mark of bidding being formed by dismountable punching division board, a crab is put in a separate room, and separate room size is arbitrarily adjusted according to crab size.
7. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, it is characterized in that described cultivation step: 5. daily management: (adjust flexibly according to the situation of eating every day by 10% of the crab body weight bait of throwing something and feeding, entirely eat up, add next time a little; Have residue, just subtract some next time.), at dusk 5～6 o'clock bait throwing in accounts for 70%, 5～6 o'clock bait throwing in early morning accounts for 30%; Bait is low value shellfish and small fish shrimp, before bait feeding, will do disinfection processing, and shellfish will be smashed shell on one side, eats remaining residual bait and throw in new again before first sorting out; Find that bait is eaten bad, change other bait and decrement.What adopt due to this device is cycle water constant temperature cultivation, finishes after bait, just can be sitting in Control Room and observe crab growing state by display, and place on record.Those continuous crabs that do not eat food for or two days are wanted to special concern, and observe one time a quarter of an hour to two quarters, finds that there is the crab of shell, takes out at once, does low temperature treatment.
8. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, it is characterized in that described cultivation step: 6. the processing of depositing of the soft crab that lives: soft crab the alives horse back taking out is put in the seawater of 3～5 DEG C and soaked 20～30 minutes, from refrigerator-freezer, take out simultaneously and soaked in advance seawater and sponge and the storage-transport vessel (my 201420141618.5 1 kinds of novel portable live-water products storage-transport vessels of another patented product-application number) of the quarrel of having frozen, sponge is laid in container, put soft crab, capping, oxygenation, sealing, putting into refrigerator-freezer refrigerates for sale or inserts insulation and wrap (my another patented product-one is strengthened thermal-insulating type insulation bag) delivery.
9. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, it is characterized in that described cultivation step: 7. the way of introducing a quick obtaining soft crab: choose those crabs of two layers to fishing wharf or cultivating pool or fishery market, be public crab legs pinkiness, crab white belly is to crust tip; Two female crabs (triangle navel) navel presents pink or red-black phase secondary color, is put in equipment and supports temporarily, does not need feeding, just can obtain soft crab in the same day or one or two days.
10. the three-dimensional method of bringing up fertile swimming crab and cultivating soft crab temporarily of indoor circulating water according to claim 1, is characterized in that described cultivation step: 8. points for attention; 1. indoor circulating water cultivation is very strong to the dependence of power supply, for preventing power-off, should be equipped with stand-by generator.2. should be equipped with water quality monitoring equipment and articles for use thereof, cultivate water is accomplished to the intracardiac number that has, find not to be inconsistent requirement, adjust at once.3. to be equipped with fresh-keeping reach in freezer, both can refrigerate in time results product, again can be to bait fresh-keeping storage.4. fatten and occur that dead crab is unavoidable due to crab, cultivate soft crab and produce crab shell and be inevitable, be therefore preferably equipped with drying plant, the Carapax Eriocheir sinensis producing and dead crab are carried out to drying and processing, this also can obtain high profit.5. arrive for purchase with female crab of bright Huang, can only bring up temporarily it fertilely, fertile sell at once, can't be used for cultivating soft crab.6. this method both can and be cultivated soft crab for the temporary raising fertilizer of swimming crab, also can be used for the temporary raising fertilizer of other crab kinds and cultivates soft crab.
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| CN112106706A (en) * | 2020-10-20 | 2020-12-22 | 王智刚 | Large-scale aquaculture technology for snail and shellfish aquatic products and annual production system |
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