196 results about "Aquaculture of sea cucumbers" patented technology

A microecological water quality conditioning agent applicable to restoring of sea cucumber culture water body and a method for preparing the microecological water quality conditioning agent belong to the technical field of aquaculture and microorganisms. By aiming at physiological habits and culturing characteristics of sea cucumbers and applying modern biological technique, the microecological water quality conditioning agent is made of bacillus flexus CGMCC (China general microbiological culture collection center) No.5115, bacillus subtilis CGMCC No.5116 and bacillus cereus CGMCC No.5117, which are separated and sieved from a sea cucumber culturing environment and prepared by steps: using corn starch and soybean cake powder as main culturing materials, fermentating for 24-48h at 25-40 DEG C, and using zeolite and wheat bran as adsorption carriers for processing to obtain the microecological water quality conditioning agent. The microecological water quality conditioning agent is less susceptible to environment conditions, has remarkable purifying effect on sea cucumber culturing water body, and is capable of greatly reducing content of harmful substances such as ammonia nitrogen, nitrite, hydrogen sulfide and the like, deodorizing and effectively restraining pathogenic bacteria so as to prevent sea cucumber diseases and improve yield and quality of cultured sea cucumbers.

The invention relates to microbial fermentation bait, in particular to a method for producing microbial fermentation bait for sea cucumbers. Soya bean meal, bran, rice bran, soy sauce residue, mussels, algae and sea floating sludge taken as fermentation raw materials, and Saccharomyces cerevisiae, Candida, Bacillus subtillis, lactobacillus and photosynthetic bacteria taken as beneficial microflora are subjected to inoculation at a temperature of between 25 and 30 DEG C for solid fermentation to produce the microbial fermentation bait for sea cucumbers. The method has the characteristics of simple production process, easy operation, wide sources of production raw materials, low cost, easy promotion, short production period, more fermentation products, good product quality, easy application and the like. When applied in sea cucumber culture, the microbial fermentation bait can improve the survival rate and immunity of the sea cucumbers, quicken the growth and development of the sea cucumbers, improve the ecological environment of culture pond water and purify water quality, and is ideal good-quality microbial fermentation bait for the sea cucumbers.

The invention provides a deep water well shed holothurians breeding method, and is characterized in that (1) fry stocking: the fry specification is 3-5cm, the stocking density in the prophase of the breeding is 40-60 heads per m2, and the fry is required to be sanitized before stocking; (2) breeding managing: a deep water well shed whose sea water temperature is 12-17 DEG C and whose salinity is not less than 25 per thousand is selected, slight flow raising method is adopted during the growth period, the daily flux is 1-3 times of the raising water, and air charging breeding is adopted when the water flows; sea mud, tail algae powder, and kelp power and auxiliary forage are fed 1-2 times every day, and the feeding amount is 1-5 percent of the weight of the holothurians. Taking full use of the establishment of the existing deep water well shed, breeding the holothurians effectively and healthily, the invention is easy to be operated and managed, and the invention can save energy and lower the consumption, can save water and reduce pollution, and can reduce the breeding period, as well as improve the breeding efficiency greatly.

The present invention relates to marine microbe applying technology and sea cucumber cultivating technology, and is especially process of producing marine rhodotorula mucilaginosa for sea cucumber. The conventional marine rhodotorula mucilaginosa is cultured in aged sea water with glucose in 1.0-3.8 wt% and EDTA-Fe in 1-3 ml/l at 15-25 deg.c, and the production process includes two stages of fermentation, centrifugal concentration and other steps. The production is simple, short in production period and low in cost, and the marine rhodotorula mucilaginosa product has high quality. The produced marine rhodotorula mucilaginosa is applied in raising sea cucumber larva to raise the metamorphosis rate and survival rate of sea cucumber larva, promote the growth of the larva and improve the ecological environment in the culture pond.

The invention discloses a buoyant-raft net cage sea cucumber culture device and a sea cucumber culture method. The device comprises a floating ball, a buoyant raft hanging rope and a net cage, wherein two ends of the buoyant raft hanging rope are connected with the floating ball; the net cage is connected with the buoyant raft hanging rope via a lifting rope; the floating ball is connected with a wood pile fixed on the seabed respectively by steady lines; and the buoyant raft hanging rope is long enough to cause the net cage to touch the seabed. In the culture device, because the floating ball is fixed by the steady lines connected with the wood pile fixed on the seabed and the net cage is fixed on the seabed in the culture process, influence on the culture system because of ocean current and sea water fluctuation can be effectively lowered, which is more favourable for the sea cucumber to grow. In the culture process, technicians can pull or put down the net cage by the buoyant raft hanging rope; the buoyant-raft net cage sea cucumber culture device is convenient to operate, effectively lowers culture cost and improves economic benefit.

The invention discloses a holothurian culture water quality restoration agent for effectively removing water eutrophication and a preparation method and application of the holothurian culture water quality restoration agent, belonging to the technical field of aquaculture and marine microorganisms. Aiming at the physiological habit and culture characteristic of holothurian, a marine microorganism technology is applied, the restoration agent consists of bacillus flexus CGMCC No.5115, bacillus subtilis CGMCC No.5116 and bacillus cereus CGMCC No.5117 separated and screened from a holothurian culture environment, corn meal and soya bean meal serving as major culture raw materials are fermented at the temperature of 28-37 DEG C for 24-48 hours, and attapulgite, medical stone and rice hull serving as adsorption and suspension composite carriers are used for processing to obtain the holothurian culture water quality restoration agent for effectively removing water eutrophication. The product can adsorb harmful substances such as heavy ions including Hg<2+>, Pb<2+>, Cr<6+>, Cd<2+>, and Cu<2+> in water bodies, and the content of harmful substances such as ammonia nitrogen, nitrite, and hydrogen sulfide can be greatly reduced. Bottom odor and acidification of water bodies are avoided, pathogenic microorganisms are inhibited effectively, holothurian diseases are prevented, and the holothurian culture yield and quality are improved.

The invention discloses an automatic monitoring system for a sea cucumber aquaculture farm and an implementation method of same. The monitoring system comprises temperature sensors,, dissolved oxygen sensors, salinity sensors, a signal conditioning unit, a signal inspection unit, an SoC microcontroller, an RS232 serial port, a data transmission unit (DTU), a relay, an aerator, fresh water drainage equipment, water temperature reducing equipment and a power supply module, wherein the temperature sensors, the dissolved oxygen sensors and the salinity sensors are distributed at multiple detection points. The monitoring system has a simple structure and a high measurement accuracy, can measure multiple parameters of a water sample, responds rapidly, works without needing manual supervision to save the labor cost, omits wire layout to save raw materials, and can prevent serious loss resulting from deaths of many sea cucumbers due to deterioration of sea cucumber growth environments.

The invention discloses a sea cucumber culturing facility and a culturing method applicable to a marine net cage culture area. The culturing facility comprises a traction rope, a culturing cage, an internal lining dense net and a heavy object, wherein the culturing cage is hung at the bottom of a net cage through the traction rope; the bottom of the body of the culturing cage is provided with the internal lining dense net; and the heavy object is hung at the bottom of the culturing cage. Through the facility and the method, the sea cucumber can be cultured by means of the space of the marine net cage culture area, so that sediments at the net cage area are effectively treated and extra economic benefit is gained, and a good environment condition is provided for the growth of the sea cucumber while the sediments of the net cage area are effectively intercepted and treated.

The invention discloses a sea cucumber feed and a production method of the sea cucumber feed; the sea cucumber feed is prepared by the following components by weight percentage: 45-50% of sargassum pallidum, 15-20% of shell powder, 8-12% of peanut seedlings, 5-10% of soya bean meal, 1-5% of starch, 1-5% of scallop mantle powder and 1-5% of yeast. The production method of the sea cucumber feed is as follows: preparing the above raw materials, tedding the sargassum pallidum, the peanut seedlings and the soya bean meal and removing impurities and sediments in the sargassum pallidum, and the peanut seedlings; respectively crushing the sargassum pallidum and the peanut seedlings which are preliminarily cleaned, as well as the shell powder, the soya bean meal, the starch, the scallop mantle powder and the yeast into fine powder feed raw materials; and weighing the fine powder feed raw materials according to the weight percentage of the above raw materials and mixing fully to obtain a finished product. In the invention, peanut seedlings of terrestrial plants are introduced into the sea cucumber compound feed, partially replace the sargassum pallidum, and have abundant and comprehensive nutrition, low price and wide raw material source, beside, the sea cucumber recovery is easy, the feed cost is reduced and the sea cucumber cultivation benefit is improved.

The invention discloses an alarming and monitoring system and method for a sea cucumber culture farm with artificial reefs. The monitoring system an underwater monitoring unit array, a water surface monitoring center installed on a buoy in the culture farm or a boat body, and a shore station receiving terminal. With the system and method, safety of the culture farm can be guaranteed and the user losses can be reduced. When abnormal situations like stealing of e sea cucumbers cultured with artificial reefs occur, the alarming and monitoring system can carry out alarming rapidly and the user can check the abnormal situation, thereby effectively reducing the losses of the farmer; and the information transparency of the culture farm is improved. With real-time transmission of correlated sea water parameters containing the water temperature and dissolved oxygen, the user can know the situation of the culture frame better.

The invention aims to provide a method and a device for co-cultivating gulfweed and sea cucumber. The device provided by the invention comprises a floating frame serving as a main body and seedling ropes fixed on the floating frame and is characterized in that the floating frame is connected with dropstones for making the floating frame sink down through tying ropes; the specific gravity of materials of the floating frame is not greater than that of seawater. The device provided by the invention is used for cultivating the gulfweed, feeding the gulfweed into a sea cucumber cultivation sea area and co-cultivating the gulfweed and the sea cucumber; through the co-cultivation of the gulfweed and the sea cucumber, the gulfweed can grow efficiently and is used as sea cucumber feeds; and therefore, the device has the advantages of small investment, simplicity in operation and high economical benefit. According to the method provided by the invention, the labor for cultivating the gulfweed and breeding the sea cucumber is reduced, and the contradiction in a space distance that the sea cucumber suitable for demersal living and the gulfweed suitable for overwater living serve as feeds is solved, and the contradiction in time that the gulfweed grows in the day and serves as the feeds at night is solved. The method is small in investment, easy to operate and higher in economical benefit and has a popularization prospect.

The invention relates to a method for breeding sea cucumber in a bathyal half-hanging buoyant raft net cage and the method relates to agriculture-seawater buoyant raft net cage breeding. Seashell seawater buoyant raft net cage breeding with high density in large scale for a long causes environmental deterioration of the breeding sea area, the reduction of nutriment, unsmooth water flow, frequent occurrence of disease and insect pest and the like, so that not only the bred seashell quality is reduced, but the paroxysmal death in large scale also increases the breeding cost and increases the risk of seashell breeding. The invention adopts a novel sea cucumber breeding method that the existing breeding apparatus for the seashell breeding such as a buoyant raft, a net cage and the like are adjusted and changed slightly for use, and the bathyal half-hanging buoyant raft net cage is used for breeding the sea cucumber in the sea area under qualified conditions. Organism and bacteria such as plenty of shells and the like deposited at the seabed of the seashell breeding sea area are all the main bait of the sea cucumber. After one period of 2 to 3 years of the sea cucumber breeding, the ocean ecological environment is improved, the nutriment required by the seashell is recovered, and partial of station rafts are changed to breed the seashell again. The invention can realize that the sea cucumber and the seashell are bred synchronously in proportion.

The invention relates to a bait for sea cucumber culture and process for preparation, wherein the bait comprises the raw materials of protein, fats, carbohydrate, inorganic salts and minerals. The invention realizes low cost and high yield.

The invention provides a multifunctional sea cucumber culture method. The specific culture method comprises the steps that a pond is reconstructed, the bottom of the pond is paved with mud and sand, aquatic plants are cultured in the mud and sand, and sea cucumber attachment reefs are dropped into the pond and attached to reefs; sludge at the bottom of the pond is thoroughly cleared away, disinfection and fertilization are carried out, and a good ecological environment is created for the sea cucumbers, jellyfishes and prawns entering the pond; the sea cucumber dropping specification is 40-400 per kilogram. According to the multifunctional sea cucumber culture method, the sea cucumbers, the jellyfishes and the prawns are subjected to mixed aquaculture; in the culture process, the jellyfishes are weak-light bionts and live in the middle layer of the culture pond; the prawns live in the mud and sand; the sea cucumbers grow on the reefs and the aquatic plants in an attachment mode. The jellyfishes eat substances harmful to the sea cucumbers as bait, the sea cucumbers are prevented from being affected, and healthy growth of the sea cucumbers is guaranteed. The jellyfishes mainly eat hydroplanktons. The prawns eat artificial diet during culturing. The hydroplanktons eat excrement of the prawns. The sea cucumbers, the jellyfishes and the prawns can grow more quickly and healthily through mutual support.

The invention discloses a moss prevention method for a sea cucumber pond based on a construction of alga floating bed. According to characteristics of the living history of moss in the pond, the algafloating bed with a vinylon net screen as a matrix and green alga in the ulva family is constructed in the surface layer of a water body of the sea cucumber pond in the larva phase of moss in the midmonth of March to the midmonth of April, a natural sunlight barrier layer is established with growth of alga, the intensity of incident light to the pond bottom is reduced, growth of moss is inhibited,and biological prevention against moss in the sea cucumber pond is realized.

The invention provides a mechanical device for massive cultivation of sea cucumbers. The technical problems that the existing sea cucumber cultivation device does not have overall consistency, the constant cleaning and the stability of growing environment of the sea cucumber are not take into consideration, large human cost and labor time are consumed, and the labor intensity is high are solved. The mechanical device comprises a culture pond, two parallel sliding rails arranged above the culture pond, a running rail capable of moving on the sliding rails and arranged between the two sliding rails, a lifting hook lifting mechanism capable of moving on the running rail and a human-simulated shaking mechanism located inside the culture pond. The lifting hook lifting mechanism can be connected with the human-simulated shaking mechanism. The mechanical device for massive cultivation of the sea cucumbers is designed according to production requirements of actual farmers and production processes, the constant cleaning and the stability of the growing environment of the sea cucumber are taken into consideration, the wavy stimulation time of the growing environment of the sea cucumber is reduced, the working time is reduced, the labor force is reduced, the labor cost and the impact of human factors are reduced, and the mechanical device enables the cultivation to be convenient and mechanized to be controlled conveniently.

The invention discloses a fully-ecological holothurian cultivation method. According to the method, in the holothurian cultivation period, aquaculture microorganisms and aquaculture traditional Chinese herbal medicine additives are put into a pond for once every three months and totally four times per year; and in June to September, when enteromorpha is prone to grow, siganus oramin is put to control overluxuriant growth of moss and enteromorpha in a holothurian pond in high-temperature seasons. By the technology, the effects of adjusting the water quality of the pond, improving substrate of the pond, adjusting intestinal digesion and absorption of the holothurian, improving the immunity of the holothurians, preventing and treating the diseases of the holothurian, reducing the hibernation period and the aestivation period of the holothurians, prolonging the growth time and the like can be achieved without adding any other medicines; furthermore, the technology is used for performing holothurian cultivation, so that the holothurians yield is high and the cultivation cost is low.

The invention discloses a sea cucumber shelf-stable fermented fresh material and a production method thereof. The production method comprises the steps: with sargassum thunbergii, sargassum pallidum, doederlein spikemoss herb, fish meal, shrimp meal, soybean meal, flour and other raw materials as a basic feed, carrying out superfine crushing, then adding a certain proportion of an EM bacterial liquid and aseptic warm water, stirring evenly, subpackaging into plastic bags, and carrying out sealed standing fermentation for 120 hours. The fermented fresh feed is strong in fragrance, rich in living bacteria and metabolites, high in feed conversion rate, and fast in sea cucumber growth speed; and the product contains 42-45% of water, omits material soaking and other processes, is easy to use, has a shelf life of more than 3 months, is shelf-stable, and is a novel fermented feed developed aiming at sea cucumber aquaculture.

The invention relates to a stereo sea cucumber seedling-raising and multiplication pond comprising an upper part and a lower part, wherein the lower part is a sea cucumber multiplication pond, and the upper part is an artificial sea cucumber seedling-raising workshop. The sea cucumber multiplication pond is in a semi-underground slope earth dam structure, a pond body is enclosed by built-slope earth dam surrounding an excavated pond body; and a water inlet channel, a water outlet channel and a gate are arranged in the pond body, thus seawater flows in naturally or by mechanically lifting, and discharged water can naturally flow out. Support cylinders with a fixed structure are arranged in the sea cucumber multiplication pond and are used as building infrastructure of the artificial seedling-raising workshop. 8-12 of such artificial sea cucumber seedling-raising workshops can be built on the upper part of the multiplication pond, changed and discharged water draining pipes are arranged in each seedling-raising pond in the seedling-raising workshops and thus changed and discharged water can be directly discharged to the sea cucumber multiplication pond at the lower part; and discharge pipes and discharge channels are arranged to discharge excessive changed and discharged water. The stereo sea cucumber seedling-raising and multiplication pond provided by the invention can be used for maximally saving usable earth sources in sea cucumber culture areas, improving the utilization rate of the changed and drained water and bait in the sea cucumber seedling-raising pond and the like, thereby being suitable for sea cucumber seedling raising and multiplication.

The invention relates to a method for breeding juvenile Apostichopus japonicus and belongs to the technical field of sea cucumber culture. The method comprises the following steps: (1) carrying out density control; (2) carrying out feedstuff control; (3) carrying out adhering apparatus drop-off; (4) carrying out inflation; (5) carrying out pond changing; and (6) carrying out sheet changing. According to the method, through taking the measures of controlling temperature, controlling light, strengthening feeding, and the like, diseases can be effectively prevented and treated, and the high-density breeding of offspring is achieved; and healthy juvenile Apostichopus japonicus is bred by taking the technical measures of carrying out water quality regulation and control, carrying out scientific feeding, carrying out ecological disease prevention, and the like. The utilization ratio of water is effectively increased, the disadvantages of the traditional extensive culture are overcome, the quality of cultured Apostichopus japonicus is adequately guaranteed, and the factory, industrialized and modernized culture of the Apostichopus japonicus is promoted.

A multipurpose netting for a mariculture net cage relates to mariculture equipment and comprises a top net, a bottom net, a sea cucumber culture attachment base, side nets, net ribs and net cords 7; a middle net 5 is arranged between the bottom net and the top net; an abalone culture habitat base 13 is arranged on the middle net and comprises bird-nest-shaped habitat nests 13 distributed on the middle net and abalone movement porous plates 14 close to the habitat nests; each bird-nest-shaped habitat nest is formed by buckling an arc-shaped buckling cover 16 on a porous base plate 15; and an opening allowing abalones to enter and exit is arranged at the front end of each habitat nest. The netting has the advantages that the bottom net of the net cage is used for farming sea cucumber, the middle net is used for farming abalone, and the space of the net case is fully utilized; two sea products can be farmed in the same cage; and abalone eat plankton like seaweeds, excreta of the abalone is food of sea cucumber, and thus a food chain is formed, so that organic matter resources of sea creatures are fully used, feed given by a human can be saved, culture cost is reduced, and culture benefits are improved.

The invention discloses a double-layer three-dimensional sea cucumber inhabitation cage for a culture pond. The double-layer three-dimensional sea cucumber inhabitation cage comprises two bottom layer long semi-cylindrical inhabitation cages and a top long semi-cylindrical inhabitation cage, wherein the arc surfaces of the bottom cages face upwards; the arc surface of the top cage faces downwards; three long semi-cylindrical inhabitation cages are connected into a whole; in each long semi-cylindrical inhabitation cage, semi-cylindrical perforated sclerites serving as support pieces are arranged at the intervals 0.5-1.5 meters, the diameters of the semi-cylindrical sclerites are 0.2-0.3 meter, and circular holes of which the diameters are 5 centimeters are uniformly distributed on the sclerites; the sclerites are semi-enclosed into a long semi-cylindrical inhabitation cage by using a strip-shaped narrow fine-mesh knitted mesh; one side of the inhabitation cage is provided with a strip-shaped opening of which the width is 5-8 centimeters for serving as a sea cucumber inlet/outlet; the length of the double-layer three-dimensional sea cucumber inhabitation cage is 30-50 meters; duringarrangement in the culture pond, a plurality of inhabitation cages are arranged from one end of the pond to the other end of the pond in the length direction of the pond by connecting; and the inhabitation cages are arranged at the intervals 2-3 meters in the width direction of the pond. According to the double-layer three-dimensional sea cucumber inhabitation cage, the problem of unreasonable inhabitation structure of the conventional sea cucumber culturing pond suitable for the life habit of sea cucumbers is solved; and the double-layer three-dimensional sea cucumber inhabitation cage is suitable for sea cucumber culturing.

The invention discloses a culture method of sea cucumber in the aquiculture field. A simulative seawater-culture pond and a natural seawater-culture pond are arranged. An arched shed is arranged above the simulative seawater-culture pond and is covered with a diaphanous film and a shady covering. The water used in the simulative seawater-culture pond is prepared by blending natural sea water with seaside well water containing salt, the salt content of the water ranges from 2.9% to 3.6%, and the water temperature is adjusted by controlling the proportion of the natural water to the seaside well water containing salt. Through the stages of spring culture, summer culture, autumn culture and winter culture, the method can avoid the aestivation and hibernation of sea cucumber, thus realizing the perennial growth and development of sea cucumber; compared with the natural aquiculture, the yield is enhanced. The method is applicable to the artificial culture of sea cucumber.

The invention discloses a sea cucumber culture pond which comprises a culture pond body (1); a water outlet (2) is arranged at the bottom of the culture pond body (1); the seam cucumber culture pond is characterized in that the culture pond body (1) is in a reversely circular table shape; the water outlet (2) is arranged in the circle center of the bottom surface of the culture pond body (1); a culture mesh (3) matched with cross section of the culture pond body (1) is arranged close to the bottom of the culture pond body (1); a water inlet pipe (4) tangent with the track of the top cross section of the culture pond body (1) is arranged on the upper part of the culture pond body (1). The sea cucumber culture pond can automatically drain when exchanging water, thereby saving the charge and the labor force of cleaning the pond in fixed time and reducing the culture cost of sea cucumber.

The present invention provides a processing technology of a sea cucumber cultivation feed. The preparation method of the sea cucumber cultivation feed includes following specific steps: raw materials-grinding-mixing-superfine grinding-cooking-granulating-grinding. The raw materials are coarsely ground respectively, added into a mixer, mixed evenly, then placed in a superfine pulverizer, ground to over 80 mesh, granulated by passing through a granulator, sealed packaging after being ground to needed granules once again. The nutritional components of the sea cucumber feed prepared by the invention have the advantages of better stability, rich and balancing nutrition, the hand-fed sea cucumber has better development, quick growth rate which is 1.5-2.0 times faster than that of sea cucumbers fed with the traditional cultivation method, thereby greatly improving the production efficiency of the sea cucumber cultivation, meanwhile, reducing the pollution to aquaculture water.