64 results about "Penaeus plebejus" patented technology

The invention discloses a staged desalinization culturing method for penaeus vannamei boone. The method comprises the steps such as selection of penaeus vannamei boone offspring seeds, a staged offspring seed desalting process, treatment on quality of offspring seed desalination water, treatment on quality of water in a culturing process, routine culture and management and the like. By utilizing the staged desalinization culturing method for penaeus vannamei boone provided by the invention, the problem that penaeus vannamei boone dies due to osmotic pressure change caused by salinity change is overcome, and the desalinization culturing of the penaeus vannamei boone is achieved, thus the method provided by the invention has important practical application value.

The invention discloses a penaeus vannamei farming method combining bioflocculation technology and a multi-trophic-level integrated farming mode. The penaeus vannamei farming method combining the bioflocculation technology and the multi-trophic-level integrated farming mode includes the steps such as early-stage preparations of farming conditions, putting of penaeus vannamei and small-size fish, swamp cabbage planting, starch addition and feeding feedstuff management. According to the method, the multi-trophic-level integrated farming mode and the bioflocculation technology are innovatively applied to penaeus vannamei farming in a combining mode, namely, a multi-trophic-level integrated farming system composed of polyculture of the penaeus vannamei, the small-size fish and swamp cabbages. Starch is added in the farming system to serve as carbon source cultivation biological floccules. The levels of ammoniacal nitrogen and nitrous nitrogen in a water body are controlled through a bioflocculation action. Simultaneously, residual bait and excrement are utilized to form bacterium floccules which prawns and the small-size fish can ingest and utilize, and therefore the survival rate of the penaeus vannamei and the efficiency of feed utilization are improved. Relative to an ordinary single-farming mode, aspects of ecological benefits, economic benefits and farming effects in the farming system all achieve obvious effects.

The invention provides a penaeus monodon industrialized high-density cultivating technology, comprising a young shrimp coarse standard pond, an intermediate cultivating pond, an adult shrimp cultivating pond, a rotary-drum microstrainer, an air-sifter type protein separator, a positive-negative biological processor, a purifying device, a sedimentation tank, an algae biological processor and a controller. According to the penaeus monodon industrialized high-density cultivating technology, the problems that the prawn survival rate is low, the benefit and yield are not prominent, the occupied area is overlarge, and the environmental pollution is severe are fundamentally solved through cultivating penaeus monodon by utilization of industrialized circulating water; by employment of grading multistage cultivation, the aquaculture water space can be sufficiently utilized, the water quality is guaranteed, the possibility of disease occurrence is reduced, the cultivating success rate is improved, drugs are prevented from being used, and the food safety is guaranteed; organic carbon is added in the aquaculture water through a biological floccules device so as to adjust the proportion of carbon to nitrogen, and sufficient oxygenation is combined at the same time, so that the growth of heterotrophic bacteria in the water can be promoted, ammonia nitrogen and nitrite nitrogen are reduced up to 98-100%, the feed quantity required for cultivating creatures is reduced, and the benefit is increased.

The method of establishing bred prawn pedigree and selectively breeding improved prawn variety includes selecting 10-20 % parent prawn with strong activity, normal physical sign and weight 15-20 % over the average weight; separated breeding of mated female prawn in separate spawning pond, selecting individuals with high hatchability, continuous selection in breeding, establishing basic pedigree; and optimizing in three key growth periods of prawn including nauplius larva period, commercial prawn period and pre-maturation period. The said method of the present invention may be used in selectively breeding new prawn variety with high quality and high yield. The present invention makes it possible to research the genetic characteristic and variety differentiation of prawn via the mating between male and female prawns in the same pedigree and different pedigrees.

The invention provides a pond eco-culture method for prawns. The method comprises the steps: on the basis of culturing the prawns in a pond, raising at least one kind of aristichthys nobilis, Hypophthalmichthys molitrix, eels, soft-shelled turtles, hemibarbus maculates, pelteobagrus fulvidraco and xenocyprininae; in a culture cycle, adding a composite microbial preparation to a water area of the pond at the interval of 5-30 days according to the ratio of 1-15g / m<3>, wherein the composite microbial preparation contains photosynthetic bacteria, bacillus and nitrobacteria; and meanwhile, arranging a water plowing machine for the culture pond, so as to improve the uniformity and replenishment capacity of dissolved oxygen of water. According to the pond eco-culture method, by an ecological regulating and controlling technology, the reasonable conversion of organic remnant bait and excrement is promoted, and the yield and quality of culture of the prawns are improved.

The invention discloses a breeding method for fine breeds of the litopenaeus vannamei. The breeding method comprises the steps: (1), introduction of a basic population; (2), screening of the basic population; (3), intensifying of parent shrimps; (4), building of a family; (5), standardized breeding of young shrimps; (6), independent breeding of the family; (7), family testing; (8), determining of a target family; (9), expanding of propagation; (10), colony breeding of the target family; and (11), breed conservation. Compared with the prior art, the breeding method for the fine breeds of the litopenaeus vannamei has the advantages of being high and stable in yield, resistant to stress and suitable for the high-salinity and low-salinity breeding environment of China.

The invention provides a farming method of penaeus vannamei boone, The method can increase the yield and quality of the penaeus vannamei boone. The method includes the steps that a pool is prepared, seedling is bred and fodder is prepared, exuviation and synchronous growth are promoted, and catching is processed. The invention has the advantages that feeding density is reduced and survival rate of shrimps is high. The problem of the survival rate of shrimps influenced by fry degradation because of high-density feeding module is solved. The water quality can be controlled during feeding. The left fodder, excreta of penaeus vannamei boone, dead algae and the like can be collected to the central area of the pool by air circulation in the process of oxygenation, a relative large clean water area is formed at the surroundings of the pool, and a clean survive room for shrimps is provided. The daily management to shrimps and pool is processed during feeding, shrimp diseases are reduced. The promoted exuviation and synchronous growth enable the shrimps to be average in size and stable in quality. When the shrimps grows to 8 to 10 centimeters, the shrimps can be caught in time, the load to the pool is relieved, the diseases are controlled, good water environment of the pool is ensured, and the yield of shrimps is increased.

The invention relates to a litopenaeus vannamei relay type breeding mode. For the litopenaeus vannamei relay type breeding mode, phased breeding management of specific pond desalination and standard size breeding, high-density fine breeding and timely accurate sparse breeding is conducted in a greenhouse pond, a transition pond and a breeding bond respectively, beneficial microorganisms are used for conducting directional adjustment and control on pond microbial ecology in the whole breeding process, a technology of catching and stocking in rotation is combined, and litopenaeus vannamei relay breeding in different spaces is achieved. The litopenaeus vannamei relay type breeding mode has the advantages that the pond utilization rate is high, two-batch litopenaeus vannamei larvae can be bred in one year, the time of juvenile litopenaeus vannamei staying in the breeding pond is short, the water quality and substrate are not prone to deterioration, after the juvenile litopenaeus vannamei is put into the breeding pond, the survival rate is high, precision of breeding management measures of feeding and the like is easy, the breeding water quality and microbial ecology are easy to control, the breeding yield is high, and the breeding benefit is high.

The invention discloses a pond polyculture method of Chinese fresh-water turtle Japanese strain and Litopenaeus vannamei Boone, which comprises the following steps: (1) selecting a pond which has a quiet environment, no pollution in the circumference, sunny exposure and adequate water source and is out of the wind; (2) clearing and disinfecting the pond, storing water and culturing basic bait; (3) putting young Litopenaeus vannamei Boone into the pond from April 20th to May 15th, feeding with artificially compounded shrimp bait, and carrying out water quality management; after 25-35 days of growth of the shrimps, migrating the Chinese fresh-water turtle Japanese strain into the pond for culturing, feeding artificially compounded turtle bait from the day after the turtles are put into the pond, and carrying out culture management work; and (4) shrimping the Litopenaeus vannamei Boone for sale successively in August, and catching the Chinese fresh-water turtle Japanese strain for sale from December to March in the next year. The invention saves energy, reduces the occurrence probability of shrimp diseases, solves the problems of high risk, low land use capability, high culture cost and the like in the current pond culture, effectively improves the qualities of the shrimps and the turtles, and improves the economic benefit of culture.

The invention discloses a microbial fermentation feed for litopenaeus vannamei. The microbial fermentation feed is prepared by the following specific steps: after fully mixing photosynthetic bacteria and bacillus, adding brown sugar and uniformly mixing to obtain a mixture A; uniformly spraying the mixture A on a commercially available feed for litopenaeus vannamei to obtain a mixture B; filling the mixture B in a sealed container, and sealing at a normal temperature for fermenting, wherein the fermentation is completed when the temperature of the center of the sealed container rises to 45 DEG C; and taking out a fermented mixture B, air-drying and bagging to obtain the microbial fermentation feed for the litopenaeus vannamei. The microbial fermentation feed for the litopenaeus vannamei, provided by the invention, is suitable for a later charging amount rapid-increasing stage during aquaculture of the litopenaeus vannamei, and is a health care functional feed product which has the functions of increasing the feed utilization rate and the digestibility, protecting the liver of the litopenaeus vannamei and promoting the intestinal bacterium equilibrium.

The invention relates to an intermediate rearing method for Sargassum thunbergii Kuntze seedlings, which is characterized in that: breeding waste water from industrial greenhouse breeding performed by pumping underground seawater is used for the intermediate rearing of the Sargassum thunbergii Kuntze seedlings; and filter-feeding shellfish and / or prawns are cultured in a culture pond. By using breeding waste water from industrial greenhouse breeding performed by pumping underground seawater for culturing Sargassum thunbergii Kuntze seedlings, the invention provides an intermediate rearing method for Sargassum thunbergii Kuntze seedlings in northern China. In the method disclosed by invention, the overwintering and aestivating problems in the propagation process of the Sargassum thunbergii Kuntze seedlings are successfully solved by using the energy of breeding waste water, and the Sargassum thunbergii Kuntze seedlings grow fast constantly; and the Sargassum thunbergii Kuntze can absorb organic waste in the breeding waste water, so that the waste water from the industrial greenhouse breeding is recycled, and ocean environment is protected. Meanwhile, a large amount rearing and management cost is saved by using the inhibition effect of the filter-feeding shellfish and prawns on the enemy organisms of the Sargassum thunbergii Kuntze seedlings in an early growing stage.

The invention provides an ecological method for breeding young shrimps of litopenaeus vannamei in outdoor water. The method is characterized in that an indoor cement floor is changed into an outdoor cement floor, wherein the inoculation density of algae is controlled to be 5000-8000cell / ml; the inoculation time is controlled to the time before nauplii begin to be changed into zoea under the inoculation density; the synchronization between growth and propagation of the algae and requirements of an ecological system on the density of the algae is ensured; an inoculation density of rotifers is 5-10 / ml, and the inoculation time is the time before the nauplii begin to be changed into the zoea, thereby ensuring that the growth and propagation of the rotifers are e synchronous with the requirements of the young shrimps; the inoculation time of artemia is acanthosoma; the water transparency is retained at 80-120cm; the artemia has the effect of purifying the water; the content of ammonia nitrogen in the overall water is smaller than 0.2, and the content of nitrite is smaller than 0.02; the food intake of the young shrimps and the rotifers are not affected. Through the balance control on a young shrimp rearing water ecological system in the whole production process, the young shrimps take endogenous high-quality natural baits as the major food all the time; the cultured young shrimps of the litopenaeus vannamei are excellent in nutrition, healthy and high in quality.

The invention provides a culture water quality regulating and controlling method of a penaeus vannamei boone freshwater pond. The culture water quality regulating and controlling method comprises the following steps in sequence: (1) carrying out anaerobic nitrification; (2) carrying out aerobic nitrification; (3) purifying photosynthetic bacteria; (4) carrying out microalgae cultivation and purification. Water pumped out from the freshwater pond for culturing penaeus vannamei boone is subjected to the anaerobic nitrification, the aerobic nitrification, the photosynthetic bacterium purification and the microalgae cultivation and purification in sequence, and then the water is reflowed back to the freshwater pond for culturing penaeus vannamei boone. According to the culture water quality regulating and controlling method, organic matters in the pond water can be decomposed into small molecular substances and the small molecular substances are cultured and absorbed by the photosynthetic bacteria and mixotrophic microalgae, and are converted into a microalgae organism; the treated and qualified water and cultured beneficial microalgae are discharged into the pond for cyclic utilization; after the beneficial microalgae enter the pond, population advantage is formed and a culture biological environment is improved; the water quality treatment effect is good, and a whole water treatment process does not utilize a culture water body and normal growth of the penaeus vannamei boone is not influenced; the method is high in operability and low in operation cost, and is safe and reliable to the cultured penaeus vannamei boone.

The invention discloses a parent litopenaeus vannamei breeding system and method. The parent litopenaeus vannamei breeding system and method are designed and obtained by simulating the natural living state of litopenaeus vannamei. By means of the breeding system, the structure is simple, the energy consumption is saved, and management is convenient; as for the litopenaeus vannamei bred through the breeding system and method, bodies are strong, appendages are sound, body colors are transparent, stomachs and intestines are plump, body surfaces are smooth, attachments are avoided, and the three kinds of viruses including the WSSVes, the TSVes and the IHHNVes are avoided; in addition, the parent litopenaeus vannamei is large in egg laying amount, long in continuous egg laying time and high in nauplius hatchability, metamorphosis rate, young litopenaeus vannamei breeding rate and survival rate.

The present invention discloses a medicinal bait additive for preventing and treating enterocytozoon hepatopenaei of litopenaeus vannamei. The medicinal bait additive comprises the following components in parts by weight: 8-32 parts of marine red yeast powder, 30-75 parts of albendazole, 8-32 parts of spirulina powder and 5-10 parts of garlic powder. The medicinal bait additive is used in a compound feed for the litopenaeus vannamei and has an addition amount of only 6-12%; and the medicinal bait additive can also be mixed with the feed at a weight ratio of 1:10 for feeding before feeding. Themedicinal bait additive uses an internal administration route, so that a medicine internal environment is formed in a host body, the medicinal bait additive is subjected to blood circulation to reachtarget organs and parasites cannot survive. The medicinal bait additive can effectively kill the enterocytozoon hepatopenaei in the litopenaeus vannamei body, is non-toxic to the litopenaeus vannameibody, does not cause medicine residues in the litopenaeus vannamei body, at the same time also does not cause pollution to the breeding environment, and can effectively play a therapeutic role in thediseased litopenaeus vannamei infected by the enterocytozoon hepatopenaei.

The invention discloses a Coccoloba uvifera, prawn, and abalone stereo ecological breeding method, and relates to the technical field of aquaculture. The Coccoloba uvifera, prawn, and abalone stereo ecological breeding method is used to breed Coccoloba uvifera, prawns, and abalones together in an artificial culture pond with a water circulation filtering intelligent controllable device, and by using a food chain and energy transformation relations, a mutualism ecological system of the Coccoloba uvifera, prawns, and abalones is formed. The method solves problems that culture investment of a single aquatic product culture process by using indoor closed circulating water is high, and risk is high.

The invention discloses a method for breeding macrobrachium nipponense in two seasons. The provided method for breeding macrobrachium nipponense is scientific and reasonable, living habits and nutrient demands of macrobrachium nipponense are fully taken into account, organic fertilizer is applied as base fertilizer and can serve as low-release fertilizer, and meanwhile, application of chemical fertilizer is avoided, so that influences of chemicals on young shrimps are reduced; since macrobrachium nipponense is characterized by preferentially eating food matched with their mouth sizes, macrobrachium nipponense is fed with feed matched with different mouth sizes according to different growth stages of macrobrachium nipponense, and therefore the requirement of eating food matched with the mouth sizes is met. By removing silt at regular time, injecting water, conducting oxygenation and carrying out other management methods, the content of toxic harmful organic matter and bait residues canbe effectively reduced, and water is kept clean and healthy. Macrobrachium nipponense bred by means of the method is high in yield and quality.

The invention discloses a litopenaeus vannamei freshwater cage culture method comprising the steps of cage preparation, cage setting, graded culture, fish variety matching, feed feeding, oxygenation control, and the like. According to the invention, with the controlling over the setting of the cage, the matching of fish varieties, feed feeding frequencies, oxygenation times and the like, the litopenaeus vannamei no longer live in the pond bottom which is rich in decayed matters. Therefore, litopenaeus vannamei disease rate is reduced, and dead and diseased litopenaeus vannamei can be removed in time conveniently, such that disease spreading is prevented. The water quality can be effectively improved, feed utilization rate is improved, and sufficient dissolved oxygen in water is effectively ensured, such that a theoretical dissolved oxygen vulnerability problem is avoided. Also, a plurality of feed stages are alternately arranged in the cage, such that litopenaeus vannamei can live in different water levels in the cage, and culture yield can be improved.

The invention discloses an ecological industrialized culture method and system for litopenaeus vannamei. Fresh seawater sequentially passes through a water treatment area, a high-position pond culturearea, a facility culture area, a solid metabolite collection area and a pond ecological culture area and the wetland purification area to recycle culture wastewater, the water quality pollution is treated in time, thus, the water quality of a shrimp pond is always kept in a good state, and the litopenaeus vannamei can grow normally and healthily.

The invention belongs to the technical field of aquaculture, and particularly relates to an aquaculture method for increasing the survival rate of penaeus vannamei boone. The aquaculture method includes preparation steps of 1), separately feeding every 100 pieces of penaeus vannamei boone with 0.7-0.9 g of feed A by 3-4 times on a daily basis at aquaculture earlier stages; 2), separately feeding the penaeus vannamei boone with feed B by 3-4 times on a daily basis at aquaculture middle stages; 3), separately feeding the penaeus vannamei boone with conventional special penaeus vannamei boone feed by 3-4 times on a daily basis at aquaculture later stages; carrying out other aquaculture steps according to conventional processes. The daily feeding quantity of the feed B accounts for 4-6% of thetotal weight of the penaeus vannamei boone in each pond. The daily feeding quantity of the conventional special penaeus vannamei boone feed accounts for 3-4% of the total weight of the penaeus vannamei boone in each pond. The aquaculture method has the advantages that traditional Chinese medicine liquid is sprayed to the conventional special penaeus vannamei boone feed at the aquaculture earlierstages and the aquaculture middle stages of the penaeus vannamei boone, synergistic effects can be realized by various raw materials of the traditional Chinese medicine liquid, and accordingly the survival rate of the penaeus vannamei boone can be effectively increased; the raw materials for the traditional Chinese medicine liquid are natural, non-toxic, green and safe, and influence on the palatability of the feed can be prevented.

The invention discloses a penaeus vannamei fry circulation desalination cultivation method. The method comprises the steps of S1, fry selection; S2, first-stage desalination; S3, second-stage desalination; S4, third-stage desalination. According to the penaeus vannamei fry circulation desalination cultivation method, the period of penaeus vannamei desalination can be shortened, and the cost is reduced.

The invention provides application of prawn nauplii in clearing of zooplankton in a shellfish aquaculture pond. In the shellfish aquaculture pond, no bait is fed to the stocking prawn nauplii. The biological characteristic that the healthy prawn nauplii intake zooplankton such as rotifers, copepoda and cladocerans in the growth process is utilized; meanwhile, the characteristic that shellfish in the pond cannot be injured or interfered is utilized; a biological method is used for clearing the zooplankton in the shellfish aquaculture pond. Compared with an existing medicine-using method and an existing physical fishing removing method, the method adopted by the invention has the advantages that the use is convenient; the operation is simple; the cost is low; medicine residue hidden danger does not exist; the safety is high; economy and feasibility are realized, and the like.

The invention discloses an additive premix for a high-salinity cultured pennaus vannamei feed. The premix comprises composite vitamins and composite trace elements, wherein the composite vitamins and the composite trace elements are mixed in a ratio of 1: (2-4) to prepare the premix, and 20 to 30kg of the premix is added in every ton of the pennaus vannamei feed. The additive premix of the high-salinity cultured pennaus vannamei feed is stable in raw material source, high in nutrition value, capable of meeting the needs of high-salinity cultured pennaus vannamei on vitamins and trace elements, is safe, efficient and free of toxic and side effects if used for a long time; the vitamins and the trace elements in the premix for the pennaus vannamei feed are prepared separately, and therefore the relative stability of physicochemical properties among the various nutrients is ensured and a high biological value is achieved; the additive premix for the high-salinity cultured pennaus vannamei feed is capable of remarkably enhancing the immune function and the anti-stress ability of pennaus vannamei in a high-salinity culture environment, and the cultured pennaus vannamei grows fast, is high in feed conversion rate, is full of vitality, has a bright body colour, and is high in survival rate.

The invention discloses a prawn nursery pond and a method for growing seedlings of the prawn which is applied to the prawn nursery pond. The prawn nursery pond is outdoor and open, the bottom of the prawn nursery pond is sandy , argillaceous or is laid with a black plastic film. The method for growing seedlings of the prawn comprises the steps of adopting the prawn nursery pond; inoculating golden algae and chlorella before a larva opens the mouth, and utilizing pure natural light to cultivate the algae; putting nauplius of the prawn into the nursery pond after the water quality if the nursery pond is stable; feeding rotifera in the phases of zoea and mysis after the nauplius opens the mouth; feeding the rotifera and moina Mongolica daday in post larvae phase; harvesting prawn seedlings when the post larvae grows to 4-6 periods. By utilizing the nursery pond and the method to cultivate the seedlings of the prawn, the growth of the larva is synchronized, the variable coefficient of the prawn seedlings is small, the specification is orderly, the survival rate is high, the cultivating speed is high, the cultivating cost is low, and the nursery pond and the method are beneficial to popularization in various regions.

The invention discloses a breeding method for a novel salinity-fluctuation-resistant variety of Penaeus monodon. According to the invention, by starting with Penaeus monodon larvae for domestication and selection, and by adoption of simultaneous and slow decrease of upper and lower limit salinities in each salinity range at first, the salinity gradually declines to about 15 degrees from a high initial level, and gradual decrease of a median in each salinity range is guaranteed, so an average salinity is reduced, and Penaeus monodon is mainly to gradually adapt to the growth environment of a low salinity in Penaeus monodon larva and young Penaeus monodon stages; and after completion of above-mentioned salinity decrease, by continuous remaining of a manner of simultaneous decrease of an upper limit salinity and a lower limit salinity, significant enhancement of a fluctuation range formed by a difference salinity of the upper and lower limit salinities starts to emerge during salinity decrease, and with changing of the salinity fluctuation range to a greatest extent, the lower limit salinity in a salinity range gradually declines to a lowest level at the same time; thus, the young Penaeus monodon basically grows into adult Penaeus monodon and has stronger stress-resistant ability, and the overall trend is to guarantee slow and gradual decrease of the salinity of a breeding water body and to enable the Penaeus monodon to be able to adapt to significant fluctuation of the salinity at the same time.

The invention in particular relates to an application of a bdellovibrio sp. leech plasmid in cultivating marine products such as penaeus monodon, and the like. The invention is realized by adding a bdellovibrio sp. leech plasmid to the water body and the feeds. The invention is realized specifically based on cultivation pond conditions, preparation before stocking, shrimp postlarvae selecting andstocking, feeding management and water environment management in the cultivation period. The invention is characterized by adding a bdellovibrio sp. leech plasmid bacterium solution to the water bodyand ensuring the concentration of the bdellovibrio sp. leech plasmid in the water body to be 101-107pfu / mL, simultaneously soaking the feeds in the bdellovibrio sp. leech plasmid bacterium solution with the concentration of 101-107pfu / mL for 30 minutes and changing water once every 30 days in the cultivation period. The invention provides a method for cultivating organisms. The method has the advantages of environment friendliness, safety, no pollution, obvious effect and capabilities of improving the water quality, promoting growth of penaeus monodon, improving the immunity and improving thesurvival rate, thus having wonderful development prospect. The invention has very important significance in improving the economic benefits and eating safety and guaranteeing human health.

The invention discloses a method for breeding red green crabs in a pond. On-line monitoring of pond water dissolved oxygen amount is started in 30-60 days before the red green crabs come into the market, a critical value is set, and when the pond water dissolved oxygen amount is lower than the critical value, an aerator is started to ensure that the pond water resolved oxygen amount is higher than the critical value. The critical value is 3.5mg / L to 4.5mg / L. Food containing astaxanthin is fed to the red green crabs in 30-60 days before the red green crabs come into the market, and each crab is made to intake more than 11.5g of astaxanthin. By means of the method, sufficient dissolved oxygen in the crab pond can be guaranteed, negative effects on astaxanthin deposition from changes of environmental factors are weakened, the organoleptic quality and the taste of the crabs in ponds can be improved, and therefore economical benefits of breeding crabs in the pond are increased. The method is simple in operation, easy to implement and low in cost.

The invention discloses a fishing light complementary greenhouse prawn intensive culture system which comprises a prawn culture tank. A purifying area and a water storage tank are arranged on two sides of the prawn culture tank, an arch-shaped greenhouse is mounted above the prawn culture tank, a drainage port is formed in the bottom of the prawn culture tank, a drainage pipe is connected at the lower end of the drainage port, the greenhouse comprises supporting rods, steel frameworks are obliquely connected between the supporting rods, transparent sunshine boards are mounted on the supportingrods, solar photovoltaic components are arranged on the transparent sunshine boards, the transparent sunshine boards are mounted on the greenhouse, solar photovoltaic power generation and lighting requirements of the whole greenhouse are ensured, solar photovoltaic power generation can support inner power utilization of the greenhouse, the transparent sunshine boards can improve the temperature of the greenhouse, and land resources and sun resources are sufficiently utilized. The device is system is simple in structure, convenient to operate and suitable for large-scale popularization.