116 results about "Shrimp farming" patented technology

The invention discloses a penaeus vannamei culture system with a purification function, which comprises a circulating water tank, a second sedimentation tank, a culture pond, a sludge well and a first sedimentation tank, a channel is arranged below the bottom of the culture pond, and the circulating water tank and the sludge well are both communicated with the channel; a sludge pumping mechanism is arranged above the sludge well; a second water pump is arranged between the culture pond and the second settling pond, and the second water pump pumps pond water in the culture pond into the second settling pond; a disinfection assembly and a filtering assembly are arranged between the second sedimentation tank and the circulating water tank, and the disinfection assembly and the filtering assembly sequentially pump out, disinfect and filter clear water in the second sedimentation tank and then convey the filtered clear water to the circulating water tank. The purification device is matched with a purification method, sludge at the bottom of the pond can be treated and recycled, the influence of harmful factors on the water body is reduced, meanwhile, the water body is treated and recycled, the water quality becomes better, and white prawn culture is facilitated.

The invention discloses a prawn culture-oriented ecological environment condition dynamic evaluation system, and relates to the technical field of culture, prawn metabolism states under different salinity are tested through a test module, the influence of salinity on prawn metabolism can be analyzed, an appropriate salinity range is preliminarily screened out by constructing an influence coefficient Yxxs, and the salinity of prawns can be evaluated according to the influence coefficient Yxxs. According to the method, the defects of traditional empirical judgment are overcome, salinity optimization is more scientific and digitized, and the survival rate and the culture efficiency of the prawns are improved. The survival rate Chz is obtained through secondary screening of the survival analysis module and in combination with survival conditions lasting for the same duration under different salinity, and the salinity in the culture pond is further optimized according to the value, so that the influence of salinity change on prawns can be continuously monitored, the culture environment can be dynamically adjusted, and the survival rate of the prawns is improved. It is ensured that prawns grow under the optimal survival condition, and therefore the death risk caused by environment changes is reduced.

The invention provides a prawn immunity-enhanced fermented functional feed and a preparation method thereof. Belongs to the field of animal feed. The feed comprises a basal feed and a feed additive, the feed additive comprises the following components: lactobacillus plantarum fermentation liquor, passion flower flavone and an immature bitter orange extract. Three functional components including the lactobacillus plantarum fermentation liquor, the passion flower flavone and the immature bitter orange extract are fused, a synergistic interaction system is constructed through a definite proportion, and the immunity of prawns is remarkably improved; the sources and the content of effective components of the immature bitter orange extract and the lactobacillus plantarum fermentation liquor are strictly limited, and the controllable product quality is ensured; the preparation process of the feed is simple, the key growth stage of shrimp culture is accurately positioned, and a comprehensive solution integrating probiotic regulation and control, plant active ingredient immune activation and process feasibility is provided for healthy culture of prawns.

The invention discloses a marker gene composition for identifying and diagnosing white feces syndrome of prawns and application of the marker gene composition. According to the marker gene composition, transcriptome high-throughput sequencing is carried out on intestinal tissues of collected prawns suffering from the white stool syndrome and healthy prawns, and after transcript expression level data is obtained, the marker gene composition capable of being used for identifying and diagnosing the prawn white stool syndrome is obtained by utilizing a random forest algorithm. According to the marker gene composition, transcript expression level data of each gene in the marker gene composition is utilized, a model and a system for identifying and diagnosing the prawn white feces syndrome are also constructed in combination with a random forest algorithm, prawns suffering from the white feces syndrome can be accurately predicted by utilizing the model and the system, and therefore identification and diagnosis of the prawn white feces syndrome are achieved. Based on the marker gene composition, the accuracy of constructing a model and identifying and diagnosing the prawn white feces syndrome by using the marker gene composition is high, the result is stable and reliable, the prevention and treatment of the prawn white feces syndrome are facilitated, and the healthy development of the prawn culture industry is guaranteed.

The utility model discloses a fry putting device for rice field lobster breeding, and relates to the field of crayfish rice field breeding, the fry putting device comprises a bearing plate main body, a lifting mechanism, a quantity control mechanism and a floating mechanism, the upper end of the bearing plate main body is provided with the lifting mechanism, one end of the lifting mechanism is provided with the quantity control mechanism, and one end of the bearing plate main body is provided with the floating mechanism. Through the arrangement of the bearing plate main body and the quantity control mechanism, the quantity limiting plate installed in the device can move on the limiting groove to open one side of the seedling containing frame, then the motor is started and controlled to drive the quantity control shaft hinge to rotate clockwise, and the quantity of shrimp seedlings sliding out of the lower end of the quantity limiting plate is controlled to be thrown into a rice field. Rubber pads are mounted on the surfaces and the edges of the quantity control shaft pages in a wrapping manner, so that damage caused by the prawn seeds in the throwing process is effectively prevented, and the protection effect and the quantity control throwing effect of the prawn seed throwing device are improved.

The utility model discloses a geothermal energy heating system suitable for factory circulating water shrimp culture, which comprises a geothermal energy heat taking system, a ground source heat pump system, a water distribution main pipe, a shrimp culture pond bottom heating system, a water storage pond bottom heating system, a shrimp culture shed indoor heating heat exchange system, a water return main pipe and a heating water circulating pump, the water supply main pipe is connected with the input end of the shrimp culture pond bottom heating system, the input end of the water storage pond bottom heating system and the input end of the shrimp culture shed indoor heating and heat exchange system through pipelines. An efficient, environment-friendly and economical solution is provided for factory-like circulating water shrimp culture, and the method is an important technical innovation for promoting the aquaculture industry to develop towards the green and sustainable direction.

The invention discloses a penaeus vannamei breeding system which comprises a penaeus vannamei breeding pond, a flocculation box, a sedimentation pond, a filtering tower and an ecological pond. The white prawn feeding pond is connected with the flocculation box through a drainage pipeline, and the flocculation box is connected with the sedimentation pond through a first output pipe; spraying heads are arranged on the top of the tower body, and a water storage cavity is formed in the bottom of the tower body. The sedimentation tank is connected with the spray header through a water flow hose, and the water storage cavity is connected with the ecological tank through a second output pipe. By arranging the flocculation tank, the sedimentation tank, the filter tower and the ecological tank, the white shrimp culture tail water can be thoroughly cleaned, and pollution caused by the fact that the tail water is discharged into rivers and soil is avoided; tail water can be treated in a classified mode, treatment is more complete, impurities in the tail water can be flocculated, filtered and disinfected, filtered objects are convenient to clean, and the tail water treatment device is suitable for practical use of white shrimp culture.

Provided are multi-function device for intensive shrimp farming, intensive shrimp ponds using this device and method for operating this pond. The multi-function device of the present invention comprises: water flow generator; feeder unit; gas dissolving unit; sensor and control operating the entire device. The intensive shrimp pond of the present invention comprises at least one multi-function device and has a reasonable operating method that uses algae and microorganisms to keep the DO concentration in the pond always high and the pH in the pond stable in optimal threshold.

The invention belongs to the technical field of lobster breeding, and particularly relates to a breeding box for indoor breeding of crayfishes, which comprises a containing part, a water injection mechanism, a water drainage mechanism, a filtering mechanism and a residue discharge mechanism, the containing part comprises middle section plates, end face plates and sealing gaskets, when the two middle section plates are assembled, sealing of the connecting position is achieved through the sealing gaskets, and when the end face plates and the middle section plates are assembled, sealing of the connecting position is achieved through the sealing gaskets; the water injection mechanism is used for injecting water into the middle-section plate; the drainage mechanism comprises a mounting box and a drainage grate, the drainage grate is arranged on the side wall of the middle section plate, and the mounting box is fixedly mounted on the outer wall of the middle section plate and communicates with an inner cavity of the middle section plate through the drainage grate; the filtering mechanism comprises a control roller and a filtering cylinder, and the filtering cylinder sleeves the outer wall of the control roller; the structure is matched to adapt to different indoor breeding spaces, and scraped dirt is conveyed, so that the filtering efficiency of the filter cartridge is kept, the breeding environment is kept, and the survival rate is increased.

The application discloses a water surface weeding device for South American prawn culture, which comprises a water weed synchronous collection and removal mechanism and a water weed removal boat, wherein the water weed synchronous collection and removal mechanism is arranged on the water weed removal boat, and the water weed synchronous collection and removal mechanism comprises a fixed shaft, a conical winding roller, a cutter and a water removal assembly; the water weed removal boat is provided with a protective baffle; the fixed shaft is arranged on the protective baffle; the conical winding roller is rotatably sleeved on the fixed shaft; the conical winding roller is provided with a rotating shaft; the rotating shaft is rotatably arranged on the protective baffle; the cutter is arranged on a smaller-diameter end of the conical winding roller; and the water removal assembly is arranged on the conical winding roller. The application relates to the technical field of water surface weeding devices, and particularly provides a water surface weeding device for South American prawn culture.

The invention relates to the technical field of aquatic animal breeding, in particular to a feeding device for shrimp breeding, which comprises a shell, a charging barrel is arranged at the top of the shell, a discharge port is formed in the bottom of the charging barrel, a scattering pipe is movably arranged on the shell, a connecting pipe is arranged between the discharge port and the scattering pipe, an air blower is arranged on the scattering pipe, and the connecting pipe is connected with the air blower. The steering mechanism is arranged between the shell and the material scattering pipe, and the angle adjusting mechanism is arranged between the shell and the material scattering pipe. Through integrated treatment of crushing, conveying and throwing, the whole flow of bait from storage to throwing is optimized, and the problems of caking and non-uniform throwing existing in a traditional throwing mode are effectively solved; the special motion control of the feed scattering pipe ensures the optimal distribution state of the bait in the water body, not only meets the ingestion requirements of prawn groups, but also avoids the deposition of residual bait to the maximum extent, effectively improves the utilization rate of the bait, and reduces the risk of water pollution.

This invention belongs to the field of shrimp farming technology and discloses an AIoT-driven ecological coupling method for whole-field flat-culture of fruit and shrimp. The method divides the fruit and flower crop planting area into multiple flat-culture units and establishes unit relationships. Under basic flat-culture management conditions, crop impact data, shallow water environment data, bottom load data, and shrimp activity data are collected to establish historical baseline states for each flat-culture unit. During the flat-culture process, current data is collected to form plant impact state, shallow water environment state, bottom load state, and shrimp response state, and a current ecological state chain is constructed. Based on the comparison results between the current ecological state chain and the historical baseline state, abnormal relationships are identified, and target flat-culture units, associated flat-culture units, and dominant abnormal links are determined. A local zonal control scheme is generated and executed. After control, a retested ecological state chain is formed, and recovery conditions are determined, dominant abnormal links are corrected, or the control level is increased accordingly.

The present invention is applicable to the field of aquaculture engineering, and provides a shrimp shell collection device for preventing live shrimp from escaping and automatically returning to the pond in a recirculating aquaculture shrimp pond, including a culture pond, and further including: a central water returner and a water distribution tank; a water return pipe is connected to the top of the central water returner, a buckling plate is arranged at the top of the central water returner, and a vertically downward rubber sheet is arranged at the side of the central water returner. The present invention constructs a water return tray with a rubber material, and the flexible material effectively reduces the frictional damage to organisms; the water distribution tank and its internal structure realize the automatic return of live shrimp to the pond and the automatic collection of shrimp shells, avoiding the problem of suffocation death caused by high-density aggregation of shrimp in the water distribution tank; through programmed automatic control, the goals of automatically collecting shrimp shells and dead shrimp and automatically returning live shrimp to the culture pond are achieved, greatly reducing the labor intensity of workers in the recirculating aquaculture shrimp workshop.

The utility model relates to the technical field of rice and shrimp cultivation, and discloses a water surface floating object cleaning device for rice and shrimp cultivation, which comprises a ship body, one side of the ship body is fixedly connected with a second limiting plate, the second limiting plate is provided with a sliding groove, the inner side of the sliding groove is slidably connected with a limiting sliding block, and one side of the limiting sliding block is fixedly connected with a limiting seat. The inner side of the limiting base is rotationally connected with a transmission shaft, the lower end of the transmission shaft is fixedly connected with a fixing frame, one side of the fixing frame is communicated with a mesh bag, and one side of the second limiting plate is provided with a sliding block driving mechanism which enables the limiting sliding block to reciprocate left and right along the sliding groove. The water surface floating object cleaning and collecting device has the advantages of being long in service life, convenient to clean and maintain and the like, and has high practicability.

The invention discloses application of shrimp hemocyanin as hapten carrier protein, and belongs to the technical field of biological medicine. Compared with KLH commonly used in the prior art, the shrimp hemocyanin provided by the invention is good in solubility, the holoantigen obtained by coupling the shrimp hemocyanin with the hapten is good in solubility and not easy to precipitate, the immunogenicity of the holoantigen is superior to that of the KLH, and the animal immunocompetence of the holoantigen prepared by taking the shrimp hemocyanin as the carrier protein is better than that of the holoantigen prepared by taking the KLH as the carrier protein. The shrimp haemocyanin provided by the invention is extracted from shrimp blood, the shrimp culture technology is mature, the shrimp haemocyanin is easy to obtain, and the purchase cost is low, so that the preparation cost of the shrimp haemocyanin is far lower than the purchase cost of KLH.

The invention relates to a production device for shrimp culture fermented feed. Impurities in agricultural waste are removed by fine screening and the ratio of water to carbon source is adjusted to ensure that the materials entering the fermentation tank are uniform and suitable for microbial decomposition. A power device drives a stirring shaft and related components to achieve efficient mixing, crushing and primary fermentation strain inoculation. A high-pressure oxygen supply system and intelligent temperature control technology are combined to maintain optimal fermentation conditions and effectively improve the decomposition efficiency of organic matter. In addition, waste gas generated by primary fermentation is recovered and burned to convert into heat energy for heating a fermentation tank body to achieve energy recycling. In the process of material transfer, an adjusting component is used for fine cutting and secondary crushing. At the same time, a specific functional microbial preparation is added in the lower inner tank body to enrich the nutrient components of the feed, thereby achieving efficient conversion of agricultural waste resources and improving the economic benefits of the fermentation process.

The present invention relates to the technical field of rice field lobster farming, and particularly to an enclosure device and a farming method for rice field shrimp. The technical problem to be solved is that when a single insertion rod is inserted into the soil, the insertion rod may be skewed, resulting in the enclosure net being unable to effectively prevent the escape of lobsters. Technical solution: An enclosure device and a farming method for rice field shrimp, including an enclosure net, support columns, etc.; the support columns are provided with a fixing part and a placement part. The present invention adds a support base, a fixing rod and a support piece at the bottom of the support column. During use, the fixing rod is inserted into the soil on both sides of the ring ditch, so that the support column is perpendicular to the soil, avoiding the middle of the enclosure net between the two support columns drooping due to the inclination of the support column, and being unable to play an anti-escape role for lobsters; the connection rope is connected to the bottom of the water storage airbag, and after pulling it open, the right end fixing rope is wound around the fixing pin, and the water storage airbag at the left end of the same enclosure net is injected with water to straighten the anti-escape plastic film.

The utility model provides a collecting device for a shrimp breeding pond. The collecting device comprises a lifting device, a cover body, an excrement pipeline, a shrimp shell pipeline and a filtering device, the input end of the excrement pipeline is connected with the bottom of the shrimp culture pond, and a filter screen is arranged at the input end of the excrement pipeline; the cover body covers the bottom of the shrimp culture pond and covers the input end of the excrement pipeline, and a discharge channel is formed between the cover body and the bottom of the shrimp culture pond; the shrimp shell pipeline is arranged in the cover body in a penetrating manner, the input end of the shrimp shell pipeline is communicated with the discharge channel, and the output end of the shrimp shell pipeline is connected with the filtering device; the lifting device is connected with the cover body and is used for closing and opening the discharge channel and adjusting the size of the discharge channel; according to the device, shrimp shells and shrimp faeces can be discharged at the same time, the size of the discharging channel can be adjusted according to the sizes of live shrimps in different growth stages, the fallen shrimp shells can pass through the discharging channel, the live shrimps are blocked at the same time, and the shrimp shells and the shrimp faeces in the shrimp culture pond are effectively discharged.

The invention discloses a special bioactive soft granular feed for crayfish breeding and a preparation process thereof, comprising the following raw materials in parts by weight: 2 to 8 parts of fish meal, 15 to 25 parts of puffed soybean meal, 5 to 11 parts of rapeseed meal, 6 to 12 parts of wheat bran, 2.5 to 5.5 parts of compound lactic acid bacteria (Lactobacillus plantarum, Lactobacillus acidophilus, Enterococcus faecalis), 3 to 7 parts of shrimp meal, 1 to 3 parts of calcium dihydrogen phosphate, 10 to 30 parts of modified cassava starch, 0.5 to 1.5 parts of fish oil, 0.5 to 1.5 parts of premix, 0.5 to 1.5 parts of vegetable oil, and 15 to 33 parts of fresh maggot paste. The formula of the present invention is more reasonable, nutritionally comprehensive, and each component can be better matched to meet the nutritional needs of crayfish, and can better promote the growth of crayfish, especially in that modified cassava starch and fresh maggot paste are added to the formula, and granulation is carried out at low temperature or room temperature, which can retain the biological activity in the feed to the greatest extent, improve the proportion of animal protein, and be more conducive to crayfish absorption. At the same time, the feed solubility rate is lower, the stability in water is stronger, the feed utilization rate is effectively improved, and the cost of protein raw materials is reduced.

The invention belongs to the technical field of cherax quadricarinatus breeding, and particularly relates to a breeding method of a new strain of sexual late-maturing red-body-color cherax quadricarinatus. The invention provides a breeding method of a new strain of sexual late-maturing cherax quadricarinatus with red body color. The breeding method comprises the following steps: establishing a parent of the sexual late-maturing cherax quadricarinatus; carrying out parent inbreeding; performing primary inbreeding in the family; performing secondary inbreeding in the family; and inbreeding in the family for three times. According to the breeding method provided by the invention, the new strain of the late-maturing red cherax quadricarinatus with stable inheritance can be bred, the growth cycle of the cherax quadricarinatus is prolonged, meanwhile, the growth performance of the cherax quadricarinatus is good, the commercial value of the cherax quadricarinatus can be remarkably improved, and the new strain has remarkable economic benefits and can be widely applied to shrimp culture and aquatic product markets.

The utility model relates to the technical field of fresh shrimp culture, in particular to a temperature control box for fresh shrimp culture, which comprises a square frame, a transparent panel is adhered to the outer wall of the square frame and is sealed, the outer wall of the transparent panel is connected with a water inlet pipe, a plurality of filter screens consisting of metal cylinders are vertically arranged at the bottom of an inner cavity of the square frame, and the inner cavity of the square frame is connected with a water outlet pipe. A heat preservation box is arranged in an inner cavity of the square frame, a water pump is arranged in an inner cavity of the heat preservation box, a water outlet pipe is connected to the water pump, the filter screen penetrates through the heat preservation box, an electromagnetic valve is arranged at the top of the filter screen, and the water pump and the electromagnetic valve are connected with an external power source through wires. A heating wire is not needed for electric heating, and solar energy is utilized to be more environment-friendly.

To provide an aquaculture lobster excellent in appearance, and to provide a rearing method thereof.SOLUTION: A feed containing carotenoid is fed, and raising is carried out by setting a water temperature at 23-32°C, to thereby raise an aquaculture lobster having an improved appearance in which the second antennae are not broken and are longer than a body length. An aquaculture lobster raised by the rearing method has an improved body color even after being frozen in ice.SELECTED DRAWING: None

The invention belongs to the technical field of shrimp breeding, and particularly relates to a crayfish breeding device and method.The crayfish breeding device comprises a breeding box and a crayfish discharging mechanism, the crayfish discharging mechanism comprises an isolation box, an overflow pipe and a corrugated pipe, a plurality of escape holes are formed in the circumference of the isolation box, and the isolation box is arranged in the breeding box and is coaxial with a crayfish discharging opening; a corrugated pipe is coaxially arranged in the isolation box, the bottom end of the corrugated pipe is in butt joint communication with the shrimp discharging opening, the upper end of the corrugated pipe is in butt joint communication with an overflow pipe, and a plurality of overflow holes are evenly distributed in the circumference of the overflow pipe in the height direction; the upper end of the overflow pipe extends out of the upper side of the isolation box and is connected with a lifting mechanism which is used for adjusting the height of the overflow pipe. Through lifting linkage of the air disc and the overflow pipe, an accurate collection mode of'high-position trickling and high-position bubbles' and a powerful box cleaning mode of'low-position forced discharging and low-position bubbles' are achieved, the separation efficiency of female shrimps and juvenile shrimps is improved in an auxiliary mode under the condition that the problem of dissolved oxygen is solved, and the survival rate of the juvenile shrimps is further increased.

The utility model relates to the technical field of rice field crayfish breeding, and discloses a fixing rod structure and a protective cover net thereof, the fixing rod structure comprises a fixing rod body, a connecting rod and a supporting rod are rotatably arranged in the fixing rod body, a fixing clamping hook is fixedly arranged in the fixing rod body, and a mud hook and a conical head are fixedly arranged at the bottom of the fixing rod body; the storage grooves are formed in the four sides of the interior of the fixing rod body, the fixing clamping hook is provided with the four hook heads, and the hook heads correspond to the storage grooves in position, so that the protective cover net body can be fixed from the four sides, the possibility of partition arrangement is increased, and the application range of the device can be widened; by arranging the conical head and the multiple mud hooks, the hooking area of the fixing rod body and the mud ground is increased through the mud hooks, the conical head penetrates into the mud ground and is matched with the connecting rod and the supporting rod for fixation, and the good fixing and supporting effect is achieved.

The invention discloses a microalgae application method for preventing and treating Vibrio diseases in shrimp farming, which relates to the technical field of shrimp farming, and comprises the following steps: S1, culturing Porphyridium cruentum and Phaeochromis triangularis; S2, mixing Porphyridium cruentum and Phaeochromis triangularis to form a composite algae liquid, and spreading it in the shrimp farming water body. The microalgae application method for preventing and treating Vibrio diseases in shrimp farming can effectively improve the survival rate and growth rate of shrimps after suffering from Vibrio diseases, realize green and efficient shrimp farming, and reduce farming risks.

1. Name of this design product: Shrimp Image Acquisition Terminal (Bionic Octopus). 2. Purpose of this design: To be used as a shrimp image acquisition terminal in the field of shrimp farming. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of aquaculture, and in particular to a shrimp farming water filtering device, comprising a supporting mechanism, and also comprising a filtering mechanism for filtering impurities in sewage, wherein the filtering mechanism is installed above the supporting mechanism. The utility model adds sewage to a fixed bucket by setting a filtering mechanism, and the sewage in the fixed bucket enters a filtering box through a fixed pipe, and a first filter screen filters impurities in the sewage, and the filtered sewage falls into a water tank, and the sewage in the water tank enters a subsequent treatment device through an outlet pipe for treatment, and when there are many impurities accumulated on the first filter screen, the motor is started, and the motor drives the threaded rod to rotate, and the rotation of the threaded rod drives the threaded block to move, and the threaded block drives the scraper to move through a connecting rod, and the scraper moves to clean the impurities accumulated on the first filter screen, and the cleaned impurities fall along the second filter screen into the collection box, so as to realize the automatic cleaning of impurities on the first filter screen.

The present invention discloses a protein that mediates probiotic colonization and its application in regulating intestinal homeostasis, belonging to the field of disease prevention and control and aquaculture technology. The present invention reports for the first time a protein that mediates probiotic colonization and its encoding gene. Through research, the present invention found that the protein functions in the intestine at the expression level of various tissues of shrimp. The protein has the function of helping probiotics to colonize in the intestine and can increase the survival rate of shrimp under Vibrio infection. It shows excellent disease resistance in shrimp farming, especially in the prevention and control of Vibrio disease. The technology of using the protein to increase the content of probiotics in the intestine of shrimp and then prevent Vibrio infection has the characteristics of being green and environmentally friendly, easy to operate, and long-term effective. It provides an efficient and safe solution for shrimp farming and has broad application prospects and economic benefits.

This application relates to a supermultiplex digital PCR detection method and its application for the simultaneous detection of multiple pathogens in shrimp. The digital PCR primers, probes, kits, and detection method for shrimp pathogen detection in this application can rapidly, accurately, and ultrasensitively detect pathogens affecting 18 types of shrimp. By detecting pathogens in shrimp, the health status of shrimp in intensive shrimp farming can be assessed in a timely manner, disease transmission can be prevented, and timely intervention measures can be taken to reduce the risk of disease transmission to shrimp populations in intensive farming, avoiding serious economic losses. This method has extremely high application value. Accurate identification of specific pathogens in shrimp samples is crucial for designing appropriate control strategies, as each pathogen may require different prevention and management methods, effectively reducing the need for drug use. Shrimp pathogen detection can improve farming efficiency and also contribute to the prevention and control of aquatic animal diseases and the inspection and quarantine monitoring programs for seedlings of major aquaculture species.