19 results about "Clarkia" patented technology

The present application relates to crayfish processing technical field, disclose a kind of crayfish cleaning equipment, including cleaning machine and the conveyer belt being arranged below the cleaning machine, the brush washing subassembly is arranged in the cleaning machine, the brush washing subassembly includes several cleaning roller groups, rotation gear is coaxially arranged at the end of the cleaning roller group, arc-shaped rack is arranged in the cleaning machine, and rotation driving part for driving the rotation of the arc-shaped rack, the rotation gear is engaged with the arc-shaped rack. The present application can realize crayfish automatic cleaning and screening process.

The utility model discloses a crayfish cleaning mechanism which comprises a cleaning chamber and an elutriation chamber, a notch used for communication is formed between the cleaning chamber and the elutriation chamber, a gate is arranged at the notch in a sliding mode, a plurality of cleaning rollers are arranged in the cleaning chamber in a rotating mode, the bottom of the cleaning chamber is in a slope shape inclining towards the direction of the notch, and the gate is connected with the cleaning chamber. A first water inlet is formed in one side of the top of the cleaning chamber, a limiting plate is arranged in the washing chamber, a washing cage is arranged on the limiting plate, an opening is formed in the top of the washing cage, and the four walls and the bottom of the washing cage are each of a net-shaped structure. After washing is completed, the gate is opened, so that the crayfishes and sewage after washing slide into the washing chamber, the crayfishes are left in the washing cage, the sewage penetrates through the washing cage and is discharged from the water outlet, then water is injected into the washing chamber through the second water inlet, the crayfishes are rinsed for the second time, and sewage residues on the crayfishes are removed.

A crayfish orientation correction device is characterized by: a funnel-shaped conveyor belt, a rotating wheel, and a connecting rod. The funnel-shaped conveyor belt feeds the crayfish, and the frame-shaped rotating wheel feeds the crayfish. The inclined guide surface cooperates with the frame-shaped rotating wheel to complete the orientation correction and quantitative conveying of the crayfish, solving the problems of complex conveying structure and random crayfish posture in existing automatic aquatic product processing equipment.

The utility model belongs to the field of agriculture, and particularly relates to a crayfish feed feeding device capable of automatically adjusting the feeding amount, a plurality of buoyancy driving assemblies are arranged outside a bottom plate, a sonar detector is arranged on the lower end face of each buoyancy driving assembly, a material stirring barrel is arranged above the bottom plate, a plurality of stirring scrapers are rotationally arranged in the material stirring barrel, and the stirring scrapers are arranged in the bottom plate. A rotating plate is rotationally arranged on the outer side of the lower end face of each stirring scraping plate, a plurality of discharging holes are formed in the inner bottom face of the material stirring barrel, a second discharging baffle is rotationally arranged on the portion, on the lower end face of the material stirring barrel, in each discharging hole, and a limiting piece is arranged on the portion, on the upper end face of each second discharging baffle, in the material stirring barrel; and a feed storage assembly is arranged above the mixing barrel. Through the arrangement of the sonar detector and other structures, the device can detect the number of the crayfishes in a water area, quantitative feeding is conducted according to the number and density of the crayfishes, and therefore the low growth rate of part of the crayfishes caused by uneven feed feeding is effectively avoided.

This invention discloses an integrated automatic processing equipment for crayfish deheading and deveining, characterized by its relevance to the field of aquatic product processing technology. The equipment includes a frame, a feeding and conveying mechanism, a chain-type clamping and conveying mechanism, an orientation mechanism, a deheading mechanism, a deveining mechanism, and a diversion and collection mechanism. The feeding and conveying mechanism orderly conveys the crayfish to the crayfish clamps; the orientation mechanism uses visual recognition and mechanical correction to maintain a uniform orientation of the crayfish; the deheading mechanism removes the crayfish heads; the deveining mechanism uses a synchronous chain to drive a wire-stripping clamping and pulling assembly to extract the intestines; and the diversion and collection mechanism separately collects the crayfish heads and tails. This invention achieves continuous automated processing of crayfish from orderly feeding, head and tail orientation, deheading, deveining to diversion and collection, solving the problems of low manual efficiency and poor hygiene. It has the advantages of integrated operation, accurate orientation, reliable clamping, low damage, and hygiene friendliness.

A method for cave cultivation of procambarus clarkia seedlings, comprising the following steps: rice field selection, rice planting, parent shrimp preparation before stocking, parent shrimp stocking, parent shrimp cultivation, stress cave digging and cave entering, field drying, rice harvesting, rice stubble green-up, cave cultivation, induced cave exiting and cage catching; wherein the rice field selection is to select a rice field with sufficient water source and convenient irrigation and drainage, the relative two sides of the field have height difference, the field ridge is reinforced and has a mouse, frog and snake prevention iron fence, and a polyethylene net is surrounded along the inner side of the field ridge; the parent shrimp stocking is to stock female parent shrimp with ovary maturity of stage III, and the female to male ratio is 1:1; the parent shrimp cultivation comprises feed feeding, water quality control and daily management; the stress cave digging and cave entering is to drain water; the rice harvesting is after the field drying; the rice stubble green-up is to keep shallow water to promote growth after the rice harvesting until new grass seedlings are generated; the cave cultivation is to regularly pour horse race water rich in food; and the induced cave exiting is to induce by water injection and feed feeding. The cave cultivation method can improve the survival rate of the seedlings and the parent shrimp.

The invention discloses a crayfish processing device which comprises a workbench and a discharging device, and a conveying track is formed on the workbench. The discharging equipment comprises a clamp and a portal frame. The clamp is installed on the workbench in a sliding mode and can slide along the conveying track and pass through a discharging position. The clamp is used for clamping the crayfish and loosening the crayfish when the crayfish reaches the discharging position. The portal frame comprises two vertical rods arranged in the vertical direction and a transverse rod arranged in the horizontal direction and connected between the tops of the two vertical rods, the discharging position is located between the two vertical rods and located below the transverse rod, and a baffle is fixed to the position, corresponding to the discharging position, of the lower side face of the transverse rod. The baffle is used for pushing the crayfish located at the discharging position away from the clamp.

The application discloses a kind of vitamin A, D fortified feed for promoting procambarus clarkia larva to shed shell and grow, belongs to the technical field of aquaculture feed.The protein source raw material fish meal, soybean meal, cottonseed protein, rapeseed meal, peanut meal and corn DDGS in the feed, sugar source raw material wheat flour and fat source raw material soybean oil, soybean phospholipid oil also include compound vitamin, compound mineral, sodium alginate, calcium dihydrogen phosphate, yeast powder, sodium chloride, choline chloride, chitosan, threonine, lysine, methionine.The key nutrient vitamin A in the feed is added to 9000~27000 IU / kg, and the addition amount of vitamin D is 6000~12000 IU / kg.The procambarus clarkia feed of the application is the feed obtained by reasonable deployment, can fully meet the vitamin nutritional requirement of procambarus clarkia larva, can effectively improve the growth performance and feed utilization rate of procambarus clarkia larva, and increase the output of aquaculture.

The utility model belongs to the field of crayfish breeding, and particularly relates to a crayfish breeding substratum which is characterized in that a plurality of through holes are formed in the upper end face of a fixing plate, a collecting barrel is arranged in each through hole, and a plurality of first leaking holes are formed in the outer circle face of each collecting barrel; a second object sensor is arranged at the position, above the fixing plate, of one side of an upper end opening of each collecting barrel, a feed frame is arranged at the position, on the end face of the fixing plate, of the other side of the upper end opening of each collecting barrel, a first object sensor is arranged in each feed frame, and an oxygen supplementing assembly is arranged on one side of the fixing plate. Through the arrangement of structures such as the collecting barrel, the plurality of protective barrels and the collecting barrel are inserted into positions suitable for nesting of the crayfishes, so that a crayfish nest closer to natural crayfishes is formed in the collecting barrel, and breeding of the crayfishes is facilitated; through the arrangement of a second object sensor and the like, the activity condition of the crayfish is conveniently monitored, so that whether the crayfish carries eggs or not is judged, and cubs are collected in time.

The application discloses a red crawfish food-enticing fermented feed and a preparation method thereof, and belongs to the technical field of feed fermentation and food-enticing. The red crawfish food-enticing fermented feed is prepared by using a complex bacteria liquid system of Hansenula, Saccharomyces cerevisiae, Lactobacillus plantarum and Lactobacillus acidophilus, and a large amount of high-activity esters and acid-smelling food-enticing substances are generated through a double mechanism of "bacteria liquid culture first round ester production + continuous ester production in puffed material", and the food-enticing effect is further improved after synergistic action with conventional food-enticing agents. The red crawfish food-enticing fermented feed provided by the application can significantly shorten the feeding response time of red crawfish, improve the feeding rate, especially in the low-temperature environment of 8-20 DEG C in autumn, winter and early spring, and the effect is outstanding. Meanwhile, the red crawfish food-enticing fermented feed can significantly improve the weight gain rate, survival rate and intestinal digestive enzyme activity of red crawfish, reduce the ammonia nitrogen and nitrite content of the aquaculture water, solve the problems of low feeding of red crawfish, low feed utilization rate and water pollution in the low-temperature period, provide a feed solution with stronger food-enticing effect and green high efficiency, and has a wide application prospect.

The invention relates to the technical field of aquaculture, and discloses a procambarus clarkii parent feed and a preparation method thereof. According to the procambarus clarkii parent feed provided by the invention, by systematically optimizing the amino acid composition mode of the feed and reconstructing the proportion of key functional amino acids such as methionine, lysine and the like, the precise regulation and control and human intervention on the parent gonad development process are realized, the parent gonad development tends to be synchronous, the parent mature period is concentrated, and the procambarus clarkii parent feed can be used for breeding procambarus clarkii. The technical problems that in a traditional breeding mode, individual development is not synchronous, and the breeding cycle is scattered are effectively solved. After the female juvenile shrimps are fed with the feed for 80 days, the gonad development synchronism is remarkably improved, the follicle proportion, the maturation coefficient and the gonad weight in the maturation period are remarkably increased, the egg carrying rate can reach 95% or above, the single-tail seedling emergence amount exceeds 330, the parent reproductive performance is remarkably improved, and the survival rate of the female juvenile shrimps is remarkably increased. And a stable and high-quality parent guarantee is provided for facility, factory and large-scale artificial breeding of the procambarus clarkii water spray seedlings.

This invention belongs to the field of aquaculture breeding technology, and discloses a method and application for rapid freezing of Procambarus clarkii embryos, comprising the following steps: collecting and pre-treating embryos; vitrification freezing, including: transferring embryos into ES solution, equilibrating at room temperature for 10–15 min to allow initial penetration of the cryoprotectant and slight cell dehydration; transferring embryos into VS solution, precisely equilibrating at room temperature for 40 s, quickly picking 10–20 embryos with a carrier, and aspirating excess VS solution; rapid freezing, including: immediately immersing the carrier vertically into liquid nitrogen within 1 second, achieving a cooling rate of >20,000℃ / min; and quickly inserting the carrier into the freezing rack of the liquid nitrogen tank for long-term preservation. This rapid freezing method requires only about 15 minutes for the entire freezing process, and is highly efficient. The vitrified embryos are free of ice crystals, and the embryo structure remains intact. Long-term preservation is possible, ensuring stable germplasm resources.

This invention discloses an automated repetitive scrubbing device for crayfish aquatic products, relating to the field of aquatic product processing technology. It includes a base plate with a waterproof cover connected to it via a sliding mechanism. An installation plate is fixedly connected inside the waterproof cover, and side plates are fixedly connected to both sides of the installation plate. A first toothed plate is slidably connected between the two side plates. The first toothed plate extends through the waterproof cover and is fixedly connected to a main body of the scrubbing device. A rotating mechanism is installed inside the main body of the scrubbing device, including a rotating column rotatably connected inside the main body. Through the cooperation of a sun gear, planetary gears, and toothed grooves, the cleaning brush rotates on its own axis while simultaneously revolving around a central point. This overcomes the limitations of existing equipment that only performs single rotation or linear reciprocating motion, enabling thorough and repeated scrubbing of the crayfish's back, abdomen, joint crevices, and appendage roots, significantly improving cleaning uniformity.

The invention discloses a standardized vibration stress screening method for transport resistance of procambarus clarkii and application of the standardized vibration stress screening method in aggregation breeding, and the screening method comprises the following steps: simulating a long-distance road transport core vibration spectrum, setting standardized mechanical oscillation parameters with the frequency of 150 + / -5 rpm, the amplitude of 2.0 + / -0.5 cm and the duration of 18 + / -0.5 hours, and screening the transport resistance of procambarus clarkii. The procambarus clarkii is subjected to stress treatment in a specific water body environment, and after the procambarus clarkii is recovered for 24 + / -1 hours, transport-resistant individuals are judged according to the standard that active ingestion is more than or equal to 3 times within 1 hour and appendages are complete. The screening method is further used as a core tool, a'sequential forced screening 'pyramiding breeding procedure is embedded, the transport-resistant character is fixed firstly, then the growth character is screened, and the genetic negative correlation between the growth speed and the transport-resistant character is effectively broken. According to the method, screening is accurate and repeatable, the survival rate of the cultivated new strain reaches 93% or above after transportation, the growth performance is excellent, and the problem of industrial transportation loss is solved from the germplasm source.

The invention provides application of silybin and chenodeoxycholic acid in improving the quality reduction of procambarus clarkia caused by zero-fish-meal feed, and belongs to the technical field of aquatic feed additive development. According to the present invention, silibinin and chenodeoxycholic acid are combined according to a mass ratio of (1-2): (1-2) so as to effectively improve the reduction of the quality of the procambarus clarkia caused by the zero fish meal feed, such that the zero fish meal use is achieved, and the procambarus clarkia breeding method is suitable for the procambarus clarkia breeding of procambarus clarkia breeding of procambarus clarkia breeding of procambarus clarkia breeding of procambarus clarkia. The feed cost can be effectively reduced, and the muscle quality of the procambarus clarkii cannot be reduced.

The utility model relates to the technical field of crayfish breeding, and discloses a crayfish rice field flat breeding device which comprises a breeding pond and a sorting pond located on one side of the breeding pond, and a greenhouse is arranged above the breeding pond. A protection structure used for preventing lobsters from escaping is arranged above the breeding pond and comprises a baffle, side rods and floating plates, the baffle is fixedly installed at the top of the breeding pond, the side rods are fixedly installed on one side of the baffle, and the floating plates capable of floating along with water level rising and falling are arranged on one side of each side rod. The baffle inclining towards the center of the breeding pond can prevent the young lobsters from escaping, meanwhile, the baffle is inserted into the ridge by a certain depth, the situation that the lobsters punch holes in the ridge position of the breeding pond to pierce the ridge can be restrained, the escaping possibility is further reduced, meanwhile, the workload increased due to ridge building can be reduced, and the breeding efficiency is improved. A distance is reserved between the baffle and the water body for punching the lobsters, so that the arrangement of the baffle can prevent the lobsters from climbing over and escaping, and the punching, egg carrying and breeding of the lobsters are not influenced.

The present application belongs to the technical field of aquaculture, and relates to a method for recovering and growing of Procambarus clarkia diapause fry, which comprises two stages of diapause recovery and growing: first, the diapause fry is placed in recovery liquid A, and slowly warmed to room temperature at a rate of 2 DEG C per day to realize recovery of the vitality of the fry; then, the recovered fry is transferred to a growing system, and through management measures such as regulation of water quality (pH 7.5-8.6, salinity 0.10-0.50 ‰, water temperature 15-30 DEG C), hierarchical feeding (special feed in the early stage, and shrimp feed in the later stage), regular water change and probiotic supplement, the fry is cultivated to a size of greater than or equal to 1 g. The present application significantly improves the recovery rate (greater than or equal to 95%) and the survival rate (greater than or equal to 88%) of the diapause fry, shortens the cultivation period, promotes the cultivation of large-scale and high-uniformity fry, and provides stable fry source for the out-of-season cultivation of Procambarus clarkia.

The invention relates to a method for producing XX sex-reversed male shrimps through procambarus clarkia masculinization induction, belongs to the technical field of procambarus clarkia breeding, and is used for producing the XX sex-reversed male shrimps through drug induction of procambarus clarkia masculinization. The method comprises the following steps: firstly, selecting sexually mature procambarus clarkii parents, and obtaining XX and XY juvenile shrimps by adopting a conventional artificial breeding and hatching technology; the method comprises the following steps: feeding juvenile shrimps in a water body, and soaking the juvenile shrimps with male hormone 17 alpha-MT and aromatase inhibitor ET; the XX sex-reversed male shrimps are reserved through appearance feature judgment and sex linkage molecular marker identification; and mating with normal XX female shrimps, and detecting the fecundity through test cross verification. According to the method, the juvenile shrimps are used for inducing masculinization, XX sex reversed male shrimps can be rapidly obtained in batches, and rapid propagation of all-female shrimp groups is achieved. The combined use of male hormone and aromatase inhibitor is more stable and efficient than single drug induction, drug toxicity is reduced, and the influence on the survival rate of juvenile shrimps is small.