12 results about "Black carp" patented technology

The invention relates to the technical field of black carp culture, and particularly discloses an AI identification system for black carp culture operation, which is used for solving the problem that an existing fishery culture feed distribution device is difficult to carry out accurate suspension and diffusion feeding of feed aiming at middle-layer and bottom-layer gathering behaviors preferred by black carps. The problems of feeding blind areas, low feed utilization rate and frequent manual intervention caused by lack of real-time intelligent identification and closed-loop regulation and control based on fish school distribution, feeding dynamics and environmental disturbance are solved; comprising a fishery breeding feed distribution device, a multi-source data acquisition module, a fish school detection module, a feedback correction module, an AI identification module, a bait field generation module and an execution control module. According to the method, fish school distribution and multi-source time sequence data are deeply fused through cross-modal diagram convolution, an adversarial sound-light-bubble bait field is generated, nonlinear resonance feeding and closed-loop feedback correction are applied, middle-layer suspension uniform distribution of black carps is achieved, and the feed hit rate and utilization rate are efficiently increased.

The application discloses a kind of molecular markers for identifying genetic sex of blue fish and its application, belong to the field of aquatic animal genetics and breeding.The molecular marker includes nucleotide sequence such as the common band of blue fish female and male fish shown in SEQ ID NO:1 and nucleotide sequence such as the unique band of blue fish male shown in SEQ ID NO:2, and the identification method comprises: taking the DNA of the blue fish sample to be identified as template for PCR amplification, after the band of PCR product is determined by agarose electrophoresis, capillary electrophoresis is carried out, if signal appears at 152bp and 168bp simultaneously, then it is male;If only signal appears at 168bp, then it is female.The molecular marker of the application can accurately obtain the genetic sex of different blue fish populations, has the advantages such as simple, fast, efficient, not affected by early undifferentiated gonad of blue fish, etc., is used for blue fish marker assisted breeding, which greatly saves the cost of aquaculture and improves the breeding efficiency.

This utility model discloses a drain rack for processing black carp, relating to the field of drain racks. The utility model includes a main body of the drain rack, with a mounting frame welded to its lower part. A receiving device for collecting liquids is detachably mounted on the inner side of the mounting frame. The mounting frame comprises a rectangular frame body, with several support crossbars welded to its lower surface to support the receiving device. This utility model directly solves the space limitation problem of fixed receiving pools through the combined design of the detachable receiving device and the mounting frame. The support crossbars of the mounting frame fix the receiving frame through a snap-fit ​​structure, allowing for quick assembly and disassembly to meet the needs of temporary processing sites. Simultaneously, the longitudinal projected area of ​​the receiving frame is larger than that of the main body of the drain rack, ensuring no water splashing. Open access ports on both sides of the frame provide direct access for disassembly and maintenance.

The invention discloses an optimal prediction system for selecting black carp growth traits based on a whole genome and a construction method and application thereof.The system is composed of an optimal GS statistical model GBLUP model and an optimal SNP genotype site set with the number of 12000, the construction method comprises the steps that genome re-sequencing and genetic typing are conducted on 499 black carps, and 237730 high-quality SNP sites are obtained; carrying out whole genome association analysis by combining the phenotypic data of the growth traits of the black carps to obtain 9 SNP genotype site sets; 80% of a black carp group is used as a training group, black carp growth character phenotype data, five GS statistical models and nine SNP genotype site set data are utilized to establish a black carp growth character GS prediction model, a black carp growth character optimal prediction system is obtained through verification and screening, and breeding values of growth characters in the black carp group are rapidly and accurately calculated. The early prediction of the growth traits of the black carps is realized, and the black carps with good growth potential are screened.

The invention belongs to the technical field of aquaculture, and particularly relates to a black carp low-fat feed taking hermetia illucens as a main protein raw material and a preparation method. The feed comprises the following raw materials: protein raw materials, energy substances and additives. Wherein the protein raw materials comprise fish meal, dried hermetia illucens and soybean meal; the energy substance comprises wheat flour or corn flour and rice bran; the additive comprises monocalcium phosphate, a vitamin premix and a mineral premix. The preparation method comprises the following steps: mixing the dried hermetia illucens with the fish meal, the soybean meal, the wheat flour and the rice bran, and adding the monocalcium phosphate, the vitamins and the mineral premix; and uniformly mixing to obtain the target feed. The dried hermetia illucens is used for replacing part of fish meal, the cost is reduced, and the growth performance and the fish meat quality of the black carps are improved.

The invention relates to the field of aquatic food traceability, in particular to a system for identifying wild and culture sources of black carps and application of the system. The system comprises: a sample processing module, wherein the sample processing module is at least used for processing a black carp sample to obtain original data of polypeptide as shown in any one of SEQ ID NO.1-42, and proteome component response of a to-be-detected sample is obtained; the data processing module is at least used for importing the proteome component response of the sample to be detected into an OPLS-DA classification discriminant analysis model to obtain a score plot for discriminant analysis of subsequent sample data; and the result output module is at least used for outputting a result. The system can be effectively used for identifying wild and culture sources of black carps, is high in stability and specificity, does not need to use large instruments, is low in detection cost, and has a wide application prospect in the aspect of aquatic product traceability.

This invention relates to the field of fish fillet processing technology and provides an automatic feeding platform conveying system for sorting black carp fillets. The system includes a base and a water tank fixedly installed on the surface of the base. An L-shaped plate is symmetrically fixed to the bottom of the water tank. A fixed frame is fixed between the ends of the two L-shaped plates. A weighing plate is rotatably mounted inside the fixed frame. Conveyor belts are symmetrically driven on both sides of the fixed frame above the water tank. Guide parts adapted to the conveyor belts are symmetrically fixed above the base. Several ear rods are evenly fixed to the sides of the conveyor belts. Bearing parts adapted to the guide parts are rotatably mounted on the ear rods. This device sorts and weighs deboned fish fillets by placing them on the weighing plate. Controlling the rotation of the weighing plate causes the fish fillets on the weighing plate to slide onto the corresponding bearing parts. The fish fillets are laid flat on the moving bearing parts. Through the linkage between the bearing parts and the guide parts, the fish fillets remain flat during transportation, improving work efficiency.

The application belongs to the field of fish immunology, and discloses a kind of CD4-1 + The application discloses a rat anti-grass carp CD4-1 monoclonal antibody of T cell, a hybridoma cell strain and application. The preservation number of the hybridoma cell strain is CCTCC NO: C2024235. Compared with existing grass carp CD4-1 monoclonal antibodies, cell grouping by using the monoclonal antibody for flow cytometry staining is more obvious and specific, and the monoclonal antibody can be used for flow cytometry specific recognition of CD4-1 + T cell of six kinds of cyprinid fishes such as grass carp, blue carp, silver carp, bighead carp, crucian carp and / or amur catfish. + The application provides an important tool for subsequent research on the role and mechanism of CD4-1 + T cell in the immune response of cyprinid fishes.

The application discloses a fishery breeding feed distributing device, belongs to the fishery breeding field, and is used for water layer bottom fish breeding and comprises a discharging cylinder installed on a base. The discharging cylinder sends feed into a mixing cylinder through a cylinder body discharging pipe and a negative pressure suction device. The mixing cylinder sends the feed into a distributing chamber formed by a distributing disc and a distributing cover through a mixing outlet pipe. A plurality of distributing roller shafts are arranged on the distributing disc. A plurality of distributing guide blocks are arranged in the distributing disc. The plurality of distributing blocks form a plurality of distributing channels. The distributing cover above the distributing channels is provided with a distributing nozzle. The distributing nozzle is communicated with a blowing gas collecting pipe. The blowing gas collecting pipe is communicated with a high-pressure gas generator through a pipeline. One-way valves are arranged on the discharging cylinder and the mixing cylinder. The application can realize mixing of different feeds, effectively improve the distributing efficiency, the distributing range and the distributing quality, and is helpful to improving the nutrition uniformity and the breeding effect of grass carp and other fish which are inclined to move in the water layer.

The application provides a low-temperature quick-freezing preservation method for grass carp, which comprises the following steps: soaking the treated grass carp in a solution containing sarcosine and dextran for 8 min, wherein the temperature of the solution is 9 DEG C; and then taking out the grass carp and performing low-temperature quick-freezing by spraying liquid nitrogen at-100 DEG C. The method can not only significantly improve the preservation ability of the grass carp and prolong the sales time of the grass carp, but also maximally ensure the taste, water retention, integrity, nutritional quality and edible value of the grass carp.

The invention relates to grass carp and black carp overwintering feed and a production method thereof, and belongs to the technical field of fish feed. According to the overwintering feed for the grass carps and the black carps, the food calling performance, the nutrition performance and the functionality of the overwintering feed are greatly improved through winter nutrition adaptation, health-care factor addition and a microbial fermentation technology, physical recovery and physique enhancement of the overwintering fishes are facilitated, and therefore the prevention effect on the overwintering syndromes is achieved; the problems that an existing overwintering feed cannot effectively provide nutrition and energy for overwintering fishes and is not easy to digest and absorb are solved, and the feed is particularly suitable for overwintering feeding of grass carps and black carps.

The invention relates to an ecological black carp breeding mode for reducing the concentration of pollutants in water of a breeding pond from the source. The ecological black carp breeding mode comprises the following steps: step 1, preparing the breeding pond; 2, cleaning and disinfecting the pond; 3, fry putting, namely putting the fry after disinfection, and carrying out polyculture on black carps, silver carps, bighead carps, snakeheads and hyriopsis cumingii; and 4, feed feeding, wherein the fed feed is black carp functional feed. And 5, pond management. According to the black carp ecological breeding mode for reducing the concentration of the pollutants in the water of the breeding pond from the source, source purification of the pollutants in the breeding water body, improvement of the feed utilization rate, shortening of the growth cycle of the black carps and dual improvement of the yield and the quality of the black carps are effectively achieved, and the remarkable superiority compared with the prior art is highlighted.