13 results about "Pomfret" patented technology

The invention provides an AI-based trachinotus ovatus juvenile fish culture water parasite prediction and prevention method and system, and the method comprises the steps: collecting multi-source data from a culture water body through a sensor array, including a nucleic acid signal, a fish school behavior track and an environment parameter sequence, and obtaining an original data set; unifying the data format and the acquisition frequency according to the original data set by adopting a time sequence alignment method, and obtaining an aligned feature flow; aiming at the aligned feature flow, applying a convolutional neural network to extract a space-time pattern of a nucleic acid signal and an abnormal index of a fish school behavior, and determining an extracted feature set; if the abnormal index in the extracted feature set exceeds a preset threshold value, a causal association between environmental parameters and parasitic risks is classified through a support vector machine, and a preliminary risk level is judged; simulating a water body change scene according to the comprehensive causal model to obtain a predicted trajectory of parasite propagation; and determining a quantitative score of the parasite risk and generating a prevention and control instruction sequence by comparing the predicted trajectory with the real-time monitoring data.

The invention discloses a culture method based on posthypoxia gastric intima separation treatment of freshwater white pomfret, and relates to the technical field of aquaculture and disease prevention and control. The method comprises the following steps: step 1, identifying hypoxia symptoms; 2, medicine compatibility feeding is carried out; 3, regulating and controlling the water body environment; 4, breeding environment management; and step 5, continuous monitoring. According to the invention, the food maternal, the endothelium corneum gigeriae galli and the pipemidic acid are combined for the separation treatment of the endogastric membranes of the aquatic animals for the first time, the thinking limitation of traditional disease prevention and treatment is broken through, the traditional Chinese and western medicine theories are organically combined, and a new disease prevention and treatment thought is provided for the aquaculture industry; compared with a traditional pure antibiotic treatment or water quality improvement method, the scheme is high in pertinence and directly aims at a core pathological link of gastric intima separation after hypoxia; the comprehensive treatment effect is good, and meanwhile, anti-infection, mucous membrane repair and function regulation are considered; and the used medicines are all common medicines, have small side effects and low residues, and meet the safety requirements of aquatic products.

The invention belongs to the technical field of disease prevention and control in aquaculture, and discloses application of arecoline derivatives in killing Bowden worms. A coarse screening experiment, a soaking toxicity test and a dose effect experiment prove that in coarse screening, 0.5 mg / L of the arecoline derivative is soaked for 90 min, so that the killing rate of the arecoline derivative on the bodworm reaches 75%, and the arecoline derivative is obviously superior to the other five kinds of arecoline and derivatives thereof such as triclabendazole and arecoline; a soaking toxicity test shows that after the arecoline derivative with the concentration of 0.7 mg / L is soaked for 90 min, the survival rate of the trachinotus ovatus is 100%, and no remarkable toxicity exists; a dose effect experiment further proves that the killing rate of 0.7 mg / L of the arecoline derivative on the boxworm is increased to 95.35%. The arecoline derivative has a remarkable effect of killing the boxworm, is high in safety to host fishes, has no obvious residual risk, can be further researched and developed to be special for preventing and controlling the boxworm in aquaculture, provides an effective scheme for solving culture diseases caused by the boxworm, and has a wide application prospect.

The utility model provides a kind of fish egg sorting device. When needing to sort gold pomfret fish egg, first, the fish egg is put into the box, then the first valve is opened, and the live egg in the box rises with the water level. When the water level is higher than the first end of the live egg conveying pipe, the live egg floating on the water surface will follow the water into the first end of the live egg conveying pipe, and then be conveyed to the live egg collecting box through the live egg conveying pipe. Finally, the water pump is opened, and the dead egg at the bottom of the box is conveyed to the dead egg collecting box through the dead egg conveying pipe. This application not only has high efficiency compared to manual sorting, but also can effectively save a lot of manpower.

The invention provides an efficient breeding method suitable for trachinotus ovatus, which comprises the following steps: after 8-10cm fries are bred in circulating water, transferring the fries to a deepwater net cage for breeding. In the breeding process, artificial feed containing fish meal, alginic acid, astaxanthin microcapsules and other components in different proportions is accurately fed in the larva fish stage, the juvenile fish stage and the juvenile fish stage, and the feeding amount is adjusted according to the growth stage. Meanwhile, water quality indexes such as salinity and ammonia nitrogen of the breeding environment are controlled, and acousto-optic domestication of 800-1200 Hz sound waves and 470 nm blue LED light is conducted regularly every day. According to the method, fry pretreatment, precise nutrition supply and environment regulation and control are combined, the survival rate and growth speed of the trachinotus ovatus are effectively increased, the feed coefficient is reduced, the meat quality is improved, diseases are reduced, and an innovative scheme is provided for large-scale efficient breeding of the trachinotus ovatus.

The utility model discloses a fertilized egg hatching device of trachinotus ovatus, which relates to the technical field of aquaculture and comprises a double-layer cylinder body, the double-layer cylinder body comprises an outer-layer peripheral wall and an inner-layer peripheral wall, the inner-layer peripheral wall extends along the axial direction and surrounds to form a conical cylinder body, and the small-caliber end of the conical cylinder body is arranged downwards; a hatching cavity is formed between the inner side surfaces of the inner-layer peripheral wall; the top end of the outer-layer peripheral wall is higher than that of the inner-layer peripheral wall, and an overflow space is formed between the outer-layer peripheral wall and the inner-layer peripheral wall; an overflow pipeline is arranged on the peripheral wall of the outer layer; the water inlet assembly comprises a water inlet pipeline and a water inlet switch; the water inlet pipeline is communicated with a water inlet at the small-caliber end of the conical barrel; and a water inlet switch is arranged on the water inlet pipeline. According to the technical scheme, through the arrangement of the double-layer barrel and the water inlet assembly, incubation liquid in the incubation cavity can be continuously updated, the concentration of harmful substances in water can be reduced, a good water quality environment can be maintained, and favorable conditions are created for the development of fertilized eggs.

The invention belongs to the field of multi-nutrition-level polyculture ponds, and particularly relates to a trachinotus ovatus-penaeus monodon-blue crab multi-nutrition-level polyculture pond which comprises a pond body, a lower-layer separation net is slidably connected to the lower middle portion of the inner wall of the pond body, and an upper-layer separation net is slidably connected to the upper middle portion of the inner wall of the pond body. The lower end of the upper-layer separation net is fixedly connected with a plurality of evenly-distributed supporting legs, and the upper end of the upper-layer separation net is fixedly connected with a supporting rod. The upper-layer separation net, the lower-layer separation net, the dismounting and mounting mechanism and other structures are additionally arranged in the pond body, in the using process, the pond body can be divided into three layers for breeding through the upper-layer separation net and the lower-layer separation net, independent species can be separated, mutual predation among bred objects can be effectively avoided, and the breeding efficiency is improved. In addition, in the breeding process, the bottom of the pond body can be oxygenated through an air conveying pipe, a rotary oxygenation frame and other structures at the bottom, and oxygenation of the water body in the pond body can be more uniform.

This invention relates to a red tide early warning net cage for pomfret farming, comprising a net cage, a waterproof cover, support rods, and a control center. The net cage contains a water quality monitoring module and side pipes. The net cage is connected to floats 1 and 2 via support rods 1 and 2. Electric rotating rings 1 and 2 are mounted on support rods 1 and 2, respectively. The two ends of the support rods are respectively connected to support rods 1 and 2. The support rods are connected to the waterproof cover at intervals according to their radius from largest to smallest, allowing the support rods to be distributed in a descending radius order to open the waterproof cover and cover the net cage. The control center can send red tide early warning signals to the user terminal, control the isolation of the net cage, supply oxygen, and treat the aquaculture water based on the water quality parameters monitored by the water quality monitoring module. This invention can not only predict the occurrence and arrival of red tides and provide early warning information to aquaculture personnel, but also selectively isolate the aquaculture water inside the net cage from the outside and treat the internal aquaculture water, reducing the impact of red tides on pomfret.

The invention discloses an out-of-season breeding method for trachinotus ovatus, and relates to the technical field of aquaculture. The method comprises the following steps: selecting a parent for out-of-season breeding of the trachinotus ovatus, performing ovary strengthening on the female parent by utilizing a strengthening agent, performing low-temperature temperature accumulation on the parent, performing fin cutting treatment on the parent, regulating and controlling the gonad development state of the parent by utilizing hormone, performing fertilization, obtaining a fertilized egg, hatching the fertilized egg and the like. According to the method, the parent fish is subjected to strengthening, low-temperature temperature accumulation, fin cutting and other treatment, the gonad development state of the parent fish is accurately regulated and controlled, out-of-season breeding of the trachinotus ovatus is achieved, the breeding efficiency and fry quality of the trachinotus ovatus are improved, the problem that existing trachinotus ovatus breeding is limited by seasons is solved, and good economic benefits and application prospects are achieved.

The application discloses a kind of gold pompano reverse season breeding method, it is related to aquaculture technical field.The method includes selecting the parent for gold pompano reverse season breeding, using reinforcing agent to the ovary of female parent is strengthened, to the parent is low temperature accumulated temperature, to the parent is handled, using hormone to control the gonad development state of parent, fertilization is carried out, obtains fertilized egg, fertilized egg hatches etc.Steps.By the treatment such as strengthening, low temperature accumulated temperature, cutting fin of parent fish, the gonad development state of parent fish is accurately controlled, the reverse season breeding of gold pompano is realized, the reproductive efficiency and fry quality of gold pompano are improved, solve the problem that existing gold pompano breeding is seasonally limited, with good economic benefits and application prospect.

This invention discloses a net cage for aquaculture of oval pomfret, comprising several floats, several filter plates, and a filter bottom plate. Each filter plate includes a frame and a filter plate, with the filter plate fixedly mounted on the frame. A sliding box is fixedly mounted on one side of the frame, and a turbine box is fixedly mounted on one end of the sliding box. The turbine box is fixedly connected to an inlet pipe and a drain pipe. The filter bottom plate is fixedly mounted on the bottom of the turbine box. Several filter plates and the filter bottom plate together form the net cage. A cleaning component for cleaning the filter plates is provided on the sliding box. During use, the operator turns on the water pump, and the water flow drives the turbine blades in the turbine box to rotate. The rotation of the turbine disk drives the rotating shaft to rotate, which in turn drives the bidirectional screw in the sliding box to rotate. The bidirectional screw drives a slider to reciprocate linearly on an anti-rotation rod via a swing block. During this reciprocating linear motion, the slider drives a brush plate fixedly mounted on the slider to clean the filter plates.

This invention relates to a fish interferon regulator IRF4 gene, protein, expression vector, and their applications, belonging to the field of fish molecular immunology technology. The fish interferon regulator IRF4 is derived from the oval pomfret, and the cDNA nucleotide sequence of the oval pomfret IRF4 gene is shown in SEQ ID NO.1. The amino acid sequence of the protein encoded by the oval pomfret IRF4 gene is shown in SEQ ID NO.2. This invention also provides an expression vector containing the oval pomfret IRF4 gene, and an anti-Vibrio harveyi infection preparation containing the protein or a eukaryotic expression vector. The oval pomfret IRF4 protein of this invention can promote the respiratory burst activity and phagocytic capacity of oval pomfret head kidney macrophages. Overexpression in oval pomfret... Believe After IRF4 is activated, the body's antibacterial ability can be significantly improved, and it can be used as an immune enhancer.

The invention discloses a silvery pomfret large-size fry circulating water cultivation method which comprises the following steps: constructing a circulating water cultivation system, and controlling the speed of surface annular water flow in a cultivation pond to be 3-8cm / s; performing illumination and environment control; feeding bait added with compound probiotics; when ectoparasitic diseases are prevented and treated, day and night different medicated bath is implemented, copper sulfate is added in the daytime to maintain the copper ion concentration at 0.1-0.3 mg / L, a protein separator and an ozone device are started at night, and the copper ion concentration is rapidly reduced to 0.05 mg / L or below within 2-4 hours. The method comprises the following steps: adsorbing copper ions in a water body by using biofloc generated by metabolism of probiotics to form copper-containing floc, and removing the copper-containing floc by using a protein separator; the specific annular water flow keeps the copper-containing flocs suspended and conveys the copper-containing flocs to a treatment unit. The problems of rollover death and drug stress in pomfret fry breeding are solved, and the breeding survival rate is increased.