151 results about "Sparid Fish" patented technology

The invention discloses a high-circulation water fish prawn and crab culture method, which comprises four steps including pool management, fish fry stocking, water quality regulation and material throwing feeding. Through adopting the mode, the high-circulation water fish prawn and crab culture method has the advantages that corresponding purifying equipment can be utilized for repeatedly and sufficiently utilizing water resources, a better green and environment protection effect is achieved, in addition, various kinds of different aquatic products can be simultaneously fed, and the quality and the yield of the products are improved.

The invention relates to a fishway inlet system luring grass carp, a design method of the fishway inlet system luring the grass carp and a fish luring flow speed calibration device. The fishway inlet system luring the grass carp comprises a fishway arranged in the flow direction of a river and a fishway inlet of the fishway. One side of the fishway and one side of the fishway inlet are close to the river bank on one side of the river. The other sides of the fishway and the fishway inlet are provided with a fish luring water flow channel and a fish luring water flow channel water outlet, wherein the fish luring water flow channel and the fish luring water flow channel water outlet are identical with the fishway and the fishway inlet in direction. According to the fishway inlet system luring the grass carp, the design method of the fishway inlet system luring the grass carp and the fish luring flow speed calibration device, only one stream of fish luring water flow needs to be arranged, and a water flow condition of luring fishes can be created through cooperation of the fish luring water flow and the fishway water flow. Only two water flow parameters need to be calibrated and are the optimum flow speed of the fishway inlet and the optimum rate of the flow speed of the fish luring water flow channel water outlet to the flow speed of the fishway inlet. Compared with other water flow fish luring methods, the two water flow parameter values are definitely provided. The fishway inlet is simple in water flow form and small in project amount. The design method of the fishway inlet system luring the grass carp can be not only directly used for hydraulic design of the fishway inlet for the grass carp but also conveniently popularized to design of fish luring water flows of fishway inlets for other fishes.

A device and method for slaughtering fish, in particular white fish, has at least one fish receptacle for positioning and receiving the fish, a throat cutting apparatus for cutting through the throat in preparation for the pharynx cut, a pharynx cutting apparatus for completely cutting through the pharynx, a slaughtering apparatus for opening the abdominal cavity, a gut severing apparatus for releasing the entrails from the abdominal cavity and a peripheral fish receiving drum with which the fish can be moved to the individual processing stations. The fish receiving drum is driven intermittently in rotation about a horizontal shaft. The fish are movable transversely to their longitudinal axis on an essentially vertical circular path. The fish receptacle includes pectoral fin receptacles and a torso clamp for fixing the fish torsos. Also, a head support with a head clamp is provided.

A fish bait system includes a fish compartment and a filter compartment for maintaining bait fish in a healthy condition for prolonged periods prior to use. The fish bait system allows water to be pumped from the fish compartment through a filter having a standard non-woven reusable media whereby the filtered water is returned through an air infuser to the fish compartment. The infuser is mounted on the wall separating the fish and filter compartments and saturates the filtered water with oxygen to insure the fish are provided with an adequate oxygen supply. The removable filter media can be easily extracted from the filter housing, rinsed or replaced and returned to the filter in a quick and efficient manner.

The invention discloses a feed for portunus trituberculatus miers, belonging to the field of feed for aquatic animal culture. The feed comprises the following ingredients in percentage by weight: 35-45% of fish meal, 10-18% of soybean meal, 5-8% of spent grains liquor of corn alcohol, 3-8% of beer yeast, 3-5% of shrimp shell meal, 15-25% of high protein flour, 3-5% of squilla protein plasma, 1-3% of phospholipid oil, 1-3% of refined fish oil, 1-3% of complex binding agent, 1-2% of compound mineral substance, 0.5-1.5% of compound vitamin, 0.2-0.4% of choline and 0.1-0.4% of edible salt. Compared with the prior art, the feed provided by the invention comprises reasonable ingredients, has comprehensive nutrition, is full of nutriments, has extremely strong food calling effect on the portunus trituberculatus miers, can meet the requirements for artificial culture of the portunus trituberculatus miers in ponds, improves the food intake, effectively prevents the phenomenon that the portunus trituberculatus miers clamps the food mutually, and has obvious effect on improving the culture survival rate of the portunus trituberculatus miers.

The invention provides fish baits special for luring fish and placing baits to fishing points. The fish baits special for luring fish and placing baits to the fishing points comprise pre-made extrusion particles, puffing particles, broken particles, and auxiliary materials. Through machining processes of extruding, puffing, breaking, and the like, materials are cured, the effect of luring fish is improved, and meanwhile proportions and properties of the materials are changed, and the defects that a traditional self-made fish bait or single grain homing is easy to sink, unscented, bad in stability, and the like are perfectly overcome.

A fish finder includes a transducer that repeatedly transmits ultrasonic pulse signals downward into the water and receives signals from the water, a first signal generating unit that generates a first signal on the basis of a reception signal at an identical depth caused by signals transmitted at least twice, and an interference detecting unit that detects an occurrence of interference on the basis of plural first signals at different depths.

The invention discloses a sea net cage farmed fish automatic collecting method. A mobile horn-shaped fish collection device is connected with a soft telescopic seawater pipe, the other end of the seawater pipe is connected with a fish and water separation device, the fish and water separation device is connected with a seawater pump, and the seawater pipe and the fish collection device are suspended on a telescopic suspension rod through a rope. The fish collection device, the seawater pipe, the fish and water separation device, the seawater pump, the telescopic suspension rod and the rope form a sea net cage farmed fish automatic collecting system. In the operation process, the seawater pipe and the fish collection device extend into a farming net cage through the telescopic suspension rod, and the seawater pipe and the fish collection device descend to be at different water depths in the farming net cage by adjusting the rope; the seawater pump is started to pump seawater, fishes and seawater are sucked into the seawater pipe by the fish collection device, fishes and water are separated by the fish and water separation device, seawater is sucked into the seawater pump to be drained through the pipe end, fishes are placed into a fish net bag via a lower opening of the fish and water separation device, and net cage farmed fishes are automatically collected.

Fish hiding units are discloses herein, which may comprise a sinkable container comprising at least one open end; a plurality of elongated and substantially flat projection members comprising a body and opposing ends inserted at one end into the open end of the container; and an adhesive substance disposed in the container for attaching the projection members inside the container.

The invention discloses a method for fabricating canned fish from tilapia wastes. The method comprises the following steps: collecting raw materials; cleaning raw materials; pickling; frying; seasoning and softening; bagging and vacuum sealing; and sterilizing and packaging. By adopting the method disclosed by the invention, a traditional treatment mode of the tilapia wastes is broken through; the fish chin part is effectively separated from the tilapia wastes; the canned fish with a unique flavor is prepared by a series of treatment. Thus, the utilization rate of the overall fish is improved by 8%, the industrialized tilapia products are enriched, and a precedent is made for efficient utilization of the tilapia mossambica.

The invention relates to a mandarin fish cultivation which uses dace as the bait, comprising that: 1, cultivating summer flower, 2, cultivating fish, 3, cultivating the dace, and cultivating the target fish. The invention can improve the utilization of fish pool, to improve the yield and efficiency, and disclose the relation between mandarin fish and the dace. The invention has wide application.

The invention discloses a fresh-keeping method of freshwater fishes. The fresh-keeping method comprises the following steps: feeding and slaughtering the freshwater fishes, blending a salting solution, salting the freshwater fishes, and freezing and storing. According to the fresh-keeping method disclosed by the invention, the freshwater fishes are fed with a saline solution before being slaughtered and the freshwater fishes are rinsed with the saline solution after being slaughtered and washed, so that fish flesh cells reach an optimal salting-in state; the fish flesh muscle cells are protected at freezing, storage and unfreezing phases, and are at a stable state all the time, so that the loss of cytochylema in the muscle cells can be reduced. Meanwhile, the fishes are salted with the salting solution prepared from pure water, table salt, white granulated sugar and I+G, so that the fish flesh muscle cells can keep moisture at the freezing, storage and unfreezing phases; especially, water loss of the fish flesh muscle cells is reduced after the fish flesh muscle cells are unfrozen, and the disadvantage that the umami is reduced, caused by freezing, storage and unfreezing steps can be made up.

The present invention relates to fish cultivation, and is especially cultivation process and special apparatus for converting freshwater fish into saltwater fish. The special apparatus consists of fish pond, dirt intercepting box, water pump, protein decomposing tower, air mixer, waste disposing pipe, filtering box, ultraviolet sterilizer, power supply regulator, etc. The cultivation process includes indoor cultivation, water circulation, four stage salting, four stage filtering, ultraviolet sterilizing, and throwing microbe seed for propagating fish feed. The present invention is one green cultivation process and the produced fish is excellent green food.

A fish bait dispenser includes a perforated fish bait container with a buoyant element, such as a cork, that provides sufficient buoyancy to cause the fish bait container to float. A line extends through holes in the container. A line lock, slidably attached but easily removable from a portion of line extending from the top of the container defines the depth at which the container will float. A weight attached to the distal end of the line anchors the container. A float, such as a bobber, freely attached above the line lock indicates location of the subsurface fish bait dispenser.

Disclosed is a process for producing cholesterol from fish oil, including the following steps: (a) distilling fish oil in a vacuum distillation column to obtain a first residue and a first distillate, (b) distilling the first distillate in a vacuum distillation column to obtain a second distillate and a second residue, (c) contacting the second residue with an alkali to produce a saponified mixture, (d) contacting the saponified mixture with a non-polar organic solvent or a mixture of non-polar organic solvents to produce an organic phase and an aqueous phase, (e) separating the organic phase from the aqueous phase, (f) cooling the organic phase to form a solid phase and a liquid phase, and (g) separating the solid phase from the organic phase, wherein the separated solid phase includes cholesterol.

The invention relates to the technical field of aquatic agriculture, in particular to fish feed. The fish feed is made of the components including, by mass, 13-15 parts of soybean cake powder, 13-16 parts of rapeseed powder, 12-16 parts of rice bran, 10-16 parts of corn flour, 5-10 parts of bran, 8-14 parts of egg shell powder, 6-10 parts of seaweed powder, 0.1-0.5 part of enzyme preparation, 0.1-0.5 part of probiotics, 0.1-0.4 part of chemical probiotics, 0.08-0.2 part of microelement, 0.01-0.03 part of VC, 0.01-0.03 part of VE and 0.01-0.03 part of VA. The fish feed has the advantages of capabilities of enhancing immunity of fish, improving disease resistance and survival rate of the fish, promoting fish digestion and improving and regulating intestinal PH value and microbial balance of the fish, so that the fish can grow healthy with high output, and flesh of the fish is enabled to be delicious.

A method for softening fishbone in freshwater fish product adopts high pressure steaming and boiling process to soften the fishbone, namely sterilizing vacuum packaged leisure fish food in an Autoclave at 0.1MPa for 80 to 100min. The method can soften fishbone and at the same time can sterilize it and shorten the technical flow. The leisure fish food after the fishbone softening process can be eaten by just opening the bag, with abundant nutrition and convenient eating.

The invention discloses fish feed. The fish feed is prepared from, by weight, 10-20 parts of fish meal, 20-30 parts of corn protein powder, 30-40 parts of wheat bran, 6-8 parts of housefly larvae dried-powder, 5-7 parts of folium ginkgo leaves, 8-12 parts of hawthorn, 3-5 parts of folium isatidis, 20-30 parts of brewer's grain, 8-12 parts of vegetable oil, 0.1-0.3 part of vitamin E, 0.1-0.3 part of mildew preventive and 40-50 parts of water. The prepared fish feed is scientific and reasonable in formula, can meet the requirements of fish growth and improve feed palatability, is beneficial to digestion of fish due to mutual effects of all components, and promotes rapid fish growth.

The invention relates to an apparatus (10) for automatically obtaining flesh from beheaded and gutted fish (11), comprising a transport device (12) for transporting the fish (11) tail-first in the transport direction T along a transport path, and a separating device (14) the separating the flesh from the spine, wherein the separating device (14) has at least two circular knives (15, 16) that can be driven in rotation and controlled, which are arranged at a distance from each other on mutually opposite sides of the transport path in order to form a gap S; the method is distinguished in that thetwo circular knives (15, 16) are designed such that the circular knives can be swiveled about an axis I, II that differs from a horizontal orientation, wherein the axes I, II or oriented in such a way that, by swiveling the circular knives (15, 16) about the axis I and II, the point P of the smallest gap dimension between the circular knives (15, 16) can be positioned differently from the lowestknife point M of the two circular knives (15, 16). The invention further relates to a corresponding method.

The invention disclosed a mandarin fish aquatic feed feeding device with an ultrasonic fish-finding function. The feeding device comprises an installation plate, an adjusting plate is arranged below the installation plate, a feed receiving box is arranged above the installation plate, and the installation plate is fixedly connected with the feed receiving box through a fixed seat. An ultrasonic fish finder is installed on the feeding device, the number of the mandarin fish in a feeding area is probed through the ultrasonic fish finder, and according to the number of the mandarin fish, corresponding feed is thrown in to avoid that excessive feed leads to feed waste; canvases are arranged, according to the principle of sailboat moving, the feeding device is controlled to move on the surfaceof the water by rotating the canvases, energy consumption is reduced, breeding cost is reduced, and economic benefits are improved. The adjusting plate is arranged, the depth of a culture pond water area is different, the adjusting plate can adjust the depth of absorbing water of the feeding device, and it is avoided that the feeding device can not move if touching the pond bottom.

The invention discloses a high-yield freshwater fish farming method, which comprises the steps of culture pond treatment, strain selection and stocking, bait delivery, water quality management and fish disease control, wherein a special synthetic feed is utilized as a bait; the feed can meet the material needs in freshwater fish growth; the immunity of the freshwater fish can be improved through adding traditional Chinese medicinal ingredients; meanwhile, the gastrointestinal function of the freshwater fish is adjusted and the dosage of an antibiotic and an antivirus drug is reduced; meanwhile, the quality of the flesh of the freshwater fish is improved. The immunity of the freshwater is strengthened, so that the morbidity rate is greatly reduced and the growth speed is significantly increased. The added mineral and vitamin can meet the requirements of the freshwater in the growth process, and the growth speed of the freshwater is high.