30results about How to "Reduce the chance of dying" patented technology

The invention relates to a method for planting trees in a desert environment. The method includes steps of a, laying mulching films on side walls and bottoms of planting holes; b, soaking all parts of roots of the trees in rooting powder solution and then placing the roots of the trees in the planting holes; c, filling grass carbon soil and earth surface soil mixtures into the planting holes; and d, enclosing the trees by barrages and watering the trees. Tree species suitable to grow in the desert environment are selected to mainly solve the problem of low survival rate of nursery trees in the desert environment, and the trees are planted in different locations of a desert according to characteristics of the different tree species, so that survival of the trees is guaranteed, the characteristics of the trees are sufficiently played, the trees can normally grow, the characteristics of sand prevention and water retention of the trees can be played, and the method has the advantages of simplicity, wide material source, low manufacturing cost and high survival rate of nursery trees.

The invention provides a front bumper bottom popup device of a vehicle, and belongs to the technical field of vehicles. The device solves problems that how motion trails after pedestrian is crashed can be changed, and how to reduce probability of striking pedestrian head to the region from the lower edge of a windscreen to the rear edge of an engine cover. The popup device is arranged on the bottom of a front bumper, and comprises a long-strip lower part supporting beam, a mounting bracket, a spacing structure, and an installing sleeve fixed on the lower part supporting beam. The mounting bracket is fixed on the bottom of the front bumper. The installing sleeve is sleeved on the mounting bracket and is slidably connected with the mounting bracket. The spacing structure is used to prevent the installing sleeve from separating from the mounting bracket. The inner ends of the lower part supporting beam, the installing sleeve, and the mounting bracket form an installation cavity. The installation cavity is internally provided with gunpowder. After the gunpowder is detonated, impulsion can make the lower part supporting beam pop up from the bottom of the front bumper. The height of the lower part supporting beam relative to ground is smaller than a quarter of the height of vehicle front wheels. thus, motion trails after a pedestrian is crashed are changed and damages are reduced.

The invention discloses a detection method for clostridium perfringens, a primer group and a detection kit for same. The primer group is based on the Loop-Mediated Isothermal Amplification (LAMP), and is obtained through analysis, design and artificial synthesis on the special alpha toxin (C. perfringens alpha toxin, CPa) gene sequence of the clostridium perfringens, the contained nucleotide sequence is shown in SEQ No.1-4, and the primer group has considerably high specificity to the clostridium perfringens. The fast detection method for the clostridium perfringens carries out LAMP reaction on the DNA of the clostridium perfringens in a sample by utilizing the detection primer group, and whether the clostridium perfringens is contained in the sample or not is judged by identifying reaction products. The invention also designs the fast detection kit for the clostridium perfringens according to the detection method, so that fast, simple, accurate and efficient clostridium perfringens detection and identification can be carried out on the sample.

The invention discloses a fry culture cultivating method for schizothorax prenanti. After a fish pond is disinfected, fish fry disinfected with a povidone-iodine solution are put in the pond, micro-flow water is adopted for cultivation, cooked egg yolk is thrown and fed to the fry for several days, plankton bait is thrown and fed to the fry after 5-7 days, cut water earthworms and broken juvenile schizothorax prenanti materials are thrown and fed to the fry after 20 days, and juvenile schizothorax prenanti feed is thrown and fed to the fry till the fry reach the specification of larva fish. The schizothorax prenanti fish fry cultivated through the method are low in cost, high in survival rate and quick in growth, the cooked egg yolk, the rotifer and cladocera plankton bait, and the water earthworms and the juvenile schizothorax prenanti feed are thrown and fed to the fry in a staged mode, and therefore the high growth rate can be kept at each stage.

The invention discloses a carrying type deep sea macro organism pressure maintaining sampling device. The carrying type deep sea macro organism pressure maintaining sampling device comprises a sampling unit, wherein one end of the sampling unit communicates with a plug connector, the other end of the plug connector is provided with a cylinder body which is abutted against the plug connector, one end of the cylinder body is closed, the other end of the cylinder body is provided with a first through hole, and a first hose which is fixedly connected with the cylinder body is arranged in the firstthrough hole; the carrying type deep sea macro organism pressure maintaining sampling device further comprises a plurality of first gears, the first hose is fixedly connected with the first gears, the inner wall of the cylinder body is provided with a plurality of first motors, the output end of each first motor is provided with a second gear, the inner wall of the cylinder body is also providedwith a telescopic rod which is fixedly connected with the cylinder body, the telescopic end of the telescopic rod is provided with a second motor, the output end of the second motor is provided with afixed rod, the fixed rod is in threaded connection with the first hose, the surface of the fixed rod is provided with a first water bag, a second hose is arranged on the first water bag, a pump is arranged on the second hose, and the other end of the second hose is provided with a second water bag. The carrying type deep sea macro organism pressure maintaining sampling device has the advantage that captured macro organisms can be completely transferred.

The invention discloses a coregonus peled fry breeding method. The water source employs spring; the water temperature is 10 to 16 DEG C; the dissolved oxygen is over 7mg / L; the pH value is 6.5 to 7.5; and the water flow speed can be adjusted in a range from 0.4 to 1.5 m / s. An area occupied by a fry breeding pool is 20 to 23 m<2> and the water depth is 50 to 80 cm; and an area occupied by a plankton breeding pool is 155 to 165 m<2> and the water depth is 80 to 120 cm. The method comprises: the fry breeding pool and the plankton breeding pool are sterilized by potassium permanganate and then larval stage feed is cultivated in the plankton breeding pool; coregonus peled spray sterilized by a povidone-iodine solution is put into the fry breeding pool and breeding is carried out by slow flowing water; larval stage feed with the 20% of total weight is fed each day and feeding is carried out at least seven days; and then breeding is carried out continuously at a food conversion breeding state. With the method, the coregonus peled spray is bred; and the cost is low, the survival rate is high, and the growth speed is fast.

The invention discloses an anser cygnoides high hatching rate hatching method comprising the following steps: 1, hatching egg disinfection; 2, hatching medium preparation; 3, hatching egg incubation; 4, hatching egg spawned. The hatching method can carry out scientific, reasonable and refinement management for hatching conditions of the hatching eggs, can comply with the anser cygnoides hatching egg hatching rules, thus obviously improving hatching rate, and the final hatching rate can be above 94%; the hatched young ansers are strong in body, and active in spirit.

The invention discloses a rotary-type snow-proof ceiling of a sheep house, and relates to the technical field of house construction of livestock breeding. A baffle, a venting pipe, a connecting rope and a snow removing device are arranged on a top cover, a venting ball is arranged on the venting pipe, and the snow removing device is composed of a snow removing plate, a snow removing block, a firstgear, a second gear, a chain, a connecting pipe and a heat preservation plate; the heat preservation plate is arranged on the top cover and provided with the connecting pipe, the snow removing plateis arranged on the connecting pipe and internally provided with the first gear, the second gear and the chain, the first gear is provided with the snow removing block and connected with the second gear, the second gear is connected with the chain, the chain is connected with the connecting rope, and a handle is arranged on the connecting rope; the rotary-type snow-proof ceiling of the sheep houseis high in practicability and extremely convenient to use, not only can an effect of timely and quickly removing accumulated snow on a roof of the sheep house be achieved, but also the heat preservation effect of the sheep house can be improved; the occurrence probability of diseases and death of bred sheep is greatly reduced, and the economic loss of breeding enterprises is remarkably decreased.

The invention discloses clothes with the alarming and treading preventing functions. The clothes comprise a front left piece, a front right piece and a rear piece. The clothes are characterized by further comprising alarming devices and a treading preventing device; the alarming devices are fixedly positioned into a left hidden pocket sewed at the inner side of the front left piece of the clothes and a right hidden pocket sewed at the inner side of the front right piece of the clothes; the treading preventing device is fixedly positioned in a rear hidden pocket sewed at the inner side of the rear piece of the clothes; each alarming device comprises a pressure control switch, a voice alarm and a lighting alarm; the treading preventing device comprises a power supply, a sensor, a control unit, an air generator, an air bag and a follow current device; in case of treading event, the sensor senses the strength of the outside pressure, the control unit receives a signal from the sensor and handles and generates an igniting signal to trigger the air generator to inflate the air bag, and the air bag full of air can be quickly sprung out; with the protection of the air bag, the extrusion of outside pressure to a human body can be greatly reduced, and therefore, the probability of death can be effectively decreased. The formula is shown in specification.

The invention belongs to the technical field of loach breeding, in particular to an ecological breeding method of loaches and cattail. The method comprises five steps including selection of a pond, treatment of sludge, transplantation of the cattail, putting of loach larvae and breeding management. The method adopts a breeding mode for coexistence of the loaches and cattail to achieve a complementary effect, so that the growth and development of the cattail and loach are promoted, the yield of the cattail and loach is increased, the breeding cost is reduced, and the economic benefit is remarkable.

The invention provides a sheep house anti-wind ceiling, and relates to the technical field of construction of livestock breeding houses. The sheep house anti-wind ceiling comprises a first roof, a connection pipe, a ventilation hole, a second roof, a wind guiding plate, a fixing pipe and a ball. The connection pipe is arranged on the first roof, the second roof, the ventilation hole and the ball are arranged on the connection pipe, the wind guiding plate, an air vent and the fixing pipe are arranged on the second roof, and the fixing pipe is connected with the ball. The sheep house anti-wind ceiling is high in practicality and very convenient to use, the anti-wind property of the sheep house ceiling can be effectively improved, and the ventilation performance of a sheep house can be improved. The damage probability of the sheep house is greatly reduced, the probability that bred sheep get sick and die can be greatly lowered, and the economic losses of breeding enterprises are lowered greatly.

The invention discloses an epidemic prevention type sheepfold for goat breeding, and relates to the field of goat breeding. The epidemic prevention type sheepfold comprises a rectangular frame, a supporting bottom plate is uniformly and rotatably connected between the left side wall and the right side wall of the rectangular frame, a mounting cavity is formed in each of the left side and the right side of the rectangular frame, a first adjusting mechanism used for adjusting the supporting bottom plate is fixedly connected into each mounting cavity, a cleaning mechanism is installed between the front side wall and the rear side wall of the rectangular frame, and the lower side of the rectangular frame is fixedly connected with a collecting box. The inclination angle of the supporting bottom plate can be adjusted through the first adjusting mechanism, so that the supporting bottom plate can be overturned to discharge excrement on the surface of the supporting bottom plate, and the excrement on the upper surface of the supporting bottom plate can be preliminarily cleaned; the cleaning mechanism can clean the surface of the supporting bottom plate again through a brush roller after the supporting bottom plate is turned over, the cleaning effect is better, the condition that excrement in the sheepfold gathers and breeds bacteria is avoided, and the epidemic prevention effect of the sheepfold is greatly improved.

The invention belongs to the technical field of loach breeding, especially to a method for ecological planting and breeding of loach and water chestnut. The method includes six steps as follows: pondselection, sludge fermentation, pond backfilling, cultivation of water chestnut, release of little loaches, and planting and breeding management. By the mixed planting and breeding mode of loach and water chestnut, the complementary effect is achieved: output and quality of loaches can be improved, and quality of water chestnut also can be enhanced. The method of the invention has significant economic benefits.

The invention relates to a pine tree endophytic bacterium FBS135. The pine tree endophytic bacterium FBS135 belongs to the Pantoea eucalypti genus, and is preserved in China Center for Type Culture Collection in Wuhan University, the preservation number is CCTCC NO:M2019198, and the preservation date is 9th April, 2019. The 16S rDNA sequence of the pine tree endophytic bacterium FBS135 is shown asSEQ ID NO.1. The pine tree endophytic bacterium FBS135 has a promoting function on pine tree growth, test data shows that a pine tree growth accelerant prepared from the bacterium has an obvious promoting function on various growth indexes such as the roots, stems and leaves of pine tree seedlings of pine tree seedlings, the system stress resistance of the pine tree seedlings can be improved, andinfection of pathogenic bacteria and the probability of attacking death in an adverse situation are reduced.

The invention discloses a disease-preventing fly maggot feeding feed, a preparation method thereof and a disease-preventing fly maggot feeding feed, wherein the disease-preventing fly maggot feeding feed is obtained by uniformly mixing and fermenting solid organic matters processed from kitchen waste and substances with antigens. This scheme is exquisite in design and simple in structure. Using kitchen waste as raw material, it fully realizes the utilization of solid organic matter in kitchen waste, and adds antigens to the fly maggot feeding feed, so that the fly maggots eating the feed can produce corresponding Antibodies, so when fly maggots are used as bait for aquatic products and poultry breeding, aquatic products and poultry can have corresponding antibodies, thereby effectively reducing the invasion of aquatic products and poultry by such germs, and helping to reduce aquatic products or poultry due to infection with these germs. The probability of causing death is high, the survival rate is improved, and the problem of water body or environment pollution caused by the use of specialized antibiotic drugs is avoided, and the comprehensive benefit is high.

The invention discloses a sheep house warming ceiling and relates to the technical field of house building in livestock breeding. A baffle, a vent pipe and an insulation board are arranged on the ceiling, wherein a top cover and a ventilation opening are arranged on the vent pipe; the insulation board is composed of a waterproof layer, a connecting post and a thermal insulation layer; the waterproof layer is arranged on the ceiling; the connecting post is arranged on the waterproof layer; and the thermal insulation layer is arranged on the connecting post. The sheep house warming ceiling disclosed by the invention is high in practicality and very convenient to use, the thermal insulation effect of the sheep house can be increased, the ventilation effect of the sheep house can be improved,the illness and death probability during sheep breeding is greatly reduced, and economic losses of breeding enterprises are greatly decreased.

The invention discloses a flowerpot. The flower pot is characterized in that the flower pot is divided into an upper layer and a lower layer, soil is contained in the upper layer for planting flowers, water is contained in the lower layer, and the phenomenon that the water used for watering flowers seeps out of the flowerpot from the bottom of the flowerpot is avoided; meanwhile, the water in the lower layer of the flowerpot can enter the upper layer of the flowerpot through water seepage holes formed in the upper layer of the flowerpot, the moisture of the soil is kept, the growth of the flowers is facilitated, the probability of death of the flowers caused by water shortage is reduced, and multiple tiny through holes formed in the bottom of the upper layer make the root systems of the flowers can make full contact with circulated air, so that the phenomena of rotted roots and dried leaves of the flowers are reduced, and the purposes of ventilation, breathability and oxygenation are well achieved.

The invention discloses a coregonus peled fry breeding method. The water source employs spring; the water temperature is 10 to 16 DEG C; the dissolved oxygen is over 7mg / L; the pH value is 6.5 to 7.5; and the water flow speed can be adjusted in a range from 0.4 to 1.5 m / s. An area occupied by a fry breeding pool is 20 to 23 m<2> and the water depth is 50 to 80 cm; and an area occupied by a plankton breeding pool is 155 to 165 m<2> and the water depth is 80 to 120 cm. The method comprises: the fry breeding pool and the plankton breeding pool are sterilized by potassium permanganate and then larval stage feed is cultivated in the plankton breeding pool; coregonus peled spray sterilized by a povidone-iodine solution is put into the fry breeding pool and breeding is carried out by slow flowing water; larval stage feed with the 20% of total weight is fed each day and feeding is carried out at least seven days; and then breeding is carried out continuously at a food conversion breeding state. With the method, the coregonus peled spray is bred; and the cost is low, the survival rate is high, and the growth speed is fast.

The invention relates to an agricultural livestock transport container with a telescopic exhaust device. The container comprises a telescopic air-supplementing and humidifying component; wherein the telescopic air-supplementing and humidifying component comprises an air-supplementing and humidifying component mounting shell, a humidifier, a foldable ventilation crank arm, a telescopic humidifyingdistributor and a fifth fan. Under the condition that the structure of an existing freight container is less changed, the container provided by the invention can improve the survival rate of living livestock in transportation, in particular the survival rate of young livestock, reduce the overreaction of the livestock, simultaneously reduce the cost as much as possible, and meet the requirements of greenness and environmental protection.

The invention discloses a method for structuring a carp breeding parent population with excellent muscle quality and refers to a structuring method of a carp breeding parent population. The method for structuring the carp breeding parent population with excellent muscle quality solves the problems that the existing breeding process of carp with excellent muscle quality is big in working intensity, multiple in generations, long in breeding cycle, and high breeding cost; the obtained measurement data is poor in representativeness, and muscle quality character inheritance of the selected new variety is not stable enough, and low-quality individual in the group cannot be deleted, and so on. The structuring method comprises the following steps: firstly, marking electronic identity; secondly, recording an individual phenotype; thirdly, measuring genetic distance between individuals by using a microsatellite marking technology; fourthly, confirming quantity of effective group; fifthly, obtaining a corresponding relationship between intermuscular fat and phenotype; sixthly, according to the corresponding relationship between intermuscular fat and phenotype, deleting parent fishes with relatively bad phenotype of the intermuscular fat from the breeding parent population. According to the method, the breeding process is small in working intensity, less in generations, short in cycle, fast in effect, low in breeding cost and stable in muscle quality character inheritance, and so on.

The invention discloses a fry culture cultivating method for schizothorax prenanti. After a fish pond is disinfected, fish fry disinfected with a povidone-iodine solution are put in the pond, micro-flow water is adopted for cultivation, cooked egg yolk is thrown and fed to the fry for several days, plankton bait is thrown and fed to the fry after 5-7 days, cut water earthworms and broken juvenile schizothorax prenanti materials are thrown and fed to the fry after 20 days, and juvenile schizothorax prenanti feed is thrown and fed to the fry till the fry reach the specification of larva fish. The schizothorax prenanti fish fry cultivated through the method are low in cost, high in survival rate and quick in growth, the cooked egg yolk, the rotifer and cladocera plankton bait, and the water earthworms and the juvenile schizothorax prenanti feed are thrown and fed to the fry in a staged mode, and therefore the high growth rate can be kept at each stage.

The invention discloses a warm-keeping floor for a lamb house and relates to the technical field of floor construction of livestock breeding houses. The warm-keeping floor comprises a floor body, pins, fixing holes, a fixing plate, convex pieces, thermal-insulation plates, storage grooves, water injection holes and water storage pipes and is characterized in that the floor body comprises a plurality of connecting plates and connecting holes, the fixing plate is arranged on the floor body, the convex pieces and the water storage pipes are arranged on the fixing plate, each of the floor body andthe fixing plate is provided with fixing holes, the thermal-insulation plates are arranged on the connecting plates and the convex pieces, the thermal-insulation plates are provided with the storagegrooves, the connecting plates and the convex pieces are provided with the water injection holes, and the floor and the fixing plate are fixedly connected through the pins. The warm-keeping floor is high in practicality, quite convenient to use, capable of increasing the warm-keeping effect of the lamb house, capable of allowing cultivation staff to conveniently and fast clean the floor of the lamb house so as to increase the cleanliness of the lamb house, capable of greatly lowering the probability of diseases and deaths of sheep especially lambs and capable of greatly lowering the economic loss of cultivation enterprises.

The invention discloses a pennisetum purpureum pig feed and a preparation method thereof. The formula comprises 63-65% of pennisetum purpureum, 8-13% of corn flour, 3-5% of brown sugar, 3-5% of strains, 5-8% of broad beans, 5-8% of soybean cakes, 5-8% of distiller's grains and 6-9% of fish meal. The preparation method comprises the following steps: step 1, raw material selection; step 2, raw material pretreatment; step 3, raw material stirring; step 4, sub-packaging and packaging; step 5, sealing and fermentation; and step 6, checking and storing. The pig feed completely replaces wheat bran, and does not contain the wheat bran component so as to avoid the problem that the wheat bran is easy to generate aflatoxin in the storage process, and to prevent the pig feed from containing aflatoxin,so that pigs fed with the pig feed are not easy to get sick or die. The feed can increase intestinal flora of pigs, improve digestive absorption, increase gastrointestinal motility, reduce ammonia concentration of pig house, and reduce probability of pig illness or death. The production cost of the pig feed is reduced by 8-10%, and the production benefit is greatly improved.

The invention discloses agricultural aquaculture oxygenation equipment. The equipment comprises a water pressurization tank which is made of stainless steel, the wall thickness 2-4 mm, a first water outlet pipe is welded to the axis of the bottom of the water pressurization tank, a ball valve is assembled on the first water outlet pipe, a manual ball valve is adopted for the ball valve, multiple lugs are welded to the interior of the water pressurization tank, a grid network is assembled on the tops of the lugs, filter materials are laid on the grid network, a step plane is machined on the topof the water pressurization tank, and a top cover is supported through the step plane. Accordingly, in practical application, concentrated water current in the prior art can be dispersed into each spray hole, concentrated tiny splash is generated after spraying is conducted downwards through the spray holes, and the phenomenon that fish dies is avoided; meanwhile, when the equipment performs water pressurization, water can be pressed to pass through the filter materials, water filtration is achieved, the water quality of aquaculture is improved, the living environment of the fish is improved,and the probability of fish death is reduced.

The invention relates to a special antiepidemic sheep enclosure for a sheep house. The antiepidemic sheep enclosure for the sheep house relates to the field of a livestock breeding house antiepidemictechnology, and comprises a sheep enclosure, a dry material layer, a fixing plate, a connecting rod and a stirring device, wherein the dry material layer is arranged on the bottom part of the sheep enclosure; the fixing plate is arranged on the lower part of the dry material layer; the stirring device is arranged on the fixing plate, and is formed by a connecting plate, a stirring rod and a fixinghole; the connecting plate is arranged on the fixing plate; the stirring rod and the fixing hole are arranged on the connecting plate; a connecting rod is arranged in the fixing hole. The antiepidemic sheep enclosure for the sheep house provided by the invention is high in practicability and convenient to use, not only can excrements in the sheep enclosure be quickly and efficiently treated, butalso an antiepidemic effect of the sheep house can be improved, the incidence of diseases and death of bred sheep is greatly reduced, and the economic loss of a breeding enterprise is greatly reduced.

The invention relates to the field of aquaculture technology service devices and especially relates to an aquaculture technology service aerator. A control box is installed on an upper surface of a motor base; a controller is installed inside the control box; an upper surface of the controller is fixedly connected with a wireless signal transmission device; a centrifugation housing is installed atthe lower surface of a pedestal; a bottom surface of the centrifugation housing is provided with a water outlet; top ends of a left side wall and a right side wall are provided with air inlets; middle parts of the left side wall and the right side wall of the centrifugation housing are provided with water inlets; the centrifugation housing is provided with a rotating rod; a first blade is fixedlyconnected to a position, corresponding to the water inlet, in the side wall of the rotating rod; a second blade which is positioned above the first blade is fixedly connected to a side wall of the rotating rod. By means of the aquaculture technology service aerator of the invention, the oxygen aeration for deep water layer by the aerator is realized by the centrifugation housing which mixes air and water and ejects the mixture out, thereby reducing the chance of death due to lack of oxygen in fish and increasing the income of farmers.

The invention discloses a flammable low-smoke wear-resistant composite yarn, which comprises the following raw materials by weight: 10-15 parts of silk, 15-20 parts of polyester, 20-30 parts of viscose yarn, 40-60 parts of high-strength polyethylene staple fiber, and 0.5-1 part of a nanometer microcapsule combustion improver. According to the present invention, with the flammable low-smoke wear-resistant composite yarn obtained by the technical scheme, the textile product can rapidly combust during the combusting in the event of fire disaster so as to reduce the generated dense smoke, such that the death caused by the dense smoke in the fire disaster can be reduced; and the wear resistance is improved so as to improve the household practicality.

The invention relates to a pine endophytic bacterium FBS135, which belongs to the genus Pantoea eucalypti, and has been preserved in the China Type Culture Collection Center of Wuhan University with the preservation number CCTCC NO: M2019198 and the preservation date is April 9, 2019. The 16S rDNA sequence of the pine endophytic bacterium FBS135 is shown in SEQ ID NO.1. The pine endophytic bacterium FBS135 of the present invention, it has promoting action to pine growth, test data shows, utilizes the pine growth promoting agent prepared by this bacterium to play obvious promoting action to each growth index such as the rhizome leaf of pine seedling, and can Increase the systemic stress resistance of pine seedlings, reduce the chances of pathogen infection and disease and death under adversity.

The invention discloses a method for structuring a carp breeding parent population with excellent muscle quality and refers to a structuring method of a carp breeding parent population. The method for structuring the carp breeding parent population with excellent muscle quality solves the problems that the existing breeding process of carp with excellent muscle quality is big in working intensity, multiple in generations, long in breeding cycle, and high breeding cost; the obtained measurement data is poor in representativeness, and muscle quality character inheritance of the selected new variety is not stable enough, and low-quality individual in the group cannot be deleted, and so on. The structuring method comprises the following steps: firstly, marking electronic identity; secondly, recording an individual phenotype; thirdly, measuring genetic distance between individuals by using a microsatellite marking technology; fourthly, confirming quantity of effective group; fifthly, obtaining a corresponding relationship between intermuscular fat and phenotype; sixthly, according to the corresponding relationship between intermuscular fat and phenotype, deleting parent fishes with relatively bad phenotype of the intermuscular fat from the breeding parent population. According to the method, the breeding process is small in working intensity, less in generations, short in cycle, fast in effect, low in breeding cost and stable in muscle quality character inheritance, and so on.