108results about How to "Neat specification" patented technology

The invention relates to the technical field of marine product seed breeding and in particular relates to an industrialized iconological breeding method of young shrimps having high stress resistance and high disease resistance. The industrialized iconological breeding method comprises the steps of the construction and sterilization of an isolating breeding workshop and a standard breeding pool, the integrated treatment of breeding water, the healthy cultivation and reproduction of prawn parents, the throwing-in of healthy nauplius, the preparation of a breeding bait, the biological control and management of breeding water quality, bait feeding management, control of physical factors such as temperature and light, and the like. Due to biological control on the water environment of the indoor breeding pool and effective control on water temperature, illumination, transparency, dissolved oxygen, salinity, PH value, harmful substances, pests and the like, the breeding environmental conditions are optimized, the drug use, the feeding capacity and the drainage are reduced; in addition, the stress resistance and the disease resistance of the young prawns are enhanced, the quality and the survival rate of the young prawns are increased. The industrialized iconological breeding method of young prawns having high stress resistance and high disease resistance is used for solving the key technical problems of prawn breeding; a high-efficiency environment-friendly breeding mode is provided to promote efficient sustainable development of the prawn breeding industry.

The invention discloses the in-vitro culture technology for fertilized ova of beautiful white shrimps, which is characterized by comprising the following steps of: preparing incubating water, selecting brooding shrimps, separating parental shrimps from the ova, disinfecting, incubating, managing daily and the like. Parents of the beautiful white shrimps are easy to die in the processes of catching and transportation, so the ova of the brooding shrimps which just died can be subjected to in-vitro incubation to save the cost of purchase of the parents, and the shrimp ova are more convenient to transport; part of parent shrimps also can be prevented from nibbling shrimp seedlings after being bred, so that the survival rate of the shrimp seedlings is improved; and the beautiful white shrimps of which the ova are cut also can be used for preparing dried shrimps to avoid the waste of resources.

The invention relates to a method for industrialized seedling raising of saddle grouper, which is suitable for saddle grouper (Epinepheluslanceolatus). The steps taken by the method include: 1. seedling raising workshop, seedling pond and seedling water treatment; 2. preparation before seedling raising; 3. Putting fertilized eggs or larvae of saddle grouper; 4. Water quality control of nursery water; 5. Bait and feeding methods. The method of the present invention carries out industrialized seedling raising of saddle grouper, and has the advantages of stable water quality conditions for seedling raising, high seedling output per unit of water, neat specifications of the bred fish fingerlings, no use of any antibacterial drugs, and no additional preparation of larva opening bait during the seedling raising process 1. The nursery does not need to cultivate single-cell algae alone, and the whole process of seedling cultivation does not suck the bottom, which greatly simplifies the operation process.

The invention discloses a special device for hatching and preferring sepiella maindroni oosperms. The device comprises a hatching cage framework with a foaming floater, wherein a nylon mesh sheet which encloses to form a mesh box shape is hung on the hatching cage framework; a plastic retracting rope is arranged close to the bottom of the nylon mesh sheet; a round plastic disc is connected with the inner side of the retracting rope; and small holes are uniformly distributed in the round plastic disc. The special device is simple in structure, convenient to manufacture, low in cost and is strong in production operability, and is easily popularized and applied in an artificial seedling production unit of sepiella maindroni. Hatched young bodies can be preferred within a relatively short time, and the young bodies with regular specification, high activity, no injury and high quality can be obtained. Compared with the young bodies hatched by the other devices, the young bodies hatched by the special device have the advantage that the sickness rate is reduced by 30 percent.

The invention provides a procambrus clarkii indoor artificial propagation method, belonging to the freshwater shrimp breeding technical field. The method includes the following steps: 1) sorting and group matching of parent procambrus clarkii; 2) temporary culture of the parent procambrus clarkii; 3) induction concentrated synchronous oviposition; 4) artificial incubation and sorting of spawning procambrus clarkii; 5) cultivation of young procambrus clarkii. The procambrus clarkii indoor artificial propagation method ensures that procambrus clarkii can be successfully propagated indoors by artificially regulating the propagation condition of procambrus clarkii. The method is simple and has strong feasibility, the spawning rate thereof reaches 84%, fertility rate reaches 90%, hatching rate reaches 86%, survival rate reaches more than 80%, the situation that procambrus clarkii postlarvae can be obtained only by natural propagation under the existing condition is changed, the problem that procambrus clarkii postlarvae is scare is solved, and stable and batch postlarvae production capacity is formed. Meanwhile female procambrus clarkiis synchronously lay eggs in a relative concentrated way while natural propagation is in droves and postlarvae can not be quantitatively obtained in time; postlarvae stocking can be carried out ahead of time; and postlarvae specification is relatively uniform.

The present invention discloses a technique for making sturgeon fry open mouth and making food-conversion breeding. Said technique is characterized by that according to the different stages of fry growth it can respectively use earthworm segment, whole earthworm and food to raise the sturgeon fry. Said invention also provides the concrete steps of said technique.

The invention discloses an early propagation method for hyriopsis cumingii seeds in methods for breeding hyriopsis cumingii. By the early propagation method for the hyriopsis cumingii seeds, the technology for early propagation of the hyriopsis cumingii is successfully developed for the first time in China, parent hyriopsis cumingii and seeds thereof are originally artificially bred in a greenhouse, early maturity of the gonads of the parent hyriopsis cumingii and quick growth of the seeds in early spring are promoted to succeed by adopting the technology of water temperature regulation and directional breeding of biological bait, and 80 percent of hyriopsis cumingii can reach the bead plugging specification; and the early propagation method for the hyriopsis cumingii seeds is technically characterized by mainly comprising the steps of selecting the parent hyriopsis cumingii, breeding the parent hyriopsis cumingii, collecting seedlings, breeding the hyriopsis cumingii seedlings at the parasitic stage, breeding juveniles after the seedlings are removed, breeding young hyriopsis cumingii and the like.

The invention discloses a tilapia fry rearing method. The tilapia fry rearing method comprises the following steps: breeding parent tilapia fries which are bigger than nine-sieve, picking parent tilapias which are disease free, injury free, strong and good in sexual maturity to rear, hybridizing the female parent tilapias and with the male parent tilapias according to ratio of stocking, picking up roes, incubating the roes with flowing incubating water in an incubating tank, cultivating the roes by marking in bold, and cultivating fries. Oviposition period is shortened by about seven days, incubating rate is as high as 67.9%, fry survival rate is 89.6%, each female tilapia lays 6700 fries each year averagely, fry production rate is improved by 30%, and the sizes of the fries are uniform. By means of the tilapia fry rearing method, fries can be reared all through a year, a large amount of tilapia fries are reared and the tilapia fries grow fast and are strong in stress resistance. The tilapia fries reared in mass are born at the same time, gonad developments are synchronous, sizes are the same, characters are unified, and heredity purity is high. Moreover, the tilapia fry rearing method has the advantages that incubating period is short, incubating efficiency is high, inheritable characters are good, fertility is strong, and fries can be reared in an overwintering mode.

The invention, which belongs to the technical field of the aquatic livestock culturing, particularly relates to a four-level culture method of a lateolabrax japonicus pond. First-level cultivation, second-level cultivation, third-level cultivation, and adult fish cultivation are carried out on lateolabrax japonicus in a pond successively. A third-level cultivation pond is encircled by a net and a pond base in a pond; a second-level cultivation pond is encircled by a net and a pond base in the third-level cultivation pond; and a first-level cultivation pond is encircled by a net and a pond base in the second-level cultivation pond. According to the invention, with optimization of the culturing technology in a graded culturing mode, ways containing the culturing means like ecological mixed breeding are improved; the seedlings can be domesticated to eat food in a centralized mode and thus seedlings with uniform sizes can be cultivated; the yield of the fries can be improved; the average acre yield of the lateolabrax japonicus can be increased; and the comprehensive benefits of the lateolabrax japonicus culturing can be improved.

The invention discloses a slow sinking type puffing aquatic product matched pellet feed. The pellet feed contains 9-15% of carbohydrate and 8-22% of grease. The puffing degree of the pellet feed is 1.1-1.25, and the volume mass is 380-420kg / m<3>. The pellet feed is a special feed with low sugar and high grease for artificial carnivorous fish culture. The invention also provides producing equipment and method of the pellet feed. The producing equipment comprises a crusher, a mixer, a quality controlling machine, a dual-screw puffing machine, a granulating machine, a dryer and the like which are sequentially connected. A screw assembly in the dual-screw puffing machine consists of a delivering area screw, a kneading area screw and a forming area screw. The invention can obviously enhance the quality of the fish, greatly reduce the generation of fatty liver in the fishes, and ensure the uniform size of the finished fishes.

The invention discloses a hierarchical cultivation method for seahorse seedlings. The primary cultivation is carried out in a glass box filled with light green seedling-raising water. Artemia larvae are firstly fed, and then 80-mesh copepods are used for feeding. The seahorse seedlings The growth is good, and the seedlings are cultivated to a length of more than 15mm; the second, third, fourth and fifth grades are cultivated in indoor nursery ponds with light green seedling water, and the bait for the second grade cultivation is copepods over 80 mesh, which is conducive to feeding and growth , cultivated until the seedling body length is more than 25mm, the bait for the third-level cultivation is mysis or shrimp seedlings, the third-level cultivation is until the seedling body length is more than 40mm, and the fourth-level cultivation starts to domesticate and feed the bait by gradually increasing the frozen shrimp, and cultivate to the seedlings The body length is more than 55 mm, and no mysis or shrimp seedlings are added at the end of the five-level cultivation, and the frozen shrimp is completely fed, and the seedlings are cultivated to a body length of more than 70 mm; the hippocampus seedlings cultivated by the method of the present invention have neat specifications and good adaptability , a higher growth rate.

The invention provides a method for the cage propagation of Portunus trituberculatus Miers in a coastal mudflat pond, which is characterized in that: selecting and domesticating parent crabs; selecting egg-carrying crabs and producing juveniles; and breeding juvenile crabs, wherein the whole juvenile crab breeding process is performed in natural ecological environment in the coastal mudflat pond. The invention also provides breeding cages and accessory facilities which are used in the method, which comprise temporary parent crab breeding cages, breeding cages and juvenile attaching bases. In the cage propagation in the coastal mudflat ponds of the invention, the parent crabs are gown in the temporary breeding cages, the juveniles are distributed in the breeding cages and the juveniles are bred in the cages; all facilities are arranged in one pond, so the operation is convenient; being bred in the outdoor coastal mudflat pond, the Portunus trituberculatus Mier juveniles can well adapt to the outside environment; the survival rate is high; the juveniles production is consistent; and the drawback of low adaptability to outside environment of juvenile crabs bred in greenhouses is overcome.

The invention discloses a schizothorax intensified and quick breeding method. Staged separated breeding is performed, and the aquatic water environment is continuously kept within a range appropriate for growth of schizothorax, so that ingestion and growth all the year round are realized; various kinds of fry bait are matched scientifically and reasonably to meet the growth requirements of schizothorax, so that the rate of survival in fry cultivation reaches about 90%, the breeding period from the fries to marketable fishes is shortened to about 2.5-3 years, the sizes of marketable fishes are consistent, and during the cultivation and breeding, no serious disease or loss is caused; besides, the method is simple to study, popularize and master, and has the advantage of high cultivation benefit (the input-output ratio is 1:5), and has huge application value and positive significance in promoting income increase and wealth acquisition at impoverished mountainous areas.

The invention relates to the technical field of breeding for seafood seeds, in particular to a method for industrially breeding king salmon fry. The method includes steps of comprehensively treating fry breeding water; releasing fertilized eggs; manufacturing fry breeding initial feed; biologically regulating and managing the quality of the fry breeding water; performing classification and pond distributing management on the fry, and the like. The temperature, the illumination, the transparency, dissolved oxygen, the salinity, a pH (potential of hydrogen) value, harmful substances, disease organisms and the like of each indoor isolated fry breeding pond are effectively controlled, so that fry breeding environmental conditions are optimized, the stress resistance and the disease resistance of the fry are improved, the quality of the fry is enhanced, and a survival rate of the fry is increased. The method has the advantages that a key technology for breeding the king salmon fry is implemented, an efficient and environment-friendly fry breeding mode is provided, a novel high-end aquaculture variety is additionally provided for the marine aquaculture industry, and a gap in technologies for breeding the king salmon fry in China is filled.

The invention discloses a PCR primer pair used for identifying the genetic sex of Pseudobagrus ussuriensis, and a rapid identification method thereof. The identification method comprises the steps of examined individual tissue drawing, genome DNA extraction, sex specific DNA fragment PCR amplification, agarose gel electrophoresis, ultraviolet light detection shooting and examined individual genetic sex determination. High-quality genome DNA is extracted through an optimized process, a sex specific DNA fragment is amplified, and the existence or not and the existence characteristic of the sex specific fragment are detected under ultraviolet lights, so the genetic constitution of Pseudobagrus ussuriensis is identified, and the genetic sex is discriminated in 1-2d. The PCR primer pair and the rapid identification method provide a rapid identification method for identifying sex reversal fish and super-male fish, provide technical support for breeding all-male fish, and have the advantages of breeding time shortening, great increase of the output, breeding cost reduction, and profound economic and social values.

The invention relates to a method for cultivating a macrobrachium rosenbergii offspring seed by using an aquatic ozone culture system. In the method, a square corner-cutting offspring seed culture pond with a proper area is built and macrobrachium rosenbergii is stocked at a proper density and technologies of reasonable temperature regulation and control, oxygenation measures, feed management and cultivation water body control and the like are matched. The method has the beneficial effects that the fine and standardized management is carried out on a traditional technology of cultivating the macrobrachium rosenbergii offspring seed; and in addition, due to use of the aquatic ozone culture system, the offspring seed culturing survival rate is improved, the physique of the offspring seed is enhanced, the offspring seed culturing period is shortened and the offspring seed culturing yield and economic benefit are greatly improved.

The invention discloses a crayfish and rice intergrowth cultivation method. The method comprises rice field selection and improvement, disinfection, crayfish fry throwing, crayfish feeding, rice planting and adult crayfish fishing. The crayfish and rice are in a reciprocal symbiosis relation, the crayfish loosens soil for the rice and eliminates insect pests, the rice has the characters of absorbing N, P and other nutrient elements in a water body, has the shading function, purifies the cultivation water body and also provides an inhabiting and hiding place for the crayfish, a good growth environment is created for the crayfish, and the crayfish cultivation product quality is improved. The cultivated crayfish is fast in growth and tidy in specification while normal production of rice is not influenced, one field has two purposes, the crayfish and the rice are both harvested, and benefits are greatly increased.

The invention belongs to the field of feed processing devices and particularly relates to a smashing device and a smashing and squeezing integrated device with the smashing device. The smashing device comprises a machine frame and two rollers which are arranged below a feeding port and rotate oppositely. Each roller is provided with wheel tooth type movable cutters arranged spirally. The movable cutters on the two rollers are mutually staggered in the axial direction of the rollers. Upper fixed cutters are installed on the machine frame at intervals and located on the two sides of the portion below the feeding opening. The upper fixed cutters are meshed with the movable cutters. According to the smashing device and the smashing and squeezing integrated device with the smashing device, the double rollers are adopted and conduct smashing and cutting oppositely, the upper fixed cutters are also arranged, so that the problem that when straws of bananas and other crops are smashed and cut, the straws slide and are not prone to being cut off is solved, and the cutting and smashing efficiency is improved. The whole smashing and squeezing integrated device with the smashing device is simple in structure and easy to maintain, and intelligent control can be achieved for different working conditions at the same time; the whole smashing and squeezing integrated device with the smashing device can be disassembled, disassembled devices can be independently used, the feed processing efficiency and machining quality can be greatly improved, and the smashing device and the smashing and squeezing integrated device with the smashing device are particularly suitable for machining of banana straws.

The invention provides a shrimp breeding and raising integrated method, which comprises the steps of erect a net cage that has suitable size and mesh specification in a shrimp raising pool; raising shrimp with eggs of a certain phase temporarily in the net cage; and breeding the young shrimp in the pool. <{EN2}>The young shrimp raising regularity and specification are effectively guaranteed by controlling the birth time of the shrimp with eggs artificially; at the same time, the young shrimp and the adult shrimp are raised in the same pool by taking measures like reasonable feeding management, water quality regulation and control, and daily management. In this way, the shrimp is breed and raised together; raising cost is reduced; labor intensity is lowered; the proportion of large shrimps is lifted; and the shrimp raising benefit is raised. <{EN3}>The advantages of the present invention are that the specification of the raised young shrimp is generally the same; the proportion of the raised large shrimps is higher than the proportion in traditional raising way; labor force cost for raising the shrimp is reduced because the shrimp is breed and raised in the same pool; the parent shrimp used for breeding can be captured and recovered, and the raising cost is reduced because the recovery rate is high.

The invention discloses a high-stem North American Begonia cultivating method. The method comprises the steps of selecting fertile sandy loam on flat terrain where irrigation and drainage can be conducted conveniently from late February to early March, ploughing the soil for curing before winter comes, applying sufficient base fertilizer and compound fertilizer, applying pesticide to prevent insect attack, conducting even ploughing, conducting leveling and fine raking, making a seedbed with a width of 1.2 m and a length determined according to the length of land, making 25-35 cm wide and 25-35 cm deep planting furrows in the seedbed, digging out grafted seedlings of the last year from a garden, cutting off the parts 3-5 cm above the grafting portions, planting the seedlings with the planting space of 10*20 cm, watering the seedlings sufficiently after planting, and conducting topdressing regularly (applying 2% urea aqueous solution every 15 days) in the growing period from June to August during plant height growth.

The invention relates to an artificial indoor seedling breeding method for charybdis feriatus and belongs to field of charybdis feriatus cultivation. The method comprises the following three steps: preparing a breeding pond; hatching larvae, and putting the larvae into the pond; breeding seedlings. By taking the technical measures of water quality regulation, water temperature regulation, salinity regulation, illumination regulation, bait reinforcement and the like in the indoor breeding pond, artificial indoor seedling breeding is carried out on the charybdis feriatus. The artificial indoor seedling breeding method for the charybdis feriatus has the technical advantages that the specification of the seedlings is neat, the survival rate is high, and the vitality is high; the technology is mature, safe and easy to master, can be quickly absorbed and mastered by farmers, and is applied to development of large-scale artificial seedling breeding; the healthy and quick development of national artificial seedling breeding jobs for the charybdis feriatus is facilitated prospectively.

The invention discloses imitation-rattan furniture and a manufacturing method thereof. The imitation-rattan furniture is formed by weaving rattans, or is composed of a part made of rattans and a part made of other materials, wherein each rattan comprises one strand or multiple strands, and adopts imitation rattan made of fiber-containing bio-based composite material, the fiber-containing bio-based composite material is formed by compounding modified straw powder or modified wood flour and plastic at certain ratio. According to the invention, due to the adoption of the bio-based imitation rattan material, the use experience of the imitation-rattan furniture is improved, and the furniture is firm and durable, is convenient to manufacture, low in cost, and is environmentally friendly.

The invention belongs to the technical field of aquaculture, and discloses a method for training California perches to eat in a net cage. When a pool is cleaned and fertilized, perch fry are put in the pool. When the perch fry reach 2.5-3.0 cm, the perch fry are put in the net cage for centralized eating training, and the perch fry are fed with compound feed; regular screening and grading are conducted, and the perch fry are put into an adult fish pool for adult fish breeding after reaching a certain size. According to the method for training the California perches to eat in the net cage, the success rate of fingerling taming and the survival rate are high, the fingerlings are standardized in size, feed waste is reduced, and the economic benefits of the aquaculture are increased.

The invention relates to a siganus guttatus fry breeding method, and belongs to the field of siganus guttatus breeding. The siganus guttatus fry breeding method comprises the following steps: pond cultivation of fry, transportation of fry, preparation of a standard coarse pond and workshop standard coarse cultivation of fry. The siganus guttatus fry breeding method has the technical advantages that the pond fry cultivation time is shortened, the outdoor pond utilization rate is increased, the feeding of biological baits is decreased, the feeding of the artificial mixed feeds is advanced, the cultivation cost is reduced and the fry after indoor standard coarse is ordered, rapid in growth, strong in anti-stress capacity and high in survival rate. The siganus guttatus fry breeding method is mature in technology, safe and easy to grasp, can be rapidly mastered and grasped by the farmers, is suitable for carrying out large-scale artificial breeding of fry and is hopeful for promoting the healthy and rapid development of the artificial breeding work of siganus guttatus fry in China.

The invention relates to a high-yield breeding method of freshwater shrimps. The method is characterized by comprising the following steps: firstly, breeding by using Taihu freshwater shrimps as female parent shrimps, putting selected shrimps into a greenhouse in the middle ten days of every February, warming from the third day after putting in the greenhouse, and increasing 1 DEG C every two days, wherein shrimps molt when the water temperature reaches 16 DEG C; cultivating larva in a cement pond, capturing larva in the first ten days of Arial, putting the captured larva into an automatic sewage disposal nursery pond the first day, then capturing three times every day and putting larva once in the nursery pond, wherein the water temperature is controlled to be between 28 DEG C and 30 DEG C; aerating the nursery pond with a micropore pipe; paying attention to the molting time, changing water and performing Chinese herbal medicine stimulation method once molting is found so that the larva in the same nursery pond finish molting at the same time within 6 hours, so as to lay a foundation for future high-yield breeding; after 23 days when the larva all grow into young shrimps, reducing the water temperature to be the same with the temperature of an outer pond to get ready for putting the young shrimps into the outer pond, wherein the area of the pond for adult shrimps is 5-8mu and the shrimps are stimulated with garlic lixivium when the shrimps are found to molt so that the shrimps can finish molting within 12 hours completely. The method has the advantages of high survival rate and high yield.

The invention discloses a steel plate production method based on an MES management system. In the method, assembly production is performed according to the number of actually required steel plates of all orders, and on the premise of the same steel variety and thickness, orders left after large order assembly and small-assembly orders are combined and assembled to realize the 100-percent assembly and feeding production of the assembly materials and orders. The method improves the effective utilization rate of assembly materials, reduce production of unplanned products attached in contracts, optimize production plan, increase weight of assembly materials and realize high-efficiency production of a production line.

The invention discloses a method for processing and recycling aquaculture water in an intensive culture pond, which comprises the following steps: (1) performing oxygenation measures, and then gathering pollutants in a central sewage draining exit; (2) arranging a discharge pipe at the central sewage draining exit, wherein the discharge pipe is communicated with a gate of a drainage sluice; (3) pumping sewage in the pond from a pump pipeline by using pumping equipment; (4) separating the sewage by a foam separator; and (5) dealing with pathogens in the obtained clean water by an ozone generator and then discharging the clean water to the pond for recycling, collecting the obtained sewage and then carrying out biochemical treatment on the sewage, after the sewage is up to the standard, discharging the sewage. In the intensive culture pond implementing the technology of the invention, the aquaculture water consumption can be reduced by 70 to 80 percent, the sewage discharge is reduced, the environmental pollution is alleviated, and the aquaculture output is raised; and meanwhile, the method of the invention is beneficial for cutting off the horizontal transmission route of the pathogens, and can be used for processing and recycling the water in the intensive culture ponds for culturing the economic aquatic species such as fishes, prawns, macrobrachium rosenbergii and crabs, and the like in the process of cultivation, therefore, the method is helpful for the healthy and sustainable development of the aquaculture industry, and has high use value.

The invention discloses a factory-like procambarus clarkii breeding method which is applied to a breeding system. The breeding system comprises a breeding area, a plurality of separation nets are arranged in the breeding area, and the breeding area is divided into a plurality of breeding spaces by the separation nets. The breeding method includes the steps: placing procambarus clarkii parents intothe breeding spaces according to the male and female proportion of 1:1; breeding mated ovigerous females in the breeding spaces in a temperature control manner; hatching shrimp eggs: separating shrimp seeds from the females and hatching the shrimp seeds into juvenile shrimps in a temperature control manner according to a first mode; washing the shrimp eggs growing to be orange, placing the separated shrimp eggs into a hatching barrel at the temperature of 9-12 DEG C and preserving the separated shrimp eggs according to a second mode; taking out the separation nets and seed shrimps after the shrimp seeds are hatched; breeding the juvenile shrimps until the juvenile shrimps grow into 3-4cm long procambarus clarkii. The breeding speed of the procambarus clarkii can be controlled, so that synchronism of the shrimp seeds is guaranteed, and individual difference caused by different growth speeds of the same batch of shrimp seeds is avoided.

The invention discloses a rice and cray synergetic ecological breeding method. Soil is loosened and insect pests are removed for rice by breeding crays. According to the characteristic of rice absorbing nutritional elements in a water body and a shading action, the breeding water body is purified, habituating and concealing places are also provided for the crays, a good growth environment is created for the crays, and the quality of the cray breeding product is improved. The metabolic products of the crays and feces of the crays increase organic fertilizers for production of rice in the comingyear, so that rich organic fertilizers can be provided for growth of rice. Dosages of chemical fertilizers and pesticides are reduced in the rice planting process to promote growth. Meanwhile, the space of the rice paddy is utilized effectively. In the water quality keeping aspect, organic components in soil and feeds are decomposed to ammonia, so that the ammonia and nitrogen content in the water body is increased. The water quality is easy to eutrophicate. The crays bred are quick to grow and order in specification, and normal production of rice is not affected, and one rice paddy is dual-purpose, so that the income is increased greatly.

The invention provides a rice and crayfish synthesized planting and breeding method. The method comprises the following steps of rice field modification, rice cropping, small crayfish stocking, ecological system building, daily management, product harvesting and the like. The synthesized planting and breeding method combines timed crayfish breeding, ecological system building, precise feeding of mixed feed, rice field water fertilizer synthesized management, pest control, compound microecologicsapplication and other technologies, achieves dual purposes in one field, effectively improves the farmland utilization rate and comprehensive efficiency, and improves the economic benefits.