108results about How to "Neat specification" patented technology

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 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 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 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 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 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 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.