38 results about "Aquicultures" patented technology

The invention discloses a cryopreservation method for sperms of ablen, which comprises the following steps of: sampling the sperms, performing microscopic examination, mixing the sperms and an antifreeze agent, and freezing. The cryopreservation method is simple and feasible, has obvious effect and good cryopreservation effect. If the sperms of the ablen most important in Chinese aquiculture are preserved by the method, the activity of the unfrozen sperms is more than 90 percent, and the bottleneck problems of insufficient male fish and asynchronous sexual maturity of female and male parent fish in the ablen culture are effectively solved.

The invention relates to a production method of bacillus amyloliquefaciens antimicrobial lipopeptide and application thereof in prawn feeds and belongs to the technical fields of aquiculture and biology in the field of agriculture. The production method comprises the following steps that bacillus amyloliquefaciens fmb-50 with the collection number of CGMCC No.6249 is used as a strain and is sequentially subjected to seed culture, amplification culture and fermentation production to obtain fermentation liquor; the thalli of the fermentation liquor are removed through microfiltration or membrane filtration and nanofiltration; corn starch or porous starch is added for absorption and spray drying is carried out, thus obtaining an antibacterial substance feed additive with the antibacterial valence of 40000-50000 IU/g or 250000 IU/g. The antibacterial substance which is produced from the bacillus amyloliquefaciens fmb-50 through fermentation can be industrially produced in a large scale; the production period is short and production cost is greatly reduced; when used in the prawn feeds, the antibacterial substance can reduce the mortality rate, improve the utilization ratio of the prawn feeds, promote the nonspecific immunoreaction of prawns and enhance the energy metabolism level.

The invention belongs to the technical field of aquiculture, particularly relates to culturing management for the poly-culture of shrimps, crabs and shellfish in sea, mudflat and ponds and aims to reduce the generation and discharge of aquiculture waste in the culturing process. The culturing management method is characterized by comprising the following steps of: after culturing seedlings in early spring, transferring water to control mass breeding of enteromorpha and delaying the enteromorpha salvaging time to late spring and early summer so as to reduce the generation of enteromorpha waste and increase the seedling protection rate and the survival rate; in summer, changing the bottom and transferring the water, so that the water is not changed, the discharge of culturing wastewater is reduced and the morbidity is reduced; and mixing composite vitamins or an EM preparation into the feed so as to improve the feed conversion rate, reduce the residual feed and the discharged waste, enhance the physique of the cultured animals and improve the survival rate. The method can effectively reduce the substance and energy waste in the poly-culture ecosystem of the shrimps, crabs and shellfish, reduce the eutrophication pollution in the water areas around the culturing area and overcome the problems of blind fertilization, environmental pollution caused by excessive discharge and irrigation and frequent disease outbreak of the traditional culturing management.

The invention relates to the field of the aquiculture, in particular to methods of the breed selection of the soft-shelled turtle breed-parent and the breeding of the soft-shelled turtle. The breed selection of the soft-shelled turtle includes obtaining F1 by crossbreeding of the soft-shelled turtle individual and the strip-necked turtle; obtaining the soft-shelled turtle breed-parent F4 after breed selection of three generations, the genetic character thereof is stable at above 99%. The invention also discloses the breeding of the soft-shelled turtle, which includes introducing and breeding F4 as the breed-parent; egg-laying, egg taking, incubating, temporarily breeding of young turtles, breeding of baby turtles, stocking in the outer pond and obtaining the soft-shelled turtle. The bred soft-shelled turtle is characterized in good taste, good mouth feeling and high nutritive value.

The present invention provides one kind of ecological water purifying material for aquiculture. The ecological water purifying material is made with one or two of rice husk, wheat sugar and peanut shell as basic material, and through soaking in water glass solution, draining, and stoving to required water content. Once spreading the water purifying material to water for aquiculture can maintain the water in beneficial ecological state for over 13 months, and sustained water purification can avoid diseases of aquiculture product.

An enrichment probiotics pharmaceutics and its preparation method are provided in the invention. The medium is made up of the phosphate, the MgCl2, the CaCl2, the sodium propionate, the distilled water, the proper growth factor and the microelement. And its pH is adjusted to the proper. Then the actived strain is added into the medium to culture. The flocculating agent is made up of the chitosan and the alum. The protecting agent is made up of the dried skim milk, the brown sugar, the glycerol, the distilled water. The weight ration of the probiotics pharmaceutics is probiotics liquid 800-1200 portion, flocculating agent 1-25 portion, the protecting agent 80-120 portion. It can be used to the aquiculture, the agricultural plant, the effluent treatment and the fancy fish breeding. It can inhibit or kill the breeding of the bacillus and the fungus.

An artificial propagation method for paramisgurnus dabryanus first-filial generation relates to the technical field of aquiculture and comprises the following steps: parent cultivation, pond management, artificial propagation, egg laying and hatching and in-time fishing. The artificial propagation method has the benefits that the production resource is fully utilized, special equipment is not required, raising pollution is avoided, the raising technology is standard and normalized, feeding is scientific and normalized, the technology is novel, the aquiculture quality is improved to a great extent, and accordingly, the profit is increased.

The invention relates to an efficiency-increasing breeding method for resourcefully treating bottom mud of an intensive pond, and belongs to the technical field of aquiculture. The method includes the steps of matching breeding species, resourcefully treating the bottom mud and using oxygen-increasing facilities. Omnivorous fish and filtering-feeding fish are bred in a mixed mode in proportion of 5:1 to 5:2, the bottom mud is resourcefully treated in the breeding period through a specific method, and finally the specific oxygen-increasing facilities are added; the three links act on one another, nutrients in the bottom mud are recycled, and therefore the aim of increasing efficiency during breeding is achieved; on one hand, original functions of the bottom mud are restored and the oxidization state is restored, and on the other hand, organics are oxidized and removed and the oxygen debt probability and the disease outbreak probability are lowered; the aim of increasing both production and income is achieved without throwing in more fish feed.

The invention relates to the field of microbes, and particularly discloses a microbial composition and application thereof. The microbial composition comprises Saccharomyces cerevisiae and Bacillus, wherein the ratio of the viable count of the Saccharomyces cerevisiae to the viable count of the Bacillus is 1:(1-1000). The experiment indicates that the microbial composition has the functions of regulating the aquiculture water body quality, increasing the aquiculture weight gain rate and feed coefficient and lowering the aquiculture death rate. The microbial composition can be prepared into a veterinary medicine, feed additive or water quality purifying agent for independent use, can also be blended in aquatic animal feed to be directly fed, has wide application range, and has favorable economic and social effects.

The invention relates to a method for eliminating alligator weeds in a pond and belongs to a pond weed eliminating technique in aquiculture. Glyphosate isopropylammonium solution, fluroxypyr solution and organic silicon solution are proportioned to obtain mixed solution. Through secondary dilution, the solution is sprayed through a sprayer. If the solution is sprayed once again at an interval of 15 days, the effect is better. When the solution is sprayed, the water level of the pond is required to be lowered to fully expose the alligator weeds, so as to reduce the amount of the solution which falls into the pond. The method for eliminating the alligator weeds in the pond has the advantages that the raw materials are easy to buy, the operation is simple, the stubborn weeds such as the alligator weeds are effectively eliminated, the surrounding environment and the water body are not polluted, and the method is safe to cultured fish and causes no side effect.

The invention relates to a Chinese medicinal composition for preventing and controlling parasite in aquiculture and a preparation method and application thereof. The Chinese medicinal composition comprises the following components in percentage by weight: 10 to 50 percent of lightyellow sophora root, 10 to 50 percent of pokeberry root, 10 to 40 percent of sessile stemona root and 5 to 20 percent of antifeverile dichroa root. The Chinese medicinal composition contains various effective components for killing the parasite, has no toxic and side effects, cannot have pesticide residue, has convenient use, low cost, high efficiency of killing the parasite and difficult occurrence of pesticide resistance, is easily decomposed and has no influence on environment.

The invention relates to the technical field of aquiculture, and discloses a quantitative feedstuff feeding device for aquiculture. The quantitative feedstuff feeding device comprises a base, main gears are movably connected into the base, auxiliary gears are movably connected to the positions above the main gears, rack plates are connected to the outer sides of the auxiliary gears in an engagingmanner, and shielding plates are movably connected to the inner sides of the rack plates. Movable rods are pushed by cams to descend, triangular plates are opened, and the rack plates are driven by the auxiliary gears to open the shielding plates, so that feedstuff falls off, the feedstuff feeding operation is completed automatically, and the feeding efficiency is improved; by means of the rotating speed of the cams and the main gears, the opening and closing time of the triangular plates and the shielding plates can be controlled, so that the quantitative control over the feedstuff feeding amount is achieved; the inner sides of the two shielding plates adopt opposite stepped design, so that the sealing performance of the closed shielding plates is higher, and moisture absorption and caking of the feedstuff in a feeding frame can be prevented; through the stirring effect of stirring rods, the caked feedstuff is scattered and mixed, and the caking and deteriorating of the feedstuff arefurther prevented.

The invention discloses a technical method for cultivating loach by adopting a net cage, and relates to the technical field of aquiculture. The technical method comprises the following steps: the selection of a water body, the arrangement of a net cage, the breeding of loach seeds, the feeding of fodder, the management of water quality, the prevention of diseases, and the timely capturing. The technical method has the benefits that the production resources are fully utilized, the cultivation pollution is avoided, the cultivation technology is standard and specified, the feeding is scientific and specified, the technology is novel, the quality of the aquiculture is improved to a large extent, and the labor of farmers is alleviated, so that the production efficiency is improved.

The invention relates to an ecological agriculture leisure picking operation mode. The mode comprises a characteristic planting and breeding manor circulation mode. The characteristic planting and breeding manor circulation mode involves a plantation, a poultry breeding garden, an aquaculture garden, a dining garden, a leisure and entertainment garden and a product processing garden and integratesthe effects of sightseeing, picking, tourism, dining, leisure and entertainment, so that excellent services are provided for tourists.

The invention relates to fertilizer water paste for aquiculture. The fertilizer water paste comprises components in percentage by weight as follows: 60%-70% of amino acid powder, 5%-8% of corn flour, 1%-5% of bran, 3%-5% of ammonium bisulfate, 1%-3% of fulvic acid, 0.5%-1% of brown sugar, 10%-20% of compound fertilizer, 0.05%-0.1% of microelements and 5%-10% of water. The fertilizer water paste for aquiculture is good in water solubility, fertilizer water takes effect quickly, and beneficial algae and microorganisms can be cultured quickly; amino acid and trace mineral components of the paste can be quickly absorbed by cultured animals and promote body health of the animals; the good water fertility can be kept, the activity of fishes and shrimps can also be enhanced, the appetite of the fishes and shrimps can be improved, growth can be promoted, and the immunity can be enhanced.

The invention relates to aquiculture disinfection powder and a preparation method thereof. Specifically, the aquiculture disinfection powder can be used as a product for disinfecting water bodies in the aquiculture industry and belongs to the technical field of aquiculture. The preparation method comprises the steps of sequentially passing sodium carbonate, sodium hydrogen carbonate, dibromohydantoin and hexamethylenetetramine through an 80-mesh sieve, then sequentially adding into a dry powder agitator for agitation, statically placing, conducting detection and filling the powder into plastic sealing bags to obtain the finished aquiculture disinfection powder. The defects of poor solubility and slow dissolving speed of the dibromohydantoin are overcome, and through a synergistic effect, the aquiculture disinfection powder which is instantly-soluble, easily-soluble, low-cost, safe and environment-friendly is provided. The aquiculture disinfection powder provided by the invention has the advantages that not only is the dissolving speed fast and can the use cost be reduced, but also good economic and environmental benefits can be obtained; and the formula is unique, the effect is remarkable, the aquiculture disinfection powder is not reported previously at home and abroad, the novelty is high and the popularization and application prospect is good.

The invention provides a composite micro-ecological preparation for purifying an aquaculture water body and an application of the composite micro-ecological preparation, and belongs to the field of microbial preparations. The preparation comprises bacillus amyloliquefaciens JL-B05, bacillus amyloliquefaciens JL-B06, bacillus subtilis LYN-1 and bacillus licheniformis LYN-3 in a mass ratio of (3-6):(3-8):(2-5):(2-6). The composite micro-ecological preparation for purifying an aquaculture water body has strong tolerance to harmful substances in the aquiculture water body, and has high degradationcapacity, high speed and remarkable water body purification effect. Meanwhile, the composite micro-ecological preparation can improve the survival rate and yield of aquiculture products, is a new-generation green environment-friendly product, and has a very important effect in protecting the aquiculture water body environment and promoting benign circulation of the water ecosystem.

The invention relates to the technical field of functional microorganism screening and application, and particularly provides novel saccharomyces cerevisiae and an application thereof to aquiculture.The saccharomyces cerevisiae is selected from intestines of litopenaeus vannamei which is healthy and high in vitality, the preservation No. is CCTCC NO:M2020092, pathogenic bacteria can be notably restrained, immunity disease resistance of aquatic animals can be improved, growth of aquatic animals is promoted, the meat quality of the aquatic animals is improved, anti-nutritional factors in plantprotein sources are reduced, and the novel saccharomyces cerevisiae can be widely applied to the field of aquatic product feeds.

A method for culturing paramisgurnus dabryanus in a pond relates to the technical field of aquiculture and comprises the steps of determining the specification of a pond, preventing escape and enemy, obtaining a water source, ensuring the water quality of the pond, stocking loach species, feeding with a fodder, regulating daily management, controlling diseases and fishing timely. The method has the benefits that the production resource is fully utilized, special equipment is not required, raising pollution is avoided, the raising technology is standard and normalized, feeding is scientific and normalized, the technology is novel, the aquiculture quality is improved to a great extent, and accordingly, the profit is increased.

The invention belongs to the digitalization category of healthy aquiculture and provides a quality safety management and retroactive method and a system for aquiculture product. Through curing production database meeting the nuisanceless aquiculture standard and adopting hazard analysis and key control point HACCP system, the invention provides an aquiculture management and retroactive solution according with global uniform code (EAN/UCC) and based on bar code automatic recognition technology for seedling raise and stocking of aquiculture products (such as fish, shrimp and crab) and the overall process management of cultivation and production from fodder spreading to drug use; therefore, the invention realizes organic combination of aquiculture product production flow code and individual marking and seamless integration of production information and bar code marking information. Through adopting the technical proposal, a from-pond-to-table aquiculture product total management and retroactive system is set up to effectively improve management level of enterprises, strengthen governmental supervision and improve aquatic product safety and quality.