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191 results about "Aquatic fauna" patented technology
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Nutraceuticals and method of feeding aquatic animals
A delivery vehicle for bioactive agents and live probiotic microbes to aquatic animals protects the bioactive compounds and microbes from digestion and destruction in the animal stomach. It provides for controlled release of bioactive agents and live probiotic microbes to aquatic animals in the form of dry or wet beadlets with essential nutrients and attractants bound with soluble starch and cross-linked alginate. The bioactive agents and live probiotic microbes can be bound with emulsified high-amylose starch and embedded in the beadlets in the form of microparticles.
Owner:INTERVET INC
Encapsulated vaccines for the oral vaccination and boostering of fish and other animals
ActiveUS7998502B2Overcomes shortcomingAntibacterial agentsSsRNA viruses negative-senseVaccinationAquatic animal
Owner:INTERVET INC
Non-invasive rapid detection device of aquatic animal morphological feature
InactiveCN101288589ARapid determinationDetermination is accurate and harmlessPerson identificationSensorsAquatic animalMeasurement point
An aquatic animal morphological character damage-free rapid measuring method belongs to the technical field of aquatic animal measuring methods, which is characterized in that the method comprises the following steps: a standard graduated scale is laid beside the aquatic animal to be measured and a clear image is shot with a digital camera; the image is led into a computer image processing software to determine the ratio X between the unit length of the standard graduated scale and the correspondent image distance; correspondent frame measuring fixed points are selected on the image profile and the image distance L1 between the points measured is measured according to the measuring requirements of aquatic animal morphological characters of different types when the image size is kept unchangeable; the actual distance L0 between the points measured is calculated according to the computing formula that L0 is equal to X*L1. The measuring method realizes the rapid, accurate and damage-free measurement of the shapes of living aquatic animals, which has important meaning for improving the work efficiency of object aquatic animal morphological research and provides possibility for the measurement and tracing observation of the aquatic animal living body.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES
Culturing method of biological flocculation for aquiculture
ActiveCN102515339AReasonable nutritional composition of flocsSimple methodAnimal feeding stuffBiological water/sewage treatmentBiotechnologyFlocculation
The invention discloses a culturing method of a biological flocculation for aquiculture, comprising the following steps of: (1) extracting culturing water to a culturing unit; (2) additionally providing a carbon source or / and a nitrogen source for the culturing unit so that the total carbon content in water is 5.5-45mg / L, the total nitrogen content is 0.55-2.25mg / L and the ratio of carbon to nitrogen is (10-20):1; (3) placing cultured fishes into the culturing unit, wherein the released density is 5-30kg / m<3>; and (4) collecting flocculation when the total suspended solid (TSS) content of the water in the culturing unit is up to 100-500mg / L. The biological flocculation cultured by using the method provided by the invention is reasonable in nutritional composition, can be used as bait of aquatic animals and is simple in method, low in cost and suitable for popularization and use.
Owner:PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
Microparticulated vaccines for the oral or nasal vaccination and boostering of animals including fish
ActiveUS20120040010A1Stabilizes sensitive bioactiveImprove thermal stabilitySsRNA viruses negative-sensePowder deliveryVaccinationAquatic animal
The invention relates to a composition and a method for manufacturing semi-dry or dry particles containing a mucoadhesive polymer and a bioactive agent such as, but not limited to, an Immunogenic Substance (e.g., a vaccine), that allows the oral or nasal administration and delivery of the bioactive agent essentially unaltered to mucosal surfaces in the animal, including an aquatic animal.
Owner:INTERVET INC
Pipeline system for industrial cultivation of Trachidermus fasciatus
InactiveCN102318578AImprove adsorption capacityAdjustable pHPisciculture and aquariaTrachidermus fasciatusFishery
The invention belongs to the technical field of aquatic animal cultivation, and particularly relates to a pipeline system for industrial cultivation of Trachidermus fasciatus. The pipeline system is designed and built according to the ecological habits of Trachidermus fasciatus, and comprises the following three parts: a cultivation main body unit, a water treatment unit and circulating pipelines, wherein the cultivation main body unit is used for cultivation of aquatic animals; the water treatment unit is used for treating cultivation water; the circulating pipelines are the connecting channels among the units and also can be taken as the carriers for the flowing of circulating water in the integral system; and water discharged from the cultivation main body unit enters the water treatment unit through the pipelines, is purified and disinfected, and returns the cultivation unit, thus a closed circulating cultivation system is formed. In the invention, a pipeline system cultivation mode of Trachidermus fasciatus is built; and in the cultivation main body unit, corresponding hard biotopes are arranged according to the requirements of Trachidermus fasciatus in different growth stages, soft biotopes required by Trachidermus fasciatus are manufactured through adjusting and controlling the water circulation mode and the like, thereby achieving the purpose of cultivating Trachidermus fasciatus effectively.
Owner:FUDAN UNIV +1
Aquaponics system
Owner:THE ECO LIFE FOUND
Intelligent ecological fish-vegetable intergrowth culture box
InactiveCN103621456AOvercoming the problem of single plantingAchieve natural circulationPisciculture and aquariaAgriculture gas emission reductionAquaponicsPlant growth
The invention relates to an intelligent ecological fish-vegetable intergrowth culture box, which comprises an LED (light emitting diode) plant growth lamp (1), a plant growth tray (2), an aquatic animal culture area (3) and an aquatic plant cultivation tray (4). The LED plant growth lamp (1) is hung above the culture box through a barb member, the plant growth tray (2) is connected to the aquatic plant cultivation tray through five cylinders, the aquatic animal growth area (3) is the space of the culture box, the aquatic plant cultivation tray (4) can be paved with filter materials such as perlite, cobblestone and active carbon. The LED plant growth lamp (1) adopts a wireless network signal receiver to receive the light quality of a computer host, and the light source is automatically adjusted through a luminescence signal. The plant growth tray (2) is in a barrier form, and materials such as sponge, foam plates and fibers can be used as the culture medium. The aquatic animal culture area (3) is provided with an EC sensor, a water level adjusting device and a temperature sensor. The intelligent ecological fish-vegetable intergrowth culture box is used for the planting and cultivation in high mountains, grassland, plant factories, greenhouses, households and regions which are lack of water.
Owner:SUZHOU KEDA WEILONG INFORMATION TECH
Compositions and methods for encapsulating vaccines for the oral vaccination and boostering of fish and other animals
ActiveUS20120288552A1Overcomes shortcomingSsRNA viruses negative-senseAntiviralsVaccinationAquatic animal
The invention relates to a composition comprising a pharmaceutically active agent and a bioadhesive delivery system that provides for the oral delivery of a vaccine to animals, particularly aquatic animals.
Owner:INTERVET INC
Combined ecological floating bed and culture method thereof
InactiveCN104129856AEnsure ecological balanceTake advantage ofEnergy based wastewater treatmentSustainable biological treatmentMicroorganismIn situ remediation
Owner:SUN YAT SEN UNIV
Ecological floating bed and method for recovering eutrophic reservoir aquatic ecosystem by utilizing floating bed
PendingCN107055792AAchieve purificationEasy to controlClimate change adaptationAgricultural fishingAquatic ecosystemAquatic animal
The invention provides an ecological floating bed and a method for recovering a eutrophic reservoir aquatic ecosystem by utilizing the floating bed. The ecological floating bed comprises a floating bed body located on the water surface, a net cage which is located at the lower part of the floating bed body and a hanging cup located in the net cage, wherein the floating bed body is formed by combining and connecting a plurality of floating blocks; the net cage is of a net-shaped structure and the upper end of the net cage is connected with the bottom of the floating bed body; the hanging cup is connected with the bottom of the floating bed body through a hanging rope; the floating bed body is used for culturing aquatic plants; the net cage is used for internally culturing aquatic animals; the hanging cup is used for internally culturing submerged plants; furthermore, the invention provides the method for recovering a water ecosystem of a eutrophic water reservoir by utilizing the floating bed. By adopting the ecological floating bed and the method for recovering the eutrophic reservoir aquatic ecosystem by utilizing the floating bed, the ecosystem above the water surface can be effectively recovered and ecosystem reconstruction is carried out on the water body in a certain water depth range below the water surface, so that a complete water body ecosystem is easy to recover and the comprehensive utilization of water body resources is realized.
Owner:HUBEI UNIV OF TECH
Aquarium system
The present invention provides a system and method for improving illumination of aquariums and support of aquatic features placed therein. These improvements are due, at least in part, by providing an aquarium having a recess portion extending inwardly from a wall portion, wherein the recess portion has a transparent or translucent surface for transmitting external light into the container and optionally a shelf structure for supporting aquatic items placed in the aquarium.
Owner:ANNIS DAVID
Compositions and methods for improving the health of aquatic animals
Owner:NOVOZYMES AS
Method for improving microbial activity of artificial wetland
InactiveCN101973639APrevent compactionAvoid cloggingSustainable biological treatmentBiological water/sewage treatmentConstructed wetlandMicroorganism
The invention discloses a method for improving microbial activity of an artificial wetland. The microbial activity of the artificial wetland is improved by adopting synergistic effect of an aquatic animal and an aquatic plant, wherein the aquatic animal is any one of earthworm, viviparus and loach; the aquatic plant is any one of reed, wild rice shoot and cress; and the method realizes the synergistic effect of the aquatic animal and the aquatic plant by certain condition control, and improves the microbial activity of the wetland and the pollutant removing capacity of the wetland. The controlled conditions comprise variety selection of the aquatic animal and the aquatic plant, quantity control, planting depth and density and the like. The method is suitable for improving the activity of various wetland microbes, can improve the treated microbe number of a wetland treatment system by one order of magnitude in domestic sewage treatment, and is particularly favorable for improving the denitrification efficiency of the wetland system.
Owner:SOUTHEAST UNIV
Additive of organic zinc feed and preparation method and use thereof
InactiveCN101530168AEasy to prepareImprove product qualityAnimal feeding stuffAccessory food factorsDiseaseAquatic animal
The invention discloses an additive of organic zinc feed and preparation method and use thereof. The method comprises the steps of: stirring under 10 to 60 degrees centigrade, adding chitosan with deacetylation being 70 to 100% into diluted acid with volume percent density being 0.5 to 2% to be 0.5 to 10% chitosan acid solution; then adding inorganic zinc solution into the chitosan acid solution; wherein the content of the inorganic zinc is 1 / 5 to 30 times of the content of the chitosan; reacting for 0.5 to 15 hours, separating, washing the obtained solid substances for many times until checking out the ions free of zinc, drying, crashing to obtain the additive of organic zinc feed. The invention provides a simple method of preparing the additive of organic zinc feed, which has stable quality and is widely popularized and applied. The additive can be used as the additive for zinc for livestock, birds, aquatic animals and experimental animals. The additive has high biological availability and can save sources and protect the environment and can be sued as an immune dose for improving the resistance against diseases of the animals.
Owner:ZHEJIANG UNIV
System for breeding aquatic fauna
ActiveUS8770149B2Avoid lostReduction and prevention in releaseClimate change adaptationTents/canopiesAquatic animalEngineering
The invention provides a breeding system for aquatic fauna that includes a chamber (2) having a wall (4) made from a water impermeable material. In one embodiment the chamber is provided with one or more hatches (20) in the wall where each hatch can be opened to a selectable extent. In another embodiment, the chamber has a selectable volume. The breeding system according to another embodiment includes one or more of the life support systems (30) adapted to be submerged in water.
Owner:BIO BOOOT
Fusion proteins, recombinant bacteria, and exosporium fragments for animal health and aquaculture
Fusion proteins, recombinant Bacillus cereus family members that express fusion proteins, and exosporium fragments derived from spores of the recombinant Bacillus cereus family members are provided. Compositions comprising the spores or exosporium fragments are also provided. Methods involving the use of spores of recombinant Bacillus cereus family members and exosporium fragments derived from spores of a recombinant Bacillus cereus family member in the fields of animal health and aquaculture are provided. In particular, methods are for provided for using such spores or exosporium fragments for protecting an animal or an aquatic organism from a pathogen. Methods are also provided for using exosporium fragments for producing an immunogenic response in an aquatic animal. Products for use inprotecting animals from pathogens are also provided, including adhesive patches, wound dressings, insert trays for livestock footbaths, hoof bandages, feed, feed additives, and insect foggers.
Owner:SPOGEN BIOTECH INC
Algae bloom control method based on biologic chain relationship
InactiveCN103214096ALess investmentLow running costSustainable biological treatmentBiological water/sewage treatmentAquatic animalChain structure
The invention belongs to the technical field of ecological engineering and relates to an algae bloom control method based on a biologic chain relationship. The algae bloom control method disclosed by the invention is established by adopting food and inhibition relationships among organisms, so that the algae bloom outbreak in wetland water is inhibited. By adopting net-isolating floating island, composite layer net supporting floating island, wetland artificial planting technologies and aquatic animal stocking technologies, appropriate wetland organisms (including wetland plants and wetland animals) are selected according to the wetland hydrologic process and the seasonal variation characteristics, the algae bloom control method based on the biologic chain relationship disclosed by the invention is established and a complete wetland biologic chain structure is formed, so that the goal of controlling the algae bloom outbreak in the wetland water is achieved.
Owner:RES INST OF FORESTRY NEW TECH CHINESE ACAD OF FORESTRY
360-degree aeration, water mixing and feeding all-in-one machine
ActiveCN104273083AIncrease the areaSolve the technical problem that concentrated eating is prone to hypoxiaClimate change adaptationPisciculture and aquariaAnimal scienceFish health
A farming method and large rotating farming apparatus, the method comprising: stocking an aquaculture water area with aquatic animals, disposing on the water of the aquaculture water area a large rotating farming apparatus having oxygenation and feeding functions, the large rotating farming apparatus mainly comprising a central positioning mechanism, an oxygenation mechanism and a feeding mechanism; the central positioning mechanism comprises a switching mechanism (1) positioned by a central shaft (6); one end of the rotating arm of the large rotating farming apparatus is connected to the rotor of the switching mechanism, to drive the feeding mechanism under a thrust flow effect of the oxygenation mechanism to make large rotations around the central shaft and realize simultaneous oxygenation and feeding.
Owner:吴为国
Compositions and methods for improving the health of aquatic animals
Owner:NOVOZYMES AS
Ecological revetment and ecological embankment combined system and construction method
InactiveCN112211159AGuaranteed integrityEnsure stabilityClimate change adaptationCoastlines protectionWater qualitySoil and water loss
The invention discloses an ecological revetment and ecological embankment combined system and a construction method. The combined system adopts ecological building blocks with vegetation holes for carrying out slope protection on riverways, lakes and other near-shore slopes, ecological bags are stacked at the junction of land and water, channels for exchange of near-shore slope soil and water environment substances and a water body natural purification function are guaranteed, aquatic plants can be planted in the ranges of the ecological building blocks and the ecological bags, meanwhile, theecological building blocks and the ecological bags are suitable for survival of aquatic animals, the biological diversity is guaranteed, the water quality is improved, a good ecological and landscapeeffect is achieved, due to the arrangement of a hydrophilic footpath, the requirements of people for being close to a water bank and returning to nature can be met, meanwhile, a bottom beam, a top beam, geotechnical cloth, a banket retaining wall, a footpath retaining wall and other structures are arranged, therefore, an ecological revetment and an ecological embankment form an integral structure,the stability of the near-shore slope and the flood prevention and drainage functions can be effectively guaranteed, and water and soil loss is avoided.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +1
Preparation method and application of biological-based oxygen, sulfur and nitrogen codoped porous carbon
InactiveCN107497397ASimple processRich sourcesOther chemical processesAlkali metal oxides/hydroxidesAquatic animalPorous carbon
The invention relates to a preparation method and application of biological-based oxygen, sulfur and nitrogen codoped porous carbon. Skin or bones of aquatic animals serve as the raw materials of the oxygen, sulfur and nitrogen codoped porous carbon, the specific surface area of the biological-based oxygen, sulfur and nitrogen codoped porous carbon obtained through activation is 1144.63 to 1517.03 m<2> / g<-1>, the nitrogen doping amount can reach 5.9 percent, and the sulfur doping amount can reach 2 percent. By the preparation method, the pore structure of the porous carbon can be regulated and controlled, codoping of oxygen, sulfur and nitrogen is realized, and the process is scientific, reasonable and easy to operate, so that the production cost of the oxygen, sulfur and nitrogen codoped material is reduced. The physical and chemical properties of the prepared biological-based oxygen, sulfur and nitrogen codoped porous carbon are obviously improved.
Owner:BEIJING UNIV OF CHEM TECH
Stereo ecological floatation bed and water purification method thereof
InactiveCN100340501CGuaranteed survival rateImprove biodegradabilityBiological water/sewage treatmentPurification methodsAquatic animal
A three-dimensional ecological floating bed and its water-cleaning method, which is the water cleaning technology in environmental engineering; the said three-dimensional ecological floating bed comprises upper, middle and lower three layers, the upper layer is aquatic plant unit(21), the middle of the central hollow pipe in the upper layer is equipped with overflow water inlet pipe(11), the upper of the hollow pipe is equipped with air inlet pore(2), the top is equipped with drop-down map(9), the lower of the hollow pipe is equipped with water inlet pore(10), shampoo spray is installed in the upper part of the drop-down cap; the middle layer is aquatic animal unit(22), aquatic animal cage(14) is equipped in this layer, perforated board(19) and intermediate water intake loop are equipped in the lower part, sampling pipe(6) is connected with intermediate water intake loop(20); the lower layer is the artificial dielectric unit(23), the artificial dielectric(13) is suspended in the suspending support(12), a bottom support(17) and a bottom water intake loop(18) are equipped in the bottom; a floating bottle(3) is equipped in the peripheral of the ecological floating bed.
Owner:SOUTHEAST UNIV
Ecological floating bed with self-aeration function suitable for heavily polluted riverway with relatively high flow speed
ActiveCN104261567AIncrease dissolved oxygenSolve the lack of purification abilityTreatment using aerobic processesBiological treatment apparatusRiver routingPolyvinyl chloride
The invention provides an ecological floating bed with a self-aeration function suitable for a heavily polluted riverway with relatively high flow speed. The ecological floating bed is characterized in that aquatic plants grow on a bed body matrix; aquatic animals are bred in a barrel-shaped floating bed body; the barrel-shaped floating bed body is fixedly connected with aeration devices; the barrel-shaped floating bed body is formed by assembling two concentric barrels through a PVC (polyvinyl chloride) pipe; the aeration devices are symmetrically mounted at the periphery of the barrel-shaped floating bed body; the barrel-shaped floating bed body is connected with a fixing device. The ecological floating bed has the advantages that the dissolved oxygen content of a bed body system and a peripheral water body can be increased, so that the floating bed plants can grow satisfactorily; holes are formed in the periphery of the bed body to slow down the damage of water flow on the bed body system and prolong the hydraulic retention time of the water body passing through the bed body; filter-feeding fishes are bred, so that the biodiversity of the water body is improved and a certain economic value can be obtained; the ecological floating bed does not need other energy consumption and is simple in structure and easy to manufacture, and the pollutant purifying efficiency of the ecological floating bed is improved.
Owner:HOHAI UNIV
Biopesticide and preparation method thereof
The invention provides a biopesticide, comprising a brucea fruit extract, a castor bean extract and an osthol, wherein the brucea fruit extract is 50-75% of ethanol extract of brucea fruits; and the castor bean extract is 50-75% of ethanol extract of castor seeds. The invention also provides a preparation method of the biopesticide, which comprises the steps of respectively weighing the brucea fruits and the castor seeds, rolling and grinding the brucea fruits and the castor seeds, extracting by using 50-75% ethanol, uniformly mixing the obtained brucea fruit extract and the obtained castor bean extract, adding the osthol to an obtained mixture and mixing the osthol and the mixture to obtain the biopesticide. The biopesticide provided by the invention has the advantages of simple prescription, simple preparation method, very strong insecticidal and molluscicidal effects and low toxicity for people and livestock and aquatic plants as well as aquatic animals; and by using the biopesticide, the pollution to the soil and water can be reduced.
Owner:王乃利
Wetland ecosystem restoration method
ActiveCN111661915AQuick switchPromote growthWater treatment compoundsClimate change adaptationActivated sludgeAmmonia-oxidizing bacteria
The invention discloses a wetland ecosystem restoration method which comprises the following steps: firstly carrying out sectional water pumping dredging on a water area of an object wetland, storingthe pumped wetland water body into an anaerobic tank, and carrying out impurity removal, soaking, aeration, precipitation and separation on the cleaned sludge to obtain active sludge and deposited sludge; drying the deposited sludge until the water content does not exceed 5%, crushing, adding EM bacterial powder, ammonia oxidizing bacteria powder, bacillus subtilis powder, a probiological growth promoter and volcanic mud, and uniformly mixing to obtain bacterial mud; putting the activated sludge into a wetland water body, and carrying out intermittent aeration; backfilling bacterial sludge tothe water area section subjected to water pumping and desilting, planting submerged plants on the bacterial sludge, arranging a microorganism substratum on the bacterial sludge, and pouring the wetland water body back to the water area section; and arranging an ecological floating bed in the water area section, and putting benthonic animals, fishes and shrimps put into the ecological floating bed.The water transparency can be rapidly improved, a complete aquatic animal ecological chain and microbial communities are constructed, wetland pollutant reduction is promoted, and the water quality isimproved.
Owner:广州市广绿园林绿化有限公司
Enantioselective oligomerization of α-hydroxy carboxylic acids and α-amino acids
An enzymatic synthesis and composition of oligomers and co-oligomers comprised of α-hydroxy carboxylic acids and α-amino acids or peptides is disclosed. In a preferred embodiment, a α-hydroxy carboxylic acid with a specific chiral configuration is linked by an amide linkage to a α-amino acid specific with a specific chiral configuration or linked by an amide linkage to a peptide made up of α-amino acid monomers having identical chiral configurations. Proteolytic enzymes catalyze oligomerization of the α-hydroxy carboxylic acid and α-amino acid. The degree and distribution of oligomerization varies upon the type and concentrations of different reaction mixtures utilized and upon the length of allowed reaction time. The resultant oligomers may be provided to animals such as ruminants as bioavailable amino acid supplements that are resistant to degradation in the rumen and other animals such as swine, poultry and aquatic animals.
Owner:NOVUS INTERNATIONAL INC
Construction method of landscape lake water ecosystem
InactiveCN112110546AImprove survival rateEliminate and preventContaminated soil reclamationBiological water/sewage treatmentSoil scienceAquatic plant
The invention relates to a construction method of a landscape lake water ecosystem. The construction method comprises the following steps: 1, landscape lake region division: dividing the interior of alandscape lake into a fixed side slope ecosystem, an aquatic animal system and a lake bottom aquatic plant ecosystem according to different ecological effects; 2, landscape lake water pretreatment: carrying out tedding and quicklime sterilization and disinfection methods on lake bottom soil; 3, constructing of a side slope ecological system: planting emergent aquatic plants at a shallow water side slope of the landscape lake; 4, constructing of a lake bottom aquatic plant ecological system: planting submerged plants in a central deep water area of the landscape lake; 5, constructing of an aquatic animal system: after the aquatic plants are planted, putting filter-feeding fishes and other filter-feeding benthic animals into lake water; and 6, later maintenance: harvesting the aquatic plants and catching the aquatic animals regularly. The method has the effects that the survival rate of the aquatic plants is increased, and the self-repairing capacity and the self-purifying capacity of awater body are enhanced.
Owner:HUANGHUAI UNIV
Technology for improving the water quality of landscape water
InactiveCN101544426ASustainable biological treatmentBiological water/sewage treatmentEcosystemAquatic animal
The present invention relates to a technology for improving the water quality of landscape water, composed of principally three components: 1) a bottom quality reconstruction technology; 2) an aquatic animal control technique, 3) an aquatic vegetation renovation technology. The technology of the invention has strong generalization worthiness for improving the water quality of a cityscape shallow water type lake (within three meters), a prominence advantage is that a clear water type ecologic system is constructed through the water quality improving technology, the water will be clear and has well landscape effect, devotion is disposable and the operation cost is low.
Owner:南京中科水治理股份有限公司
Pearl beverage raw material and preparation method thereof
InactiveCN1666673AImprove the crushing finenessIncrease iodic acidFermentationAnimal proteins working-upInorganic saltsAquatic animal
The invention discloses a pearl beverage raw material and preparation process which comprises, disintegrating pearl raw material, charging iodic acid and edible acid to steep 24-72 hours, adjusting pH to neutral, charging minced aquatic animal meat, mixing and placing in reaction still, adjusting pH to neutral, charging 0.1-0.25% papain and 0.1-0.25% trypsin, carrying out catalytic reaction for 1.5-4 hours at 40-65 deg. C, finally filtering and removing the filtering deposit to obtain filter liquor.
Owner:DAHU AQUACULTURE +1
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