47results about How to "Reduce fish disease" patented technology

The invention relates to the technical fields of agricultural novel fertilizers and fishing aquiculture, in particular to a special high-efficiency compound fertilizer for freshwater aquiculture. The special high-efficiency compound fertilizer is characterized by consisting of the following effective components in percentage by weight: 30-60 percent of cured organic matter, 30-54 percent of inorganic fertilizer, 3-7 percent of chelated trace fertilizer, 5-7 percent of microbial agent, 2.5-4 percent of compound multi-ore and 1 percent of water quality improver. The special high-efficiency compound fertilizer for freshwater aquiculture uses a scientific formula of trace elements according to the abundant lean condition of the trace elements in soil of China for the first time and is beneficial to improving the utilization rate of mineral nutrition contents and preventing the water body pollution caused by excessively adding the trace elements. The fertilizer contains a plurality of macroelements and intermediate trace nutrient elements which are essential for phytoplankto, has coordinated nutrient proportion and is especially suitable for the growth of delectable living feeds for fishes, such as diatom, Euglena, cryptomonas, chrysophyceae, and the like.

The invention discloses special EM (Effective Microorganisms) bacteria powder for aquaculture, as well as a preparation method and application of the special EM (Effective Microorganisms) bacteria powder. Bran, corn flour, amino acid powder and the like, which are used as dry matter fillers, are mixed with brown sugar, glucose and the like to obtain a mixture; the mixture is subjected to sealing fermentation at 25-37 DEG C for about 10 days by lactic acid bacteria, bacillus licheniformis and bacillus coagulans, so that fermented materials are prepared; then the prepared fermented materials are dried and crushed and are mixed with bacillus subtilis to obtain a final product. The EM bacteria powder can be directly scattered in a water body to inhibit pathogenic microorganisms through mass propagation of probiotics, decompose harmful substances in the water body, promote the growth of normal floras and beneficial algae in a cultivation ecosystem and keep the ecological balance of the aquaculture water body. The method is adopted to prepare the EM bacteria powder, the fermentation period is short, the process is simple, the equipment investment is low, the materials are convenient to obtain, and the method is easy to implement and is suitable for industrial production and self-production of households.

The invention discloses a light-transmitting biological purifying recirculating water fish culture system, including a water source, a water distribution workshop, a sun bio filter, a water division pool, a foam separation pool, a foam separation tank, a sewage discharge pool, a biological packing pool, an ultraviolet disinfection pool, an oxygenation water supply pipeline, a fish culture workshop, and a secondary wetland sewage treatment system. Therefore, through a creative biological purifying method, industrialized recirculating water fish culture is satisfied, and a bio filter with suitable illumination condition is built. Thus, various alga which is beneficial for purifying water quality, and rooted filter feeders and active microbial films can be cultivated in the bio filter, so water environment, cultured fishes, and microbe content and other factors form stable ecological balance, just like marine ecological environment. Thus, a marine fishery pollution-free healthful aquaculture base is established.

The invention discloses a compound micro-ecological preparation for degrading nitrite in a culture pond and application. The invention discloses a microorganism preparation for degrading the nitrite in a shrimp pond and inhibiting pathogenic bacteria, in particular relates to the compound micro-ecological preparation for degrading the nitrite, and belongs to the technical field of culture. The micro-ecological preparation, which contains mixed powder and small granules, is prepared by selecting pseudomonas, bacillus amyloliquefaciens and bacillus subtilis which have a denitrification effect, and taking wheat bran, zeolite powder and corn starch as auxiliary materials. According to the compound micro-ecological preparation disclosed by the invention, on one hand, a small molecular carbon source is introduced into a water body, so that the metabolic activity of original denitrifying bacteria and heterotrophic nitrification bacteria of the pond is enhanced; on the other hand, microorganism bacteria play a role on a pond bottom and a water body at the same time through adsorbents with different specific gravities, so that the release of ammonia nitrogen and the nitrite at the pond bottom is reduced; thirdly, the bacillus amyloliquefaciens is utilized, so that the quantity of pathogenic bacteria including vibrio and the like can be inhibited while the water quality is improved, and furthermore, fish diseases are reduced.

The invention relates to a fertilizer and water essence special for aquaculture. The fertilizer and water essence special for aquaculture is prepared from, by mass, 70% of concentrated biogas slurry, 70% of potassium fulvic acid, 2.5% of yeast, 2.5% of EM bacteria, 2.5% of bacillus and 2.5% of compound amino acids. The invention further provides a production method of the fertilizer and water essence. Compared with the prior art, the fertilizer and water essence is comprehensive and balanced in nutrition and quick to take effect. Compared with traditional fertilizer and water fertilizers, the more effect of decreasing aquaculture diseases is played, and because the essence is liquid, and the essence is evenly mixed with water for spraying and is simple and easy to operate.

The invention discloses a method for fish farming with biogas fertilizers in a rice-fish symbiosis mode in a rice field, which comprises the following steps:S1, sorting and disinfection on the rice field; S2, fertilizing basal fertilizers; S3, transplanting seedlings; S4, excavating a fish ditch; S5, spraying biogas slurry; S6, putting fish fry to the water; S7, spraying promotion fertilizers; S8, top dressing; S9, daily management:regular oxygen dissolution in water should be carried out, pH and hydrogen sulfide determination are carried out regularly, thereby ensuring the dissolved oxygen in water in the rice field is not lower than 8 mg / L, pH 6.6-7.2; S10, harvesting, wherein the rice is harvested after being mature, and the fish are caught after growing to full maturity. The method for fish farming with the biogas fertilizers in the rice-fish symbiosis mode in the rice field has the advantages that fish farming can be carried out by utilizing the biogas fertilizers in the rice field, thereby improving fertilizer efficiency of the rice, increasing the yield of the rice, increasing the production of the fish in the rice field, increasing the earnings of farmers and improving the effective utilization of the biogas fertilizers.

The invention discloses a method for producing aquatic feed, which comprises: mixing 60 to 90 weight parts of dry and clean dung and bran and 10 to 40 weight parts of bran, wherein the dry and clean dung is dry and clean dung of pigs; placing the mixture in a fermenting vat, and fermenting at normal temperature for at least 30 days; and turning and drying the fermented product at a temperature of below 80 DEG C to obtain the aquatic feed. In the method for producing the aquatic feed, which is provided by the invention, dung waste from farms is fully utilized, the raw materials are simple and readily available, the process is simple and easy to operate, pig dung waste is changed into valuable things, diseases are prevented, pollution caused by farms is prevented, the added value of products is improved and income is increased.

The invention discloses a single-way water quality on-line monitor comprising a main controller which is connected with a working power supply; the main controller comprises a single-chip microcomputer; the single-chip microcomputer is connected with a terminal equipment module through a relay output module; the single-chip microcomputer is also connected with an analog/digital (A/D) conversion module; the A/D conversion module is connected with a signal conditioning module; and the signal conditioning module is connected with a sensor module. According to the single-way water quality on-line monitor, dissolved oxygen and temperature in the water quality of an aquaculture environment can be scientifically and precisely analyzed and monitored, and the dissolved oxygen and the temperature in the water are controlled through a scientific method.

The invention belongs to the field of aquaculture and especially relate to a fishery-lightening integrated ecological grass carp culture feed as well as a preparation method and an application thereof. The fishery-lightening integrated ecological grass carp culture feed is characterized by comprising the following ingredients in parts by weight: 1.5-2.5 parts of Chinese herbal medicines, 18-22 parts of fish meal, 10-14 parts of bean meal, 4-6 parts of corn protein powder, 1-3 parts of rice protein powder, 9-11 parts of rapeseed meal, 9-11 parts of cottonseed meal, 15-17 parts of bran, 15-17 parts of flour, 1-3 parts of calcium dihydrogen phosphate, 3-5 parts of fish oil and 0.5-1.5 parts of premixed feed for the grass carps. According to the invention, photovoltaic modules are set up on the water surface to generate electricity while the fishes are cultured under the water surface, so that a mode in which 'electricity can be generated above the water surface while fishes can be cultured under the water surface' is formed. Thus, land resources are saved, environment is improved and unit incomes of the fish ponds are increased.

The invention relates to an auxiliary mixed medicament of fish medicine. The medicament is prepared from, 2-4 parts of aldehyde bactericide, 2-6 parts of triazine bactericide, 1-3 parts of pyridine bactericide, 2-5 parts of dispersing agent, 1-2 parts of surface active agent, 2-3 parts of disintegrating agent, 1-5 parts of anti-freezing agent, 2-7 parts of thickening agent, 11-13 parts of chemicaloxygen producer, 1-2 parts of biological bacterial agent, 0.1-0.2 part of sodium citrate, 0.6-1 part of binding agent and 300-360 parts of water. The auxiliary mixed medicament of the fish medicine has the advantages that when the air temperature rises, the temperature of surface water gradually rises, and the density gradually declines; the air temperature is lower than the water temperature atnight, when the air temperature gradually declines, the temperature of the surface water also gradually declines, the density gradually rises, so that the density of the surface water is larger than that of bottom water, accordingly convection of upper and lower water is caused, and a sterilization medicament flows to the underwater position along with water; a large quantity of pathogenic bacteria in bottom sludge is effectively prevented from being carried to the whole water, the opportunity that cultured fishes are in contact with the pathogenic bacteria is reduced, fish diseases are reduced, and meanwhile the content of bottom oxygen is increased by putting oxygen producer at the same time.

The invention relates to the field of feeds and particularly relates to a tachysurus fulvidraco extruded pellet compound feed and a production method thereof, wherein the tachysurus fulvidraco extruded pellet compound feed comprises an energy feed raw material, a protein feed raw material, a compound premix feed and auxiliary materials. The tachysurus fulvidraco extruded pellet compound feed can float on the water surface, so that the ingestion situation of tachysurus fulvidraco can be conveniently observed, and the feeding amount is controlled, and thus the health situation of tachysurus fulvidraco can be learned in time. By virtue of culturing the tachysurus fulvidraco with the extruded pellet compound feed, the cultured tachysurus fulvidraco is natural in color, uniform in tachysurus fulvidraco body, fresh and tender in flesh, anti-stress, anti-transportation, and low in feed coefficient, so that the tachysurus fulvidraco culturing cost is reduced, labor is reduced, wastes are reduced, the growth speed is increased, tachysurus fulvidraco diseases are reduced, thus the culture benefits are improved, resources are saved, and the culture environment is protected.

The invention relates to a finless eel farming facility, in particular to a finless eel farming net cage. The net cage comprises a net wall and a net bottom formed by meshes and adopts a polyvinyl material, wherein bar-shaped connecting components used for fixing the net cage are arranged at the top ends of at least two opposite net walls, the net cage is a cuboid-shaped net cage without nodules, the wire mesh sieve number of each mesh is 0.6-0.8. The net cage facilities the gas exchange in the net cage, reduces accumulation of the residue fodder and excrement of finless eels, reduces occurrence of diseases of the finless eels, and improves the yield.

The present invention relates to the field of feeds and particularly relates to a puffed granule compound feed for ietalurus punetaus and a production method thereof. The puffed granule compound feedcomprises energy feed raw materials, protein feed raw materials, a compound premixed feed and auxiliary materials. The puffed granule compound feed can enable the bred ietalurus punetaus to be naturalin body color, well-proportioned in fish body, fresh and tender in meat quality, anti-stress, and resistant to transportation; besides, the puffed granule compound feed is also low in feed coefficient and high in economic benefits; and at the same time, the puffed granule compound feed reduces the breeding cost of the ietalurus punetaus, reduces labor and waste, increases growth rate, reduces fish diseases, and thus improves breeding benefits, saves resources and protects breeding environment.

The invention relates to a compound bacterial fertilizer based on biogas slurry and a preparation method thereof, and belongs to the field of biological fertilizer. In view of the problem of bacterialfertilizer preparation based on biogas slurry and compounded with various beneficial microorganisms, the invention provides the composite bacterial fertilizer based on the biogas slurry, wherein thecomposite bacterial fertilizer is prepared from the following raw materials by the mass percentage: 10%-50% of the biogas slurry, 0.2%-10% of a culture auxiliary material, 0.25%-2.5% of a composite microbial liquid, and the balance water. The culture auxiliary material is prepared by mixing sodium chloride, glucose, potassium dihydrogen phosphate, magnesium sulfate, sodium acetate, ammonium bicarbonate, potassium sulfate, corn flour, soybean flour, calcium carbonate and glycine; the compound microbial liquid is obtained by fermenting with bacillus subtilis, lactic acid bacteria, photosyntheticbacteria and yeast, and the concentration of the composite microbial liquid is 1-2*10<8> CFU/ml. The biogas slurry, the culture auxiliary material and water are mixed in proportion and then added into a fermentation pool, then the mixture is inoculated with the composite microbial liquid in proportion, then uniform mixing is performed, and fermentation is performed to obtain the compound bacterial fertilizer. The compound bacterial fertilizer is suitable for the development and utilization of the microbial fertilizer.

The invention provides an integrated breeding method for ornamental crab and ornamental fish. The method is characterized by comprising the following steps: (1) culture pond selection; (2) fry putting; (3) breeding management; and (4) water-quality management. The integrated breeding method for the ornamental crab and the ornamental fish provided by the invention can effectively utilize the whole water space; manure discharged by the ornamental crab can fertilize water quality and propagate plankton, so bait can be provided for the fish eating the plankton, and the effect of improving water quality can be exerted; in general, the ornamental crab can only eat slow-moving diseased fish and dead fish, thereby exerting the effects on preventing pathogens from transmission and reducing fish diseases, facilitating growth of the ornamental crab and the ornamental fish, and improving breeding efficiency; meanwhile, floating plants are planted in the culture pond, so water quality is purified, and a good water-quality environment is provided for growth of the ornamental crab and the ornamental fish.

The invention discloses an eco-organic and efficient fish-turtle polyculture method. The method includes the steps of building of a standard culture pond, artificial breeding of earthworm bait, pond disinfection, fry putting, young turtle putting, feeding management, water quality control and disease and parasite control. According to the method, biomass feed is used for breeding earthworms, the earthworms are used as bait for feeding fishes and turtles, the use of chemical substances causing pollution is eradicated, and thus the fishes and turtles produced through the method are green organicfood and can enrich the food structure of people and increase the dietary nutrition of people; organic food is provided for the society, and the economic income of farmers is increased.

The invention discloses a multifunctional livestock and poultry manure energy regeneration pretreatment composite system which comprises an anaerobic fermentation system, a solid-liquid separation system, a biogas recycling system and an organic fertilizer utilization system. According to the invention, the excrement discharge problem of the livestock farm can be effectively solved, the excrement is fully utilized, the excrement is subjected to solid-liquid-gas three-phase separation in the anaerobic fermentation system and the waste solid-liquid separation system through the excrement pool, and the biogas enters the biogas recycling system to be conveniently recycled; solid excrement is treated and enters the organic fertilizer utilization system for fishpond breeding and farmland planting, residual liquid can also be used for providing fertilizer for farmland through irrigation, efficient utilization of energy is improved, and the whole system is convenient to operate, simple and labor-saving and has important significance on livestock and poultry excrement treatment.