327results about How to "Improve farming output" patented technology

The invention discloses a health-care compound feed for prawns and a production method thereof. The invention aims to provide a health-care compound feed for prawns, which can improve immunity in the prawns, utilization rate of feed and water quality, and a production method thereof. The formula of the raw material comprises the following components in part by weigh: 1 to 6 parts of imported white fish meal, 20 to 25 parts of steamed fish meal imported from Taiwan, 2 to 8 parts of steamed fish meal made in China, 18 to 22 parts of high-gluten wheat flour, 15 to 22 parts of peeled soybean pulp, 8 to 15 parts of peanut cakes, 2 to 6 parts of defatted shrimp meal, 1 to 3 parts of beer yeast cream, 1 to 3 parts of soyabean lecithin oil, 0.5 to 2 parts of refined fish oil, 0.5 to 2 parts of monocalcium phosphate and 1 to 4 parts of additive premix. The production method comprises: crushing, primary material mixing, secondary material mixing, hardening and tempering, granulating, braising, aging, drying, cooking, sieving and packaging. The invention can improve the breeding yield of pawns, reduce discharge pollution, improve water environment and the like.

The invention relates to an ecological breeding method for sea horses, which is characterized by comprising the following steps: putting sea water in which zygotes of fishes, shrimps and shellfishes are filtered into a cement pool, ensuring that the height of the sea water is 0.2 to 0.4 meter lower than that of the cement pool, and keeping the temperature of the sea water between 15 and 32 DEG C and the salinity of the sea water between 1 to 3 percent; putting kelps into the cement pool, and keeping the fresh weight density of the kelps in the cement pool between 0.5 and 2 kg/m; inoculating organic fertilizer to the cement pool to breed bioactive baits; putting the sea horses to the cement pool; and during breeding, keeping the density of the living biological baits in the cement pool. Compared with the prior art, by adopting the method for breeding the sea horses, little bait even no bait is fed, so the cost is low and the pollution is little; and the produced sea horses have high survival rate, large individual and good economic benefit; and the method can be used for supplementing the resources of coastal sea horses, and broadens the path of marine organism resource protection.

The invention discloses a benthic diatom culture method for growing seedlings and an abalone fry culture method, which relate to an abalone culture technology. The invention is characterized by comprising the following steps: (1) starting culturing algaes 45 days before pulling seedlings, keeping the culture water temperature at 14 DEG C and the illuminance between 20001 and 30001x, controlling the light between 10001 and 15001x at the last culture after screening and eliminating algae culture for one and half a month, and laying ovum after 7 days; (2) adding nutrient salt at primary culture,wherein the adding ratio of N:P:Si:Fe is 5:1:1:1(ppm); (3) laying ovums about 5 millions for each pool and carrying out micro inflation; (4) changing water regularly after the ovums are laid and changing water twice a measuring range which is 24 hours; (5) carrying out running water culture after the ovums swim for 5 to 6 days and are adhered; (6) controlling the illuminance within 10001x after larvas metamorphose; and (7) dumping the pool after treating copepods at about 30 days of the culture period, adjusting the illuminance between 15001 and 20001x and peeling off baby abalones after about45 days. The methods have the advantages of improving the yield and preventing and treating a plate stripping disease.

The invention relates to a method for aquaculture, in particular to a method for breeding Odontobutis obscura through fish-rice symbiosis in a pool. According to the method, rice is planted in the pool for Odontobutis obscura aquaculture. The fish-rice symbiosis method is adopted for breeding food organisms in water to provide natural baits for fishes, and the rice is used for providing ingestion, shielding and inhabiting space for the fishes, shrimps, crabs and others; the fishes and the crabs prey on insect pests to control ineffective tillering of the rice; original ecology planting mode that no pesticide is sprayed, no fertilizer is applied, and residual baits and excrement are used as nutrients is adopted, , so that while the problem of nutrient enrichment of aquaculture water is effectively solved, shading and cooling are achieved in summer; heat preservation and temperature constancy are achieved in winter, an inhabiting place is provided for the bred variety, the growth period is prolonged, so that the breeding yield and quality and the specification on the market are improved, and the high yield and efficiency are achieved. According to the method, the production problem that wild and natural prey of the Odontobutis obscura is converted into artificial breeding is solved, the environment of breeding water quality, apparent availability and breeding production benefits are improved, and the method is of great importance in protecting natural resources.

An automatic indoor culture system for aquatic products features that the culture pool is stepped for staged cultures, the water for culture is treated by a circulating water treating system, the water quality is monitored and the optimum state is controlled by a water monitor system, and beside, the bait is uniformly distributed by an overlead moving throwing equipment. Its advantages are high density and quality, high survival rate and high output.

The invention discloses an ecological breeding method for grass carp, wherein the ecological breeding method for the grass carp comprises the following steps: (1) building a fish pond; (2) sterilizing the fish pond; (3) stocking the fingerling; (4) feeding and managing; (5) preventing and treating the diseases and insect pests; (6) catching; the ecological breeding method for the grass carp has beneficial effects as follows: the breeding method can raise the breeding quality and yield for the grass carp, the meat flavor of the grass carp bred by the method is delicious, the taste is good, the scientific breeding management can be realized, the diseases and insect pests can be prevented and treated while the fish has health care function, the diseases and insect pests can be thoroughly prevented and treated, the disease control rate is 100%, the method is ecological and environment-friendly, the production cost is low, the economic benefit is high, the large-scale production can be realized; the natural forage grass and granule crushed from the feed are adopted during the breeding process of the grass carp, the commercial compound feed is not used, the chemical synthetic drug and the antibiotic drugs are not used, so the production cost is reduced, the quality of the grass carp is good and the yield is high.

The invention relates to a method for cultivating the Krause's crayfish, comprising that cleaning the field, cultivating the parental crayfish, cultivating the seed and taking off, cultivating the rice. The invention is characterized in that the cultivation of parental crayfish is processed in the surrounded groove, which has an anti-jump device and near the ground arranges seed holes at 0.8-1.2cm diameter; the crayfish seed can pass through the holes into the field. The invention can pre-cultivate the parental crayfish to avoid damaging the rice. And the invention can obtain many benthic fauna as the bait of parental crayfish, seed, or the like.

The invention relates to a method reducing fish culture pond water body nitrogen phosphor content and improving culture output; the method comprises the following steps: 1, setting a pond; 2, culturing pond plants; 3, culturing biofloc; 4, inputting fish fingerlings; 5, feeding at intermittences; 6, water quality management; 7, disease control. The novel method can comprehensively improve water quality, can reduce the pond nitrogen phosphor content, can improve bait utilization efficiency, and can improve feedable fish output in the same time.

The invention discloses a method for freshwater culture of penaeus vannamei by using a bio-flocculation technology. According to the method, lactic acid bacteria and bacillus subtilis organisms are utilized, through aeration, bio-flocculation is quickly cultured and generated, the purification effect on water quality can be achieved through the assimilation of heterotrophic bacteria in the cultureprocess of penaeus vannamei, and meanwhile crude proteins, crude fat and other nutrients required by penaeus vannamei are increased; the utilization rate of feed can be increased, and the feeding amount is reduced; in addition, by gradually reducing the salinity of a water body, the culture environment can be adjusted slowly to avoid negative effects caused by salinity change fluctuation on culture organisms in the environment, the culture quality and yield are improved, and the adaptability of penaeus vannamei to the environment is improved.

The invention discloses a litopenaeus vannamei boone anti-disease compound feed, which is characterized by consisting of a feed composition I, a feed composition II and a feed composition III which are compounded. The invention also relates to a feeding method for the compound feed, which comprises the following steps of: at the initial culture stage, feeding the feed composition I when the length of the shrimp body is 1 to 6 centimeters; at the middle culture stage, feeding the feed composition II when the length of the shrimp body is 6 to 8 centimeters; and at the later culture stage, feeding the feed composition III when the length of the shrimp body is over 8 centimeters. The anti-disease compound feed can remarkably enhance the pathogenic tolerance of the litopenaeus vannamei boone, improve the survival rate of the bred litopenaeus vannamei boone and increase the breeding yield of the litopenaeus vannamei boone. The compound feed has the advantages of easily-obtained raw materials, simple production process, stable quality, capability of providing balanced nutrient components, good palatability and easy digestion and absorption, effectively solves the problem of easy attack of the litopenaeus vannamei boone under artificial culture conditions, and can be applied to culture production of the litopenaeus vannamei boone in large scale.

The invention discloses a low carbon type litopenaeus vannamei ecological fodder and a preparation method thereof. The fodder comprises the following components: bean pulp, fish meal, flour weevil powder, chicken powder, inkfish powder, earthworm powder, fly maggot powder, silkworm chrysalis meal, shrimp head shell powder, rapeseed dregs, rice bran, wheat flour, corn flour, enteromorpha algae powder, saccharomyces cerevisiae, fish oil, soybean oil, phospholipid oil, folium mori flour, monocalcium phosphate, choline chloride, compound ore, compound vitamins, vitamin C phosphate and phytase. The fodder has scientific compatibility of medicines; the fish protein is replaced by the insect protein mainly from flour weevil, so that the dependence on the imported fish meal can be reduced, the cost is lowered and the low carbon purpose is achieved; the bioactive substances including folium mori flour, alga, and the like, are added, so that the factor interference of anti-nutrients can be reduced; the prawn can fully utilize the fodder; the growth performance of the prawn can be promoted; the emission amount of nitrogen and phosphorus can be reduced, so that the breeding environment of the prawn can be improved.

The invention discloses an underwater netting cleaning robot through cavitating jet, and mainly relates to the field of underwater attached marine creature cleaning. The robot comprises a chassis, a walking mechanism, a controller, a video monitoring probe, a propeller and a rotary cleaning head, wherein the chassis is used for installing the walking mechanism, the controller, the video monitoringprobe, the propeller and the rotary cleaning head, the walking mechanism is used for driving the robot to move on a hanging net, a power transmission device is used for providing power for the walking mechanism, the video monitoring probe is used for collecting image information around the robot, the propeller is used for pushing the robot to be attached to the hanging net, the rotary cleaning head is used for generating high-pressure water containing cavitation bubbles, and the walking mechanism is arranged on the chassis, the propeller is arranged on the side edge of the chassis, and the rotary cleaning head is arranged below the chassis. The robot has the beneficial effects that the cavitating jet is adopted as a cleaning mode, so that the netting cleaning can be completed through a net cage in a breeding state.

The invention relates to a litopenaeus vannamei relay type breeding mode. For the litopenaeus vannamei relay type breeding mode, phased breeding management of specific pond desalination and standard size breeding, high-density fine breeding and timely accurate sparse breeding is conducted in a greenhouse pond, a transition pond and a breeding bond respectively, beneficial microorganisms are used for conducting directional adjustment and control on pond microbial ecology in the whole breeding process, a technology of catching and stocking in rotation is combined, and litopenaeus vannamei relay breeding in different spaces is achieved. The litopenaeus vannamei relay type breeding mode has the advantages that the pond utilization rate is high, two-batch litopenaeus vannamei larvae can be bred in one year, the time of juvenile litopenaeus vannamei staying in the breeding pond is short, the water quality and substrate are not prone to deterioration, after the juvenile litopenaeus vannamei is put into the breeding pond, the survival rate is high, precision of breeding management measures of feeding and the like is easy, the breeding water quality and microbial ecology are easy to control, the breeding yield is high, and the breeding benefit is high.

The invention relates to a method for culturing river crabs by utilizing the early breeding crab larvae, in particular to a method, by which the river crabs are cultured in a pond or other water areas and become large-size commercial crabs. The method is characterized in that the method comprises the steps of (1) purchasing the early breeding crab larvae: the selection of the crab larvae purchasing date, the selection of the crab larvae quality, and the transportation of the crab larvae; (2) culturing the early culturing crab larvae: the disinfection of the culture pond, the arrangement of the escape preventing fence, fertilization, water injection to the crab larvae pond, the cultivation of water grass, the stocking of the early breeding crab larva, and the feeding of artificial food; (3) controlling the gonad development speed of crabs: the crabs getting through the summer artificially, the crabs getting through the winter and grow naturally, the stocking of the crabs, the management of the crab larvae getting through the winter, the promotion of the river crab for exuviation and growth, and the culture and the harvesting of the river crab. The crabs, the gonad of which is immature are cultured by utilizing the early breeding crab larvae produced at the beginning of December to the end of the April in the ensuing year; the growing period of the early breeding crab larvae can be prolonged, and the sexual precocity can not happen; through the artificial over-summer and the natural over-winter technologies, the early breeding crab larvae can become the crabs for the river crab culture; the crabs cultured by utilizing the early breeding crab larva can be cultured into the grown crab with the specification being 200 to 400g for each.

The invention discloses a high-yield disease-resistant tenualosa reevesii cultivating technology which comprises five aspects which are feed formula, feed preparation, fish fry release, daily management and disease prevention. A mode of combining refined feed feeding and elaborate management is adopted, the physical ability and constitution of tenualosa reevesii are enhanced, the disease resistance of tenualosa reevesii is improved internally, and the optimal environment suitable for survival of tenualosa reevesii is created through the elaborate management. The disease is prevented at an early stage, preventive measures are taken, and the potential hazard of the disease is eliminated externally; and through internal and external control and comprehensive treatment, the cultivation yield and benefit of tenualosa reevesii are greatly improved.