31results about How to "Improve farming profits" patented technology

The invention provides an auto-sexing breeding method of early-maturing excellent type yellow-shank partridge chickens. The method comprises the steps that a Qingyuan partridge chicken rapid-feathering line which grows fast in early stage, a Qingyuan partridge chicken slow-feathering line which has prominent reproductive performance and a Guangxi partridge chicken rapid-feathering line are adopted, the grandparent generation selects cocks and hens of the Qingyuan partridge chicken rapid-feathering line, the paternal line selects cocks of the Qingyuan partridge chicken slow-feathering line, and the maternal line selects hens of the Guangxi partridge chicken rapid-feathering line; the parent generation selects cocks of the Qingyuan partridge chicken slow-feathering line, and the female parent selects yellow-shank slow-feathering hens produced by hybridizing the cocks of the Qingyuan partridge chicken slow-feathering line with the hens of the Guangxi partridge chicken rapid-feathering line; for slow-type early-maturing excellent yellow-shank partridge chickens, the cocks are slow-feathering cocks, the hens are rapid-feathering hens, and autosexing is achieved according to the feathering speed. Compared with traditional Qingyuan partridge chickens, commercial generation autosexing according to the feathering speed is achieved, the market age of the hens is 10 days ahead of schedule, the egg laying performance of the parental generation can be improved by 15% or above, the feed conversion rate is decreased by 0.2, and the breeding profit is increased.

The invention relates to the field of chicken breeding, in particular to the matching technology field of slow type special-high quality ma chickens. The ma chickens comprise a progenitor generation, a parent generation and a commodity generation. The matching method comprises the steps that in the progenitor generation, Qingyuan ma cocks and hens, Guangxi ma cocks and slow type recessive white hens are used for constituting a first paternal line and a first maternal line; in the parent generation, the Guangxi ma cocks and the recessive white hens are crossbred to obtain F1 generation chickens; in the commodity generation, the Qingyuan ma cocks and F1 generation hens are crossbred to obtain F2 generation slow type special-high quality ma chickens. According to the chickens bred through the method, the body form of the special-high quality chickens can be kept, the taste of eating chicken and eggs can also be kept, the amount of consumed feed is lowered, the disease resistance capacity is improved, compared with traditional Guangxi ma chickens, the egg laying capacity of the parent generation is improved by more than 25%, the growing speed of the commodity generation is improved by more than 20%, feeding cost is lowered, and the profits of breeding the chickens is increased.

The invention relates to the field of fowl breeding, in particular to the matching technical field of low-speed type extra-superior broiler chickens. The method relates to progenitor generations, parent generations and commodity generations. The method comprises the steps that as for the progenitor generations, cocks and hens of Guangxi sanhuang chickens are selected, and cocks of short-foot yellow chickens and hens of low-speed recessive white-feather chickens are selected for constituting first male lines and female lines; as for the parent generations, the cocks of the short-foot yellow chickens and the hens of the recessive white-feather chickens hybridize, and F1-generation yellow-feather chickens are obtained; as for the commodity generations, the cocks of the Guangxi sanhuang chickens and the hens of the F1-generation yellow-feather chickens hybridize, and the F2-generation slow-speed extra-superior yellow-feather local chickens are obtained. The yellow-feather local chickens bred in the method not only can keep body types and appearances of traditional yellow-feather local chickens, but also can keep taste of chicken and eggs, and production cost can be greatly reduced. Compared with the traditional yellow-feather local chickens, growth speed is increased by more than 30%, egg laying capacity of the parent generations is increased by more than 26%, the rate of survival is increased by more than 3.5%, the feed conversion ratio is reduced by more than 0.17%, and the defects that breeding hens have high brooding capacity and the low laying rate are overcome. In addition, the yellow-feather local chickens bred in the method has delicate meat quality and good mouth feel, breeding profits are increased, and further development of the low-speed type extra-superior chicken industry in China is promoted.

The invention provides a simple high-yielding and ecological environment-friendly cultivation system. The system comprises a fish and vegetable intergrowth culture pond, a sewage treatment system, a water purification area and a water return culture pond reutilization system, wherein the fish and vegetable intergrowth culture pond, the sewage treatment system, the water purification area and the water return culture pond reutilization system are communicated in sequence. A bottom sewage extraction system is arranged in the fish and vegetable intergrowth culture pond and communicated with the sewage treatment system through a pipeline. Compared with the prior art, the simple high-yielding and ecological environment-friendly cultivation system has the advantage of integrating in-situ ecological treatment technologies such as a fish and vegetable intergrowth technology and a microorganism curing technology and heterotopia ecological treatment technologies such as a bottom sewage extraction technology, a natural sedimentation technology, a microorganism filtering technology and a plant purification technology. Through the adoption of the in-situ ecological restoration technology and the heterotopia ecological restoration technology, ecological and environment-friendly high-yielding cultivation can be guaranteed.

The invention discloses ecological fish feed, and relates to the technical field of aquatic feed processing. The ecological fish feed is prepared from 10-18 parts of energy feed, 2-8 parts of herb powder, 2-6 parts of mineral feed, 30-50 parts of mulberry leaf powder, 4-10 parts of earthworm powder, 4-10 parts of microorganism yeast, 3-8 parts of malt starch, 3-6 parts of hermetia illucens and 2-5 parts of green grass. The preparation process includes the steps of (1) smashing, (2) preliminary mixing, (3) paste making, and (4) enveloping. The ecological fish feed has the advantages of being comprehensive in nutrition, high in feed conversation rate, capable of improving immunity, accelerating growth and improving fish meat quality and the like, and is suitable for breeding grass carps and also suitable for breeding common carps, golden carps and other freshwater fishes.

The invention discloses a method for producing nisin and lactic acid through simultaneous saccharification and fermentation and an application of nisin and lactic acid in a feed. The method comprises the steps of with lignocelluloses as raw materials, hydrolyzing lignocelluloses by using cellulose to form monosaccharide, synchronously converting monosaccharide by using Lactococcus lactis subsp.lactis capable of producing nisin and lactic acid to produce lactic acid and nisin. Lignocelluloses such as crop stalks, rice straw or wood chips and the like are synchronously converted into nisin and lactic acid which both have high additional values; in addition, the produced lactic acid and nisin are used in feed additives for cattle and sheep, so that bacteria in greenfeed can be inhibited from breeding, and the greenfeed cannot be corrupted within 20d; after nisin and lactic acid are used in the feed to breed cattle and sheep, the daily grain is 10% more than that of a control group, the feed is saved by 10%, the breeding profit is increased, meanwhile, the excrement quantities of cattle and sheep are reduced and can be reduced by 5% at most, and the pungent odor is weakened, so that the conditions that the utilization ratio of the feed is increased and the favorable environment-friendly effect is achieved are proved from the side view.

The invention discloses an environment-friendly carp feed without fish meal. Raw materials of the environment-friendly carp feed consist of the following components in parts by weight: 6-10 parts of fermented soybean meal, 5-10 parts of 46 percent of peeled soybean meal, 1-6 parts of broken blood cell meal, 5-10 parts of chicken meal, 3-5 parts of carp small peptides, 15-20 parts of 46 percent of cottonseed meal, 10-15 parts of rapeseed meal, 10-12 parts of flour, 5-10 parts of bran powder, 10-15 parts of full fat rice bran, 1-2 parts of soybean oil, 1-2 parts of lard oil, 2-3 parts of monocalcium phosphate, 1-2 parts of bentonite, 1-2 parts of zeolite powder, 0.2 part of choline chloride, 0.2 part of salt, 0.04 part of compound microbial ecological agent, 0.05 part of vitamin C, 0.01 part of allicin, 0.5 part of complex vitamins and 0.5 part of complex mineral salt. Leftover materials such as blood cell meal and the meat meal in slaughter houses are selected as raw materials for replacing fish meal, the raw materials are abundant in resources, the using amount of the fish meal is reduced through reasonable use, the feed is completely free of the fish meal, the raw materials of carp small peptides, chicken meal, fermented soybean meal and the like are cooperatively used, and the effect has no significant difference; the cost is reduced by 15 per cent, the output effect is unchanged, and the profit of farmers is increased.

The invention provides a high yield and high efficiency breeding method for farmed tilapia and litopenaeus vannamei. The method comprises the steps: cleaning and disinfecting a litopenaeus vannamei breeding pond; putting 10000-15000 of the litopenaeus vannamei seedlings per acre, adjusting the salinity of water before putting to be 5%-8 %, and not feeding the litopenaeus vannamei artificial feed; 15-20 days later, putting 3500-6500 of the farmed tilapia seedlings; feeding with tilapia perfect compound feed, and controlling the water quality; capturing the litopenaeus vannamei after breeding for 2-3 months, capturing the big and leaving the small, drying the pond after breeding for 4-5 months, and capturing the farmed tilapia and the rest of the litopenaeus vannamei. By adopting the method, the out-of-pond specification, yield, the survival rate and the like of the farmed tilapia are better than that of a traditional single mode, the use area of the pond is reduced, diseases are reduced, the costs are reduced, and the out-of-pond specification and quality of the products are improved, the economic performance is increased, the yield and efficiency are improved, and a positive effect for stabilizing the enthusiasm of farmers is exerted.

The invention discloses a functional feed capable of promoting growth of meat donkeys, as well as a preparation method and application of the functional feed. The functional feed consists of a raw material component A and a raw material component B in parts by weight, wherein the component A is feed raw materials and nutrient substances for feeds, and comprises 40-60 parts of corn, 20-40 parts ofsoybean meal, 5-10 parts of bran, 0.6-1.5 parts of dicalcium phosphate, 0.2-0.8 part of trace elements, 0.1-0.3 part of amino acids, 0.1-0.3 part of vitamins, 0.5-1.5 parts of table salt and 2-5 partsof zeolite powder; and the component B is Chinese herbal medicines, and comprises 2-4 parts of dried orange peel, 0.5-1.5 parts of bighead atractylodes rhizomes, 1-3 parts of haws, 2-4 parts of medicated leaven and 0.5-1.5 parts of areca seeds. The feed disclosed by the invention is rich in protein, calcium, phosphorus, vitamins, minerals and various Chinese herbal medicine ingredients, and has the effects of promoting digestion, stimulating the appetite, improving the kinetic energy of the intestine and the stomach of the meat donkeys, enhancing the immunity of organisms and promoting the absorption of nutrient substances. The meat donkeys fed to the feed are large in physique, high in growth rate, short in breeding cycle and good in meat quality. The feed is simple in preparation technology, easy to operate and control, convenient to use and notable in effects, and has good application prospects.

The invention discloses a fish feed for rice field fish culture. The fish feed comprises the following raw materials: bean pulp, cotton pulp, wormcast, cobalt blue pigments, microbial yeast, brewer's grains, table salt, lard oil, mint, 1-10mm ramie, 50% choline chloride, liquid vitamin C and a traditional Chinese medicine additive. The traditional Chinese medicine additive comprises the following raw materials: Chinese yarn, fresh ginger, isatis roots, endothelium corneum gigeriae galli, lysimachia christinae hance, chrysanthemum, honeysuckle, gallnuts, houttuynia cordata and oriental arborvitae. The fish feed disclosed by the invention has a same anti-disease effect on almost freshwater fishes, is balanced in nutrient and can be suitable for growing conditions of almost freshwater fishes; by adding the traditional Chinese medicine component additive, the fish feed improves the anti-disease ability of fishes, is safe and pollution-free and comprehensively increases the economical benefit of rice field cultivation; and in addition, the preparation method of the fish feed is simple, and large-scale production is conveniently realized.

The invention provides a traditional Chinese medicine dry powder for improving the immunity of piglets, comprising the following raw materials in parts by weight: 5-20 parts of astragalus, 3-12 parts of Codonopsis pilosula, 2-12 parts of angelica, 1-7 parts of tangerine peel and 2-10 parts of poria cocos The present invention also includes a preparation method of traditional Chinese medicine dry powder for improving piglet immunity. The composition of the invention is simple, the production cost is low, the digestive system of the piglet can be improved, and its immunity can be improved. The invention has no toxic and side effects, does not produce drug resistance, does not have drug residues, and is healthy and environmentally friendly; the preparation method of the invention is simple , can be widely used in production.

The invention discloses a simple fermentation production method for a lactobacillus preparation. The method comprises the following steps of: uniformly mixing and stirring 40-60 parts of water, 2-3 parts of wheat bran, 2-3 parts of brown sugar and 0.1-1.2 parts of lactobacillus preparation in parts by weight, so as to obtain a fermenting raw material of lactobacillus; and putting and sealing the fermenting raw material of the lactobacillus in a fermenting container so as to enable the fermenting raw material of the lactobacillus to be fermented, measuring the pH value of the fermenting raw material of the lactobacillus in each day until the pH value of the fermenting raw material of the lactobacillus is 3-4, and then finishing the process of fermentation production. According to the simple fermentation production method for the lactobacillus preparation, the method is simple and easy to operate, the lactobacillus with high purity can be generated after testing, the method is suitable for general household production, the cost spent on aquaculture can be effectively lowered, and the aquaculture profit is increased.

The invention discloses a fresh water ecological culturing method of penaeus vannamei. The method comprises the steps of pond processing, performing desalination on shrimp sprouts, performing feedingmanagement, performing culturing management, etc. The baits which are fed for culturing according to the invention comprise the following components: a ferment material which is composed of EM bacterium, milk powder and shrimp material for breakfasts and lunches in the early period in shrimp sprout inputting, a mixture which is obtained through mixing triturated steamed eggs and spirulina and theshrimp material for suppers, and a forge and ampullaria gigas which are fed every day in the middle and later days in culturing. The method according to the invention has advantages of improving survival rate of the shrimp sprouts after inputting, promoting growing speed of the shrimp sprouts through a reasonable feeding method and the baits, improving disease resistance and quality of the shrimps, realizing high culturing profit, promoting development of an aquatic product culturing industry, increasing economic benefit of farmers and realizing high popularization value.

The present invention provides an improved submerged pool heating aeration device. The device comprises: a tubular type hollow housing, wherein the housing comprises a water inlet portion, a pumping pressing portion and a water output guidance portion from top to bottom; a water inlet mechanism arranged at the water inlet portion and comprising an annular water inlet arranged above the tubular type hollow housing; a pumping pressing mechanism arranged at the pumping pressing portion; a water outlet guidance chamber arranged at the water outlet guidance portion and connected with the pumping pressing mechanism, wherein the water outlet guidance chamber comprises a plurality of arc guidance grooves; a plurality of guidance water outlet tubes having the same quantity as the arc guidance grooves and arranged at the external portion of the water outlet guidance chamber; a plurality of air water mixing chambers corresponding to the guidance water outlet tubes and arranged at the external portions of the guidance water outlet tubes, wherein the tube diameters of air water mixing chambers are larger than the tube diameters of the guidance water outlet tubes, the other ends of the air watermixing chambers are provided with an aeration water guidance tube having an outlet equipped with an air water jetting tube head; an air inlet tube having one end connected with the air water mixing chambers and having an upper end extruded out of the water surface; and a pedestal portion arranged below the tubular type hollow housing.

The invention discloses a cow concentrate supplement. The cow concentrate supplement comprises components in parts by mass as follows: 40-65 parts of extruded corn, 5-20 parts of extruded soybeans, 10-20 parts of wheat bran, 20-25 parts of germ cakes, 10-15 parts of bean curd residues, 5-10 parts of shrimp shells, 3-5 parts of red dates, 5-10 parts of tomato pomace, 0.1-0.3 part of vitamins, 0.01-0.05 part of potassium chloride, 0.3-0.8 part of sodium chloride, 0.5-2 parts of white granulated sugar, 0.5-1.5 parts of sodium bicarbonate, 0.01-0.05 part of bacillus natto, 0.1-0.5 part of a traditional Chinese medicine extract, 0.5-1.5 parts of calcium hydrogen phosphate and 0.5-1.5 parts of soybean oil. The cow concentrate supplement has good palatability, balanced nutrients, high disease resistance, reasonable matching of coarse and refined components, better milk producing function and low cost.

The invention relates to a biological membrane device for improving the water environment and lowering the bait cost of an aquaculture pond. The biological membrane device comprises a mounting rope, a connecting rope and plastic net slices, wherein a plurality of plastic net slices are connected to the mounting rope at intervals through the connecting rope; and copper wires are arranged on the left sides and the right sides of the lower end parts of the plastic net slices in a penetrating manner, so that the lower end parts of the plastic net slices are curled. The biological membrane device is simple in structure and is simple and easy to manufacture, and has the functions that the water environment of the aquaculture pond is improved effectively, the bait cost is lowered effectively, the aquaculture profits are increased, and the healthful aquaculture of giant freshwater prawns is promoted.

The invention discloses a high-yield ecological culturing method of high-quality macrobrachium rosenbergii. The method comprises the steps of pond processing, performing desalination on shrimp sprouts, performing feeding management, performing culturing management, etc. The baits which are fed for culturing according to the invention comprise the following components: a ferment material which is composed of EM bacterium, milk powder and shrimp material for breakfasts and lunches in the early period in shrimp sprout inputting, a mixture which is obtained through mixing triturated steamed eggs and spirulina and the shrimp material for suppers, and a forge and ampullaria gigas which are fed every day in the middle and later days in culturing. The method according to the invention has advantages of high survival rate, high yield, high quality, relatively short culturing period, etc. The method further has advantages of realizing substantial economic benefit, promoting development of an aquatic product breeding industry, increasing economic benefit of farmers and realizing high popularization value.

The present invention discloses a growth-promoting concentrated feed for fattening beef cattle. The growth-promoting concentrated feed comprises the following components in parts by mass: 40-65 partsof expanded corn, 5-20 parts of expanded soybean, 10-20 parts of wheat bran, 5-10 parts of tomato residues, 30-40 parts of cottonseed meal, 3-8 parts of distiller's grains, 1-3 parts of magnesium oxide, 0.1-0.3 part of vitamin, 0.01-0.05 part of potassium chloride, 0.3-0.8 part of sodium chloride, 0.5-2 parts of white granulated sugar, 0.5-1.5 parts of sodium bicarbonate, 0.01-0.05 part of bacillus natto, 0.1-0.5 part of a traditional Chinese medicinal extract, 0.5-1.5 parts of calcium hydrogen phosphate, and 0.5-1.5 parts of soybean oil. The concentrated feed for the beef cattle has rich mouthfeel, improves the appetite of the beef cattle, promotes the feeding of the beef cattle, is easy to absorb and rich in nutrients, accelerates the growth rate of the beef cattle, and can promote the growth and meat yield of the beef cattle.

The invention discloses a chicken feed additive. The additive comprises, by weight, 10 to 20 parts of hawthorn, 15 to 20 parts of licorice, 20 to 30 parts of purslane, 10 to 15 parts of honeysuckle, 10 to 15 parts of lotus plumule, 5 to 12 parts of Ligusticum wallichii, 5 to 10 parts of a nutritional agent, 0.1 to 0.5 part of a vitamin premix and 0.1 to 0.5 part of a trace element premix. The chicken feed additive can effectively prevent diseases of chickens and improves the laying rate of laying hens and increases the profits of chicken breeding on the premise that egg quality is ensured.

The invention belongs to a method and equipment for preparing low-moisture silage. The method comprises the following steps of: manufacturing a silage sealing container suitable for the volume of the use amount by using reinforced concrete according to the use amount of the low-moisture silage required by livestock everyday; manufacturing silage sealing containers, the number of which is the same to the cycle number, according to the preparation cycle number of the low-moisture silage; preparing main and auxiliary materials; preparing a mixed material; putting the mixed material in one silage sealing container; sealing the silage sealing container and vaccumizing to the pressure of 0-0.1 MPa; keeping the temperature in the sealing container at 25-30 DEG C; storing for 26-30 days in summer and autumn and 42-45 days in spring and winter; completely feeding the prepared low-moisture silage to the livestock; and taking the low-moisture silage and feeding the low-moisture silage in the same day. The method provided by the invention is simple and practical. The low-moisture silage can be prepared at low cost. The equipment has the advantages of being low in cost, easy for manufacture and low in cost and can solve the secondary fermentation problem. The equipment can be popularized and applied.

The invention relates to an intelligent breeding control system and method based on video identification. The room environment control of a farm and the behavior monitoring early warning of pigs are realized. Core component comprise a GPU server group module and a core control panel module. A high definition camera module is used to collect video information, after the GPU server group module identifies breeding room environment abnormality and pig abnormality, the GPU server group module automatically analyzes abnormal data and sends data to an STM32 to carry out alarming and intelligent control decision making, then the regulation is carried out through the data collection input of various sensors and the data output of a corresponding controller, and at the same time, controlled data is continuously sent to a data center to form a closed loop control circuit. Compared with the prior art, the intelligent breeding control system and method have the advantages of the real-time monitoring of pig physical conditions and farm environment conditions, fast adjustment and control, and low control cost.

The present invention relates to a participatory fish farm system and, more specifically, to the participatory fish farm system, by which an inexpert ordinary user can actively farm fish without spatial constraints through real-time control, mutual interchange with respect to a fish farm procedure is possible, and purchase of processed food of fish obtained by user's participating in fish farming is possible so that the participatory fish farm system can guarantee food safety, reduce the cost required for fish farming, and ensure a stable sales channel, and thus can increase profits.

The invention provides a low-cost and high-efficiency aristichthys nobilis pond culture method with plankton for feeding, which comprises the following steps: by adopting a pond main culture mode of aristichthys nobilis, intercepting a 1 / 3 water surface in the pond by using a net to specially serve as a breeding and culturing area of plankton, separating an aristichthys nobilis culture area from a plankton breeding area, and separating the aristichthys nobilis culture area from the plankton breeding area; the breeding capacity of the zooplanktons is greatly improved, the zooplanktons can continuously flow to the bighead carp breeding area through the meshes to be ingested by the bighead carps when reaching a certain density, organic fertilizer is frequently applied to the plankton breeding and culturing area, the quantity of the planktons is continuously bred to the maximum extent, and therefore the yield of the bighead carps is increased; the water quality is regulated and controlled through methods such as a microbial preparation and the like, so that space bacterial phase balance and excellent water quality for fish survival are ensured, fish diseases are reduced, meanwhile, water body exchange is reduced, water sources are saved, pollution emission and energy consumption are reduced, and the quality of commercial fish is improved.

The invention provides an auto-sexing breeding method of early-maturing excellent type yellow-shank partridge chickens. The method comprises the steps that a Qingyuan partridge chicken rapid-feathering line which grows fast in early stage, a Qingyuan partridge chicken slow-feathering line which has prominent reproductive performance and a Guangxi partridge chicken rapid-feathering line are adopted, the grandparent generation selects cocks and hens of the Qingyuan partridge chicken rapid-feathering line, the paternal line selects cocks of the Qingyuan partridge chicken slow-feathering line, and the maternal line selects hens of the Guangxi partridge chicken rapid-feathering line; the parent generation selects cocks of the Qingyuan partridge chicken slow-feathering line, and the female parent selects yellow-shank slow-feathering hens produced by hybridizing the cocks of the Qingyuan partridge chicken slow-feathering line with the hens of the Guangxi partridge chicken rapid-feathering line; for slow-type early-maturing excellent yellow-shank partridge chickens, the cocks are slow-feathering cocks, the hens are rapid-feathering hens, and autosexing is achieved according to the feathering speed. Compared with traditional Qingyuan partridge chickens, commercial generation autosexing according to the feathering speed is achieved, the market age of the hens is 10 days ahead of schedule, the egg laying performance of the parental generation can be improved by 15% or above, the feed conversion rate is decreased by 0.2, and the breeding profit is increased.

The invention relates to the technical field of biotechnology food, and particularly relates to a method for producing organic food by using biotechnology. The method comprises the following steps: designing the layout and shape of a rice field, and excavating trenches needed by fish and crabs; adding an anti-escape device for preventing the cultured fish and crabs from escaping, and preventing external organisms from entering at the same time; putting in cultured plants and organisms, planting rice seedlings first and then putting in fry and juvenile crabs for symbiotic growth; maintaining the normal growth of rice, the fry and the juvenile crabs, controlling the water quality for rice cultivation, and appropriately feeding bait to ensure the growth of the fish and shrimp at the same time; carrying out daily management on the rice field and monitoring the facility of the rice field; collecting the fish and crabs and harvesting the rice. According to the method for producing the organic food by using the biotechnology provided by the invention, organic fertilizer containingorganic matters and multiple nutrients such as nitrogen, phosphorus, potassium and calcium prepared by straw fermentation is used for the rice to develop and grow, and the method has excellent functions of improving the soil structure of the rice field, increasing soil trophism and the like.

The invention provides application of a morinda citrifolia fruit extract serving as a vibrio parahaemolyticus inhibitor, the vibrio parahaemolyticus inhibitor and a preparation method for the vibrio parahaemolyticus inhibitor. The preparation method for the vibrio parahaemolyticus inhibitor comprises the following steps: (a) mixing morinda citrifolia fruits with water and performing boiling, and then, carrying out solid-liquid separation to obtain separated liquid; and (b) concentrating the separated liquid to obtain the vibrio parahaemolyticus inhibitor. According to the preparation method, firstly, the morinda citrifolia fruits are mixed with water and boiling is performed for extracting, and then, concentration is performed to obtain an extracting solution, and as the vibrio parahaemolyticus inhibitor, the extracting solution can effectively inhibit vibrio parahaemolyticus; and moreover, the preparation method for the vibrio parahaemolyticus inhibitor is simple and is easy to implement, and only water extraction is needed, no organic solvent is needed, thus greatly reducing cost.

The invention relates to the technical field of cultivation equipment, in particular to a solar heating system used for a cultivation shed. The solar heating system used for the cultivation shed comprises a shed body provided with multiple rows of automatic cultivation mechanisms, a solar energy collecting and power supplying mechanism, a heater and a main controller, wherein the solar energy collecting and power supplying mechanism and the heater are matched with the shed body, and the main controller is electrically connected with the solar energy collecting and power supplying mechanism andthe heater; the solar energy collecting and power supplying mechanism comprises a solar energy collecting plate, a storage battery and an inverter, the solar energy collecting plate is arranged at the top of the shed body, and the storage battery and the inverter are arranged in the shed body. The cultivation shed can be heated through solar energy, cultivation cost is reduced, redundant solar energy can be provided for the cultivation mechanism of the cultivation shed, and the cultivation cost is reduced further. The cultivation mechanism is capable of fully using the cultivation space of the cultivation shed, increasing cultivation profit and automatically clearing faeces in the cultivation shed and feeding domestic animals, and improves cultivation efficiency.

The invention discloses an ecological culture method of metapenaeus ensis. The ecological culture method comprises the following steps of pretreatment of a culture pond, desalination of young metapenaeus ensis, feeding and water quality management. According to the ecological culture method of the metapenaeus ensis, desalination treatment is carried out on the young metapenaeus ensis, and therefore the metapenaeus ensis can better adapt to a fresh water environment; and meanwhile, the growth of the metapenaeus ensis is divided into three stages for feeding, the reasonable feeding method and feed can promote rapid growth of the young metapenaeus ensis and improve the disease resistance and quality of the metapenaeus ensis, the culture cost is obviously reduced compared with an existing method, the culture profit is remarkably increased, development of the aquaculture industry can be promoted, farmers are driven to become rich, and good economic benefits, social benefits and ecological benefits are achieved.