107 results about "Sea bass" patented technology

A fish allogenous frozen-sperm induced gynogenesis method comprises a frozen storage method of the allogenous fish sperm, a genetic inactivation method, an induced method for the gynogenesis diploid fry and an identification method for the gynogenesis fry. The present invention establishes the method adopting the frozen-sperm of the sea bass to induce the egg gynogenesis of a plurality of sea fishes for the first time, which selects the cold-shock starting time, cold-shock temperature and the cold-shock durance time that are separately suitable for fish eggs of the strip-spotted flounder, the turbot and the canine-tooth paralichthys olivaceus to establish a micro-satellite marking identification method of the gynogenesis fry. The percentage rate adopting the present invention to acquire the gynogenesis fry of the strip-spotted flounder, the turbot and the canine-tooth paralichthys olivaceus is 7.8 percentages to 40.7 percentages, 26 percentages to 34 percentages and 10 percentages to 25 percentages respectively. The established method of the present invention is characterized in advancing, high efficiency, accuracy and reliability, which has an important application value in fish gender controlling and the production of the all-female fries and has a broad popularization and application prospect on fish cultivation and fish breeding.

A composition is for feeding aquacultural prey organisms such as Artemia and rotifiers, comprising a lipid component comprising at least 25 wt % of phospholipids and providing a DHA content of at least 30 wt %. The lipid component is preferably derived from marine organisms such as fishineal, phytoplankton or zoo plankton biomass. The composition is used for providing prey organisms having a high content of highly-unsaturated fatty acids (HUFAs) suitable for aquaculture of fish including halibut, turbot, bass and crustaceans and molluses.

The invention discloses a mixed feed for sea-bass fish and a preparation method thereof. The mixed feed is made from the following raw materials in parts by weight: 35 to 45 of insect powders, 20 to 30 of a compound fermented material, 0.5 to 1 of fish oil, 10 to 20 of flour, 1.5 of calcium dihydrogen phosphate, 2 of a vitamin-mineral salt mixture, and 0.5 of choline chloride, wherein the compound fermented material is a fermented product of castor cake, rape cake and cotton cake with compound dry microbial inocula. The mixed feed is prepared by the steps as follows: mixing castor cake, rape cake and cotton cake according to a weight ratio of 1:1:1, and adding the compound dry microbial inocula composed of at least two of lactic acid bacteria, saccharomycetes, bacillus and geotrichum candidumlink strain for fermentation 2-24h, wherein the additive amount of the compound dry microbial inocula is 1% of the total weight of the fermentation raw material; and thoroughly mixing the raw materials, compounding, pelletizing and oven-drying to obtain the final product. The preparation method is simple and low in cost. The mixed feed for sea-bass fish is good in palatability and nutrition and can enhance disease resistance and stress resistance of sea-bass fish.

The invention discloses a method for incubating largemouth basses ahead of time. By using the method, the largemouth basses are bred in a greenhouse, sexual maturity is achieved ahead of time, and the largemouth basses are bred artificially. The method comprises the following steps of selecting largemouth basses with the weight of 0.5-0.8 kilogram in the middle ten days of the October and breeding the largemouth basses in the greenhouse in cold days; controlling the temperature of water from the middle ten days of the October, controlling the temperature of the water in the January to be in a range of 11-13 DEG C, then gradually raising the temperature of the water, and raising the temperature of the water to be in a range of 20-22 DEG C in middle ten days of the March; anatomically observing the condition of sexual maturity of parent basses; injecting oxytocin to the parent basses at the beginning of the April, and enabling the parent basses to lay eggs in a plastic-covered tunnel with palm sheets; and placing the palm sheets with germ cells in an indoor incubation pond and incubating the germ cells. By using the method, 1281 fries with the total length of 3.5 millimeters are obtained. At the present stage, largemouth basses cannot be artificially incubated in the northern China, and particularly, the largemouth basses cannot be incubated in the April of the northern China. The largemouth basses fries can be obtained ahead of time for 40 days. The growing period of the fries in the current year is prolonged for 40 days.

The invention relates to a special feed additive for bass and a preparation method of the feed additive. The feed additive is prepared from the following raw materials by weight parts: 10-20 parts of folium ginkgo, 1-3 parts of artemisia apiacea, 2-4 parts of radix isatidis, 1-4 parts of folium isatidis, 0.5-1 part of radix stemonae, 5-7 parts of purslane, 5-7 parts of fresh herba houttuyniae, 5-7 parts of apricot kernels, 1-5 parts of montmorillonite, 7-10 parts of pine needle meal, 3-5 parts of maca powder, 20-30 parts of fresh earthworms and 0.2-0.5 part of sumac fruit oil. The feed additive has positive meaning on concentrated and high-density breeding of the bass, especially the problems of water body pollution and relatively poor bass flavor caused by feed deposition in feeding of a conventional granulated feed can be solved, the disease resistance of the bass can be improved, the bass growth can be promoted, the survival rate of bass breeding is greatly increased, and the economic income of bass breeders is remarkably improved.

The invention discloses a combined method for breeding weever in a runway and intercropping crayfish in a paddy field. The method of breeding the weever in the runway and a method of breeding the crayfish in the paddy field are combined. After residual feeds and excrement of the weever in the breeding runway are centralizedly absorbed, the residual feeds and excrement are drained into the paddy field for intercropping the crayfish through pipelines, so that the crayfish takes the residual feeds, the paddy field absorbs the excrement, and the water quality is purified. Besides, the water body rich in nutritive matter like nitrogen and phosphorus is drained out of the runway, and is pumped into paddy field ditches and the paddy field through a waterwheel aerator, so that aquatic plants and rice in the paddy field ditches absorb the nutritive matter like nitrogen and phosphorous in the water body and purify the water quality. Through the combination, the water body of the paddy field becomes flowing water, the growth of the crayfish is facilitated, the waste in the breeding runway is turned into things of value, the water body of a purification area outside the runway is also fully utilized, and zero-drainage of breeding wastewater is achieved; meanwhile, land is fully utilized, and the maximal yield is achieved. It can be achieved that the annual yield of 50 mu of land is 473 Kgof rice, 229 Kg of crayfish and 51,838 Kg of the weever, and the average benefit per mu reaches 8,810 RMB.

The invention provides an artificial sea bass breeding method suitable for river mouth areas. According to the method, the artificial sea bass breeding suitable for the river mouth areas is realized by virtue of the steps of parent sea bass selection and domestication, parent fish reproduction, fertilized ovum incubation, indoor fry cultivation, outdoor fry cultivation, fry screening and fry taking-out. The method is used for solving the key problems such as parent sea bass selection standards and domestication environment condition requirements, artificial parent fish ripening and spawning induction methods, artificial fertilization method, fertilized ovum incubation condition requirements, fry cultivation condition requirements, indoor and outdoor fry cultivation and bait transformation; the survival rate of sea bass fry stocking and the breeding efficiency can be remarkably improved; in short, the method is significant for the healthy development of the sea bass breeding industry in the river mouth areas of Pearl River Delta.

The invention relates to a compound preparation for controlling the diseases of aquaculture fish, and especially relates to a compound preparation for controlling the bacillary enteritis of young sea bass. The compound preparation comprises 10-20wt% of garlicin, 10-20wt% of colistin sulfate, 10-15wt% of Isatis Root, 10-20wt% of Radix Scutellariae, 10-20wt% of honeysuckle flower, 10-15wt% of licorice root and 10-15wt% of Chinese angelica. The compound preparation can substantially inhibit the growth of pathogenic bacteria comprising Escherichia coli, Aeromonas hydrophila and the like in the intestinal tract of young sea bass, can enhance the body immunity of the young sea bass, effectively prevents and treats the bacillary enteritis of the young sea bass, and improves the survival rate of the young sea bass to above 70%. The compound preparation has the advantages of stable sources and low prices of raw materials, simple production technology, wide application prospect, and easy industrialized production.

The invention relates to a full-season artificial breeding method of largemouth bass. The method includes the steps of selection and stocking of bass parents, low-temperature stimulation, parent fishintensive cultivation, temperature rise stimulation of gonad development, hormone injection, fry production and the like. The method carries out artificial breeding of largemouth bass in non-breedingseason under the condition of artificial control for the first time, breaks through the limitation that the bass can only be bred in spring in the past, realizes full-season breeding of the largemouthbass; the method can control the fry production and the fish market time of the largemouth bass, and solves the problems of market dyspepsia, low selling price and the like caused by centralized listing; and the method breaks through seasonal and temperature restrictions, provides large-size fries in the breeding season, shortens the breeding and pond storage time of the largemouth bass, and solves the problem that the old fish stored in ponds for a long time is easy to suffer from diseases.

The invention provides a Micropterus salmonides aquaculture system and aquaculture method. The system comprises a pond, a sewage collection well and a water circulation device; the bottom of the pondis connected with the sewage collection well through a sewage discharging pipe; the sewage collection well is composed of a main well and an auxiliary well; the auxiliary well is located at one side of the main well; the bottom of the auxiliary well is provided with a drain pipe; an isolation filter layer is arranged on the top of the main well; a manure outlet is arranged at the bottom of the main well; the manure outlet is connected with the auxiliary well through a manure outgoing pipe; the tail end of the manure outgoing pipe is higher than the manure outlet at the bottom of the main well;the outlet end of the sewage discharging pipe is connected with a gas exhaust pipe and an auxiliary water outgoing pipe, wherein the gas exhaust pipe and the auxiliary water outgoing pipe have upwards-facing openings; the air exhaust opening of the air exhaust pipe is higher than the isolation filter layer; one side of the lower end portion of the gas exhaust pipe is connected with a main water outgoing pipe; the auxiliary water outgoing pipe is communicated with the auxiliary well; a long pipe is inserted into the opening of the auxiliary water outgoing pipe; the water circulation device includes a pond water pipe, a sewage collection well water pump, a sewage collection well water pipe, a circulating water pump, a microbial treatment tank, and a return pipe; water in the pond and the sewage collection well is pumped to the microbial treatment tank; the water is treated; the treated water is returned to the pond; and therefore, the problem of the discharge of aquaculture wastewater can be solved.

The invention discloses a method for processing half-dried sea bass conditioning food. The method comprises the following steps: (1) pretreating; (2) slightly pickling; (3) preparing a seasoning liquid; (4) conditioning the taste; and (5) drying and packaging. The half-dried sea bass conditioning food processed by using the method is good in taste, compact in meat structure, free of fishy smell, rich in tea fragrance flavor and can be preserved for more than half a year at a low temperature.

The invention discloses an artificial-inducing mixing agent and artificial breeding method for largemouth bass, and belongs to the technical field of aquatic animal breeding. The provided mixing agentincludes chorionic gonadotropin, luteinizing hormone releasing hormone analogue No.2 and DOM. Through the adoption of the mixing agent to artificially breed largemouth bass, bred females can have high brood amount, high egg maturity can be achieved, fertilization rate and hatchability can be significantly increased, the breeding efficiency of the largemouth bass can be effectively enhanced, and time can be saved.

The invention provides a long-distance transport method for live sea bass. The long-distance transport method has the advantages that the long-distance transport method includes steps of pre-harvesting feeding control, pre-transport preparation, harvesting treatment, anesthetic treatment, transport management and post-transport treatment, accordingly, commercial transport can be carried out on thelive sea bass, the problems of intense stress response of sea bass in harvesting and live sea bass transport procedures, vulnerability to injury and low transport survival rate can be solved, the transport density of live sea bass can be obviously increased, the transport survival rate of the live sea bass can be effectively controlled, and the commercial transport stability can be guaranteed; the long-distance transport method is high in operability and has important significance in promoting healthy development of the sea bass industry in the Pearl River Delta, and the market economic valueof sea bass can be obviously increased.

The invention discloses a method of applying an X-ray to sterilize and preserve bass slices and an application thereof, belonging to the technical field of food preservation. The method comprises the following steps: a), removing the head and the internal organs of a bass, and then cutting the bass into slices; and b), carrying out an X-ray treatment to on the slices, wherein the irradiation dose is 1-.5-3.0 kGy. The technical scheme of the invention has the advantages as follows: 1, the X-ray sterilization effect is completethorough; 2, original flavor and ingredients of the food can be kept; 3, the method is sanitary and safety with no residues and or artificial radioactivity; 4, the X-ray is generated by bombarding a heavy-metal target through high-speed electrons generated by an electron accelerator, has the characteristics of good accelerator controllability and no radioactive source; and 5, a synthetic preservation treatment is carried out to on the slices, so that preservation time is increased.

The invention provides an anti-wrinkle essence liquid, which is prepared from the following raw materials in parts by weight: sea bass collagen peptide 50-70 parts, modified collagen 35-45 parts, tremella fuciformis polysaccharide 20-35 parts, aloe polysaccharide 40-60 parts, honey 10-22 parts, traditional Chinese medicine anti-wrinkle liquid 5-15 part, antioxidant 1-5 parts, ultraviolet absorbent10-25 parts, butanediol 1-2 parts, polyethylene glycol 400 1-5 parts, glycerol 2-7 parts, vegetable essential oil 5-10 parts, EDTA.2 Na 0.1-1 part, bis (hydroxymethyl) imidazolidinyl urea 1-2 parts,emulsifier 2-4 parts, and deionized water 100-120 parts. The added components are pure natural and no stimulation, reduce the addition of a large number of synthetic compounds, do not contain heavy metals, anti-wrinkle, obvious and lasting wrinkle-removing effect, harmless to skin, wide source of raw materials, low cost and wide application.

The invention discloses a low-cost propagation method of bass. The method comprises steps as follows: parent bass culture, parent bass selection, artificial spawning induction and fry hatching. Compared with the prior art, the method has the advantages as follows: at the intensified culture stage of parent bass, male and female parents of the bass are cultured respectively, different management is performed according to physiological characteristics of the male and female parents, so that the sexual maturity period of the parents is advanced, the gonad index of male bass is optimized, the ovum quality and the ovulation amount are increased, the fertilization rate and the hatching rate are increased, the labor intensity and the propagation cost for artificial propagation are reduced, and large-scale popularization of artificial propagation of the bass is facilitated.

The invention discloses a micropterus salmoides fingerling out-of-season cultivation method which comprises the following steps: S1, pond preparation: the area of a pond is 5-8 mu and after pond wateris drained, the thickness of sludge in the pond is kept at 8-12 cm, about 5-15 cm of accumulated water is left in the pond, quick lime is used for cleaning the pond at 100-150 Kg/mu, and after 7-14 days, water is injected into the pond, the water injection depth is 0.8-1.8 m, and a net cage is arranged in the pond. The micropterus salmoides SHUIHUA in autumn are cultured through the net cages, and the survival rate of the SHUIHUA can be effectively increased; secondly, the bait utilization rate can be increased through cultivation in a cement pond, and the fry physique is effectively enhanced; finally, proper growth temperature is provided for the fish fries in winter through a greenhouse and a boiler temperature control technology, and therefore it is guaranteed that the fish fries are kept in a rapid growth state all the time to be cultured into large-size fish fries. The micropterus salmoides large-size fingerling out-of-season breeding technology provides technical support for production of micropterus salmoides large-size fingerlings, and meanwhile has great significance in promoting transformation and upgrading of micropterus salmoides breeding modes in northern areas.

A fishing lure for use in fishing for wide mouth bass and similar species of fish. The fishing lure comprises a tadpole shaped lure having each of a predetermined color and a predetermined length and formed of a predetermined material. There is an extended tail member disposed on a back portion of the tadpole shaped fishing lure. At least one hook extends downward from a predetermined portion of the tadpole shaped lure. Such at least one hook is for lodging itself in a fish when such fish bites on the tadpole shaped lure. There is, further, a circular attachment disposed on a front portion of the tadpole shaped lure for attaching such tadpole shaped lure to a fishing line.

The invention discloses a tube feeding clinical nourishment with a blood fat reducing effect. The tube feeding clinical nourishment comprises the following raw materials in parts by weight: 2,000 to 4,000 parts of puffed powder, 500 to 2,000 parts of soybean separation protein, 1,000 to 3,000 parts of maltodextrin, 1,000 to 2,000 parts of milk powder, 500 to 2,000 parts of resistant starch, 100 to 500 parts of black rice bran, 200 to 500 parts of inulin, 200 to 500 parts of polydextrose, 100 to 200 parts of sea bass blood fat-reducing active peptide and 7 to 14 parts of taurine. The invention also discloses a preparation method for the tube feeding clinical nourishment with the blood fat reducing effect. The tube feeding clinical nourishment meets the requirement on tube feeding food, has a blood fat reducing effect, can be used for performing nutritional intervention on severe hyperlipidemia patients; the tube feeding clinical nourishment is rich in nutrition, natural and safe.

The invention relates to a feed additive for improving the sea bass liver mitochondria function under high fat stress, a preparation method and application thereof, and a sea bass feed, and belongs tothe field of feeds. Each 100 parts by weight of the feed additive comprises 10-20 parts by weight of Chinese tallow bark extract, 10-20 parts by weight of ampelopsis grossedentata extract, 5-15 partsby weight of silymarin, 8-16 parts by weight of bamboo fungus polysaccharide chelated zinc, 6-12 parts by weight of methionine chelated iron, 4-8 parts by weight of biotin and the balance of carrier.The feed additive not only can improve the generation of sea bass mitochondria, promote the regeneration of mitochondria and enhance the respiratory chain activity of mitochondria, but also can improve the antioxidant capacity of liver mitochondria and reduce the oxidative damage of mitochondria, and has the effect of reducing blood fat. The preparation method is simple. The feed has good stability and good application prospect. When applied to the preparation of the sea bass feed, the feed additive can improve the sea bass liver mitochondria function under high fat stress.

The invention provides a long-distance transportation method applicable to live sea bass. The method comprises the following steps: selection and pretreatment of sea bass; arching of the sea bass: a step of providing an arching device which comprises a fish body belt and a fishtail belt that are intersected and fixed together, allowing the fishtail belt to wind around the fishtail of the sea bass for one circle and then to be fixed at the fishtail part and enabling one end of the fish body belt to pass through the mouth and the lower edge of the operculum of the sea bass and then to be fixed with the other end, thereby enabling the sea bass to be arched; encasement; and transportation. According to the invention, no drug is used, and only physical control means are adopted; the sea bass is arched by using the arching device and the gills of the sea bass are exposed to water, so the sea bass is forced to expose the respiratory organ; meanwhile, movement of the arched sea bass is limited, so mutual damage of the sea bass caused by leaping of the sea bass can be prevented and oxygen consumption of the sea bass is reduced; high-density transportation can be realized; and a high survival rate is obtained. The method is simple to operate, is natural and environment-friendly and can realize commercial transportation of live sea bass, so marketing channels of sea bass are broadened; the commodity value of sea bass is improved; and sound development of the whole sea bass aquaculture industry is promoted.