31 results about "Barbus" patented technology

The invention discloses a culture method of barbus capito. The method comprises the following steps that barbus capito in rivers, lakes, reservoirs and other natural water is selected, or artificially cultured adult barbus capito is selected as parent fishes; a culture pond, the parent fish stocking number, the stocking mode and the culture and feeding mode are selected, and management is enhanced; the parent fishes are subjected to artificial spawning induction; artificial fertilization is carried out; artificial incubation is carried out; fry rearing is carried out; fingerling culture is carried out. Culture and screening of the parent fishes, the odinagogue variety, the concentration ratio, the injection mode, incubation conditions and other conditions are optimized, and the spawning induction rate, fertilization rate and incubation rate of the cultured barbus capito all reach 90% or above.

The invention discloses a cultivation method of intercropping of barbus capito and loach. The cultivation method comprises the following steps of (1) preparing a pond; (2) stocking fingerling; (3) feeding feeds; (4) managing water quality; (5) carrying out disease control; (6) catching. The cultivation method adopts a cultivation mode of intercropping of the loach in a barbus capito pond, a polyculture mode is novel, the cultivation yield, specification and quality of the barbus capito cannot be influenced, a water body space is fully developed and utilized, the pond culture variety is increased, the loach can eat the residual feeds of the barbus capito, deterioration of water quality is prevented, the water body environment is improved, the market risk due to single cultivation of the barbus capito is effectively avoided, and the cultivation method has the advantages of high economic benefit, good ecological environment and important significance on promoting industrial development of the barbus capito.

The invention discloses a method for breeding barbus capito through a pond industrialized circulating water system. The method comprises the following steps of (1) preparing a pond breeding system, specifically, on one side of a pond of 100-200 mu (=0.0667 hectare), building a plurality of culture tanks 20 meters long and 5 meters wide, which occupy 3% of the total area; (2) stocking barbus capitofries in late March to early April at a stocking volume of 180-220 per volume, wherein the specification of the fries are 30/kg; (3) feeding the fries with expanded feed containing 28-30% of proteinthree times a day at a daily amount of 3-5% of the weight of the fries, and in high-temperature July and August, at a daily amount of 3-5% of the weight of the fries; (4) regulating water quality by controlling the pH of water in the pond to be 7.5-8.7, a visible depth of 30 cm and an oxygen dissolution rate of more than 5 mg/L; (5) performing disease control; (6) performing fishing. The method for breeding the barbus capito through the pond industrialized circulating water system combines water treatment and fish breeding, thereby being environmentally friendly, high in automation degree andconvenient to manage; the bred barbus capito has the advantages of being high in survival rate, rapid in growth, vigorous in health, high in disease resistance and stress resistance and fresh and delicious in meat.

The invention discloses a Barbus capito fry feed relating to a fish feed. The invention solves the problems of high breeding cost of Barbus capito fry fed by other fish feeds, slow Barbus capito fry weight increment and high death rate. The Barbus capito fry feed is composed of wheat short, bean pulp, fish meal, Subaokang, food meal, cottonseed meal, corn albumen powder, soybean oil, fish oil, multi-vitamin for fishes, composite trace element, choline, MgSO4.7H2O, Yiduo enzyme P8901 and sodium carboxymethylcellulose. The Barbus capito fry feed of the invention has low cost, satisfies the requirement on feeding Barbus capito fry feed, solves the problem existing in Barbus capito fry feed production, avoids the problems of high cost of other fish feeds, slow weight increment and high death rate, improves the growth speed and survival rate of the Barbus capito fry and accelerates the healthy growth of the Barbus capito fry.

The invention discloses a breeding method of barbus capito. The method comprises the following steps that A, a breeding pond is built and divided into the three breeding areas including the fry area,the small fish area and the large fish area through two fishing nets; B, fry are bred in the fry area, and fry feed is added to the fry area; C, the water temperature of the breeding pond is controlled, oxygen dissolution is conducted, feeding is conducted three times every day, the fish school is driven at regular time, the mobility of the fish school is improved, and the density of the fish school is controlled; D, harvesting is conducted when the weight of each fish reaches 650-750 g. By adopting the method, by enlarging the activity range and improving the physique of the fry, the survivalrate is guaranteed, by driving the fish school at regular time, the uniformity of the fish school in all the breeding areas is improved, the reasonable feed adding means is beneficial to dispersion of the fish school, most fry identical in specification can be gathered in any area through partition breeding, the feeding concentricity is guaranteed, and the feeding effect is improved.

The invention relates to a fingerling-preparing method for pure-line yellow barbus capito. The invention provides a breeding method for pure-line yellow barbus capito. The method comprises the following steps: firstly selecting wild silver gray barbus capito in a natural water area to be cultured till gonadal maturation; then performing cross breeding; and finally obtaining yellow barbus capito individuals. The method provided by the invention is applied to the field of fingerling preparation for barbus capito.

The invention discloses a composite feed improver for improving barbus capito meat quality and flavor and application of the composite feed improver. The improver comprises 1-5 parts by weight of eucommia ulmoides leaves (dry weight) and 1.5 parts by weight of a composite nutrient, wherein every 1500 parts by weight of the composite nutrient comprises the following components in parts by weight: 2.5 parts of vitamin A, 20 parts of vitamin E, 3.4 parts of folic acid, 60 parts of vitamin C, 40 parts of VB1, 40 parts of VB2, 200 parts of nicotinic acid, 38 parts of VB6, 0.032 part of VB12, 0.068 part of biotin, 640 parts of methionine, 56 parts of calcium pantothenate, 120 parts of potassium and 280 parts of chlorine.

The invention discloses an industrial culture method of barbus capito seedling, which comprises the following steps of: A, throwing fish fries, namely throwing fries of 2-3cm in size into a cement pond; B, feeding with microcapsule feed at time, and feeding rotten chicken manure once a week into the pond; C, dividing the pond, namely dividing the pond when the fries grow to 9-10cm, putting a halffries in the total amount of the fries into a new cement pond with the same specification, wherein the water quality of the new cement pond and the old cement pond is the same, and simultaneously sterilizing the old water pond by adopting quicklime; D, feeding in separate ponds at time after the ponds are divided, and driving fish flock after feeding for half an hour each time; E, finishing seedling raising when the fries grow to 15cm. The method has the advantages that the fish body constitution is improved through rotten chicken manure feeding, quicklime sterilizing and driving breeding, thehigh survival rate is ensured, the fast growth of the fish fries is ensured, the purpose of fine management is achieved, the controllability of the yield is ensured and the investment cost is reduced.

The invention relates to a method for improving the artificial breeding and fry emergence efficiency of barbus capito. The method aims at solving the problems that in the current artificial breeding process of the barbus capito, an artificial insemination method is adopted, the egg collecting time of female fish cannot be accurately judged, in the insemination method of sperms and eggs and running water hatching of fish eggs, disinfection is difficult to control, and saprolegnia easily grows. The method comprises the steps of determining the egg collecting time; carrying out insemination of the sperms and the eggs; and carrying out hatching of fertilized eggs. The method is used for improving the artificial breeding and fry emergence efficiency of the barbus capito.

The invention discloses a barbus capito artificial propagation method through static-water film stripping. The barbus capito artificial propagation method comprises the following steps of step I, culturing parent fish; step II, promoting the parent fish to delivery; step III, collecting fertilized eggs; and IV, performing static-water film stripping. 36 male parent fish and 36 female parent fish,which are 6 years old and consistent in body length and weight are selected, and are divided into 6 groups in the combination manner that one male parent fish corresponds to one female parent fish randomly, experiment is performed, observation is performed, and influence of various respects such as water temperature, water currents, dosage of medicines for promoting fish to delivery, feed proteinsand feeding rate on artificial propagation of barbus capito is researched, best and appropriate periods in the various respects are selected for propagating and breeding, and the difficult problem ofa propagation technique of the barbus capito is solved. The fecundity, the fertilization rate, and the hatching rate of the barbus capito and the survival rate of fish fries are greatly increased, sothat the fertilization rate can achieve 85%, and the hatching rate can achieve 75% or above; and besides, a static-water film stripping technique is adopted, so that films of fish eggs can be stripped once, the regularity can achieve 90%, the deformity rate is reduced by 80% or above compared with that by a conventional method, the problems of a barbus capito breeding key technology and fry supply of the barbus capito in China can be well solved, and the economic development of fishery in China can be promoted.

The invention discloses a fine culture pond for barbus capito. The fine culture pond for barbus capito comprises a fry culture pond and a fry screening pond placed below the fry culture pond, whereina water injection pump for injecting water into the fry culture pond is arranged on one side of the fry culture pond; a big fish culture pond of which the height is lower than that of the fry culturepond is arranged at the back of the fry culture pond; a base plate capable of being opened or closed is arranged at the bottom of the fry culture pond; a fish net is further arranged on the inner sideof the base plate of the fry culture pond; a detachable baffle plate is arranged at the back of the fry culture pond; and a discharge pump for discharging water inside the big fish culture pond is arranged on one side of the big fish culture pond. The height of the baffle plate is lower that that of the fry culture pond, and water inside the fry culture pond can overflow into the big fish culturepond. After the structure is used, classification screening can be carried out on fry, so that the controllability is improved, the growth rate is increased, the high survival rate is guaranteed, thepurpose of fine management is realized, the yield and quality are guaranteed, and the invested cost is reduced.

The invention discloses a method for treating postpartum barbus capitos. The method comprises the steps that postpartum barbus capitos are disinfected, after disinfection the postpartum barbus capitosare put into a holding pond for cultivation and conservation, then sick barbus capitos are separated and put into a care pond for cultivation, and antibiotic medicine is injected into the sick barbuscapitos, and finally disease-free barbus capitos are concentrated in a culture pond for postpartum strengthen cultivation. By means of the method, the morbidity and mortality of the postpartum barbuscapitos can be reduced, the continuous utilization of barbus capito parent fish is facilitated.

The invention discloses a high-yield aquaculture pond for barbus capito. The high-yield aquaculture pond for barbus capito comprises a first aquaculture pond, a second aquaculture pond and a third aquaculture pond which are arranged from front to back and from high to low in sequence; an inclined transition surface capable of being inclined towards the second aquaculture pond is arranged between the first aquaculture pond and the second aquaculture pond; an inclined transition surface capable of being inclined towards the third aquaculture pond is arranged between the second aquaculture pond and the third aquaculture pond; a water injection pump for injecting water into the first aquaculture pond is arranged on one side of the first aquaculture pond; and a discharge pump for discharging water inside the third aquaculture pond is arranged on one side of the third aquaculture pond. After the structure is used, on one hand, that produced fish bodies are healthy and energetic can be confirmed through free overthrowing capacity of the fish bodies, so that the yield and the quality of the fish bodies are improved, on the other hand, the physique of the fish bodies is improved through a dispelling manner, and the classification of the fish bodies is facilitated; moreover, through the design of the aquaculture pond, circulating water further can be formed, the activity of water is improved, and the survival rate is improved.

The invention discloses a barbus capito feed. The barbus capito feed is prepared from the raw materials in parts by weight: 95-125 parts of fish meals, 15-25 parts of meat meals, 80-110 parts of corngluten meals, 50-70 parts of sodium carboxymethylcellulose, 50-55 parts of peanut meals, 30-40 parts of rice bran, 100-200 parts of flour, 20-25 parts of calcium dihydro, 1-3 parts of salt, 25-35 parts of fish oil, 1-3 parts of choline, 8-12 parts of decavitamin and 5-15 parts of eucommia leaf extracts. After adopting the formula, due to reasonable selection of the various raw materials and matching of formula proportion, and bred barbus capito has the balanced nutrition and delicious meat; and in particular, the sodium carboxymethylcellulose, the corn gluten meals, the decavitamin and the eucommia leaf extracts with the appropriate proportion are added, therefore, the nutrition value is improved, the meat quality is good, the taste is delicious, the growth rate is high, the breeding cycleis greatly shortened, and the survival rate is very high, so that economic benefits are increased.

The invention discloses a barbus capito feed formula. The feed comprises the following raw materials in parts by weight: 25 to 35 parts of high quality fish meal, 65 to 75 parts of common fish meal, 25 to 35 parts of meat meal, 180 to 220 parts of rapeseed meal, 75 to 85 parts of cottonseed meal, 75 to 85 parts of peanut meal, 170 to 190 parts of soya bean meal, 90 to 110 parts of rice bran, 215 to 235 parts of flour, 15 to 25 parts of calcium dihydrogen phosphate, 1 to 3 parts of salt, 25 to 35 parts of fish oil, 1 to 3 parts of choline, 8 to 12 parts of premix, and 2 to 10 parts of radix astragali extract. Raw materials are reasonably selected, the ratio of raw materials is reasonably adjusted, the feed can provide balanced nutrients, and the meat of fishes fed by the provided feed is tender and delicious. The feed contains a radix astragali extract with a proper ratio, thus the feed can promote the growth of fishes and provide enough nutrients at the same time, the culture period is largely shortened, the immunity of barbus capito is strengthened, the survival rate is very high, moreover, the feed coefficient is reduced, the culture cost is saved, and the economic benefit is increased.

The invention discloses barbus tetrazona heat shock protein PtHsp70 and application thereof. The nucleotide sequence of the PtHsp70 gene is shown in a sequence table SEQ ID NO: 1. The complete codingsequence of barbus tetrazona PtHsp70 cDNA is cloned; the specific expression of PtHsp70 in different tissues is detected and analyzed by a qRT-PCR technology; PtHsp70 is found to be expressed in a large amount under a low temperature condition, and can resist the harm of low temperature to a barbus tetrazona cub, and the protein is also expressed in a large amount under the condition of water bodyeutrophication, and can be used as a dual molecular marker for water body low-temperature stress and water body eutrophication.

The invention belongs to the technical field of aquaculture, and relates to an artificial breeding method for yellow barbus capito. The method aims at solving the problems that no artificial breeding technology suitable for the yellow barbus capito exists at present, and the artificial induced spawning rate, the fertilization rate and the fry survival rate are low. The breeding process comprises five links of parent fish rearing, parent fish spawning induction, natural spawning and fertilization, fertilized ovum circular loop incubation and fry rearing. Through single culture and supplementing water earthworm animal bait, parent fish gonad maturation is strengthened; the dosage of the artificial spawning induction medicine suitable for natural spawning of the parent fish is optimized; the natural spawning rate of the parent fish is increased by utilizing loop water flow stimulation; the flow rate of water flow in a loop and the using time of outer circulation and inner circulation are adjusted, and the hatching rate reaches 72.12%; and by adopting a feeding strategy of controlling dissolved oxygen, bacillus and photosynthetic bacteria in an evaporation pond to adjust water quality and gradually transitioning from natural bait to artificial bait, the survival rate of the fry in the pond reaches 65.33%.

The invention discloses an anti-season cultivation method for siniperca chuatsi by taking a barbus capito as a forage fish. Fish fries are added according to different time and density to culture thebarbus capito so as to solve a problem of shortage in the forage fish at a low temperature and during an overwintering stage in siniperca chuatsi cultivation. The anti-season cultivation method for the siniperca chuatsi by taking the barbus capito as the forage fish enriches a forage fish category and avoids a risk that the forage fish carries viruses, the problems that cirrhinus molitorella can not survive in the later stage of siniperca chuatsi cultivation and the forage fishes are insufficient in winter in northern areas can be solved, anti-season cultivation can be realized, forage fish cost and a cultivation risk are lowered, and the economic benefit of siniperca chuatsi cultivation is obviously improved.

The invention discloses a high-yield breeding method a barbus capito, which comprises the following steps of: A, establishing three integrated culture ponds which are sequentially arranged from top tobottom, wherein sections of inclined transition surface are arranged between each culture pond, and water flows through the inclined transition surface; B, stocking fries in the last culture pond andthrowing fry feed, regularly driving the fries to enable part of the fries to overturn the inclined transition surface to enter the last culture pond along with the growth of the fries, throwing small fish feed in the middle culture pond, and throwing large fish feed in the first culture pond; C, controlling the water temperature of the culture ponds, dissolving oxygen and feeding every day; D, harvesting and throwing the fries. The method has the advantages that the produced fish body is determined to be healthy and active through the free overturn capability of the fish body, so that the yield and the quality of the fish body are improved, the physique of the fish body is increased through the driving mode, the classification of the fish body is facilitated, and circulating water can beformed to increase the water activity and improve the survival rate.

The invention discloses a classified aquaculture pond for barbus capito. The classified aquaculture pond for barbus capito comprises three aquaculture ponds arranged from front to back and from high to low in sequence; the middle and lower part of each aquaculture pond is provided with a partition plate respectively, a front fish blocking net capable of enabling fry to pass through is installed atthe upper part of each partition plate; a water injection pump for injecting water into the first aquaculture pond is arranged on one side of the first aquaculture pond; and a discharge pump for discharging water inside the third aquaculture pond is arranged on one side of the third aquaculture pond. After the structure is used, distinguishing classified aquaculture is realized preferably, the controllability of aquaculture is improved, the fry cannot be returned back to an original aquaculture pond in opposite direction through the arrangement manner of sequential arrangement from high to low, the classification accuracy is guaranteed, the controllability is further improved, the physique of fish bodies is increased in a dispelling mode, and the classification of fish bodies is facilitated; moreover, through the design of the aquaculture pond, circulating water further can be formed, the activity of water is improved, and the survival rate is improved.

The invention discloses a high-density barbus capito breeding method which comprises the following steps: A, selecting fries; B, selecting a breeding trough which is 20-22m long, 4-6m wide and 1.3-1.7m deep, placing an aeration pump for aerating the breeding trough on one side of the breeding trough, placing a fish baffle net at the top end of the breeding trough, forming a water inlet in one side of the breeding trough in a width direction, and forming a sewage hole in another side of the breeding trough; C, putting 22-27 fish fries into every cubic meter of a water body; D, performing breeding management, controlling the water temperature of the breeding trough to be 20-28 DEG C and the dissolved oxygen to be 3-5mg/L, supplying protein feed three times a day, and performing sampling detection to confirm the weights of fishes in different periods, wherein the feed accounts for 3-5% of the total weight of the fishes every day; and E, harvesting fishes. By adopting the method, water has good flowability in the breeding process, growth of barbus capito is met, sewage is conveniently discharged, reasonable density is beneficial to rapid growth of the barbus capito, particularly through sampling detection, optimal feeding conditions are made to meet growth demands of the barbus capito in different periods, and thus the yield is further increased.

The invention discloses a method for fishing, temporary rearing and long-distance transportation of larva fishes of barbus capito. The invention relates to an operation method for fishing, temporary rearing and long-distance transportation of larva fishes in the breeding process, and aims to solve the problems that a method for fishing, temporary rearing and long-distance transportation of larva fishes of barbus capito takes great time and labor and the larva fish survival rate is low. The method for fishing, temporary rearing and long-distance transportation comprises the following steps: I,preparing an indoor larva fish temporary rearing pond and an opened living fish transportation vehicle, respectively arranging net cages in the indoor larva fish temporary rearing pond and the openedliving fish transportation vehicle, and placing oxygenation nano discs at bottoms of the net cages; II, fishing up larva fishes, transporting the larva fishes by using the transportation vehicle, andtransferring the larva fishes with water into the indoor larva fish temporary rearing pond; III, putting the larva fishes into the indoor larva fish temporary rearing pond, adding flowing water to stimulate the larva fishes, and at the same time opening an oxygenation valve to introduce oxygen; and IV, sub-packaging the larva fishes by using oxygenation nylon bags, putting the oxygenation nylon bags into heat-preservation foam boxes, and performing long-distance transportation. By adopting the method, the net pulling build-up process before fishing and net pulling can be avoided, one-time direct net fishing is performed instead, and through a temperature control procedure, the survival rate of the larva fishes can be increased.

The invention discloses an industrialized culturing method for barbus capito offspring seeds. The industrialized culturing method includes the steps of A, putting in barbus capito fries: putting the barbus capito fries which are 2-3cm in size into a cement pond; B, adopting microencapsulated feed to feed the barbus capito fries, and feeding in several times; C, separating the barbus capito fries in different ponds: when the barbus capito fries grow to 9-10cm in size, putting half of the total barbus capito fries into a new cement pond which is as same as the used pond in specifications and water quality; D, feeding the barbus capito fries in different ponds: after the barbus capito fries are separated, selecting the feed 1-2mm in grain size, and feeding in several times; E, when the barbus capito fries grow to 15cm in size, finishing culturing. The industrialized culturing method for the barbus capito offspring seeds has the advantages that corresponding feeding conditions can be provided for the barbus capito fries according to specific growing conditions in different stages of the barbus capito fries, quick growing of the barbus capito fries is guaranteed, the purpose for refined management is realized, survival rate can be increased, controllability of output can be guaranteed, and investment cost can be reduced.