CN104082194B - A kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis - Google Patents
A kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis Download PDFInfo
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Abstract
The invention discloses a kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis, the method of the present invention not only makes Misgurni anguillicaudati survival rate of seedling reach about 30%, but also add Misgurni anguillicaudati body constitution in seedling stage, improve premunition, accelerate the speed of growth, remarkable in economical benefits improves, and provides the seedling supply of abundance for big face development Misgurni anguillicaudati artificial cultivation.
Description
Technical field
The invention mainly relates to cultivation field, particularly relate to a kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis.
Background technology
Misgurni anguillicaudati artificial propagation, seedlings cultivating survival rate is at a fairly low, become the bottleneck of large area artificial cultivation, we are through repetition test for many years, explore " two step flow processs " Misgurni anguillicaudati seedlings cultivating method, Misgurni anguillicaudati survival rate of seedling is not only made to reach 30%, but also add Misgurni anguillicaudati body constitution in seedling stage, improve premunition, accelerate the speed of growth, remarkable in economical benefits improves, and provides the seedling supply of abundance for big face development Misgurni anguillicaudati artificial cultivation, and current technique is fully verified in Ye Ji trial zone and periphery counties and districts loach breeding family.
Summary of the invention
The object of the invention is just to provide a kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis.
The present invention is achieved by the following technical solutions:
A kind of seedlings cultivating method of two step flow process Misgurni anguillicaudatis, comprises the following steps:
One, convenient controlled miniflow ability of swimming Misgurni anguillicaudati hatching method:
(1), hatchery is built
Hatchery requires: long 5-7 rice, wide 1-1.5 rice, high 0.5-0.8 rice, one end at the bottom of pond is provided with discharge outlet, and the other end is arranged above with feed cock, the most smooth at the bottom of pond, and pool wall requires more smooth；
(2), incubator makes
Being welded into cuboid framework with round steel, do stull in the welding of base of frame round steel, round steel is outside all to be encased with insulating tape, with polyethylene screen cloth, the surrounding in addition to surface and bottom is sealed, and strains；
(3), hatching water quality requirement
Spawning water wants twice precipitation, and way is as follows:
For the first time will storehouse, the pool or urban river water suction the first sedimentation tank, the first described sedimentation tank is the little shape pond that can hold 1 kilostere；Second sedimentation tank is built in higher than neighbouring place, 1 meter, hatchery, and the second described sedimentation tank is for can hold 150m3The cement pit of water, one jiao of cement pit is provided with gravity flow inlet channel and a PVC pipeline, described PVC pipeline is used for later rinse water mud sump, arrange and can empty whole water, gravity flow inlet channel is located at higher than cement bottom layer 3-4cm, it is connected with hatchery faucet, in case later stage hatching and miniflow water use；
(4), water treatment
By water suction the first sedimentation tank, self-purification 4-5 days, then first precipitation water suction the second sedimentation tank is reached 130-140m3After, with water purification peptide bacterium, package insert usage amount is pressed in medication metering increases 15-20%, uniformly splashes, within after medication 22-25 hour, i.e. can be used as Spawning water；
(5), hatchery water level requires:
1. the hatchery depth of water requires high at 0.3-0.5 rice；
2. incubator being inserted in hatchery, incubator brick props up high 0.1-0.15 rice；
(6) quantity of, input kind loach and technical finesse:
The maternal individuality using 10-20 bar/kg, and bosom ovum feature is obvious；The sexual maturity of public this use 15-20 bar/kg blue or green loach substantially and more than two ages, the maternal 250-350 tail of the medicament that has been injected into hastening parturition is put in each hatchery, public this 500-700 tail, this loach public requires when afternoon 15 on the same day to complete when-17 injection and hastens parturition medicament, putting into hatchery when 17, all kinds of loach are rinsed once with clear water before putting into hatchery；
(7), miniflow water and the technical finesse of oxygen supplement:
1. after kind of a loach puts into hatchery two hours, opening the artesian water tap linked with the second sedimentation tank, tap is connected to a flexible pipe communicated with hatchery, flexible pipe is placed in 10cm in the water body of hatchery, makes water level be maintained at 4cm, keeps fine bourn amount 0.3m3/ hour；
2. oxygen supplement
The oxygen supplement aerator of capacity 40L/min, each hatchery puts two oxygen supplement heads, and 24 hours do not stop oxygen supplement；
3. mating time plants a loach time with rising
Depending on mate and oviposit and kind of a loach time are according to water temperature, during during general the next morning 10 or afternoon 15, water temperature, between 20-32 DEG C, plays kind of loach when the morning 10；Water temperature between 18-25 DEG C, rise kind of loach in the afternoon 15 time, then remove kind of a loach, separately deal with, incubator is lifted into next hatchery, carry out next step operation；
4. the miniflow water retention stream time
The miniflow water retention stream time, carrying away hatchery Time Calculation from kind of a loach, keep water level at 30cm, 5-8 hour to be kept of miniflow water, according to the concentration adjustment of water quality in hatchery；
5. the hatching of ovum grain
In the case of above-mentioned, ovum grain is basic in hatchery to be spread uniformly, will not pile up, and membrane speed is relevant with water temperature, and water temperature is when 25 DEG C, and ovum grain 32 hours can membrane；
(8), oxygen supplement rule, seedling opening, the lifting time
1., in the case of water temperature 25 DEG C, after 32 hours full membranes, if it is fine, oxygen supplement head is taken out during the morning 8, put into during afternoon 6, cloudy round-the-clock oxygen supplement；
2. opening is critically important, generally, daytime can not opening, because if being fine day, egg membrane and the dead ovum hatched the most completely is had in hatching water, certain pollution is caused to water body, pass through direct sunlight, a lot of micro-bubble can be produced in hatchery, if after morning opening, seedling is uninterruptedly taken food, bubble is eaten down as food by mistake, and produce gas bubble disease, in the lifting upper shed evening before yesterday, full membrane the 4th day morning can be with lifting, that is opening in the 3rd day evening, opening time is when 19 or when 22 or during m seq 6, during the lifting time morning 7, overcast and rainy morning time section can；
Lifting can copy formula with water absorption type and net, and during lifting, seedling can not be dehydrated；
Two, flow process race formula cultivating method
(1), nursery pond organic water is cultivated
1. First Year used the breeding of mature loach pond, becomes loach harvesting complete, pass the winter and freeze solarization, and mud is few in year, and area is at 1-1.5 mu；
2. not breeding Misgurni anguillicaudati first 20 days, adding the new water of 10cm in pond, then full pond adds the live pig excrement of 5-8 ton, dissipates and sprinkles even, after three days, adds the new water of 30cm, after 2 days placed separately, go out by worm for fishing speed, go up 3-5 times to specifications and measure full pool spilling head, for future use；
(2) the hanging net cage pool inner water matter requirement of opening Seedling, is cultivated
null1. opening Seedling calculates from hatchery lifting for first 15 days，With 1-1.5 mu culturing pool，Draining is cleaned up the pond，There is no mud at the bottom of pond as far as possible，Fine day shines 4-5 days，Then the new water of 10cm is added，Available 50 kilograms of slurryings of quick lime，Full pool spilling head，Or increase by 30% full pool spilling head after 4-5 days with chlorine dioxide by metering，In cultivating organic pond, suction 25cm organic water is to nursery pond，Add the new water of 15cm，Two water inlets are completed before during the general fine day morning 10，The next morning observes water quality situation，If water quality reaches tea green，Transparency reaches 10-15cm，The overall average 45cm of the depth of water，Next go out by using metering to add 30% full pool spilling head by worm for fishing speed，3-5 days stand-by，Calculate the lifting time，During lifting 17-18 noon before that day，Seedling net cage is hung，Seedling net cage is to be made with 60 mesh screen cloths，Mouth Seedling 4-5 ten thousand tail decontroled by each net cage，By the opening Seedling quantity hatched，Calculate the quantity of net cage，Morning next day can put into net cage the opening Seedling in hatchery；
2. the special yolk powder of seedling opening material Aquatic product, 1,000,000 tail seedlings with 10-20 gram of yolk powder, encase with 100 mesh screen cloths, then use 1-2 liter of water, are spilled into hatchery, and the lifting time must complete in 2 hours；
3. under seedling after net cage, to feed during afternoon 18, feed feeds utilized critically important, feed self-control feedstuff, described self-control feedstuff is to be the soybean protein powder of 10:5-6:2-3:1-2 by weight ratio, fly maggot powder, peanut powder, Semen Maydis powder forms, sifted out by 80 mesh screen cloth processing and form, one barrel of water is made a call in former pond, not overfill, shake in bucket for several times with 60 mesh screen cloth bag 40 grams self-control feedstuff, until feedstuff is dissolved, splash in the whole network case, when early 7 and when late 18, every day splashes twice, every day water quality to be observed situation and transparency, water body overrich, easily there is gas bubble disease in seedling, at this moment appropriate new water is added, water body is the lightest, seedling poor growth, should pumping is appropriate in organic pond organic water；
4. seedling is by the growth of 8-10 days in net cage, reaches 1cm, carries out turning pond；
(3), 1cm seedling turns pond, pool inner water matter and technology requirement
1. the culturing pool crossed with idle solarization pond, area 1.2 mu clear pond, suction 30-40cm organic water in organic pond, add the new water of 10-12cm, then go out by specification metering full pool spilling head by worm for fishing speed；
2. the 1cm Seedling in net cage to turn pond from net cage in 8-10 days, it is to incubate stone pick up being pressed in four angle bricks or goose in net cage body that net cage turns seedling-growing method, then two people mention net cage slowly to while walking, seedling is risen to one jiao of net cage, pours in bigger basin gently, put into another nursery pond, put into quantity 20-30 ten thousand tails/mu, the Seedling educated according to net cage seedling nursery time order and function, such as box in 3-5 days, can be with putting one piece of pond, the seedling educated more than 5 days to turn next nursery pond and concentrate seedlings cultivating；
3. the requirement after putting into
Put into the nursery pond of 1cm seedling, it is necessary to have a small amount of miscellaneous pasture and water or artificial place a small amount of water peanut in pond；
4. the water quality requirement of secondary nursery and feeding method
null1cm seedling puts into secondary nursery pond one week after without feeding，Observe water body color，Water body color is deep tea green，Transparency is hardly important，Pig manure 280-320 kilogram fermented is added after second week，Pig manure after fermentation can not be the most dry，Location is stacked，Feed material is started after 3rd week，Feed albumen feedstuff，Described albumen feedstuff is to be the soybean protein powder of 10:4-6:2-3 by weight ratio、Fly maggot powder、Peanut powder forms，The granules processed with 40 mesh screen cloth sievings，Respectively feed once，Method is to add 500 grams of granules with 1 barrel of water，Slurrying is stirred in bucket，Full pool spilling head，Examine water quality，As water quality overfertilization can between every two days feed once，Misgurni anguillicaudati has certain mortality rate when proceeding to intestinal respiration，Water quality and feeding capacity are controlled，Periodically to rise and to copy a small amount of seedling，Observe body constitution，Whether there is fish molds，Abdominal part is the most rubescent，If there being fish molds symptom，Available 0.04% Sal and 0.04% sodium bicarbonate mixture full pool spilling head，If abdominal part is rubescent, food-intake is excessive，Cause death when turning intestinal respiration，The new water of appropriate filling，Reduce feeding amount，The seedling 70% that feeds through 35-40 days proceeds to intestinal respiration，Start turk，Change into after intestinal is breathed and start by normal the breeding of mature loach procedure operation.
The invention have the advantage that
The Misgurni anguillicaudati seedlings cultivating method of the present invention, not only makes Misgurni anguillicaudati survival rate of seedling reach 30%, but also adds Misgurni anguillicaudati body constitution in seedling stage, improves premunition, accelerates the speed of growth, and remarkable in economical benefits improves, and provides the seedling supply of abundance for big face development Misgurni anguillicaudati artificial cultivation.
Detailed description of the invention
Embodiment 1
One, convenient controlled miniflow ability of swimming Misgurni anguillicaudati hatching method
1, hatchery is built
Hatchery requires: length 6 meters, wide 1.2 meters, high 0.6 meter (by internal volume), one end at the bottom of pond is provided with discharge outlet (diameter 50cmPVC manages), the other end is arranged above with feed cock (tap water cage gets final product diameter 3cm), do not want the most smooth at the bottom of pond, the most smooth ovum grain is easily piled up, and pool wall requires more smooth；
2, incubator makes
With a diameter of 14mm round steel, long 5 meters, wide 1 meter, high 0.4 meter, being welded into cuboid framework, do stull in the welding of base of frame 2-3 root a diameter of 14mm round steel, round steel is outside all to be encased with insulating tape.With 7 mesh polyethylene screen cloths, the surrounding in addition to surface and bottom are sealed, and strain；
3, hatching water quality requirement
Spawning water wants twice precipitation, and way is as follows:
For the first time the most both by storehouse, the pool or urban river water suction the first sedimentation tank the little shape pond of molten 1 kilostere (can)；Second sedimentation tank is built in local higher than near 1 meter, hatchery, can molten 150m3The cement pit of water, a jiao of cement pit is provided with gravity flow inlet channel and diameter 110cmPVC pipeline, and described pipeline is use for later rinse water mud sump, arranges and can empty whole water.Gravity flow water supply pipe is located at higher than cement bottom layer 3-4cm, is connected with hatchery faucet, in case later stage hatching and miniflow water use.
4, water treatment
By water suction the first sedimentation tank, first precipitation water suction the second sedimentation tank, in order to clarification water quality and removing impurity, is then reached 140m by self-purification 4-5 days3After, with water purification peptide bacterium, package insert usage amount is pressed in medication metering increases by 20%, uniformly splashes；Within after medication 24 hours, i.e. can be used as Spawning water；
5, hatchery water level requires:
1. the hatchery depth of water requires high at 0.4 meter.
2. incubator being inserted in hatchery, incubator brick props up high 0.12 meter.
The quantity of 6, input kind loach and technical finesse:
1. the female parent individuality of 15/kg, and bosom ovum feature is obvious；Public this use 20/kg sexual maturity blue or green loach (note: as made male and female originally with plate loach, physique requires more than blue or green loach 20%) substantially and more than two ages.Maternal and public ratio originally is 1:2.Female parent 300 tail of the medicament that has been injected into hastening parturition, these 600 tails public are put in each hatchery, and this loach public requires when afternoon 15 on the same day to complete when-17 injection and hastens parturition medicament, puts into hatchery when 17.All kinds of loach are rinsed once with clear water before putting into hatchery.
2. hasten parturition practical technique standard
Oxytocic HLRHA4 adds DOM, maternal every injection dose 0.3ml, this 0.2ml public, in order to efficiently control the degree of depth into pin (No. 4 syringe needles), can on the base portion of syringe needle overlaps sebific duct or plastic tube.Syringe needle is made to expose 1-1.5mm, convenient for not damaging loach body and injection, Misgurni anguillicaudati can be encased with husky cloth during injection, syringe and fish body are that 45 degree of subscripts are penetrated, by being forwardly inserted below, contact pin degree of depth 1-1.5mm, injection site is preferably muscle of back or both sides, fin front lower place, back.Between hatchery water temperature requires 18-30 DEG C.
7, miniflow water and the technical finesse of oxygen supplement
1. after kind of a loach puts into hatchery two hours, opening the artesian water tap linked with No. two ponds, tap is connected to a flexible pipe communicated with hatchery, flexible pipe is placed in 10cm in the water body of hatchery, makes water level be maintained at 40cm, keeps fine bourn amount 0.3m3/ hour.
2. oxygen supplement
Oxygen supplement 220VAC/50HZ capacity 40L/min aerator, each hatchery puts two oxygen supplement heads, and 24 hours do not stop oxygen supplement.
3. mating time plants a loach time with rising
Depending on mate and oviposit and kind of a loach time are according to water temperature, during during general the next morning 10 or afternoon 15.Water temperature, between 20 DEG C-32 DEG C, plays kind of loach when the morning 10；Water temperature between 18-25 DEG C, rise kind of loach in the afternoon 15 time.Then remove kind of a loach, separately deal with.Incubator is lifted into next hatchery, carries out next step operation.
4. the miniflow water retention stream time
The miniflow water retention stream time, carry away hatchery Time Calculation from kind of a loach, keep water level at 30cm.5-8 hour to be kept of miniflow water, adjusts according to the concentration of water quality in hatchery.
5. the hatching of ovum grain
In the case of above-mentioned, ovum grain is basic in hatchery to be spread uniformly, will not pile up, and membrane speed is relevant with water temperature, water temperature when 25 DEG C, ovum grain 32 hours can membrane, membrane rate is up to 95%.
8, oxygen supplement rule, seedling opening, the lifting time
1., in the case of water temperature 25 DEG C, after 32 hours full membranes, if it is fine, oxygen supplement head is taken out during the morning 8, put into during afternoon 6, cloudy round-the-clock oxygen supplement.
2. opening is critically important, and generally, daytime can not opening, because if being fine day, there are egg membrane and the dead ovum hatched the most completely in hatching water, causing certain pollution to water body, pass through direct sunlight, a lot of micro-bubble can be produced, if after morning opening, seedling is uninterruptedly taken food in hatchery, bubble is eaten down as food by mistake, and produce gas bubble disease (if any this sick generation, can treat with appropriate saline, but seedling is had relatively major injury).In the lifting upper shed evening before yesterday, full membrane the 4th day morning can be with lifting, say, that the 3rd day evening opening, opening time is when 19 or when 22 or during m seq 6, and during the lifting time morning 7, overcast and rainy morning time section can.
Lifting can copy formula with water absorption type and net, mainly introduces net and copies formula, and the net formula of copying is to do triangularity with 80 mesh screen cloths to dip net just, and seedling is generally in hatchery surrounding, and very simple by diddle-net, during lifting, seedling can not be dehydrated.
Two, flow process race formula cultivating method
1, nursery pond organic water is cultivated
1. First Year used the breeding of mature loach pond, becomes loach harvesting complete, pass the winter and freeze solarization, and mud is few in year, and area is at 1.2 mu.
2. not breeding Misgurni anguillicaudati first 20 days, adding the new water of 10cm in pond, then full pond adds the live pig excrement of 5-8 ton, dissipates and sprinkles even, after three days, adds the new water of 30cm, after 2 days placed separately, go out by worm for fishing speed, and in description, 3-5 times is measured full pool spilling head, for future use.
2, the hanging net cage pool inner water matter requirement of opening Seedling is cultivated
1. opening Seedling calculates from hatchery lifting for first 15 days, with 1.2 mu of culturing pools, draining is cleaned up the pond, there is no mud at the bottom of pond as far as possible, fine day shines 4-5 days, then adds the new water of 10cm (outlet 9 mesh drainage screens), available 50 kilograms of slurryings of quick lime, full pool spilling head, or increase by 30% full pool spilling head with chlorine dioxide by metering.After 4-5 days, to nursery pond (outlet 9 mesh drainage screens), add the new water of 15cm (to add 9 mesh drainage screens equally) from cultivating suction 25cm organic water in organic pond.Completing two water inlets before during the general fine day morning 10, the next morning observes water quality situation, if water quality reaches tea green, transparency reaches 10-15cm, the overall average 45cm of the depth of water, next goes out by using metering to add 30% full pool spilling head by worm for fishing speed, and 3-5 days stand-by.Having calculated the lifting time, during lifting 17-18 noon before that day, seedling net cage has been hung, seedling net cage is to be made with 60 mesh screen cloths, long 3 meters, wide 2 meters, high 1 meter.Mouth Seedling 4-5 ten thousand tail decontroled by each net cage, by the opening Seedling quantity hatched, calculates the quantity of net cage.Morning next day can put into net cage the opening Seedling in hatchery.
2. the special yolk powder of seedling opening material Aquatic product, 1,000,000 tail seedlings are with 15 grams of yolk powders.Encase with 100 mesh screen cloths, then use 1.5 liter of water, be spilled into hatchery.Feeding frequency is with above-mentioned.The lifting time must complete in 2 hours.
3. under seedling after net cage, to feed during afternoon 18, feed feeds utilized critically important, feed self-control feedstuff, described self-control feedstuff is that the soybean protein powder of 10:5-6:2-3:1-2, fly maggot powder, peanut powder, Semen Maydis powder form by weight ratio, being sifted out by 80 mesh screen cloth processing and form, one barrel of water, not overfill are made a call in former pond.Shaking in bucket for several times with 60 mesh screen cloth bag 40 grams self-control material, until feedstuff is dissolved, splash in the whole network case (note: a barrel can feed 10 casees), when early 7 and when late 18, every day splashes twice.Every day water quality to be observed situation and transparency, water body overrich, easily there is gas bubble disease in seedling, at this moment adds appropriate new water, and water body is the lightest, seedling poor growth, should pumping is appropriate in organic pond organic water.
4. seedling is by the growth of 8-10 days in net cage, can reach 1cm, seedling only thus in net cage can fast-growth, here it is with natural enemy race and artificial breeding's common results.Because, in the case of the organic water extracted out from organic pond does not the most produce miscellaneous worm by drug treating, it is drawn into again net cage seedling nursery pond, and inlet port has drainage screen, having carried out twice medication at nursery pond again, there is no that miscellaneous worm etc produce are raw, seedling can be smoothly under being suitable for the organic water environment that it grows and artificial breeding's good to eat bait healthy growth, laying eggs without going into it deeply even if having, it is made and does not becomes the biggest injury by output young baby.
3,1cm seedling turns pond, pool inner water matter and technology requirement
1. the culturing pool crossed with idle solarization pond, area 1.2 mu clear pond, suction 35cm organic water in organic pond, add the new water of 10cm (water inlet is equally with 9 mesh drainage screens), then go out by specification metering full pool spilling head by worm for fishing speed, 5 days are available.
2. the 1cm Seedling in net cage to turn pond from net cage in 8-10 days, within 8-10 days, seedling survival rate in net cage is 50%, it is to incubate stone pick up being pressed in four angle bricks or goose in net cage body that net cage turns seedling-growing method, then two people mention net cage slowly to while walking, seedling is risen to one jiao of net cage, pour in bigger basin gently, put into another nursery pond, put into quantity 20-30 ten thousand tails/mu, according to net cage seedling nursery time order and function, the Seedling educated such as box in 3-5 days, can be with putting one piece of pond, and the seedling educated more than 5 days to turn next nursery pond and concentrate seedlings cultivating.
3. the requirement after putting into
Put into the nursery pond of 1cm seedling, it is necessary to have 5% miscellaneous pasture and water or artificial place a small amount of water peanut in pond.
4. the water quality requirement of secondary nursery and feeding method
1cm seedling puts into secondary nursery pond one week after without feeding, observes water body color, and water body color is deep tea green, and transparency is hardly important, to add the pig manure 300 kilograms fermented after second week, and the pig manure after fermentation can not be the most dry, and location is stacked.Starting feed material after 3rd week, feed albumen feedstuff, described albumen feedstuff is that the soybean protein powder of 10:4-6:2-3, fly maggot powder, peanut powder form by weight ratio, the granules processed with 40 mesh screen cloth sievings, respectively hello once.Method is to add 500 grams of granules with 1 barrel of water, stirs slurrying, full pool spilling head in bucket, examine water quality, as water quality overfertilization can between every two days feed once because seedling the most do not proceed to intestinal breathe, it is equally known that Misgurni anguillicaudati has three kinds of breathing patterns, the cheek is breathed, skin is breathed, intestinal respiration.Misgurni anguillicaudati has certain mortality rate when proceeding to intestinal respiration, water quality and feeding capacity controlled, will periodically rise and copy a small amount of seedling, observe body constitution, whether there is fish molds, abdominal part is the most rubescent, if there being fish molds symptom, and available 0.04% Sal and 0.04% sodium bicarbonate mixture full pool spilling head, if abdominal part is rubescent, food-intake is excessive, cause death when turning intestinal respiration, the new water of appropriate filling, reduces feeding amount.The seedling 70% that feeds through 35-40 days proceeds to intestinal respiration, starts turk, and mortality rate, between 15-20%, changes into after intestinal is breathed and starts by normal the breeding of mature loach procedure operation.Having ready conditions and can turn pond again by the cage harvesting certainly doing 7 mesh screen cloths, better, feed ratio 0.75-1 kilogram grows one jin of Misgurni anguillicaudati containing 32% albumen feedstuff.Calculate when seedling turns intestinal respiration, fed through 4 months and can reach per kilogram 120 tail.
Claims (1)
1. the seedlings cultivating method of a step flow process Misgurni anguillicaudati, it is characterised in that comprise the following steps:
One, convenient controlled miniflow ability of swimming Misgurni anguillicaudati hatching method:
(1), hatchery is built
Hatchery requires: long 5-7 rice, wide 1-1.5 rice, high 0.5-0.8 rice, one end at the bottom of pond is provided with discharge outlet, and the other end is arranged above with feed cock, the most smooth at the bottom of pond, and pool wall requires more smooth；
(2), incubator makes
Being welded into cuboid framework with round steel, do stull in the welding of base of frame round steel, round steel is outside all to be encased with insulating tape, with polyethylene screen cloth, the surrounding in addition to surface and bottom is sealed, and strains；
(3), hatching water quality requirement
Spawning water wants twice precipitation, and way is as follows:
For the first time will storehouse, the pool or urban river water suction the first sedimentation tank, the first described sedimentation tank is the little shape pond that can hold 1 kilostere；Second sedimentation tank is built in higher than neighbouring place, 1 meter, hatchery, and the second described sedimentation tank is for can hold 150m3The cement pit of water, one jiao of cement pit is provided with gravity flow inlet channel and a PVC pipeline, described PVC pipeline is used for later rinse water mud sump, arrange and can empty whole water, gravity flow inlet channel is located at higher than cement bottom layer 3-4cm, it is connected with hatchery faucet, in case later stage hatching and miniflow water use；
(4), water treatment
By water suction the first sedimentation tank, self-purification 4-5 days, then first precipitation water suction the second sedimentation tank is reached 130-140m3After, with water purification peptide bacterium, package insert usage amount is pressed in medication metering increases 15-20%, uniformly splashes, within after medication 22-25 hour, i.e. can be used as Spawning water；
(5), hatchery water level requires:
1. the hatchery depth of water requires high at 0.3-0.5 rice；
2. incubator being inserted in hatchery, incubator brick props up high 0.1-0.15 rice；
(6) quantity of, input kind loach and technical finesse:
The maternal individuality using 10-20 bar/kg, and bosom ovum feature is obvious；The sexual maturity of public this use 15-20 bar/kg blue or green loach substantially and more than two ages, the maternal 250-350 tail of the medicament that has been injected into hastening parturition is put in each hatchery, public this 500-700 tail, this loach public requires when afternoon 15 on the same day to complete when-17 injection and hastens parturition medicament, putting into hatchery when 17, all kinds of loach are rinsed once with clear water before putting into hatchery；
(7), miniflow water and the technical finesse of oxygen supplement:
1. after kind of a loach puts into hatchery two hours, opening the artesian water tap linked with the second sedimentation tank, tap is connected to a flexible pipe communicated with hatchery, flexible pipe is placed in 10cm in the water body of hatchery, makes water level be maintained at 4cm, keeps fine bourn amount 0.3m3/ hour；
2. oxygen supplement
The oxygen supplement aerator of capacity 40L/min, each hatchery puts two oxygen supplement heads, and 24 hours do not stop oxygen supplement；
3. mating time plants a loach time with rising
Depending on mate and oviposit and kind of a loach time are according to water temperature, during during general the next morning 10 or afternoon 15, water temperature, between 20-32 DEG C, plays kind of loach when the morning 10；Water temperature between 18-25 DEG C, rise kind of loach in the afternoon 15 time, then remove kind of a loach, separately deal with, incubator is lifted into next hatchery, carry out next step operation；
4. the miniflow water retention stream time
The miniflow water retention stream time, carrying away hatchery Time Calculation from kind of a loach, keep water level at 30cm, 5-8 hour to be kept of miniflow water, according to the concentration adjustment of water quality in hatchery；
5. the hatching of ovum grain
In the case of above-mentioned, ovum grain is basic in hatchery to be spread uniformly, will not pile up, and membrane speed is relevant with water temperature, and water temperature is when 25 DEG C, and ovum grain 32 hours can membrane；
(8), oxygen supplement rule, seedling opening, the lifting time
1., in the case of water temperature 25 DEG C, after 32 hours full membranes, if it is fine, oxygen supplement head is taken out during the morning 8, put into during afternoon 6, cloudy round-the-clock oxygen supplement；
2. opening is critically important, generally, daytime can not opening, because if being fine day, egg membrane and the dead ovum hatched the most completely is had in hatching water, certain pollution is caused to water body, pass through direct sunlight, a lot of micro-bubble can be produced in hatchery, if after morning opening, seedling is uninterruptedly taken food, bubble is eaten down as food by mistake, and produce gas bubble disease, in the lifting upper shed evening before yesterday, full membrane the 4th day morning can be with lifting, that is opening in the 3rd day evening, opening time is when 19 or when 22 or during m seq 6, during the lifting time morning 7, overcast and rainy morning time section can；
Lifting can copy formula with water absorption type and net, and during lifting, seedling can not be dehydrated；
Two, flow process race formula cultivating method
(1), nursery pond organic water is cultivated
1. First Year used the breeding of mature loach pond, becomes loach harvesting complete, pass the winter and freeze solarization, and mud is few in year, and area is at 1-1.5 mu；
2. not breeding Misgurni anguillicaudati first 20 days, adding the new water of 10cm in pond, then full pond adds the live pig excrement of 5-8 ton, dissipates and sprinkles even, after three days, adds the new water of 30cm, after 2 days placed separately, go out by worm for fishing speed, go up 3-5 times to specifications and measure full pool spilling head, for future use；
(2) the hanging net cage pool inner water matter requirement of opening Seedling, is cultivated
null1. opening Seedling calculates from hatchery lifting for first 15 days，With 1-1.5 mu culturing pool，Draining is cleaned up the pond，There is no mud at the bottom of pond as far as possible，Fine day shines 4-5 days，Then the new water of 10cm is added，Available 50 kilograms of slurryings of quick lime，Full pool spilling head，Or increase by 30% full pool spilling head after 4-5 days with chlorine dioxide by metering，In cultivating organic pond, suction 25cm organic water is to nursery pond，Add the new water of 15cm，Two water inlets are completed before during the general fine day morning 10，The next morning observes water quality situation，If water quality reaches tea green，Transparency reaches 10-15cm，The overall average 45cm of the depth of water，Next go out by using metering to add 30% full pool spilling head by worm for fishing speed，3-5 days stand-by，Calculate the lifting time，During lifting 17-18 noon before that day，Seedling net cage is hung，Seedling net cage is to be made with 60 mesh screen cloths，Mouth Seedling 4-5 ten thousand tail decontroled by each net cage，By the opening Seedling quantity hatched，Calculate the quantity of net cage，Morning next day can put into net cage the opening Seedling in hatchery；
2. the special yolk powder of seedling opening material Aquatic product, 1,000,000 tail seedlings with 10-20 gram of yolk powder, encase with 100 mesh screen cloths, then use 1-2 liter of water, are spilled into hatchery, and the lifting time must complete in 2 hours；
3. under seedling after net cage, to feed during afternoon 18, feed feeds utilized critically important, feed self-control feedstuff, described self-control feedstuff is to be the soybean protein powder of 10:5-6:2-3:1-2 by weight ratio, fly maggot powder, peanut powder, Semen Maydis powder forms, sifted out by 80 mesh screen cloth processing and form, one barrel of water is made a call in former pond, not overfill, shake in bucket for several times with 60 mesh screen cloth bag 40 grams self-control feedstuff, until feedstuff is dissolved, splash in the whole network case, when early 7 and when late 18, every day splashes twice, every day water quality to be observed situation and transparency, water body overrich, easily there is gas bubble disease in seedling, at this moment appropriate new water is added, water body is the lightest, seedling poor growth, should pumping is appropriate in organic pond organic water；
4. seedling is by the growth of 8-10 days in net cage, reaches 1cm, carries out turning pond；
(3), 1cm seedling turns pond, pool inner water matter and technology requirement
1. the culturing pool crossed with idle solarization pond, area 1.2 mu clear pond, suction 30-40cm organic water in organic pond, add the new water of 10-12cm, then go out by specification metering full pool spilling head by worm for fishing speed；
2. the 1cm Seedling in net cage to turn pond from net cage in 8-10 days, it is to incubate stone pick up being pressed in four angle bricks or goose in net cage body that net cage turns seedling-growing method, then two people mention net cage slowly to while walking, seedling is risen to one jiao of net cage, pours in bigger basin gently, put into another nursery pond, put into quantity 20-30 ten thousand tails/mu, the Seedling educated according to net cage seedling nursery time order and function, such as box in 3-5 days, can be with putting one piece of pond, the seedling educated more than 5 days to turn next nursery pond and concentrate seedlings cultivating；
3. the requirement after putting into
Put into the nursery pond of 1cm seedling, it is necessary to have a small amount of miscellaneous pasture and water or artificial place a small amount of water peanut in pond；
4. the water quality requirement of secondary nursery and feeding method
null1cm seedling puts into secondary nursery pond one week after without feeding，Observe water body color，Water body color is deep tea green，Transparency is hardly important，Pig manure 280-320 kilogram fermented is added after second week，Pig manure after fermentation can not be the most dry，Location is stacked，Feed material is started after 3rd week，Feed albumen feedstuff，Described albumen feedstuff is to be the soybean protein powder of 10:4-6:2-3 by weight ratio、Fly maggot powder、Peanut powder forms，The granules processed with 40 mesh screen cloth sievings，Respectively feed once，Method is to add 500 grams of granules with 1 barrel of water，Slurrying is stirred in bucket，Full pool spilling head，Examine water quality，As water quality overfertilization can between every two days feed once，Misgurni anguillicaudati has certain mortality rate when proceeding to intestinal respiration，Water quality and feeding capacity are controlled，Periodically to rise and to copy a small amount of seedling，Observe body constitution，Whether there is fish molds，Abdominal part is the most rubescent，If there being fish molds symptom，Available 0.04% Sal and 0.04% sodium bicarbonate mixture full pool spilling head，If abdominal part is rubescent, food-intake is excessive，Cause death when turning intestinal respiration，The new water of appropriate filling，Reduce feeding amount，The seedling 70% that feeds through 35-40 days proceeds to intestinal respiration，Start turk，Change into after intestinal is breathed and start by normal the breeding of mature loach procedure operation.
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| CN105557563A (en) * | 2014-10-10 | 2016-05-11 | 龙门县新瑶种养专业合作社 | Taiwan loach high-efficiency industrialized breeding method |
| CN104396819A (en) * | 2014-11-10 | 2015-03-11 | 余仁忠 | Method for culturing loach in net cages |
| CN104872009A (en) * | 2015-03-24 | 2015-09-02 | 浙江海洋学院 | Cultivating method of loach seedlings and safeguard system for enemy damselfly larvas in cultivation of loach seedlings |
| CN105104256A (en) * | 2015-08-13 | 2015-12-02 | 鹿寨县水产技术推广站 | Artificial breeding method for misgurnus anguillicaudatus |
| CN105532539B (en) * | 2016-01-15 | 2018-05-15 | 辰溪县凤凰山生态农业开发有限公司 | A kind of mud fish fry artificial propagation breeding method |
| CN108184724A (en) * | 2018-01-30 | 2018-06-22 | 广西平南县平原农牧有限公司 | A kind of breeding method of spot Of-digestive-tract fries |
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