CN105409845B - A kind of short hairs schizothoracin artificial fecundation method - Google Patents
A kind of short hairs schizothoracin artificial fecundation method Download PDFInfo
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to a kind of method of short hairs schizothoracin artificial propagation, this method includes mainly bait preparing, parent population source, parent population is raised and train, parent population select, artificial insemination, hatch fish roe and fry seven steps of raising.The beneficial effects of the present invention are：Without using ocyodinic, short hairs schizothoracin can also lay eggs smart and can get higher fertility rate and hatchability；It is nonsynchronous fundamentally to solve the problems, such as that the agensis of wild fish male and female or development under environment are supported in the pool；Reduce the damage to short hairs schizothoracin parent population and reduces aquaculture cost；More rationally, efficiently, it improves hatching rate and reduces the waste of fish-egg resource；It improves the survival rate of fry while also reducing the abnormal rate of fry.
Description
Technical field
The present invention relates to a kind of methods of the parent fish rearing of short hairs schizothoracin and artificial propagation, belong to artificial freshwater-fish breeding skill
Art field.
Background technology
Short hairs schizothoracin (Schizothorax wangchiachii) is under the jurisdiction of Cypriniformes Cypriniforms, Cyprinidae
Cyprinidae, Schizothoracinae Schizothoracinae, Schizothorax Schizothorax, also known as remote fish, husky tripe.It dwells
The valley section in the river of highlands is ceased, is food with algae, Chang Jiqun lives belong to the middle-size and small-size cold water of Jinsha River system
Property economic fish.Because of its fine and tender taste, delicious flavour, full of nutrition, liked by consumer very much.
In recent years, since habitat is destroyed, various unreasonable fishing means frequently use, and existing short hairs are split
Abdomen fish resource amount has greatly reduced, and makes the aobvious costliness in its market price day.High market value and stock number in short supply so that grind
Study carefully and a kind of efficiently brief short hairs schizothoracin artificial propagation techniques day shows important.
Although artificial freshwater-fish breeding technology has a long history, but still unresolved wild fish from wild environment into
Enter the pool and support a series of problems occurred after environment, that stands in the breach in these problems surely belongs to reproductive dysfunction, and environment is supported on the pool
Lower is difficult that mutually heat chases and the phenomenon that natural spawning before observing many Species of Rare Fish from Qingdao ovipositions, therefore wild Species of Rare Fish from Qingdao exists
The pool, which is supported, is difficult to realize self procreation under environment.And for many fish, it is impossible to imitate the life in fish reproduction season completely
Therefore state environment need to often inject efficient inducing agent for fish, pitocin induction fish oviposition production essence.The use of ocyodinic largely solves
Determined artificial propagation of fish the problem of, can make fish oviposition production essence and can normal fertilization, obtain normal offspring, but fail to solve
Root problem, we still place hope on parent fish rearing so that wild fish can natural spawning production essence in the case where environment is supported on the pool.
Though referring to parent fish rearing in existing patent and document, remaining in parent fish rearing is taken for the use of ocyodinic
The primary stage of business, in a sense, this parent fish rearing are unsuccessful, and successful parent fish rearing is built upon pair
On the basis that fish field ecology and reproductive habit extremely understand, and with pond culture experience for many years, to realize that fish exist
Energy natural spawning production essence under environment is supported on the pool, to realize that self procreation of fish lays the foundation.By literature search, there is not related report
Road.
Invention content
The purpose of the present invention is to provide a kind of short hairs schizothoracin parent fish rearing and artificial fecundation methods, to realize that short hairs are split
Abdomen fish natural spawning production essence in the case where environment is supported on the pool, higher rate of fertilization is still can get without using ocyodinic, and unique fish incubate
Change method can more rationally, efficiently utilize fish-egg, improve hatching rate, the raising stage by stage of fry also improves the survival of fry
Rate.
According to an aspect of the present invention, a kind of short hairs schizothoracin parent fish rearing and artificial fecundation method, this method are provided
Include the following steps：1) parent population acquires；2) parent population is raised and train：Parent population after disinfection is put into the raising and train in pond of sterilized cleaning, and
Black shading net is capped on pond；Artificial synthesized pellet is fed daily twice；3) parent population selects：It is normal, raw to choose form
Long good, the male and female parent population without disease is placed in glass jar, adjusts water flow velocity 20-25m/ minutes in glass jar, water quality is transparent
Spend 100-105cm, dissolved oxygen 5.9-6.8mg/L, pH 7.0-7.4, osmotic pressure 2.8-4.7mOsm/L, 10-12 DEG C of temperature；4) people
Work is inseminated：Physical health is picked out from glass jar, in good condition and sexually matured parent population carries out artificial insemination, in artificial insemination
In the process, with osmotic pressure 272-298mOsm/L, the physiological saline of 11-12 DEG C of temperature gently rinses smart ovum mixture, and smart ovum is mixed
It closes object and is positioned in hatching cylinder and hatch；5) hatch fish roe：Fish-egg is entered and hatches glass jar, injected clear water, the water surface is above fish-egg
4-5cm, hatching cylinder is interior to be irradiated without intense light source, 8-11 DEG C of water temperature, pH 7.0-7.4, dissolved oxygen 6.4-7.5mg/L, osmotic pressure 2.5-
3.5mOsm/L；6) fry is raised：Start to feed within 9 days after fry rupture of membranes, the feed phase feeds different feeds stage by stage, uses nitre daily
Change bacterium and presses 15-17g/m2Regulating water quality.
Further, the stage is raised and train in parent population, the parent population after disinfection is put into the raising and train in pond of long 8m × wide 5m × high 3m,
Potassium permanganate disinfection impregnates 1 day after long brush cleaning, and then clear water cleans 3 times, each 30-40min, after the completion of cleaning, to raising and train
Water filling in pond makes to raise and train water level in pond and reaches 1.5m, flow velocity 75-85m/ minutes, water quality transparency 100-105cm, dissolved oxygen
5.7-6.5mg/L, pH 7.0-7.4, osmotic pressure 2.8-4.7mOsm/L, 12-16 DEG C of temperature.
Further, in the parent population choice phase, the male and female parent population of selection is placed in long 200cm × wide 100cm × high 100cm
Tempered glass cylinder in, bottom is placed with one layer of cobblestone in cylinder, and it is 30-40cm to adjust height of water level in glass jar.
Further, the method for the artificial insemination is：It wipes in fish body after excessive moisture, using light pressure abdomen method, makes
Ripe sperm and fish-egg flows out in clean container naturally, and smart ovum mixture is gently mixed 10-20 seconds with soft feather, quiet
After setting 60 seconds, smart ovum mixture is gently rinsed with the physiological saline, is gently stirred clockwise with feather when rinsing
It mixes, with sperm extra in the smart ovum mixture of removal, then smart ovum mixture is positioned in hatching cylinder and is hatched.
Further, in the hatch fish roe stage, using the hatching glass jar of long 50cm × wide 25cm × high 25cm, cylinder
It is inside hung with the transparent plastic sheet of one piece of thickness 10mm, plastic plate is away from cylinder bottom face 5cm, and away from casing wall 2cm, plate is hollow and side has always
Diameter is the gas injection port of 5mm, has the smooth arc groove to distribute as net shape, a diameter of 5mm in groove top edge adjacent on plastic plate
There are the aperture of an a diameter of 1mm, aperture to be communicated with the hollow inside of transparent plastic sheet between groove, it is black that hatching cylinder bottom portion is lined with one
Cloth；2500-4000, fish-egg is put per cylinder.
Further, the stage is raised in fry：The of feed phase feeds pulpous state bait sw for 1-4 days, and feeds mixing for 5-8 days
Bait sw1；Feeds mixed feed sw2 for 9-15 days；Feeding volume is 8-10mL/m2；After fry is open 15 days, throw daily morning and evening
Feed mixed feed sw3, feeding volume 8-10g/m2；Fry is open 30-45 days, feeds wheel animalcule and 701 carp kidney cell mixed feeds,
Wheel animalcule feeding volume is 1,500,000/m2, 701 carp kidney cell mixed feed feeding volumes feed by feed coefficient for 1%-2%；It opens
After mouthfuls 45 days, 701 carp kidney cell mixed feed feeding volumes are fed by feed coefficient for 3%-4%.Wherein, the pulpous state bait
Sw includes：Cooked yolk, vitamine D3 calcium tablet, multivitamin and minerals tablet and water, mass ratio are cooked yolk:Vitamine D3 calcium tablet:It is more
The first plain piece of dimension:Water=250:10:8:750.The mixed feed sw1 includes：Cooked yolk, now mill soya bean soya-bean milk, vitamine D3
Calcium tablet, multivitamin and minerals tablet and water, mass ratio are cooked yolk:Now grind soya bean soya-bean milk:Vitamine D3 calcium tablet:Multivitamin and minerals tablet:Water
=250:250:10:8:500.The mixed feed sw2 includes：Now mill soya bean soya-bean milk, the mash feed containing 45% crude protein, dimension
Raw element D3 calcium tablets, multivitamin and minerals tablet and water, mass ratio are now to grind soya bean soya-bean milk:Mash feed containing 45% crude protein:Vitamin
D3 calcium tablets:Multivitamin and minerals tablet:Water=250:250:10:8:500.The mixed feed sw3 includes：Photosynthetic bacteria additive and fish
Powder, the two mass ratio are 1:50.
The beneficial effects of the present invention are：
1. unused ocyodinic, short hairs schizothoracin can not only lay eggs smart and can get higher fertility rate and hatchability；
2. the success of short hairs schizothoracin parent fish rearing fundamentally solves the pool and supports wild fish male and female agensis under environment
Or the nonsynchronous problem of development；
3. the zero of ocyodinic also reduces aquaculture cost using the damage not only reduced to short hairs schizothoracin parent population, operate
It is more simple and efficient；
4. the hatch fish roe method of the present invention is arranged, more adduction for FAQs in short hairs schizothoracin hatch fish roe
It manages, efficiently, improves hatching rate and reduce the waste of fish-egg resource；
5. the raising stage by stage of fry is set according to the different growth characteristics in short hairs schizothoracin fry each stage, not only carry
The survival rate of high fry also reduces the abnormal rate of fry simultaneously.
Description of the drawings
Fig. 1 is the figure for showing influence of the water temperature to short hairs schizothoracin hatch fish roe.
Fig. 2 is the figure for showing influence of the osmotic pressure to short hairs schizothoracin hatch fish roe.
Fig. 3 is the figure for the influence for showing that different bait survive to short hairs schizothoracin fry.
Specific implementation mode
In from detailed description below, aforementioned aspect of the present invention and other aspects of the present invention will be apparent.
Embodiment 1
1. bait preparing
Pulpous state bait sw：Including cooked yolk, vitamine D3 calcium tablet, multivitamin and minerals tablet and water, mass ratio is cooked yolk:
Vitamine D3 calcium tablet:Multivitamin and minerals tablet:Water=250:10:8:750.
Mixed feed sw1：Including cooked yolk, now grind soya bean soya-bean milk, vitamine D3 calcium tablet, multivitamin and minerals tablet and water, matter
Amount is than being cooked yolk:Now grind soya bean soya-bean milk:Vitamine D3 calcium tablet:Multivitamin and minerals tablet:Water=250:250:10:8:500.
Mixed feed sw2：Including existing mill soya bean soya-bean milk, the mash feed containing 45% crude protein, vitamine D3 calcium tablet, multidimensional
First plain piece and water, mass ratio are now to grind soya bean soya-bean milk:Mash feed containing 45% crude protein:Vitamine D3 calcium tablet:Muhivitamin Formula With Minerals
Piece:Water=250:250:10:8:500.
Mixed feed sw3：Including photosynthetic bacteria additive and fish meal, the two mass ratio is 1:50.
2. parent population source
Parent population acquires in June, 2007 in Jinsha River system Lijiang City drum-shaped stone blocks town, is all made of the capture of three layers of linked network, and totally 173
Tail.The average value of sampled inspection, short hairs schizothoracin body length is 258mm, Weight averages 0.503kg.Parent population is packed into length
80cm, width 50cm plastics fish fry bags take back cultivation base, every bag of fish body weight 4.5-5kg after rushing oxygen.
3. parent population is raised and train
Long 8m, wide 5m, high 3m raise and train pond and empty and be exposed to the sun 3 days in advance, then clean pool wall with long brush, potassium permanganate is used in combination
It impregnates 1 day, is then cleaned 3 times with clear water, it is 30-40 minutes each.It is put into after parent population is sterilized and raises and train pond, black screening is stamped on pond
Light net, pool inner water position are 1.5m with drainage channel height outside pond, and water inlet pipe flow velocity is 75-85m/ minutes, water quality transparency
100-105cm.Oxygen supply equipment, dissolved oxygen 5.7-6.5mg/L, pH 7.0-7.4, osmotic pressure 2.8-4.7mOsm/ are installed in pond
L, 12-16 DEG C of temperature.Daily 10:00 and 16:00 respectively to feed artificial synthesized pellet primary.After raising and train 5 days, total death parent population
23 tails.
4. parent population selects
On 2 12nd, 2014 09:00, physical health is chosen in pond from raising and train, form is good, unscathed short hairs schizothoracin
Male and female parent population temporarily support in long 200cm, width 100cm, high 100cm tempered glass cylinder in, totally 45 tail.Bottom is placed with one layer of goose in cylinder
Cobble, daily 10:00 to 16:Height of water level is 30-40cm in the 00 temporary vatting of adjustment, and parent population is enable to carry out the solarization back of the body, flow rate of water flow
It it is 20-25m/ minutes, conditions above is that parent population simulates good spawning ground.Under the stimulation of various conditions, parent population property can be promoted
Maturation is to lay eggs.Sexually matured parent population is mainly manifested in：Female abdomen is mellow and full to be expanded, soft-touch, and gonopore is more prominent；
Male abdomen is less than normal, and the star-pursuing of head front end is apparent.Culvert system is set in cylinder, makes to keep water quality clean in entire cylinder, cylinder
Interior water quality transparency is 100-105cm, dissolved oxygen 5.9-6.8mg/L, pH 7.0-7.4, osmotic pressure 2.8-4.7mOsm/L, temperature
10-12 DEG C of degree.
5. artificial insemination
17 days 2 months 16:00, pick out physical health from the temporary vatting of tempered glass, in good condition and ripe sexual gland 3 groups
Parent population, every group of female-male proportion are 2:5.Excessive moisture in fish body is wiped, holds fish body back on the other hand, uses thumb and index finger edge on the other hand
It ovary and spermary profile touches fish body abdomen and squeezes out fish-egg and sperm.The fish-egg and sperm of extrusion, are contained in clean container
In, it is gently mixed smart ovum mixture 10-20 seconds with soft feather, stands 60 seconds.Then it is 272-298mOsm/ with osmotic pressure
L, temperature are that 11-12 DEG C of physiological saline gently rinses smart ovum mixture, clockwise gently with feather in flushing
Fish-egg sperm mixture is stirred to remove extra sperm.Fish-egg is positioned in hatching cylinder, obtains 31500, fish-egg altogether.
6. hatch fish roe
Hatching cylinder is the glass jar of long 50cm, width 25cm, high 25cm, hatches the transparent modeling that one piece of thickness 10mm is hung in cylinder
Flitch, convenient for checking the hatching situation of fish-egg at any time；For plastic plate away from cylinder bottom face 5cm, edges of boards edge is 2cm at a distance from casing wall,
Plate is hollow and there is the gas injection port of an a diameter of 5mm in side.There is the smooth arc groove to distribute as net shape on plastic plate, avoids rubbing
Wiping makes fish-egg egg membrane rupture and when hatching because that fry twists is in heaps.The a diameter of 5mm in groove top edge has between adjacent grooves
The aperture of one a diameter of 1mm, aperture are communicated with the hollow inside of transparent plastic sheet, and when hatch fish roe, oxygen is entered by gas injection port,
Aperture outflow through net distribution, avoids reducing hatching rate because of the difference of local dissolution oxygen content.Every fish-egg is not in contact with each other
And an exclusive groove, demersal egg can be prevented because of the growth of flow accumulation and mould.Hatching cylinder bottom portion is lined with a black cloth, convenient for incubating
Dead ovum is chosen by transparent plastic sheet during change.When hatching, the water inlet on casing wall is consistent with cylinder bottom water outlet flow velocity, in stream
Water hatches state.2500-4000, the fish-egg that ovum diameter is 2.37-3.25mm is put per cylinder, waits for that fish-egg enters cylinder, clear water, the water surface is added
Above the ovum at 4-5cm.Hatch in cylinder that water temperature control is at 8-11 DEG C, pH 7.0-7.4, dissolved oxygen 6.4-7.5mg/L, osmotic pressure
2.5-3.5mOsm/L.To avoid fish-egg embryo from being generated lopsided fry by high light radiation, irradiated without intense light source in hatching house.By
Totally 27200, smart fish-egg, rate of fertilization 86.3%, after 147 hours, fry starts to hatch hatch fish roe, after hatching 207 hours,
Fry hatching terminates, and obtains 25150 tail of fry, hatching rate 92.5% altogether.
Fig. 1 is shown in influence of the temperature to short hairs schizothoracin hatch fish roe during hatch fish roe, the results show that with temperature
It increases, hatching rate gradually rises, and abnormal rate continuously decreases, and when temperature is to 10 DEG C, hatching rate reaches highest, and abnormal rate is also down to most
Low, temperature increases again, and hatching rate declines and abnormal rate rises.Therefore, hatch water temperature in cylinder in hatching process and be preferably controlled in 8-
11℃。
Fig. 2 is shown in influence of the osmotic pressure to short hairs schizothoracin hatch fish roe during hatch fish roe, the results show that with hatching
It is gradually risen with the hatching rate of the raising of water penetration pressure, fish-egg, abnormal rate continuously decreases, when osmotic pressure is in 2.5-3.5mOsm/L
When, hatching rate is higher, and abnormal rate is relatively low, and osmotic pressure increases again, then hatching rate declines, and abnormal rate rises.Therefore, in hatching process
Osmotic pressure is preferably controlled in 2.5-3.5mOsm/L in hatching cylinder.
7. fry is raised
Start to feed within 9 days after fry rupture of membranes, that feeds the phase feeds pulpous state bait sw for first 4 days, and feeds mixed feed in 5-8 days
Sw1, the feeds mixed feed sw2 for 9-15 days, and it is 8-10mL/m to feed metering2.After fry is open 15 days, feed daily morning and evening mixed
Close bait sw3, feeding volume 8-10g/m2, while every morning 10:00 presses 15-17g/m with nitrobacteria2Regulating water quality.Fry
Opening 30-45 days, feeds wheel animalcule and 701 carp kidney cell mixed feeds, and wheel animalcule feeding volume is 1,500,000/m2, 701 carp kidney cells
Mixed feed feeding volume is fed for 1%-2% to calculate by feed coefficient.Opening can only feed 701 carp kidney cells and match after 45 days
Feed is closed, feeding volume is fed for 3%-4% to calculate by feed coefficient.
Fig. 3 shows the influence that different bait survive to short hairs schizothoracin fry, wherein bait 1 and bait 2 split abdomen for short hairs
The common bait of fish, 1 is fairy shrimp naupiar larva, and 2 be soft-boiled eggs Huang+wheel animalcule, and bait 3 is the above-mentioned bait combination of the present invention.Knot
Fruit shows, compared to common bait, above-mentioned bait of the invention combines to have obtained higher seed survival rate, oral area abnormal rate
It is relatively low.
Those skilled in the art is it should be understood that although for illustrative purposes, this document describes the tools of the present invention
Body embodiment, but it can be carry out various modifications without departing from the spirit and scope of the present invention.Therefore, of the invention specific
Embodiments and examples should not be considered as limiting the scope of the invention.The present invention is limited only by the appended claims.This Shen
Please in quote all documents be fully incorporated herein by reference.
Claims (4)
1. a kind of short hairs schizothoracin artificial fecundation method, this method comprises the following steps：
1) parent population acquires；
2) parent population is raised and train：Parent population after disinfection is put into the raising and train in pond of sterilized cleaning, and is capped black shading net on pond；
Artificial synthesized pellet is fed daily twice；
3) parent population selects：It chooses normal form, well-grown, the male and female parent population without disease to be placed in glass jar, adjusts glass jar
Interior water flow velocity 20-25m/ minutes, water quality transparency 100-105cm, dissolved oxygen 5.9-6.8mg/L, pH 7.0-7.4, osmotic pressure
2.8-4.7mOsm/L, 10-12 DEG C of temperature；
4) artificial insemination：Physical health is picked out from glass jar, in good condition and sexually matured parent population carries out artificial insemination,
In artificial insemination procedures, smart ovum mixture is gently rinsed with the physiological saline of osmotic pressure 272-298mOsm/L, 11-12 DEG C of temperature,
Smart ovum mixture is positioned in hatching cylinder and is hatched；
5) hatch fish roe：Fish-egg is entered and hatches cylinder, injected clear water, water surface 4-5cm above fish-egg, hatching cylinder is interior to be shone without intense light source
It penetrates, 8-11 DEG C of water temperature, pH 7.0-7.4, dissolved oxygen 6.4-7.5mg/L, osmotic pressure 2.5-3.5mOsm/L；Using long 50cm × wide
The hatching cylinder of 25cm × high 25cm is hung with the transparent plastic sheet of one piece of thickness 10mm in cylinder, and plastic plate is away from cylinder bottom face 5cm, away from cylinder
Wall 2cm, plate is hollow and there is the gas injection port of an a diameter of 5mm in side, has the smooth arc groove to distribute as net shape on plastic plate,
The a diameter of 5mm in groove top edge, there is the aperture of an a diameter of 1mm between adjacent grooves, aperture and transparent plastic sheet it is hollow in
Portion communicates, and hatching cylinder bottom portion is lined with a black cloth；2500-4000, fish-egg is put per cylinder；
6) fry is raised：Start to feed within 9 days after fry rupture of membranes, the feed phase feeds different feeds stage by stage, uses nitrobacteria daily
By 15-17g/m2Regulating water quality；The of feed phase feeds pulpous state bait sw for 1-4 days, and feeds mixed feed sw1 for 5-8 days；9-
Feed mixed feed sw2 within 15 days；Feeding volume is 8-10mL/m2；After fry is open 15 days, mixed feed is fed daily morning and evening
Sw3, feeding volume 8-10g/m2；Fry is open 30-45 days, feeds wheel animalcule and 701 carp kidney cell mixed feeds, wheel animalcule feeding volume
For 1,500,000/m2, 701 carp kidney cell mixed feed feeding volumes feed by feed coefficient for 1%-2%；After being open 45 days,
701 carp kidney cell mixed feed feeding volumes are fed by feed coefficient for 3%-4%,
Wherein, the pulpous state bait sw includes：Cooked yolk, vitamine D3 calcium tablet, multivitamin and minerals tablet and water, mass ratio are cooked
Yolk:Vitamine D3 calcium tablet:Multivitamin and minerals tablet:Water=250:10:8:750,
The mixed feed sw1 includes：Cooked yolk, now mill soya bean soya-bean milk, vitamine D3 calcium tablet, multivitamin and minerals tablet and water, matter
Amount is than being cooked yolk:Now grind soya bean soya-bean milk:Vitamine D3 calcium tablet:Multivitamin and minerals tablet:Water=250:250:10:8:500,
The mixed feed sw2 includes：Now mill soya bean soya-bean milk, the mash feed containing 45% crude protein, vitamine D3 calcium tablet, multidimensional
First plain piece and water, mass ratio are now to grind soya bean soya-bean milk:Mash feed containing 45% crude protein:Vitamine D3 calcium tablet:Muhivitamin Formula With Minerals
Piece:Water=250:250:10:8:500,
The mixed feed sw3 includes：Photosynthetic bacteria additive and fish meal, the two mass ratio are 1:50.
2. short hairs schizothoracin artificial fecundation method as described in claim 1, wherein the stage is raised and train in parent population, after disinfection
Parent population is put into the raising and train in pond of long 8m × wide 5m × high 3m, after long brush cleaning potassium permanganate disinfection impregnate 1 day, then clear water cleans
3 times, each 30-40min, after the completion of cleaning, to water filling in pond is raised and train, makes to raise and train water level in pond and reach 1.5m, flow velocity 75-85m/
Minute, water quality transparency 100-105cm, dissolved oxygen 5.7-6.5mg/L, pH 7.0-7.4, osmotic pressure 2.8-4.7mOsm/L, temperature
12-16 DEG C of degree.
3. short hairs schizothoracin artificial fecundation method as described in claim 1, wherein in the parent population choice phase, by the female of selection
Male parent population is placed in the glass jar of long 200cm × wide 100cm × high 100cm, and bottom is placed with one layer of cobblestone in cylinder, adjusts glass
Height of water level is 30-40cm in cylinder.
4. short hairs schizothoracin artificial fecundation method as described in claim 1, wherein the method for the artificial insemination is：It wipes
In fish body after excessive moisture, using light pressure abdomen method, ripe sperm and fish-egg is set to flow out in clean container naturally, with softness
Feather be gently mixed smart ovum mixture 10-20 seconds, after standing 60 seconds, essence ovum mixture is gently rinsed with the physiological saline,
It is gently mixed clockwise with feather when rinsing, with sperm extra in the smart ovum mixture of removal, then by smart ovum
Mixture, which is positioned in hatching cylinder, hatches.
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