CN106818553A - A kind of red pearlscale dove-tail form grass goldfish breeding and selection - Google Patents
A kind of red pearlscale dove-tail form grass goldfish breeding and selection Download PDFInfo
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- CN106818553A CN106818553A CN201710039716.6A CN201710039716A CN106818553A CN 106818553 A CN106818553 A CN 106818553A CN 201710039716 A CN201710039716 A CN 201710039716A CN 106818553 A CN106818553 A CN 106818553A
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- 241000252229 Carassius auratus Species 0.000 title claims abstract description 79
- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 60
- 238000009395 breeding Methods 0.000 title claims abstract description 22
- 230000001488 breeding effect Effects 0.000 title claims abstract description 22
- 238000011534 incubation Methods 0.000 claims abstract description 14
- 230000009027 insemination Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000012286 potassium permanganate Substances 0.000 claims description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims description 21
- 230000001954 sterilising effect Effects 0.000 claims description 17
- 239000005556 hormone Substances 0.000 claims description 15
- 229940088597 hormone Drugs 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 241000251468 Actinopterygii Species 0.000 claims description 10
- 102000002322 Egg Proteins Human genes 0.000 claims description 9
- 108010000912 Egg Proteins Proteins 0.000 claims description 9
- 244000068988 Glycine max Species 0.000 claims description 9
- 235000010469 Glycine max Nutrition 0.000 claims description 9
- 235000013305 food Nutrition 0.000 claims description 9
- 210000002969 egg yolk Anatomy 0.000 claims description 8
- 239000008267 milk Substances 0.000 claims description 8
- 235000013336 milk Nutrition 0.000 claims description 8
- 210000004080 milk Anatomy 0.000 claims description 8
- 238000006213 oxygenation reaction Methods 0.000 claims description 8
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 235000013345 egg yolk Nutrition 0.000 claims description 5
- 210000003746 feather Anatomy 0.000 claims description 5
- 230000012447 hatching Effects 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 235000013601 eggs Nutrition 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 210000004681 ovum Anatomy 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- 229930003427 Vitamin E Natural products 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 230000002196 ecbolic effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000000638 stimulation Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 210000000115 thoracic cavity Anatomy 0.000 claims description 3
- 229930003231 vitamin Natural products 0.000 claims description 3
- 239000011782 vitamin Substances 0.000 claims description 3
- 229940088594 vitamin Drugs 0.000 claims description 3
- 235000013343 vitamin Nutrition 0.000 claims description 3
- 229940046009 vitamin E Drugs 0.000 claims description 3
- 235000019165 vitamin E Nutrition 0.000 claims description 3
- 239000011709 vitamin E Substances 0.000 claims description 3
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 3
- -1 daily Feed 2 times Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 239000002574 poison Substances 0.000 claims 1
- 231100000614 poison Toxicity 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 241000252233 Cyprinus carpio Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000000215 hyperchromic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001247197 Cephalocarida Species 0.000 description 1
- 241000239250 Copepoda Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 241000700141 Rotifera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 210000000006 pectoral fin Anatomy 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
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- 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
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- 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
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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)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to the breeding of red pearlscale dove-tail form grass goldfish and selection, it is comprised the following steps：(1), parent population selection；(2), artificial propagation and artificial insemination；(3), artificial incubation；(4), early stage is cultivated；(5), one-level is preferably cultivated with the later stage；(6), two grades preferably with later stage intensive culture.Red pearlscale dove-tail form grass goldfish breeding of the invention is excellent with the red pearlscale dove-tail form grass goldfish individual line of selection institute seed selection, and muscle is full, in bright gay color, and the bodily form is symmetrically graceful, and varietal characteristic is obvious.
Description
Technical field
The invention belongs to ornamental fish reproduction technique field, it is related to breeding and the selection of a kind of grass goldfish, more particularly to
A kind of red pearlscale dove-tail form grass goldfish breeding and selection.
Background technology
The body of dovetail grass goldfish is short and tail speciality, and tail fin is about the 2/3 or 1/2 of fish body total length, bifurcated behind tail fin.In flower
On color, there are red, red white, sparkling, five colours etc..Existing kind, based on red dovetail, red white dove-tail form.Personality is active, easily raises
Support, be the traditional ornamental fish kind of China, be also one of China's fancy fishes main exit kind.
Containing more calcareous in the scale of pearlscale dovetail grass goldfish, scale is hemispherical, the squama transparent squama of aspect point and
Opaque squama amphitypy.In existing dovetail grass goldfish, the change of scale is rare, and red pearlscale dove-tail form grass goldfish is to view and admire essence
Product.
Red pearlscale dove-tail form grass goldfish has splendid ornamental value, but must be by strict artificial propagation and choosing
Technical measures are educated, its stabilization and prominent proterties could be obtained.Existing breeding and breeding technique are difficult to be stablized and protrude
The red pearlscale dove-tail form grass goldfish of proterties.
In view of the above-mentioned technological deficiency of prior art, in the urgent need to developing a kind of the numerous of red pearlscale dove-tail form grass goldfish
Grow and selection.
The content of the invention
It is an object of the invention to overcome shortcoming present in prior art, there is provided a kind of red pearlscale dove-tail form grass gold
Fish breeds and selection, and the method is obtained in that the red pearlscale dove-tail form grass goldfish of stabilization and prominent proterties.
To achieve these goals, the present invention provides following technical scheme：
A kind of red pearlscale dove-tail form grass goldfish breeding and selection, it is characterised in that comprise the following steps：
(1), parent population selection
The selection red white dovetail grass goldfish of female and male red pearlscale goldfish are parent population, wherein, the parent population age be 2 ages and
The specification of parent population is：The weight of the red white dovetail grass goldfish of female is 100-150g/ tails；The length of male red pearlscale goldfish is
＞ 12cm/ tails；
(2), artificial propagation and artificial insemination
It is the first tenday period of a month in late April to May, female red by what is chosen afterwards with potassium permanganate sterilization spawning pond when water temperature is up to 20 DEG C
White dovetail grass goldfish is 1 by mantissa's ratio with male red pearlscale goldfish：2 ratio carries out putting close in a suitable place to breed in combo and spawning pond
It is 4-5 tails/m to spend3；Artificial induced spawning hormone is injected separately into, the dosage of artificial induced spawning hormone is：Every kilogram of red white dovetail of female
Grass goldfish uses 3ug LHRH-A2With 1mg DOM, the implantation dosage of the artificial induced spawning hormone of male red pearlscale goldfish subtracts
Half；
After parent population is injected into oxytocic hormone, give micro- stimulation by running water, 20 DEG C of water temperature, parent population generation heat effect after 8-10h
At once, the red white dovetail grass goldfish of female and male red pearlscale goldfish are taken respectively, while pushing belly, extrude sperm and ovum
To in the small washbasin sterilized, inseminated from water dry method, and be gently agitated for uniformly with feather rod；
(3), artificial incubation
After 15min, by the embryonated egg in small washbasin, with feather rod, gently Quick uniform sprinkles the hatching net in hatchery
In case, Lentic hatching is carried out, after the completion of, the U.S. graceful sterilization of splashing in full pond is used in conjunction 3 days, and 1/6 is changed after each medication 30min
Water, prevents saprolegniasis from occurring；Starting microfiltration formula aerator carries out oxygenation；20 DEG C of water temperature, can hatch prelarva after 5 days, middle
Splashed once with potassium permanganate；After prelarva hatches 3 days, full pond is uniformly splashed egg yolk slurries 1 time daily, treats prelarva Burden-Swimming Ability of KM
When turning strong, incubation net cage is withdrawn from, prelarva is transferred to carries out early stage cultivation in hatchery；
(4), early stage is cultivated
Early stage is cultivated and carried out in hatchery, and daily upper and lower noon full pond is uniformly splashed soya-bean milk 2 times；Fed after about one week outer
Source property living body bait；By the cultivation more than 20 days, prelarva body is long when reaching 3cm, is transferred to one-level and is preferably cultivated with the later stage；
(5), one-level is preferably cultivated with the later stage
Screened comprehensively from hatchery, by condition it is excellent, that the bodily form is graceful, physically fit grass goldfish carries out one-level is excellent
Choosing, the beginning later stage cultivates in being transferred to culture pond；Enter the thorough cleaning sterilization of culture pond before pond with potassium permanganate, breeding density is
400 tails/m3, artificial grain's feed is fed, the tame and docile food of 3 days is first carried out, feed daily 2 times, regularly feed, feeding rate is according to fish body
Upgrowth situation is adjusted in time, and daily ration, feeding quantity is controlled as strict as possible, can not be satiated；
(6), two grades preferably with later stage intensive culture
Monthly full culture pond carry out one time two grades preferably, the high-class product of condition high, big specification is selected into aquarium to be carried out
Later stage intensive culture；The breeding density of later stage intensive culture is the tail of every case 100, feeds the artificial grain's feed that with the addition of vitamin medicaments,
Feed 2 times daily, water 10-20% is changed daily.
Further, wherein, in the step (2), the size of spawning pond is 4m × 2m × 1m, and by the red white dovetail of female
Grass goldfish is respectively put into the spawning pond in the small-sized net cage of the lattice of decile two with male red pearlscale goldfish, and sterilization spawning pond is used
The consumption of potassium permanganate is 5g/m3。
Further, wherein, in the step (2), disposably injected using thoracic cavity during injection artificial induced spawning hormone
The water velocity of mode and miniflow water is 0.02-0.04m/s.
On the other hand, wherein, in the step (3), the size of hatchery is 3m × 4m × 1m, and the depth of water is 0.8m, hatching
2 sizes of 60 mesh of suspension of being connected in pond are the incubation net cage of 2m × 3m × 0.5m, and bottom is 0.25m away from the water surface.
Further, wherein, in the step (3), the U.S. graceful consumption of sterilization is 15mg/L, and the consumption of potassium permanganate is
5mg/L。
Further, wherein, in the step (3), after prelarva hatches 3 days, daily 10：When 00 full pond uniformly splash through
The egg yolk slurries of 100 mesh sieve cloth filtering 1 time, feeding volume is 1 yolk/100,000 seedling.
Yet further, wherein, in the step (4), every morning 9：00th, afternoon 3：00 full pond is uniformly splashed soya-bean milk 2
Secondary, each feeding volume is 2-4g/m2；The external source living body bait feed before with 5% saline solution soaking disinfection 1min；Often it is preordained
When, quantitative, multiple spot feeds, and is regularly every morning 9：00th, afternoon 3：00, quantitative to rob, to be eaten up in food 2h be degree, and multiple spot refers to
4-5 is set to feed a little.
Yet another aspect, wherein, in the step (5), the size of culture pond is 3m × 4m × 1m, and the depth of water is 0.5m；Enter
With the potassium permanganate of 10mg/L by the thorough cleaning sterilization of culture pond before culture pond；Every morning 9：00 and afternoon 3：00 timing is thrown
Hello, feeding volume is degree to have been eaten in each 5min；The new water 5-10cm of note is changed after feeding every afternoon；It was found that floating head, cloudy day and night
Between want oxygenation.
Further, wherein, in the step (6), by red pearlscale dove-tail form protrude and specification ﹥ 3cm high-class product
Size is selected into carry out later stage intensive culture in 0.5m × 1m × 0.5m aquariums；0.1% ratio of addition is fed during later stage intensive culture
Artificial grain's feed of B B-complex C and vitamin E, every morning 9:00 and afternoon 3:00 respectively feeds 1 time, still by robbing food journey
Degree is degree to have been eaten in each 5min；Residual, secondary, sick fish is removed at any time, it is ensured that the health and high-quality of grass goldfish in case.
Further, wherein, the specification of the grass goldfish after intensive culture is 6-7cm.
Compared with prior art, red pearlscale dove-tail form grass goldfish breeding of the invention has with selection and has as follows
Beneficial technique effect：Red pearlscale type grass goldfish breeding of the invention and the red pearlscale dove-tail form grass gold of selection seed selection
Fish individual line is excellent, and muscle is full, in bright gay color, and the bodily form is symmetrically graceful, and varietal characteristic is obvious.
Specific embodiment
With reference to embodiment, the present invention is further described, and the content of embodiment is not as to protection scope of the present invention
Limitation.
The present invention relates to a kind of red pearlscale dove-tail form grass goldfish breeding and selection, it is comprised the following steps：
First, parent population selection
The red white dovetail grass goldfish of selection female and male red pearlscale goldfish are parent population.Wherein, the parent population age be 2 ages and
The specification of parent population is：The weight of the red white dovetail grass goldfish of female is 100-150g/ tails；The length of male red pearlscale goldfish is
＞ 12cm/ tails.
Also, in the present invention, it is preferred to, the parent population of selection requires that strain is excellent, and the bodily form is symmetrical, bright in luster, muscle
Full, physically fit without sick and wounded, varietal characteristic is obvious.
2nd, artificial propagation and artificial insemination
Before artificial propagation and artificial insemination, the differentiation of female milter is carried out.Female milter differentiating method is：Hand touches the gill cover
Or during pectoral fin bar, feel to have harsh feeling star-pursuing is milter, raun then without；Can also be by touching belly whether there is the ripe seminal fluid of outflow
Or ovum inspection is distinguished.
After having distinguished female milter, in the first tenday period of a month in late April to May, when water temperature is up to 20 DEG C, sterilized spawning pond with potassium permanganate.
Wherein, the size of spawning pond is 4m × 2m × 1m, and two are placed in the spawning pond by the small of spawning pond bisection
Net cage.The consumption of sterilization spawning pond potassium permanganate is 5g/m3, it is, potassium permanganate of every cubic metre of the spawning pond with 5g
Carry out disinfection.So, whole spawning pond needs 40g potassium permanganate.
The female red white dovetail grass goldfish that will be chosen after sterilization is 1 by mantissa's ratio with male red pearlscale goldfish：2
The breeding density that ratio carries out in combo and spawning pond is 4-5 tails/m3, so, about 12 tail rauns are put into whole spawning pond,
24 tail milters.Wherein, the red white dovetail grass goldfish of female and male red pearlscale goldfish are respectively put into the spawning pond etc.
Divide in the small-sized net cage of two lattice.
Also, before spawning pond is put into, artificial induced spawning hormone is injected separately into, the dosage of artificial induced spawning hormone is：
Every kilogram of red white dovetail grass goldfish of female uses 3ug LHRH-A2With 1mg DOM, the artificial induced spawning of male red pearlscale goldfish
The implantation dosage of hormone halves.In the present invention, during injection artificial induced spawning hormone by the way of thoracic cavity is disposably injected
After parent population is injected into oxytocic hormone, give micro- stimulation by running water.Preferably, the water velocity of miniflow water is 0.02-
0.04m/s.20 DEG C of water temperature, when parent population produces heat effect after 8-10h, takes the red white dovetail grass goldfish of female red with male respectively
Color pearlscale goldfish, while push belly, extrusion sperm and ovum in the small washbasin sterilized, carrying out from the insemination of water dry method,
And be gently agitated for uniformly with feather rod.
3rd, artificial incubation
The size of hatchery is 3m × 4m × 1m, and the depth of water is 0.8m.And 2 chis of 60 mesh of suspension of being connected in the hatchery
Very little is the incubation net cage of 2m × 3m × 0.5m, and bottom is 0.25m away from the water surface.After about 15min, by the embryonated egg plumage in small washbasin
In the hair rod incubation net cage that gently Quick uniform sprinkles in the hatchery (including the wall of net cage four), Lentic hatching is carried out.
After being put into incubation net cage, the U.S. graceful sterilization of splashing in full pond is used in conjunction 3 days, and 1/6 is changed after each medication 30min
Water, prevent saprolegniasis from occurring.Wherein, the graceful consumption of described U.S. be 15mg/L, that is, every liter of water in add 15mg it is U.S. graceful
Carry out disinfection.
In the process, starting microfiltration formula aerator carries out bubble oxygenation.Wherein, each wall of incubation net cage four outside
Respectively plus 1 small-sized micropore carbon-point carries out bubble oxygenation.Preferably, the power of the microfiltration formula aerator is 250W.Water temperature
20 DEG C, prelarva can be hatched after 5 days, centre potassium permanganate is splashed once, that is, with potassium permanganate sterilization one when the 3rd day
It is secondary.Wherein, the consumption of potassium permanganate is the potassium permanganate of addition 5mg in 5mg/L, that is, every liter of water.After prelarva hatches 3 days,
Full pond is uniformly splashed egg yolk slurries 1 time daily.Preferably, daily 10：What is filtered through 100 mesh sieve cloth uniformly splashed in full pond when 00
Egg yolk slurries 1 time, feeding volume is 1 yolk/100,000 seedling.When prelarva Burden-Swimming Ability of KM turns strong, it is, can be with horizontal attitude
After swimming, incubation net cage is withdrawn from, prelarva is transferred to carries out early stage cultivation in hatchery.
4th, early stage is cultivated
Early stage is cultivated and carried out in hatchery, and daily upper and lower noon full pond is uniformly splashed soya-bean milk 2 times.Preferably, every morning
9：00th, afternoon 3：00 respectively full pond uniformly splash soya-bean milk time, each feeding volume is 2-4g/m3, it is, being thrown in per cubic meter of water
Enter the soya-bean milk of 2-4g.Preferably, the soya-bean milk by soybean and water according to 1：10~1：12 weight ratio is made.By beans of splashing
Slurry, not only can directly provide bait but also the water quality that can foster and apply fertilizer in time.
Exogenous living body bait, such as wheel animalcule, cladocera, Copepods protozoan are fed after about one week.Preferably, it is described
External source living body bait feed before with 5% saline solution soaking disinfection 1min.Also, timing daily, quantitative, multiple spot feed, timing
It is every morning 9：00th, afternoon 3：00 feeds, and quantitative to rob, to be eaten up in food 2h be degree, and multiple spot refers to set 4-5 to feed a little.
Nurturing period keeps water quality " fertilizer ", " work ", " tender ", " refreshing " feature.By the cultivation more than 20 days, prelarva body is up to
During to 3cm, it is transferred to one-level and is preferably cultivated with the later stage.
5th, one-level is preferably cultivated with the later stage
Screened comprehensively from hatchery, by condition it is excellent, that the bodily form is graceful, physically fit grass goldfish carries out one-level is excellent
Choosing, the beginning later stage cultivates in being transferred to culture pond.Wherein, the size of culture pond is 3m × 4m × 1m, and the depth of water is 0.5m.Enter Chi Qianyong
Potassium permanganate is by the thorough cleaning sterilization of culture pond.Wherein, the consumption of potassium permanganate is 10mg/L, it is, being put into every liter of water
The potassium permanganate of 10mg.Breeding density is 400 tails/m3。
Artificial grain's feed is fed, the tame and docile food of 3 days is first carried out, fed daily 2 times, regularly fed.Wherein, what is fed is artificial
The dense hyperchromic feed of product fancy carp goldfish in pellet such as Zhoushan, is ground into particle diameter for 1.2-1.5mm.The timing feeds
It is every morning 9：00 and afternoon 3：00 timing feeds.Feeding rate is adjusted in time according to fish body upgrowth situation, and bait throwing in is controlled as strict as possible
Amount, can not satiate, and specifically, feeding volume is degree to have been eaten in each 5min.
Additionally, changing the new water 5-10cm of note after feeding every afternoon, that is, extract the deep water of 5-10cm out from culture pond, and
Injection 5-10cm deep new water.Meanwhile, in cultivating process, it is found that floating head, cloudy day and night want oxygenation.
6th, two grades preferably with later stage intensive culture
Monthly full culture pond carry out one time two grades preferably, the high-class product of condition high, big specification is selected into aquarium to be carried out
Later stage intensive culture.Specifically, the condition high, the standard of the high-class product of big specification are that red pearlscale dove-tail form is protruded and specification,
Namely length ﹥ 3cm.Also, the size of the aquarium is 0.5m × 1m × 0.5m.
The breeding density of later stage intensive culture is the tail of every case 100, feeds the artificial grain's feed that with the addition of vitamin medicaments.Tool
Body ground, feeds the B B-complex C and vitamin E of 0.1% ratio of addition (such as during later stage intensive culture：The favorite biotechnology in Wuxi
Co., Ltd's product) artificial grain's feed (such as：The dense hyperchromic feed of product fancy carp goldfish in Zhoushan, particle diameter selection
1.5mm-2.8mm), feed daily 2 times, water 10-20% is changed daily.Wherein, every morning 9:00 and afternoon 3:00 respectively feeds 1
It is secondary, it is degree still by food degree is robbed to have been eaten in each 5min.Also, residual bait, excrement are cleared up in time, in time start oxygenation and mistake
Filter；Residual, secondary, sick fish is removed at any time, it is ensured that the health and high-quality of grass goldfish in case.
The specification of the grass goldfish after intensive culture, that is, length is 6-7cm.
Certainly, the red pearlscale dove-tail form grass goldfish of more than 90% stabilization heredity is obtained, must also be through F1 → F5 generations
Backcrossing and traversed by technology carry out seed selection.This is follow-up breeding technique, is not emphasis of the invention, therefore do not retouched in detail herein
State.
Red pearlscale dove-tail form grass goldfish breeding of the invention and the red pearlscale dove-tail form grass of selection seed selection
Goldfish individual line is excellent, and muscle is full, in bright gay color, and the bodily form is symmetrically graceful, and varietal characteristic is obvious.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Implementation method restriction.For those of ordinary skill in the field, can also make on the basis of the above description
The change or variation of other multi-forms.Here all of implementation method cannot be exhaustive.It is every to belong to skill of the invention
Obvious change that art scheme is extended out changes row still in protection scope of the present invention.
Claims (10)
1. a kind of red pearlscale dove-tail form grass goldfish is bred and selection, it is characterised in that comprised the following steps：
(1), parent population selection
The red white dovetail grass goldfish of selection female and male red pearlscale goldfish are parent population, wherein, the parent population age is 2 ages and parent population
Specification be：The weight of the red white dovetail grass goldfish of female is 100-150g/ tails；The length of male red pearlscale goldfish is ＞
12cm/ tails；
(2), artificial propagation and artificial insemination
The first tenday period of a month in late April to May, when water temperature is up to 20 DEG C, with potassium permanganate sterilization spawning pond, the female red white swallow that will be chosen afterwards
Tail grass goldfish is 1 by mantissa's ratio with male red pearlscale goldfish：The breeding density that 2 ratio is carried out in combo and spawning pond is
4-5 tails/m3；Artificial induced spawning hormone is injected separately into, the dosage of artificial induced spawning hormone is：Every kilogram of red white Herba Passiflorae Cupiformis gold of female
Fish uses 3ug LHRH-A2With 1mg DOM, the implantation dosage of the artificial induced spawning hormone of male red pearlscale goldfish halves；
After parent population is injected into oxytocic hormone, give micro- stimulation by running water, 20 DEG C of water temperature, when parent population produces heat effect after 8-10h,
The red white dovetail grass goldfish of female and male red pearlscale goldfish are taken respectively, while push belly, extrusion sperm and ovum are to disappearing
In the small washbasin that poison is crossed, inseminated from water dry method, and be gently agitated for uniformly with feather rod；
(3), artificial incubation
After 15min, by the embryonated egg in small washbasin, with feather rod, gently Quick uniform is sprinkled in the incubation net cage in hatchery,
Lentic hatching is carried out, after the completion of, the U.S. graceful sterilization of splashing in full pond is used in conjunction 3 days, and 1/6 water is changed after each medication 30min, is prevented
Sealing mildew occurs；Starting microfiltration formula aerator carries out oxygenation；20 DEG C of water temperature, can hatch prelarva, centre Gao Meng after 5 days
Sour potassium is splashed once；After prelarva hatches 3 days, full pond is uniformly splashed egg yolk slurries 1 time daily, treats that prelarva Burden-Swimming Ability of KM turns strong
When, incubation net cage is withdrawn from, prelarva is transferred to carries out early stage cultivation in hatchery；
(4), early stage is cultivated
Early stage is cultivated and carried out in hatchery, and daily upper and lower noon full pond is uniformly splashed soya-bean milk 2 times；Exogenous work is fed after one week
Body bait；By the cultivation more than 20 days, prelarva body is long when reaching 3cm, is transferred to one-level and is preferably cultivated with the later stage；
(5), one-level is preferably cultivated with the later stage
Screened comprehensively from hatchery, by condition it is excellent, the bodily form is graceful, physically fit grass goldfish carry out one-level preferably,
The beginning later stage cultivates in being transferred to culture pond；Enter the thorough cleaning sterilization of culture pond before pond with potassium permanganate, breeding density is 400
Tail/m3, artificial grain's feed is fed, the tame and docile food of 3 days is first carried out, feed daily 2 times, regularly feed, feeding rate is given birth to according to fish body
Situation long is adjusted in time, and daily ration, feeding quantity is controlled as strict as possible, can not be satiated；
(6), two grades preferably with later stage intensive culture
Monthly full culture pond carry out one time two grades preferably, the high-class product of condition high, big specification is selected into aquarium carries out the later stage
Intensive culture；The breeding density of later stage intensive culture is the tail of every case 100, feeds the artificial grain's feed that with the addition of vitamin medicaments, daily
Feed 2 times, water 10-20% is changed daily.
2. red pearlscale dove-tail form grass goldfish according to claim 1 is bred and selection, it is characterized in that, the step
Suddenly in (2), the size of spawning pond is 4m × 2m × 1m, and the red white dovetail grass goldfish of female is divided with male red pearlscale goldfish
It is not put into the spawning pond in the small-sized net cage of the lattice of decile two, the consumption of spawning pond potassium permanganate of sterilizing is 5g/m3。
3. red pearlscale dove-tail form grass goldfish according to claim 2 is bred and selection, it is characterized in that, the step
Suddenly in (2), the water velocity that mode that thoracic cavity disposably injects and miniflow water are used during injection artificial induced spawning hormone is 0.02-
0.04m/s。
4. red pearlscale dove-tail form grass goldfish according to claim 1 is bred and selection, it is characterized in that, the step
Suddenly in (3), the size of hatchery is 3m × 4m × 1m, and the depth of water is 0.8m, and 2 sizes of 60 mesh of suspension of being connected in hatchery are 2m
The incubation net cage of × 3m × 0.5m, bottom is 0.25m away from the water surface.
5. red pearlscale dove-tail form grass goldfish according to claim 4 is bred and selection, it is characterized in that, the step
Suddenly in (3), the U.S. graceful consumption of sterilization is 15mg/L, and the consumption of potassium permanganate is 5mg/L.
6. red pearlscale dove-tail form grass goldfish according to claim 5 is bred and selection, it is characterized in that, the step
Suddenly in (3), after prelarva hatches 3 days, daily 10：Full pond is uniformly splashed the egg yellow liquor 1 time filtered through 100 mesh sieve cloth when 00, is thrown
The amount of feeding is 1 yolk/100,000 seedling.
7. red pearlscale dove-tail form grass goldfish according to claim 1 is bred and selection, it is characterized in that, the step
Suddenly in (4), every morning 9：00th, afternoon 3：00 full pond is uniformly splashed soya-bean milk 2 times, and each feeding volume is 2-4g/m2；The external source
Living body bait feed before with 5% saline solution soaking disinfection 1min；Timing daily, quantitative, multiple spot feeds, and is regularly every morning
9：00th, afternoon 3：00, quantitative to rob, to be eaten up in food 2h be degree, and multiple spot refers to set 4-5 to feed a little.
8. red pearlscale dove-tail form grass goldfish according to claim 1 is bred and selection, it is characterized in that, the step
Suddenly in (5), the size of culture pond is 3m × 4m × 1m, and the depth of water is 0.5m；To be trained with the potassium permanganate of 10mg/L before entering culture pond
Educate the thorough cleaning sterilization in pond；Every morning 9：00 and afternoon 3：00 timing feeds, and feeding volume is degree to have been eaten in each 5min；Often
The new water 5-10cm of note is changed after feeding its afternoon；It was found that raising the nose above water to breathe, cloudy day and night want oxygenation.
9. red white chimera swallow type tail grass goldfish according to claim 1 is bred and selection, it is characterized in that, the step
(6) in, red pearlscale dove-tail form is protruded and the high-class product of specification ﹥ 3cm is selected into size for 0.5m × 1m × 0.5m aquariums
In carry out later stage intensive culture；The B B-complex C of 0.1% ratio of addition and the artificial grain of vitamin E are fed during later stage intensive culture
Feed, every morning 9:00 and afternoon 3:00 respectively feeds 1 time, is degree still by food degree is robbed to have been eaten in each 5min；It is clear at any time
Except residual, secondary, sick fish, it is ensured that the health and high-quality of grass goldfish in case.
10. red pearlscale dove-tail form grass goldfish according to claim 9 is bred and selection, it is characterized in that, intensive culture
The specification of grass goldfish afterwards is 6-7cm.
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| CN105660478A (en) * | 2015-09-30 | 2016-06-15 | 江西省水产科学研究所 | Method for goldfish self-reproduction in parent fish aquarium |
| CN106172119A (en) * | 2016-07-15 | 2016-12-07 | 天津现代晨辉科技集团有限公司 | Grass goldfish breeding and the method for selection-breeding |
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| CN106172119A (en) * | 2016-07-15 | 2016-12-07 | 天津现代晨辉科技集团有限公司 | Grass goldfish breeding and the method for selection-breeding |
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