CN106818554B - One kind five spends imperial eyeball dove-tail form grass goldfish breeding and selection - Google Patents
One kind five spends imperial eyeball dove-tail form grass goldfish breeding and selection Download PDFInfo
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- CN106818554B CN106818554B CN201710040081.1A CN201710040081A CN106818554B CN 106818554 B CN106818554 B CN 106818554B CN 201710040081 A CN201710040081 A CN 201710040081A CN 106818554 B CN106818554 B CN 106818554B
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- 210000005252 bulbus oculi Anatomy 0.000 title claims abstract description 24
- 238000011534 incubation Methods 0.000 claims abstract description 13
- 230000009027 insemination Effects 0.000 claims abstract description 5
- 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 19
- 239000005556 hormone Substances 0.000 claims description 14
- 229940088597 hormone Drugs 0.000 claims description 14
- 241000251468 Actinopterygii Species 0.000 claims description 12
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- 102000002322 Egg Proteins Human genes 0.000 claims description 10
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- 239000003814 drug Substances 0.000 claims description 6
- 235000013345 egg yolk Nutrition 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 210000003746 feather Anatomy 0.000 claims description 5
- 230000012447 hatching Effects 0.000 claims description 5
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- 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
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- 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
- 238000002513 implantation Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000000638 stimulation Effects 0.000 claims description 3
- 210000000115 thoracic cavity Anatomy 0.000 claims description 3
- 229930003231 vitamin Natural products 0.000 claims description 3
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- 229940088594 vitamin Drugs 0.000 claims description 3
- 239000011718 vitamin C Substances 0.000 claims description 3
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- 239000011709 vitamin E Substances 0.000 claims description 3
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
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- 210000003205 muscle Anatomy 0.000 abstract description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
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- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 241000700141 Rotifera Species 0.000 description 1
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- 210000001508 eye Anatomy 0.000 description 1
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- 238000009400 out breeding Methods 0.000 description 1
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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
-
- 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)
- Fodder In General (AREA)
Abstract
The present invention relates to five to spend imperial eyeball dove-tail form grass goldfish to breed and selection comprising following steps: (1), parent population selection；(2), artificial propagation and artificial insemination；(3), artificial incubation；(4), early period cultivates；(5), level-one is preferably cultivated with the later period；(6), second level preferably with later period intensive culture.Of the invention five spend the breeding of imperial eyeball dove-tail form grass goldfish to spend imperial eyeball dove-tail form grass goldfish individual line excellent with the five of selection institute breeding, and muscle is full, and in bright gay color, 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
One kind five spends imperial eyeball dove-tail form grass goldfish breeding and selection.
Background technique
The body of dovetail grass goldfish is short and tail speciality, tail fin are about the 2/3 or 1/2 of fish body overall 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
It supports, is one of the traditional ornamental fish kind in China and China's fancy fishes main exit kind.
The eyes of imperial eyeball dovetail grass goldfish are big and protrude.In existing dovetail grass goldfish, the variation of ocular form is rare, five Hua Long
Eyeball dove-tail form grass goldfish is ornamental fine work.
Five spend imperial eyeball dove-tail form grass goldfish to have splendid ornamental value, but must pass through stringent artificial propagation and breeding
Technical measures could obtain it and stablize and character outstanding.Existing breeding and breeding technique is difficult to be stablized and high-lighting
The five of shape spend imperial eyeball dove-tail form grass goldfish.
In view of the above-mentioned technological deficiency of the prior art, the breeding of imperial eyeball dove-tail form grass goldfish is spent there is an urgent need to develop one kind five
With selection.
Summary of the invention
It is an object of the invention to overcome disadvantage existing in the prior art, one kind five is provided and spends imperial eyeball dove-tail form grass goldfish
Breeding and selection, what character can be stablized and be protruded to this method five spends imperial eyeball dove-tail form grass goldfish.
To achieve the goals above, the invention provides the following technical scheme:
One kind five spends imperial eyeball dove-tail form grass goldfish breeding and selection, which comprises the following steps:
(1), parent population selects
Selecting five flower dovetail grass goldfish of female and the red telescope goldfish of male is parent population, wherein the parent population age is 2 ages and parent
The specification of fish are as follows: the weight of five flower dovetail grass goldfish of female is 100-150g/ tail；The length of male red telescope goldfish is >
12cm/ tail；
(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, sterilize spawning pond, the female five that will be chosen later with potassium permanganate
Flower dovetail grass goldfish and the red telescope goldfish of male are carried out the breeding density in combo and spawning pond in mantissa than the ratio for 1:2
For 4-5 tail/m3；It is injected separately into artificial induced spawning hormone, the dosage of artificial induced spawning hormone are as follows: every kilogram of flower Herba Passiflorae Cupiformis of female five
Goldfish uses 3ug LHRH-A2Halve with the implantation dosage of 1mg DOM, the artificial induced spawning hormone of male red telescope goldfish；
After parent population is injected oxytocic hormone, give micro- stimulation by running water, 20 DEG C of water temperature, parent population generates heat effect after 8-10h
At once, five flower dovetail grass goldfish of female and the red telescope goldfish of male are taken respectively, while pushing abdomen, squeeze out sperm and ovum arrives
In the small washbasin sterilized, inseminate from water dry method, and be gently agitated for uniformly with feather stick；
(3), artificial incubation
After 15min, by the fertilized eggs in small washbasin, with feather stick, gently Quick uniform sprinkles the hatching net into hatchery
In case, Lentic hatching is carried out, after the completion, the graceful disinfection of splashing of full pond U.S. is used in conjunction 3 days, changes 1/6 after each medication 30min
Water prevents saprolegniasis；It starts microfiltration formula aerator and carries out oxygenation；Prelarva can be hatched after 20 DEG C of water temperature, 5 days, it is intermediate
It spilled once with potassium permanganate；After prelarva hatches 3 days, full pond is uniformly splashed egg yolk slurries 1 time daily, to prelarva Burden-Swimming Ability of KM
When turning strong, incubation net cage is withdrawn from, prelarva is transferred to progress cultivation early period in hatchery；
(4), early period cultivates
Early period, cultivation carried out in hatchery, and full pond of upper and lower noon is uniformly splashed soya-bean milk 2 times daily；It about feeds after a week outer
Source property living body bait；By being greater than cultivation in 20 days, when prelarva body length reaches 3cm, it is transferred to level-one and is preferably cultivated with the later period；
(5), level-one is preferably cultivated with the later period
It is screened comprehensively from hatchery, grass goldfish progress level-one condition is excellent, that the bodily form is graceful, physically fit is excellent
Choosing is transferred in culture pond and starts later period cultivation；Enter Chi Qianyong potassium permanganate for the thorough cleaning sterilization of culture pond, breeding density is
400 tails/m3, artificial grain's feed is fed, 3 days tame and docile foods is first carried out, feeds 2 times, periodically feed, feeding rate is according to fish body daily
Upgrowth situation adjusts in time, controls daily ration, feeding quantity as strict as possible, can not satiate；
(6), second level preferably with later period intensive culture
Monthly second level of full culture pond progress is preferred, and the high-class product of Gao Pinxiang, big specification are selected into aquarium and carried out
Later period intensive culture；The breeding density of later period intensive culture is every 100 tail of case, feeds the artificial grain's feed for being added to vitamin medicaments,
It feeds 2 times daily, changes water 10-20% daily.
Further, wherein in the step (2), the size of spawning pond is 4m × 2m × 1m, and female five is spent dovetail
Grass goldfish and the red telescope goldfish of male are respectively put into the spawning pond in the small-sized net cage of two lattice of equal part, and disinfection spawning pond is high
The dosage of potassium manganate is 5g/m3。
Further, wherein in the step (2), disposably injected when injecting artificial induced spawning hormone using thoracic cavity
Mode and the water velocity of miniflow water are 0.02-0.04m/s.
On the other hand, wherein in the step (3), the size of hatchery is 3m × 4m × 1m, depth of water 0.8m, hatching
Series connection 2 60 purposes of suspension are 0.20m away from the water surface having a size of 2m × 3m × 0.5m incubation net cage, bottom in pond.
Further, wherein in the step (3), disinfection is 15mg/L with the graceful dosage of U.S., and the dosage of potassium permanganate is
5mg/L。
Further, wherein in the step (3), after prelarva hatches 3 days, when daily 10:00 full pond uniformly splash through
Egg yolk slurries 1 time of 100 mesh cloth filtering, feeding volume are 1 yolk/100,000 seedlings.
Still further, wherein, in the step (4), every morning 9:00, the full pond 3:00 in afternoon uniformly splash 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 is fed, be periodically every morning 9:00,3:00 in afternoon, quantitative to be eaten up with robbing in food 2h as degree, multiple spot refers to
Setting 4-5 feed a little.
Yet another aspect, wherein in the step (5), the size of culture pond is 3m × 4m × 0.8m, depth of water 0.5m；
Use the potassium permanganate of 10mg/L by the thorough cleaning sterilization of culture pond before entering culture pond；Every morning 9:00 and 3:00 timing in afternoon are thrown
Hello, feeding volume is degree to have eaten in each 5min；The new water 5-10cm of note is changed after feeding every afternoon；It was found that raising the nose above water to breathe, cloudy and night
Between want oxygenation.
Further, wherein in the step (6), spend imperial eyeball dove-tail form prominent for five and the high-class product of specification ﹥ 3cm selects
Enter having a size of progress later period intensive culture in 0.5m × 1m × 0.5m aquarium；Answering for 0.1% ratio of addition is fed during later period intensive culture
Close artificial grain's feed of vitamin C and vitamin E, every morning 9:00 and 3:00 in afternoon respectively feed 1 time, still by robbing food degree
It is degree to have been eaten in each 5min；Residual, secondary, sick fish is removed at any time, the health and high-quality of grass goldfish in guard box.
Further, wherein the specification of the grass goldfish after intensive culture is 6-7cm.
Compared with prior art, of the invention five to spend imperial eyeball dove-tail form grass goldfish breeding to have with selection beneficial as follows
Technical effect: the five of the breeding of red pearlscale type grass goldfish and selection breeding of the invention spend imperial eyeball dove-tail form grass goldfish
Body strain is excellent, and muscle is full, in bright gay color, and the bodily form is symmetrically graceful, and varietal characteristic is obvious.
Specific embodiment
Below 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 one kind five to spend imperial eyeball dove-tail form grass goldfish breeding and selection comprising following steps:
One, parent population selects
Selecting five flower dovetail grass goldfish of female and the red telescope goldfish of male is parent population.Wherein, the parent population age is 2 ages and parent
The specification of fish are as follows: the weight of five flower dovetail grass goldfish of female is 100-150g/ tail；The length of male red telescope goldfish is >
12cm/ tail.
Also, in the present invention, it is preferred to which the parent population of selection requires strain excellent, the bodily form is symmetrical, bright in luster, muscle
Full, physically fit without sick and wounded, varietal characteristic is obvious.
Two, artificial propagation and artificial insemination
Before artificial propagation and artificial insemination, the differentiation of female milter is carried out.Female milter differentiating method are as follows: hand touches the gill cover
Or when pectoral fin, feeling to have harsh feeling star-pursuing is milter, raun then without；It can also whether there is or not flow out mature sperm by touching abdomen
Or ovum inspection is distinguished.
After having distinguished female milter, the first tenday period of a month in late April to May when water temperature is up to 20 DEG C, sterilize spawning pond with potassium permanganate.
Wherein, the size of spawning pond be 4m × 2m × 1m, and in the spawning pond place two the spawning pond is halved it is small
Net cage.The dosage for sterilizing spawning pond potassium permanganate is 5g/m3, it is, the potassium permanganate of every cubic metre of spawning pond 5g
It carries out disinfection.In this way, entire spawning pond needs 40g potassium permanganate.
Spend dovetail grass goldfish and the red telescope goldfish of male by mantissa than the ratio for 1:2 the female five chosen after disinfection
It is 4-5 tail/m that example, which carries out the breeding density in combo and spawning pond,3, in this way, about 12 tail rauns are put into entire spawning pond, 24
Tail milter.Wherein, five flower dovetail grass goldfish of female and the red telescope goldfish of male are respectively put into equal part two in the spawning pond
In the small-sized net cage of lattice.
Also, before putting into spawning pond, it is injected separately into artificial induced spawning hormone, the dosage of artificial induced spawning hormone are as follows:
Every kilogram of flower dovetail grass goldfish of female five uses 3ug LHRH-A2Swash with the artificial induced spawning of 1mg DOM, male red telescope goldfish
The implantation dosage of element halves.In the present invention, when injecting artificial induced spawning hormone in such a way that thoracic cavity is disposably injected
After parent population is injected 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 generates heat effect after 8-10h, take five flower dovetail grass goldfish of female and male red respectively
Color telescope goldfish, while abdomen is pushed, it squeezes out in sperm and ovum to the small washbasin sterilized, inseminate from water dry method, and
It is gently agitated for uniformly with feather stick.
Three, artificial incubation
The size of hatchery is 3m × 4m × 1m, depth of water 0.8m.And the ruler of 2 60 mesh is hung in series connection in the hatchery
Very little is 2m × 3m × 0.5m incubation net cage, and bottom is 0.20m away from the water surface.After about 15min, by the fertilized eggs plumage in small washbasin
Gently Quick uniform sprinkles in the incubation net cage in the hatchery (including four wall of net cage) hair stick, carries out Lentic hatching.
After being put into incubation net cage, the graceful disinfection of splashing of full pond U.S. is used in conjunction 3 days, changes 1/6 after each medication 30min
Water, prevent saprolegniasis.Wherein, the graceful dosage of the U.S. is that the U.S. of addition 15mg in 15mg/L, that is, every liter of water is graceful
It carries out disinfection.
In the process, it starts microfiltration formula aerator and carries out bubble oxygenation.Wherein, on the outside of each four wall of incubation net cage
Respectively plus 1 small-sized micropore carbon-point carries out bubble oxygenation.Preferably, the power of the microfiltration formula aerator is 250W.Water temperature
Prelarva can be hatched after 20 DEG C, 5 days, centre spilled once with potassium permanganate, that is, with potassium permanganate disinfection one when the 3rd day
It is secondary.Wherein, the dosage of potassium permanganate is the potassium permanganate that 5mg is added 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, full pond is uniformly splashed through the filtering of 100 mesh cloth when daily 10:00
Egg yolk slurries 1 time, feeding volume is 1 yolk/100,000 seedlings.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 progress cultivation early period in hatchery.
Four, early period cultivates
Early period, cultivation carried out in hatchery, and full pond of upper and lower noon is uniformly splashed soya-bean milk 2 times daily.Preferably, every morning
Full pond is uniformly splashed soya-bean milk time respectively by 9:00,3:00 in afternoon, and each feeding volume is 2-4g/m3, it is, being thrown in every cubic meter of water
Enter the soya-bean milk of 2-4g.Preferably, the soya-bean milk is made of soybean and water according to the weight ratio of 1:10~1:12.Pass through beans of splashing
Slurry, not only can directly provide bait but also the water quality that can increase fertilizer in time.
Exogenous living body bait, such as wheel animalcule, cladocera, Copepods protozoan are about fed after a week.Preferably, described
External source living body bait feed before with 5% saline solution soaking disinfection 1min.Also, timing daily, quantitative, multiple spot are fed, timing
It is fed for every morning 9:00,3:00 in afternoon, quantitative to be eaten up with robbing in food 2h as degree, multiple spot refers to that setting 4-5 feed a little.
Nurturing period keeps water quality " fertilizer ", " work ", " tender ", " refreshing " feature.By being greater than cultivation in 20 days, prelarva body is up to
When to 3cm, it is transferred to level-one and is preferably cultivated with the later period.
Five, level-one is preferably cultivated with the later period
It is screened comprehensively from hatchery, grass goldfish progress level-one condition is excellent, that the bodily form is graceful, physically fit is excellent
Choosing is transferred in culture pond and starts later period cultivation.Wherein, the size of culture pond is 3m × 4m × 0.8m, depth of water 0.5m.Before entering pond
With potassium permanganate by the thorough cleaning sterilization of culture pond.Wherein, the dosage of potassium permanganate is 10mg/L, it is, putting in every liter of water
Enter the potassium permanganate of 10mg.Breeding density is 400 tails/m3。
Artificial grain's feed is fed, 3 days tame and docile foods is first carried out, feeds 2 times, periodically feed daily.Wherein, what is fed is artificial
The dense hyperchromic feed of product fancy carp goldfish in pellet such as Zhoushan, being ground into particle diameter is 1.2-1.5mm.The timing is fed
It is fed for every morning 9:00 and 3:00 timing in afternoon.Feeding rate adjusts in time according to fish body upgrowth situation, controls bait throwing in as strict as possible
Amount, can not satiate, and specifically, feeding volume is degree to have eaten in each 5min.
In addition, changing the new water 5-10cm of note after feeding every afternoon, that is, extract the water of 5-10cm depth out from culture pond, and
Inject the new water of 5-10cm depth.Meanwhile in cultivating process, discovery is raised the nose above water to breathe, cloudy day and night want oxygenation.
Six, second level preferably with later period intensive culture
Monthly second level of full culture pond progress is preferred, and the high-class product of Gao Pinxiang, big specification are selected into aquarium and carried out
Later period intensive culture.Specifically, the high condition, big specification the standard of high-class product be five to spend imperial eyeball dove-tail form prominent and specification,
It is exactly length ﹥ 3cm.Also, the size of the aquarium is 0.5m × 1m × 0.5m.
The breeding density of later period intensive culture is every 100 tail of case, feeds the artificial grain's feed for being added to vitamin medicaments.Tool
Body, the multi-vitamins C and vitamin E that 0.1% ratio of addition is fed during later period intensive culture are (such as: 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), it feeds daily 2 times, changes water 10-20% daily.Wherein, every morning 9:00 and 3:00 in afternoon respectively feed 1
It is secondary, it is still degree to have been eaten in each 5min by food degree is robbed.Also, residual bait, excrement are cleared up in time, be switched on oxygenation and mistake in time
Filter；Residual, secondary, sick fish is removed at any time, the health and high-quality of grass goldfish in guard box.
The specification of grass goldfish after intensive culture, that is, length are 6-7cm.
Certainly, to obtain 90% or more stable heredity five spend imperial eyeball dove-tail form grass goldfish, must also returning through F1 → F5 generation
It hands over and traversed by technology carries out breeding.This is subsequent related breeding technique, is not emphasis of the invention, therefore is not carried out herein detailed
Description.
Of the invention five spend the five of imperial eyeball dove-tail form grass goldfish breeding and selection breeding to spend imperial eyeball dove-tail form grass 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 be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.Here all embodiments can not be exhaustive.It is all to belong to skill of the invention
The obvious changes or variations that art scheme is extended out are still in the scope of protection of the present invention.
Claims (1)
1. one kind five spends imperial eyeball dove-tail form grass goldfish breeding and selection, which comprises the following steps:
(1), parent population selects
Selecting five flower dovetail grass goldfish of female and the red telescope goldfish of male is parent population, wherein the parent population age is 2 ages and parent population
Specification are as follows: the weight of five flower dovetail grass goldfish of female is 100-150g/ tail；The length of male red telescope goldfish is > 12cm/
Tail；
(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, sterilize spawning pond, five Hua Yan of female that will be chosen later with potassium permanganate
It is 4- that tail grass goldfish and the red telescope goldfish of male, which carry out the breeding density in combo and spawning pond than the ratio for 1:2 in mantissa,
5 tails/m 3；It is injected separately into artificial induced spawning hormone, the dosage of artificial induced spawning hormone are as follows: every kilogram of flower Herba Passiflorae Cupiformis gold of female five
Fish uses 3ug LHRH-A2And 1mgDOM, the implantation dosage of the artificial induced spawning hormone of male red telescope goldfish halve；
After parent population is injected oxytocic hormone, give micro- stimulation by running water, 20 DEG C of water temperature, when parent population generates heat effect after 8-10h,
Five flower dovetail grass goldfish of female and the red telescope goldfish of male are taken respectively, while pushing abdomen, squeeze out sperm and ovum to disinfection
In the small washbasin crossed, inseminate from water dry method, and be gently agitated for uniformly with feather stick；
Wherein, the size of spawning pond is 4m × 2m × 1m, and female five is spent dovetail grass goldfish and the red telescope goldfish point of male
It is not put into the spawning pond in the small-sized net cage of two lattice of equal part, the dosage of disinfection spawning pond potassium permanganate is 5g/m 3；
And, wherein injection artificial induced spawning hormone when use thoracic cavity disposably to inject mode and miniflow water water velocity for
0.02-0.04m/s；
(3), artificial incubation
After 15min, by the fertilized eggs in small washbasin, with feather stick, gently Quick uniform is sprinkled in the incubation net cage into hatchery,
Lentic hatching is carried out, after the completion, the graceful disinfection of splashing of full pond U.S. is used in conjunction 3 days, 1/6 water is changed after each medication 30min, prevents
Sealing mildew occurs；
It starts microfiltration formula aerator and carries out oxygenation；Prelarva can be hatched after 20 DEG C of water temperature, 5 days, centre is splashed with potassium permanganate
Once；After prelarva hatches 3 days, full pond is uniformly splashed egg yolk slurries 1 time daily, when prelarva Burden-Swimming Ability of KM turns strong, is withdrawn from and is incubated
Change net cage, prelarva is transferred to progress cultivation early period in hatchery；
Wherein, sterilizing with the graceful dosage of U.S. is 15mg/L, and the dosage of potassium permanganate is 5mg/L；The size of hatchery is 3m × 4m
× 1m, depth of water 0.8m, in hatchery series connection 2 60 purposes of suspension having a size of 2m × 3m × 0.5m incubation net cage, bottom away from
The water surface is 0.20m；After prelarva hatches 3 days, when daily 10:00, full pond was uniformly splashed the egg yolk slurry 1 through the filtering of 100 mesh cloth
Secondary, feeding volume is 1 yolk/100,000 seedlings；
(4), early period cultivates
Early period, cultivation carried out in hatchery, and full pond of upper and lower noon is uniformly splashed soya-bean milk 2 times daily；Exogenous work is fed after a week
Body bait；By being greater than cultivation in 20 days, when prelarva body length reaches 3cm, it is transferred to level-one and is preferably cultivated with the later period；Every morning 9:
00, the full pond 3:00 in afternoon is uniformly splashed soya-bean milk 2 times, and each feeding volume is 2-4g/m 2；The external source living body bait feeds preceding use
5% saline solution soaking disinfection 1min；Timing daily, quantitative, multiple spot is fed, and is periodically every morning 9:00,3:00 in afternoon, fixed
Amount is eaten up with robbing in food 2h as degree, and multiple spot refers to that setting 4-5 feed a little；
(5), level-one is preferably cultivated with the later period
It is screened comprehensively from hatchery, grass goldfish progress level-one condition is excellent, that the bodily form is graceful, physically fit is preferred,
It is transferred in culture pond and starts later period cultivation；Enter Chi Qianyong potassium permanganate for the thorough cleaning sterilization of culture pond, breeding density 400
Tail/m 3 feeds artificial grain's feed, first carries out 3 days tame and docile foods, feeds 2 times, periodically feed daily, feeding rate is raw according to fish body
Long situation adjusts in time, controls daily ration, feeding quantity as strict as possible, can not satiate；The size of culture pond is 3m × 4m × 0.8m, depth of water 0.5m；
Use the potassium permanganate of 10mg/L by the thorough cleaning sterilization of culture pond before entering culture pond；Every morning 9:00 and 3:00 timing in afternoon are thrown
Hello, feeding volume is degree to have eaten in each 5min；The new water 5-10cm of note is changed after feeding every afternoon；It was found that raising the nose above water to breathe, cloudy and night
Between want oxygenation；
(6), second level preferably with later period intensive culture
Monthly second level of full culture pond progress is preferred, and the high-class product of Gao Pinxiang, big specification are selected into aquarium and carry out the later period
Intensive culture；The breeding density of later period intensive culture is every 100 tail of case, feeds the artificial grain's feed for being added to vitamin medicaments, daily
It feeds 2 times, changes water 10-20% daily；By five spend imperial eyeball dove-tail form prominent and the high-class product of specification ﹥ 3cm be selected into having a size of
Later period intensive culture is carried out in 0.5m × 1m × 0.5m aquarium；The multi-vitamins C of 0.1% ratio of addition is fed during later period intensive culture
With artificial grain's feed of vitamin E, every morning 9:00 and 3:00 in afternoon respectively feed 1 time, still by robbing food degree with each
It has been eaten in 5min as degree；Residual, secondary, sick fish is removed at any time, the health and high-quality of grass goldfish in guard box；Grass goldfish after intensive culture
Specification be 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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| 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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| 王春元.金鱼性状的由来.《生物学通报》.2007,第42卷(第12期),1-2页. * |
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