CN110269010A - The method of oriental cherry gold-plating goldfish germplasm initiative - Google Patents
The method of oriental cherry gold-plating goldfish germplasm initiative Download PDFInfo
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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
- A01K61/10—Culture of aquatic animals 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a kind of method of oriental cherry gold-plating goldfish germplasm initiative, include the following steps: that Juvenile stage, parent fish rearing, artificial induced spawning, artificial insemination, artificial incubation, young spray is cultivated, seed is screened.The method of oriental cherry gold-plating goldfish germplasm of the present invention initiative is targetedly bred and breeding to the requirement of parent population and the character that should have to oriental cherry gold-plating goldfish when detailing cultivation, and the character of obtained oriental cherry gold-plating goldfish is excellent, purification degrees height.
Description
Technical field
The present invention relates to goldfish to breed field, specifically, being a kind of method of Flos Rosae Laevigatae gold-plating goldfish germplasm initiative.
Background technique
Oriental cherry gold-plating goldfish is language goldfish, is one of goldfish text, egg, dragon, careless four major class, and language goldfish is various in style,
Pattern variation at most, has more than 50 kinds, wherein big component kind is the best selling variety enjoyed high reputation in the world at present.Body colour is mostly
Red, red white, purple, blue, yellow five kinds of colors etc..There is interior tumor on literary fish that the character variation of language fish mainly has body triangular in shape, head
Large meatball, the pearlscale that morphs of scale etc..Their color is more various, and the feature breed not waned is contained in formation long.For
The preferably ornamental degree of holding oriental cherry goldfish, needs to carry out stringent breeding and breeding.
Summary of the invention
The technical problem to be solved by the present invention is to, by the method for reciprocal cross using five flower gold-platings and red gold-plating as
Parent cultivates the stable new varieties of gene-oriental cherry gold-plating goldfish.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of initiative of oriental cherry gold-plating goldfish germplasm
Method, comprising the following steps:
(1) Juvenile stage
Selection male parent is the red gold-plating goldfish (♂) of short-tail hard shell, and female parent is soft five Hua Jinyu of squama (♀) of short-tail;
(2) parent culture
Parent culture filtered out the apparent healthy individuals of stabilization characteristics of genetics, varietal characteristic point since autumn upper one year
Male and female are put in a suitable place to breed, are replaced with artifical compound feed with the natural live bait of cladocera and are fed;Breeding density is age 8~9 tails of kind fish/m3,
Two age 4~5 tails of kind fish/m3, produce in the previous moon, it is primary to change water weekly, produces in the last week, it is primary to change water every other day, and use underground heat
Water steps up water temperature to 22 DEG C, and stimulates gonad development with water flow;
(3) artificial induced spawning
Before and after mid-April, by water temperature stability at 22 DEG C, artificial induced spawning is carried out, first female male parent has been caught, has checked sexual gland
Developmental state, the good parent of gonad development has white sperm to flow out in gently pressure milter abdomen, light that raun abdomen is pressed to have ovum grain stream
Raun caudal peduncle is mentioned out, hence it is evident that the profile of visible two sides descensus ovarii;One age kind fish is hastened parturition without hormone, is put into female fishpond
2~4 tail milters such as see that milter chases female, then can directly carry out manually squeezing ovum, insemination;Two ages and the above raun oxytocic hormone
It is solvent with physiological saline, every milliliter containing 5 milligrams of DOM, 5 microgram LRH-A2 and 1300-1700 microgram HCG, every kilogram of raun note
1 milliliter of oxytocins is penetrated, every kilogram of milter injects 0.5 milliliter of oxytocins, carries out one injection in pectoral fin base portion, enters needle depth 0.5
Centimetre, in order to avoid stab internal organ;
(4) artificial insemination
Hasten parturition and parent population put back into net cage or cement pit after injection, when 4-8 is small after when there is apparent chasing behavior, fish for
Parent population carries out underwater artificial insemination and is put into be filled with water by fish nest to operate in basin, and right-hand man point holds each tail of male and female parent population, in underwater,
Male and female cloacal aperture is opposite, the ovulation of raun abdomen is first squeezed with thumb, is squeezed milter abdomen sperm drainage immediately, is gently agitated for water
Body makes it sufficiently be fertilized, and uniformly strength is attached on Hatching fish net;
(5) artificial incubation
Hatching pool area is 12~15m2, hatchery water is natural phreatic water, and with nylon bolting silk mistakes more than 200 mesh
Filter prevents that harmful organisms enter;60cm centimetres of transparency of hatchery water body hydrostatic or more, bottom of pond are increased using nanotube gas disk aeration
Oxygen, every pond are arranged 2, are located at the left and right sides in pond center, so that dissolved oxygen is all larger than 7mg/L, water deep 40 to water everywhere
~50 centimetres, dispensing fish-egg density is 20,000/m3;Fish-egg enters pond hatching and manually pulls the booties such as offscum out in every 6 hours, and measures
Water body indices, every 20~24 hours with mould inhibitor dipping Quan Chihuan water after twenty minutes, until fish-egg i.e. by membrane until;Such as
Torrential rain is met, pond should be covered, avoids water quality, water temperature fluctuation excessively acute and influences to keep water temperature in hatching rate hatching process
It is steady it is critically important answer timely sunshade and Jia Shui, avoid changing that water temperature difference is more than 1.5 DEG C and water temperature is more than 30 DEG C;
(6) spray is cultivated
Seed cultivation pool is doubled as with hatchery, hatching rate after fish-egg sends out eye, is patrolled one time for every 6 hours up to 80%, observation
Fish-egg survival rate and results of regular determination ensure that dissolved oxygen reaches 7mg/L to water everywhere, if water is lower than the oxygen dissolving value, then increase nanotube
Aeration plate quantity;After observing the flat trip of fry membrane, every water body fry number is up to 1.85 ten thousand/m3More than, full water flower is up to 10~14
Ten thousand tails.It takes 2~4 fry microexaminations within every 4 hours, determines that fry enteron aisle is unobstructed, after intraperitoneal yolk is exhausted, in time will
Hatching adds zooplankter with fish nest from removal in pond and into pond;
(7) seed is screened
The screening of oriental cherry goldfish is divided into 2 times, for the first time after fry hatching at the 14th~16 day, fry body overall length at this time
2.5~5cm, four leaves of tail fin point, diastole such as butterfly, fin spine are unobvious, travelling form is graceful, retain without the inferior fry of deformity,
Remaining whole is eliminated, and the fry of reservation is carried out a point pond according to size and is raised, and preventing excessive individual from sucking small individual tail fin causes
Inferior rate rises, and screens retention rate for the first time 75~80%;Programmed screening is the 42nd~49 day after fry hatching, fish at this time
Seedling has begun presentation color, and has certain figure, and this time screening need to be by cinerous, whole red, whole white and hard shell
Body is chosen, and the fish chosen is gradable, classification sells, but cannot be known as oriental cherry gold-plating, and remaining juvenile fish should be again according to size point
Pond raising, programmed screening retention rate is 70% or more;Third time screening is rich with posture the 80th~90 day after fry hatching
It is full, body drapes over one's shoulders transparent soft squama, coating is uniform, polychrome is bright-coloured and boundary is obvious, tail fin it is short and with the characteristics of gracefulness, select oriental cherry gold-plating gold
Fish, third time screen yield rate in 20-30%, can enter forming stage at this time.
In the step (7), after selecting every time using the mould inhibitors such as methyl blue and povidone iodine disinfectant carry out it is mould proof, disappear
Poison, loss caused by damage when reducing hand picking to fish body.
In the step (6), zooplankter bait selection: Branchionus urceus, the Brachionus angularis, three manually cultivated
Based on the small-sized freshwater rotifer of limb wheel animalcule, when lacking bait, other animal baits are selected according to fish body schistostoma size;Fry opens
After beginning ingests, it is necessary to assure the animal bait splashed is uniform as far as possible, fresh and alive in this way disposably to feed, for example frozen product
Should repeatedly feed on a small quantity avoids aquatic environment from deteriorating.
In the step (6), zooplankter bait feeding amount: determining fry hatching rate, and ideally hatching rate is up to 60
~80%, fry density is 1.85 ten thousand tails/m3, then recommend within 1st to feed wheel animalcule quantity to be 10,000,000/m3Water body, second day
Feeding wheel animalcule quantity is 12,500,000/m3Water body, feeding wheel animalcule quantity third day is 14,000,000/m3Water body selects Tu Tang culture
Or continue cement pit culture, bigger bait is replaced according to fry schistostoma size in due course when cement pit culture, such as cladocera, oar
Foot;Feeding freezing, the every defective material of chilled bait are ingested in 1h and are finished, and are such as suitably reduced more than 1h and feed lower than the appropriate increment of 1h;
Specific every day feeding volume is adjusted in right amount with fry situation of ingesting.
Other described animal baits are yolk.In the step (2), artifical compound feed is plumule class.The oriental cherry
Gold-plating goldfish, have have a well filled-out figure, body drapes over one's shoulders transparent soft squama, coating is uniform, polychrome is bright-coloured and boundary is obvious, the short and graceful spy of tail fin
Point.
The beneficial effects of the present invention are: the character for the oriental cherry gold-plating goldfish that the present invention obtains is excellent, purification degrees are high.
Specific embodiment
Invention is further described in detail With reference to embodiment:
1. the method for oriental cherry gold-plating goldfish germplasm initiative, includes the following steps
1.1 Juvenile stage
Oriental cherry gold-plating goldfish, should have have a well filled-out figure, body drapes over one's shoulders soft squama, scale coating is uniform, tail fin is short and graceful, red
The features such as obvious with white boundary;It is the red gold-plating goldfish (♂) of short-tail hard shell that male parent is selected in this patent, and female parent is the soft squama five of short-tail
Flower goldfish (♀);Parent culture is obvious by the stabilization characteristics of genetics filtered out, varietal characteristic since autumn the previous year, posture
Plentiful, gonad development is preferably individual.
1.2 parent culture
Parent culture was since autumn upper one year, the apparent healthy individuals of stabilization characteristics of genetics, varietal characteristic that filter out
Point male and female are put in a suitable place to breed, are replaced with artifical compound feed (predominantly plumule class) with the natural live bait such as cladocera and are fed;Breeding density is
One age 8~9 tails of kind fish/m3, two age 4~5 tails of kind fish/m3, produce in the previous moon, it is primary to change water weekly, produces in the last week, every other day
It is primary to change water, and steps up water temperature to 22 DEG C with GEOTHERMAL WATER, and gonad development is stimulated with water flow.
1.3 artificial induced spawning
Before and after 4 the middle ten days of the moon, by water temperature stability at 22 DEG C or so, artificial induced spawning is carried out, first female male parent has been caught, has been checked
Gonad development situation, the good parent of gonad development has white sperm to flow out in gently pressure milter abdomen, light that raun abdomen is pressed to have ovum
Grain outflow mentions raun caudal peduncle, hence it is evident that the profile of visible two sides descensus ovarii.One age kind fish can hasten parturition without hormone, in female fishpond
In be put into 2~4 tail milters, such as see that milter chases female, then can directly carry out manually squeezing ovum, insemination;Two ages and the above raun are urged
It is solvent that hormone, which is produced, with physiological saline, every milliliter containing 5 milligrams of DOM, 5 microgram LRH-A2 and 1300-1700 microgram HCG, every kilogram
Raun injects 1 milliliter of oxytocins, and every kilogram of milter injects 0.5 milliliter of oxytocins, carries out one injection in pectoral fin base portion, enters needle depth
0.5 centimetre of degree, in order to avoid stab internal organ;
1.4 artificial insemination
Hasten parturition and parent population put back into net cage or cement pit after injection, when 4-8 is small after when there is obvious chasing behavior, fishing
Parent population is taken to carry out underwater artificial insemination and be put into be filled with water by fish nest to operate in basin, right-hand man point holds each tail of male and female parent population, in the water surface
Under, male and female cloacal aperture is opposite, the ovulation of raun abdomen is first squeezed with thumb, is squeezed milter abdomen sperm drainage immediately, is gently agitated for
Water body makes it sufficiently be fertilized, and uniformly strength is attached on Hatching fish net (China Patent No.: CN2728226).
1.5 artificial incubation
Hatching pool area is 12~15m2, hatchery water is natural phreatic water, and with nylon bolting silk mistakes more than 200 mesh
Filter prevents that harmful organisms enter;60cm centimetres of transparency of hatchery water body hydrostatic or more, bottom of pond are increased using nanotube gas disk aeration
Oxygen, every pond are arranged 2, are located at the left and right sides in pond center, so that dissolved oxygen is all larger than 7mg/L, water deep 40 to water everywhere
~50 centimetres, dispensing fish-egg density is 20,000/m3(500g ovum is 400,000);Fish-egg enter pond hatch manually pull out within every 6 hours it is floating
Booties such as foam, and measure water body indices, every 20~24 hours with mould inhibitor dipping Quan Chihuan water after twenty minutes, until fish-egg
It i.e. will be until membrane.Such as torrential rain, pond should be covered, avoid water quality, water temperature fluctuation excessively acute and influence hatching rate and incubate
Kept during changing water temperature it is steady it is critically important answers timely sunshade and Jia Shui, avoid changing that water temperature difference is more than 1.5 DEG C and water temperature is more than 30
℃。
1.6 sprays are cultivated
Seed cultivation pool is doubled as with hatchery, hatching rate after fish-egg sends out eye, is patrolled one time, seen up to 80% for every 6 hours
Examining fish-egg survival rate and results of regular determination ensures that dissolved oxygen reaches 7mg/L to water everywhere, if water is lower than the oxygen dissolving value, then should increase and receive
Mitron aeration plate quantity;After observing the flat trip of fry membrane, every water body fry number is up to 1.85 ten thousand/m3More than, full water flower can
Up to 10~140,000 tails.It takes 2~4 fry microexaminations within every 4 hours, determines that fry enteron aisle is unobstructed, intraperitoneal yolk is exhausted
Afterwards, fish nest is added into zooplankter from removal in pond and into pond in time.
1.6.1 zooplankter bait selects
(it is sure not to make based on the small-sized freshwater rotifers such as Branchionus urceus, Brachionus angularis, the three limb wheel animalcules manually cultivated
The wheel animalcule inhabited with seawater is such as: brachionus plicatilis), when lacking bait, other animals can be selected according to fish body schistostoma size
Property bait (such as yolk);Fry starts after ingesting, it is necessary to assure the animal bait splashed is uniform as far as possible, it is fresh and alive in this way can
It disposably feeds, for example frozen product should repeatedly be fed on a small quantity avoids aquatic environment from deteriorating;
1.6.2 zooplankter bait feeding amount
Determine fry hatching rate, ideally for hatching rate up to 60~80%, fry density is 1.85 ten thousand tails/m3, then
Recommend within 1st to feed wheel animalcule quantity to be about 10,000,000/m3Water body, it is about 12,500,000/m that second day, which feeds wheel animalcule quantity,3Water
Body, feeding wheel animalcule quantity third day is about 14,000,000/m3Water body can choose Tu Tang culture at this time or continue cement pit training
It supports, when cement pit culture should replace in due course bigger bait, such as cladocera, Copepods according to fry schistostoma size;Feeding is cold
Freeze, the every defective material of chilled bait should ingest to finish in 1h is advisable, such as should be suitably reduced more than 1h and be lower than 1h and appropriate increment is answered to feed;
Specific every day feeding volume is adjusted in right amount with fry situation of ingesting.
The screening of 1.7 seeds
The screening of oriental cherry goldfish is divided into 2 times, for the first time after fry hatching at the 14th~16 day, fry body overall length at this time
2.5~5cm, four leaves of tail fin point, diastole such as butterfly, fin spine are unobvious, travelling form is graceful, retain without the inferior fry of deformity,
Remaining whole is eliminated, and the fry of reservation is carried out a point pond according to size and is raised, and preventing excessive individual from sucking small individual tail fin causes
Inferior rate rises, and screening retention rate for the first time should be 75~80%;Programmed screening is the 42nd~49 day after fry hatching, at this time
Fry has begun presentation color, and has certain figure, and this time screening need to be by cinerous, whole red, whole white and hard shell
Individual is chosen, and the fish chosen is gradable, classification sells, but cannot be known as oriental cherry gold-plating, and remaining juvenile fish should be again according to size
Divide pond raising, this screening retention rate should be 70% or more, and third time screening is rich with posture the 80th~90 day after fry hatching
It is full, body drapes over one's shoulders transparent soft squama, coating is uniform, polychrome is bright-coloured and boundary is obvious, tail fin it is short and with the characteristics of gracefulness, select oriental cherry gold-plating gold
Fish, third time screen yield rate in 20-30%, can enter forming stage at this time.
The disinfectants such as mould inhibitors and povidone iodine such as methyl blue can be used to carry out mould proof, disinfection after selecting every time, to reduce
It is lost caused by damage when hand picking to fish body.
1.8 example
Cultivation place is Tianjin Xiqing District company, with continuous 4 years culture oriental cherry gold-plating fries of this method, the equal energy of hatching rate
Reach 80% or more, reaches as high as 90%;Farm cement pit floor space 15m2, the depth of water is maintained at 45 ± 5cm during fry,
Then water body volume is 6.75m3, most oriental cherry gold-plating spray density is up to 1.78 ten thousand tails/m3, 120,000 tail of spray or more, root are cultivated in full pond
Pass through 2 artificial screenings, more than qualified 70,000 tail of fry, qualification rate 58.3% according to patented technology.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (7)
1. a kind of method of oriental cherry gold-plating goldfish germplasm initiative, which comprises the following steps:
(1) Juvenile stage
Selection male parent is the red gold-plating goldfish (♂) of short-tail hard shell, and female parent is soft five Hua Jinyu of squama (♀) of short-tail;
(2) parent culture
Parent culture filtered out the apparent healthy individuals point male and female of stabilization characteristics of genetics, varietal characteristic since autumn upper one year
It puts in a suitable place to breed, is replaced with artifical compound feed with the natural live bait of cladocera and fed;Breeding density is age 8~9 tails of kind fish/m3, two ages
Kind 4~5 tails of fish/m3, produce in the previous moon, it is primary to change water weekly, produces in the last week, and it is primary to change water every other day, and with GEOTHERMAL WATER by
Step improves water temperature to 22 DEG C, and stimulates gonad development with water flow;
(3) artificial induced spawning
Before and after mid-April, by water temperature stability at 22 DEG C, artificial induced spawning is carried out, first female male parent has been caught, has checked gonad development
Situation, the good parent of gonad development have white sperm to flow out in gently pressure milter abdomen, light that raun abdomen is pressed to have the outflow of ovum grain to mention
Raun caudal peduncle, hence it is evident that the profile of visible two sides descensus ovarii;One age kind fish is hastened parturition without hormone, is put into 2~4 in female fishpond
Tail milter such as sees that milter chases female, then can directly carry out manually squeezing ovum, insemination;Two ages and the life of the above raun oxytocic hormone
Reason salt water is solvent, and every milliliter containing 5 milligrams of DOM, 5 microgram LRH-A2 and 1300-1700 microgram HCG, every kilogram of 1 milli of raun injection
Oxytocins is risen, every kilogram of milter injects 0.5 milliliter of oxytocins, and one injection is carried out in pectoral fin base portion, enters 0.5 centimetre of needle depth,
In order to avoid stabbing internal organ;
(4) artificial insemination
Hasten parturition and parent population put back into net cage or cement pit after injection, when 4-8 is small after when there is apparent chasing behavior, fish for parent population
It carries out underwater artificial insemination and is put into be filled with water by fish nest to operate in basin, right-hand man point holds each tail of male and female parent population will be female in underwater
Male cloacal aperture is opposite, and the ovulation of raun abdomen is first squeezed with thumb, milter abdomen sperm drainage is squeezed immediately, is gently agitated for water body, makes
It is sufficiently fertilized, and uniformly strength is attached on Hatching fish net;
(5) artificial incubation
Hatching pool area is 12~15m2, hatchery water is natural phreatic water, and with nylon silk cover filterings more than 200 mesh, sternly
Anti-vulnerability biology enters;60cm centimetres of transparency of hatchery water body hydrostatic or more, bottom of pond use nanotube gas disk aeration oxygen replenishing, often
Pond is arranged 2, is located at the left and right sides in pond center, so that dissolved oxygen is all larger than 7mg/L to water everywhere, water is 40~50 lis deep
Rice, dispensing fish-egg density are 20,000/m3;Fish-egg enters pond hatching and manually pulls the booties such as offscum out in every 6 hours, and it is each to measure water body
Index, every 20~24 hours with mould inhibitor dipping Quan Chihuan water after twenty minutes, until fish-egg be by membrane until;In case of greatly cruelly
Rain should cover pond, avoid water quality, water temperature fluctuation excessively acute and influence to keep water temperature in hatching rate hatching process steadily very
It is important to answer timely sunshade and Jia Shui, avoid changing that water temperature difference is more than 1.5 DEG C and water temperature is more than 30 DEG C;
(6) spray is cultivated
Seed cultivation pool is doubled as with hatchery, hatching rate after fish-egg sends out eye, patrols one time up to 80%, observe fish-egg for every 6 hours
Survival rate and results of regular determination ensure that dissolved oxygen reaches 7mg/L to water everywhere, if water is lower than the oxygen dissolving value, then increase nanotube aeration
Disk quantity;After observing the flat trip of fry membrane, every water body fry number is up to 1.85 ten thousand/m3More than, full water flower is up to 10~140,000 tails.
It takes 2~4 fry microexaminations within every 4 hours, determines that fry enteron aisle is unobstructed, it, in time will hatching after intraperitoneal yolk is exhausted
Zooplankter is added from removal in pond and into pond with fish nest;
(7) seed is screened
The screening of oriental cherry goldfish is divided into 2 times, for the first time after fry hatching at the 14th~16 day, at this time fry body overall length 2.5~
5cm, four leaves of tail fin point, diastole such as butterfly, fin spine are unobvious, travelling form is graceful, retain without the inferior fry of deformity, remaining whole
It eliminates, and the fry of reservation is subjected to a point pond according to size and is raised, preventing excessive individual from sucking small individual tail fin leads to inferior rate
Rise, screens retention rate for the first time 75~80%;Programmed screening is the 42nd~49 day after fry hatching, and fry has been at this time
Start that color is presented, and there is certain figure, this time screening need to choose cinerous, whole red, whole white and hard shell individual,
The fish chosen is gradable, classification sells, but cannot be known as oriental cherry gold-plating, and remaining juvenile fish should be raised again according to size point pond,
Programmed screening retention rate is 70% or more;Third time screening is the 80th~90 day after fry hatching, and to have a well filled-out figure, body drapes over one's shoulders
Bright soft squama, coating is uniform, polychrome is bright-coloured and boundary is obvious, tail fin it is short and with the characteristics of gracefulness, select oriental cherry gold-plating goldfish, third time
Yield rate is screened in 20-30%, forming stage can be entered at this time.
2. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 1, which is characterized in that in the step (7), often
It is secondary select after using the mould inhibitors such as methyl blue and povidone iodine disinfectant carry out mould proof, disinfection, to fish when reducing hand picking
Loss caused by the damage of body.
3. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 1, which is characterized in that in the step (6), float
Trip animal feed selection: the Branchionus urceus manually cultivated, Brachionus angularis, based on the three small-sized freshwater rotifers of limb wheel animalcule,
When lacking bait, other animal baits are selected according to fish body schistostoma size;Fry starts after ingesting, it is necessary to assure splashes
Animal bait is uniform as far as possible, and fresh and alive in this way disposably to feed, for example frozen product should repeatedly feed on a small quantity and avoid water
Matter environmental degradation.
4. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 3, which is characterized in that in the step (6), float
Travelling object bait feeding amount: determining fry hatching rate, and ideally for hatching rate up to 60~80%, fry density is 1.85 ten thousand
Tail/m3, then recommend within 1st to feed wheel animalcule quantity to be 10,000,000/m3Water body, second day feed wheel animalcule quantity be 12,500,000/
m3Water body, feeding wheel animalcule quantity third day is 14,000,000/m3Water body selects Tu Tang culture or continues cement pit culture, cement
Bigger bait is replaced according to fry schistostoma size in due course when pond is cultivated, such as cladocera, oar foot;Feeding freezing, chilled bait are each
Material is ingested in 1h to be finished, and is such as suitably reduced more than 1h and is fed lower than the appropriate increment of 1h;Specific every day feeding volume is taken the photograph with fry
Food situation is adjusted in right amount.
5. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 3, which is characterized in that other described animality baits
Material is yolk.
6. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 1, which is characterized in that in the step (2), people
Work mixed feed is plumule class.
7. the method for oriental cherry gold-plating goldfish germplasm initiative according to claim 1, which is characterized in that the oriental cherry gold-plating gold
Fish, have have a well filled-out figure, body drapes over one's shoulders transparent soft squama, coating is uniform, polychrome is bright-coloured and boundary is obvious, the short and graceful feature of tail fin.
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DE2735783A1 (en) * | 1977-08-09 | 1979-02-22 | Siegfried Baensch | Standard fish breeding procedure - uses controlled conditions in closed circuit with spawning stimulated by hormones |
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 |
CN106550909A (en) * | 2016-10-31 | 2017-04-05 | 湖南师范大学 | The method of Cyprinus carpio L. and megalobrame amblycephala subfamily distant hydridization |
CN106605618A (en) * | 2016-01-04 | 2017-05-03 | 福建省水产研究所 | Cross breeding method of epinephelus moara female fish and giant grouper male fish |
CN109220904A (en) * | 2018-09-27 | 2019-01-18 | 天津农学院 | The breeding of oriental cherry Thailand lion goldfish and selection |
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- 2019-07-29 CN CN201910688669.7A patent/CN110269010A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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DE2735783A1 (en) * | 1977-08-09 | 1979-02-22 | Siegfried Baensch | Standard fish breeding procedure - uses controlled conditions in closed circuit with spawning stimulated by hormones |
CN106605618A (en) * | 2016-01-04 | 2017-05-03 | 福建省水产研究所 | Cross breeding method of epinephelus moara female fish and giant grouper male fish |
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 |
CN106550909A (en) * | 2016-10-31 | 2017-04-05 | 湖南师范大学 | The method of Cyprinus carpio L. and megalobrame amblycephala subfamily distant hydridization |
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