CN110463627A - A kind of annual artificial fecundation method of mandarin fish - Google Patents
A kind of annual artificial fecundation method of mandarin fish Download PDFInfo
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- CN110463627A CN110463627A CN201910815695.1A CN201910815695A CN110463627A CN 110463627 A CN110463627 A CN 110463627A CN 201910815695 A CN201910815695 A CN 201910815695A CN 110463627 A CN110463627 A CN 110463627A
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- 241000404975 Synchiropus splendidus Species 0.000 title claims abstract description 79
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- 238000009395 breeding Methods 0.000 claims abstract description 17
- 230000001488 breeding effect Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000035479 physiological effects, processes and functions Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 89
- 230000012447 hatching Effects 0.000 claims description 21
- 230000004720 fertilization Effects 0.000 claims description 15
- 241000252233 Cyprinus carpio Species 0.000 claims description 12
- 241000594011 Leuciscus leuciscus Species 0.000 claims description 10
- 241000209140 Triticum Species 0.000 claims description 10
- 235000021307 Triticum Nutrition 0.000 claims description 10
- 210000001015 abdomen Anatomy 0.000 claims description 10
- 201000010099 disease Diseases 0.000 claims description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000032696 parturition Effects 0.000 claims description 10
- 102000002322 Egg Proteins Human genes 0.000 claims description 9
- 108010000912 Egg Proteins Proteins 0.000 claims description 9
- 210000004681 ovum Anatomy 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
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- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 6
- 235000013717 Houttuynia Nutrition 0.000 claims description 5
- 240000000691 Houttuynia cordata Species 0.000 claims description 5
- 240000002853 Nelumbo nucifera Species 0.000 claims description 5
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 5
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 5
- 208000026487 Triploidy Diseases 0.000 claims description 5
- 208000027418 Wounds and injury Diseases 0.000 claims description 5
- 210000000436 anus Anatomy 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 210000001136 chorion Anatomy 0.000 claims description 5
- 230000034994 death Effects 0.000 claims description 5
- 231100000517 death Toxicity 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 5
- XLXSAKCOAKORKW-AQJXLSMYSA-N gonadorelin Chemical class C([C@@H](C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1[C@@H](CCC1)C(=O)NCC(N)=O)NC(=O)[C@H](CO)NC(=O)[C@H](CC=1C2=CC=CC=C2NC=1)NC(=O)[C@H](CC=1N=CNC=1)NC(=O)[C@H]1NC(=O)CC1)C1=CC=C(O)C=C1 XLXSAKCOAKORKW-AQJXLSMYSA-N 0.000 claims description 5
- 239000002434 gonadorelin derivative Substances 0.000 claims description 5
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- 230000018109 developmental process Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 235000013305 food Nutrition 0.000 claims 1
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- 239000005556 hormone Substances 0.000 claims 1
- 229940088597 hormone Drugs 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000035558 fertility Effects 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000000366 juvenile effect Effects 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000489963 Anabantoidei Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000269800 Percidae Species 0.000 description 1
- 241000276618 Perciformes Species 0.000 description 1
- 241000264847 Siniperca chuatsi Species 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- 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
- A01K61/17—Hatching, e.g. incubators
-
- 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 invention discloses a kind of annual artificial fecundation methods of mandarin fish, regulate and control method by using ecological physiology, the parent population of mandarin fish can be primary every breeding in 20~30 days, the breeding cycle is shortened, greatly improves annual output of seedling, and since parent population can reuse, it can breed 9-12 times every year, the utilization rate and artificial propagation efficiency for improving parent population, reduce the storage of parent population and the cost of parent fish rearing, and economic benefit improves 6 times or more.Propagation method of the invention, the spawning rate of parent population, fertility rate and hatchability are high, and fry is high-quality, and the fry that can get the sale specification of 3 centimetres of overall length was cultivated by 15-20 days, increases the economic benefit of raiser.The invention limits mandarin fish artificial propagation by season and time, and the spring for solving to face for a long time puts early seedling and anti-season puts the problems such as seedling is in short supply, it is ensured that year-round provision seed achievees the purpose that balanced production, is conducive to the large-scale production of mandarin fish seed.
Description
Technical field
The invention belongs to fish reproduction technical fields, and in particular to a kind of annual artificial fecundation method of mandarin fish.
Background technique
Mandarin fish is commonly called as mandarin fish, fat mandarin fish etc., is subordinate to Perciformes, Anabantoidei, true Percidae, mandarin fish category, likes dwelling under natural conditions
It ceases in the luxuriant cleaner water body of the water plants such as rivers, lake, reservoir, is a kind of rare economic freshwater cultured fishes.Due to
Its full of nutrition, delicious meat, protein rich in, thorn less and meat is more, be well received by consumers, economic value compared with
Height, wide market.In recent years, mandarin fish cultured area is continuously increased, and cultured output is continuously improved, and whole nation cultivation in 2018 produces
Amount is up to 31.59 ten thousand tons, and wherein the cultured output in Guangdong Province occupy the first, up to 9.24 ten thousand tons.Since last century the eighties, mandarin fish
Artificial propagation succeeded, preferably solve the problems, such as from seed breeding to industrial technologies such as commodity fish cultures, production rule
Mould and industry demand are increasing.The mandarin fish main species of China's cultivation at present are Mandarin fish (Siniperca chuatsi), by
Fast in its speed of growth, the situation that supply falls short of demand is presented in the favor more and more by numerous culturists, market comsupton demand.Mesh
Before, the artificial propagation of China mandarin fish mostly uses the mode annually bred, trial secondary or three times is also bred one year, but
The problems such as that there are parents is dead, later period emergence rate is low and higher cost, use it is seldom.And the breeding of mandarin fish has season
Property, in the Yangtze river basin, spawning season is 5~July, and South China is 4~August part, and mating period is shorter, is not able to satisfy mandarin fish
Anti-season cultivates the demand to seed, and the especially rise of industrial aquaculture in recent years is increasing to the demand of mandarin fish seed,
Seed insufficient supply and whole year are unable to stable market supply and constrain the sustainable and healthy development of mandarin fish aquaculture.
Summary of the invention
It is an object of the invention to the statuses according to above-mentioned background technique, provide a kind of annual artificial propagation side of mandarin fish
Method can carry out mandarin fish artificial propagation in annual according to production needs by the method any time, be different breeding mode,
Various Seasonal provides the mandarin fish seed of various specifications, achievees the purpose that balanced production.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
1. the condition of parent fish pond: the round cement pit that diameter is 6~10 meters, 2~2.5 meters of the depth of water, irrigation and drainage are convenient, are equipped with note
The mouth of a river, gap, sewage draining exit are located at bottom of pond central location；
2. parent population selects and cultivates: select good, physical strong, disease-free and injury-free, 2~5kg of weight the mandarin fish of development degree as
Parent population, female, milter are raised together in parent fish pond after body surface sterilizes in the ratio of 1~2:1, and breeding density is 1~2 tail/cubic meter,
Culture pond water temperature is controlled at 22~30 DEG C, and summer temperature Gao Shike builds shading tent to reduce water temperature, should take during winter low temperature
Roof insulating is built to keep water temperature, during parent fish rearing, keeps pond water quality pure and fresh, is uninterruptedly stimulated using flowing water, water velocity
Control is 0.4~0.6 meter per second, carries out oxygenation to parent fish pond using microporous pipe, water body dissolved oxygen amount is maintained at 6mg/L or more, pH value
It is 6~8.5, periodically feeds the agreeable to the taste wheat dace of specification as living bait fish, guarantee that bait is sufficient；
3. artificial induced spawning: the good parent population of selection maturity, i.e. milter gently press abdomen to have sperm outflow, and raun abdomen expands
Softness, when anus pink, can carry out artificial induced spawning, be promoted using luliberin analog (LRH-A2) plus chorion
Gonadin (HCG) drug is hastened parturition, one injection, and every tail parent population injection prepares pharmaceutical quantities and is no more than 1ml, and production is put in after hastening parturition
In ovum pond, its natural spawning fertilization is allowed；
4. fry hatching: after fertilization ovum collecting, using circuit Lotic hatching, to guarantee good environment of hatching, hatching
Circuit will control water temperature, water flow and triploidy rate, water temperature control at 22~30 DEG C, water velocity control for 0.2~0.3 meter/
Second, density domination keeps water flow unobstructed in 40~500,000/cubic metre, removes egg membrane in circuit in time, guarantees that water quality is pure and fresh；
5. seed rearing: seed rearing by the way of circuit running water technology, for guarantee mandarin fish fry growth nutritional need,
Each stage will feed the bait fish of dimension, and with the growth of mandarin fish seedling, need in due course by Chi Peiyu is divided, to avoid mutual
It kills and devour；
6. the cultivation of bait fish: during winter low temperature, open-mouthed bait fish uses parent population of the carp as bait fish, in mandarin fish
Appropriate time after incubating oosperm emergence, carries out the induced reproduction of carp parent population, it is ensured that the opening movable bait fish of mandarin fish seedling
The cultivation of effective supply, the agreeable to the taste bait fish of other time uses parent population of the wheat dace as bait fish, according to the need to bait fish
The amount of asking and specification requirement carry out artificial induced spawning in due course, allow its natural spawning to hatch, provide agreeable to the taste bait fish fry, bait fish
Feeding volume control at 6~8 times of mandarin fish seedling quantity, and the growth according to mandarin fish seed gradually adjust bait fish feeding volume and
Specification, when mandarin fish seedling reaches 3 centimetres by cultivation in about 20 days can pond-inputting carry out outdoor and form, or cultivated and reach by 30 days
Start to carry out taming mixed feed of ingesting at 5 centimetres；
7. parent population postpartum cultivates: since by the way of natural spawning fertilization, parent population injures and deaths are few, postpartum parent population is with 2~3%
After the disinfecting with salt solution 2~3 minutes of concentration, it is put into culture pond and continues to reinforce to cultivate, as the parent population bred, parent fish pond next time
Middle to prevent disease using Chinese herbal medicines hanging bags such as bitter lotus leaf, cordate houttuynias, parent fish rearing method is identical as antenatal cultivation, passes through this side
Method can facilitate parent population primary every breeding in 20~30 days.
Advantages of the present invention is as follows:
(1) present invention simulation the best ecological condition of mandarin fish, using ecological physiology regulate and control method, make mandarin fish artificial propagation not by
The limitation in season and time can carry out mandarin fish artificial propagation and seed rearing in annual according to production needs any time, solve
The spring faced for a long time puts early seedling and anti-season puts the problems such as seedling is in short supply, it is ensured that year-round provision seed reaches balanced production
Purpose is conducive to the large-scale production of mandarin fish seed.
(2) present invention regulates and controls method by ecological physiology, and the parent population of mandarin fish can be primary every breeding in 20~30 days, shortens
Breeding cycle greatly improves annual output of seedling, and since parent population can reuse, can breed 9-12 every year
It is secondary, the utilization rate and artificial propagation efficiency of parent population are improved, the storage of parent population and the cost of parent fish rearing, economic benefit are reduced
Improve 6 times or more.
(3) propagation method of the invention is used, the spawning rate of parent population, fertility rate and hatchability are high, and fry is high-quality, pass through
It cultivates the fry that can get the sale specification of 3 centimetres of overall length within 15-20 days, increases the economic benefit of raiser.
(4) present invention is in mandarin fish juvenile fish open-mouthed bait fish is cultivated, during winter low temperature, using carp as bait fish
Parent population carries out artificial propagation in due course, efficiently solves the supply of low temperature season mandarin fish juvenile fish opening movable bait fish.
Specific embodiment
It is illustrated below in conjunction with the preferred embodiment of the present invention, it should be understood that preferred embodiment described herein is only
For instruction and explanation of the present invention, it is not intended to limit the present invention.
Embodiment 1
1. the condition of parent fish pond: the round cement pit that diameter is 10 meters, 2.5 meters of the depth of water.Pool wall is equipped with water filling port and spilling water
Mouthful, discharge outlet is located at bottom of pond central location, and bottom of pond center is slightly lower, is convenient for dirt collection, blowdown；
2. parent population selection and cultivating: selecting that maturity is good, mandarin fish of physical strong, disease-free and injury-free, weight about 4~5kg makees
For parent population.Female, each 80 tail of milter is raised together in parent fish pond after body surface sterilizes in the ratio of 1:1, and breeding density is about 1 tail/vertical
Square rice.For the control of culture pond water temperature at 24~30 DEG C, summer temperature Gao Shike builds shading tent to reduce water temperature, during winter low temperature
Roof insulating should be built to keep water temperature.During parent fish rearing, keeps pond water quality pure and fresh, uninterruptedly stimulated using flowing water, water flow
Speed control is 0.6 meter per second.Oxygenation is carried out to parent fish pond using microporous pipe, water body dissolved oxygen amount is maintained at 6mg/L or more, pH value
It is 6~8.5.The agreeable to the taste wheat dace of specification is periodically fed as living bait fish, guarantees that bait is sufficient；
3. artificial induced spawning: the good parent population of selection maturity, i.e. milter gently press abdomen to have sperm outflow, and raun abdomen expands
Softness, when anus pink, can carry out artificial induced spawning.Promoted using luliberin analog (LRH-A2) plus chorion
Gonadin (HCG) drug is hastened parturition, one injection, and every tail parent population injection prepares pharmaceutical quantities and is no more than 1ml.Production is put in after hastening parturition
In ovum pond, its natural spawning fertilization is allowed；
4. fry hatching: after fertilization ovum collecting, using circuit Lotic hatching.To guarantee good environment of hatching, hatching
Circuit will control water temperature, water flow and triploidy rate, and at 22~30 DEG C, water velocity control is 0.3 meter per second, close for water temperature control
Degree control is in 500,000/cubic metre.It keeps water flow unobstructed, removes egg membrane in circuit in time, guarantee that water quality is pure and fresh.
5. seed rearing: by the way of circuit running water technology.For the nutritional need for guaranteeing mandarin fish fry growth, each stage
The living bait fish of dimension is fed, and with the growth of mandarin fish seedling, Chi Peiyu need to be divided, in due course to avoid mutually killing and devouring.
6. the cultivation of bait fish: during winter low temperature, open-mouthed bait fish uses parent population of the carp as bait fish, in mandarin fish
Appropriate time after incubating oosperm emergence, carries out the induced reproduction of carp parent population, it is ensured that the opening movable bait fish of mandarin fish seedling
Effective supply.The cultivation of the agreeable to the taste bait fish of other time uses parent population of the wheat dace as bait fish, according to the need to bait fish
The amount of asking and specification requirement carry out artificial induced spawning in due course, allow its natural spawning to hatch, provide agreeable to the taste bait fish fry.Bait fish
Feeding volume control at 8 times of mandarin fish seedling amount, and the growth according to mandarin fish seed gradually adjusts the feeding volume and specification of bait fish.
Mandarin fish seedling when reaching 3 centimetres by cultivation in about 20 days can pond-inputting carry out outdoor and form, or cultivated by 30 days and reach 5 centimetres
When start to carry out domestication and ingest mixed feed.
7. parent population postpartum cultivates: since by the way of natural spawning fertilization, parent population injures and deaths are few.Postpartum parent population is with 2~3%
Behind salt water sterilization 2~3 minutes of concentration, it is put into culture pond and continues to reinforce to cultivate, as the parent population bred next time.Parent population
Prevent disease using Chinese herbal medicines hanging bags such as bitter lotus leaf, cordate houttuynias in pond.Parent fish rearing method is identical as antenatal cultivation.By this
Method can facilitate parent population primary every breeding in 20~30 days.
In the present embodiment, it bred, to terminating by the end of December for the year, breeds 11 times altogether, whole year produces seedling since January 22
211470000 tails, average every female parent population of kg produce 66.08 ten thousand tail of seedling.
In the method for the present invention, usual tail parent population can be used to breed 3~4 years, few in production although can also breed later
With because it is few to produce seedling amount.
Embodiment 2
1. the condition of parent fish pond: the round cement pit that diameter is 8 meters, 2 meters of the depth of water.Pool wall is equipped with water filling port and gap,
Discharge outlet is located at bottom of pond central location, and bottom of pond center is slightly lower, is convenient for dirt collection, blowdown；
2. parent population selection and cultivating: selecting that maturity is good, mandarin fish of physical strong, disease-free and injury-free, weight about 3~4kg makees
For parent population.100 tail of raun, 80 tail of milter are raised together in parent fish pond after body surface sterilizes in the ratio of 5:4, and breeding density is about 2
Tail/cubic meter.Culture pond water temperature is controlled at 22~30 DEG C, and summer temperature Gao Shike builds shading tent to reduce water temperature, and winter is low
Roof insulating should be built during temperature to keep water temperature.During parent fish rearing, keeps pond water quality pure and fresh, uninterruptedly pierced using flowing water
Swash, water velocity control is 0.5 meter per second.Using microporous pipe to parent fish pond carry out oxygenation, water body dissolved oxygen amount be maintained at 6mg/L with
On, pH value is 6~8.5.The agreeable to the taste wheat dace of specification is periodically fed as living bait fish, guarantees that bait is sufficient；
3. artificial induced spawning: the good parent population of selection maturity, i.e. milter gently press abdomen to have sperm outflow, and raun abdomen expands
Softness, when anus pink, can carry out artificial induced spawning.Chorion rush property is added using luliberin analog LRH-A2
Parathyrine HCG drug is hastened parturition, one injection, and every tail parent population injection prepares pharmaceutical quantities and is no more than 1ml.Spawning pond is put in after hastening parturition
In, allow its natural spawning fertilization；
4. fry hatching: after fertilization ovum collecting, using circuit Lotic hatching.To guarantee good environment of hatching, hatching
Circuit will control water temperature, water flow and triploidy rate, and at 22~30 DEG C, water velocity control is 0.2 meter per second, close for water temperature control
Degree control is in 400,000/cubic metre.It keeps water flow unobstructed, removes egg membrane in circuit in time, guarantee that water quality is pure and fresh.
5. seed rearing: by the way of circuit running water technology.For the nutritional need for guaranteeing mandarin fish fry growth, each stage
The living bait fish of dimension is fed, and with the growth of mandarin fish seedling, Chi Peiyu need to be divided, in due course to avoid mutually killing and devouring.
6. the cultivation of bait fish: during winter low temperature, open-mouthed bait fish uses parent population of the carp as bait fish, in mandarin fish
Appropriate time after incubating oosperm emergence, carries out the induced reproduction of carp parent population, it is ensured that the opening movable bait fish of mandarin fish seedling
Effective supply.The cultivation of the agreeable to the taste bait fish of other time uses parent population of the wheat dace as bait fish, according to the need to bait fish
The amount of asking and specification requirement carry out artificial induced spawning in due course, allow its natural spawning to hatch, provide agreeable to the taste bait fish fry.Bait fish
Feeding volume control at 7 times of mandarin fish seedling amount, and the growth according to mandarin fish seed gradually adjusts the feeding volume and specification of bait fish.
Mandarin fish seedling when reaching 3 centimetres by cultivation in about 20 days can pond-inputting carry out outdoor and form, or cultivated by 30 days and reach 5 centimetres
When start to carry out domestication and ingest mixed feed.
7. parent population postpartum cultivates: since by the way of natural spawning fertilization, parent population injures and deaths are few.Postpartum parent population is with 2~3%
Behind salt water sterilization 2~3 minutes of concentration, it is put into culture pond and continues to reinforce to cultivate, as the parent population bred next time.Parent population
Prevent disease using Chinese herbal medicines hanging bags such as bitter lotus leaf, cordate houttuynias in pond.Parent fish rearing method is identical as antenatal cultivation.By this
Method can facilitate parent population primary every breeding in 20~30 days.
In the present embodiment, it breeds, to terminating by the end of December for the year, breeds 10 times altogether, whole year produces seedling since 17 days 2 months
184820000 tails, average every female parent population of kg produce 52.71 ten thousand tail of seedling.
In the method for the present invention, usual tail parent population can be used to breed 3~4 years, few in production although can also breed later
With because it is few to produce seedling amount.
Embodiment 3
1. the condition of parent fish pond: the round cement pit that diameter is 6 meters, 2 meters of the depth of water.Pool wall is equipped with water filling port and gap,
Discharge outlet is located at bottom of pond central location, and bottom of pond center is slightly lower, is convenient for dirt collection, blowdown；
2. parent population selection and cultivating: selecting that maturity is good, mandarin fish of physical strong, disease-free and injury-free, weight about 2~3kg makees
For parent population.40 tail of raun, 20 tail of milter are raised together in parent fish pond after body surface sterilizes in the ratio of 2:1, and breeding density is about 1
Tail/cubic meter.Culture pond water temperature is controlled at 22~30 DEG C, and summer temperature Gao Shike builds shading tent to reduce water temperature, and winter is low
Roof insulating should be built during temperature to keep water temperature.During parent fish rearing, keeps pond water quality pure and fresh, uninterruptedly pierced using flowing water
Swash, water velocity control is 0.4 meter per second.Using microporous pipe to parent fish pond carry out oxygenation, water body dissolved oxygen amount be maintained at 6mg/L with
On, pH value is 6~8.5.The agreeable to the taste wheat dace of specification is periodically fed as living bait fish, guarantees that bait is sufficient；
3. artificial induced spawning: the good parent population of selection maturity, i.e. milter gently press abdomen to have sperm outflow, and raun abdomen expands
Softness, when anus pink, can carry out artificial induced spawning.Promoted using luliberin analog (LRH-A2) plus chorion
Gonadin (HCG) drug is hastened parturition, one injection, and every tail parent population injection prepares pharmaceutical quantities and is no more than 1ml.Production is put in after hastening parturition
In ovum pond, its natural spawning fertilization is allowed；
4. fry hatching: after fertilization ovum collecting, using circuit Lotic hatching.To guarantee good environment of hatching, hatching
Circuit will control water temperature, water flow and triploidy rate, and at 22~30 DEG C, water velocity control is 0.2 meter per second, close for water temperature control
Degree control is in 400,000/cubic metre.It keeps water flow unobstructed, removes egg membrane in circuit in time, guarantee that water quality is pure and fresh.
5. seed rearing: by the way of circuit running water technology.For the nutritional need for guaranteeing mandarin fish fry growth, each stage
The living bait fish of dimension is fed, and with the growth of mandarin fish seedling, Chi Peiyu need to be divided, in due course to avoid mutually killing and devouring.
6. the cultivation of bait fish: during winter low temperature, open-mouthed bait fish uses parent population of the carp as bait fish, in mandarin fish
Appropriate time after incubating oosperm emergence, carries out the induced reproduction of carp parent population, it is ensured that the opening movable bait fish of mandarin fish seedling
Effective supply.The cultivation of the agreeable to the taste bait fish of other time uses parent population of the wheat dace as bait fish, according to the need to bait fish
The amount of asking and specification requirement carry out artificial induced spawning in due course, allow its natural spawning to hatch, provide agreeable to the taste bait fish fry.Bait fish
Feeding volume control at 6 times of mandarin fish seedling amount, and the growth according to mandarin fish seed gradually adjusts the feeding volume and specification of bait fish.
Mandarin fish seedling when reaching 3 centimetres by cultivation in about 20 days can pond-inputting carry out outdoor and form, or cultivated by 30 days and reach 5 centimetres
When start to carry out domestication and ingest mixed feed.
7. parent population postpartum cultivates: since by the way of natural spawning fertilization, parent population injures and deaths are few.Postpartum parent population is with 2~3%
Behind salt water sterilization 2~3 minutes of concentration, it is put into culture pond and continues to reinforce to cultivate, as the parent population bred next time.Parent population
Prevent disease using Chinese herbal medicines hanging bags such as bitter lotus leaf, cordate houttuynias in pond.Parent fish rearing method is identical as antenatal cultivation.By this
Method can facilitate parent population primary every breeding in 20~30 days.
In the present embodiment, it bred, to terminating by the end of December for the year, breeds 11 times altogether, whole year produces seedling since January 12
56690000 tails, average every female parent population of kg produce 54.51 ten thousand tail of seedling.
In the method for the present invention, usual tail parent population can be used to breed 3~4 years, few in production although can also breed later
With because it is few to produce seedling amount.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of annual artificial fecundation method of mandarin fish, mainly includes the following steps:
(1) condition of parent fish pond: the round cement pit that diameter is 6~10 meters, 2~2.5 meters of the depth of water, irrigation and drainage are convenient, are equipped with water filling
Mouth, gap, sewage draining exit are located at bottom of pond central location；
(2) parent population selects and cultivates: selecting good, physical strong, disease-free and injury-free, 2~5kg of weight the mandarin fish of development degree as parent
Fish, female, milter are raised together in parent fish pond after body surface sterilizes in the ratio of 1~2:1, and breeding density is 1~2 tail/cubic meter, training
Water temperature control system is educated at 22~30 DEG C, and summer temperature Gao Shike builds shading tent to reduce water temperature, should build during winter low temperature
Roof insulating is to keep water temperature, during parent fish rearing, keeps pond water quality pure and fresh, is uninterruptedly stimulated using flowing water, water velocity control
It is made as 0.4~0.6 meter per second, oxygenation is carried out to parent fish pond using microporous pipe, water body dissolved oxygen amount is maintained at 6mg/L or more, and pH value is
6~8.5, the agreeable to the taste wheat dace of specification is periodically fed as living bait fish, guarantees that bait is sufficient；
(3) artificial induced spawning: the good parent population of selection maturity, i.e. milter gently press abdomen to have sperm outflow, and raun abdomen expands soft
Soft, when anus pink, can carry out artificial induced spawning, promote property using luliberin analog (LRH-A2) plus chorion
Glandular hormone (HCG) drug is hastened parturition, one injection, and every tail parent population injection prepares pharmaceutical quantities and is no more than 1ml, and production is put in after hastening parturition
In ovum pond, its natural spawning fertilization is allowed；
(4) fry hatching: after fertilization ovum collecting, using circuit Lotic hatching, to guarantee good environment of hatching, circular hatching channal
Water temperature, water flow and triploidy rate are controlled, at 22~30 DEG C, water velocity control is 0.2~0.3 meter per second, close for water temperature control
Degree control keeps water flow unobstructed in 40~500,000/cubic metre, removes egg membrane in circuit in time, guarantees that water quality is pure and fresh；
(5) seed rearing: seed rearing by the way of circuit running water technology, for guarantee mandarin fish fry growth nutritional need, respectively
A stage will feed the bait fish of dimension, and with the growth of mandarin fish seedling, need to divide Chi Peiyu in due course, to avoid mutually residual
Food；
(6) cultivation of bait fish: during winter low temperature, open-mouthed bait fish use parent population of the carp as bait fish, mandarin fish by
Appropriate time after smart egg hatching emergence, carries out the induced reproduction of carp parent population, it is ensured that the opening movable bait fish of mandarin fish seedling has
The cultivation of effect supply, the agreeable to the taste bait fish of other time uses parent population of the wheat dace as bait fish, according to the demand to bait fish
Amount and specification requirement, carry out artificial induced spawning in due course, allow its natural spawning to hatch, provide agreeable to the taste bait fish fry, bait fish
Feeding volume is controlled at 6~8 times of mandarin fish seedling quantity, and the growth according to mandarin fish seed gradually adjusts feeding volume and the rule of bait fish
Lattice, when mandarin fish seedling reaches 3 centimetres by cultivation in about 20 days can pond-inputting carry out outdoor and form, or cultivated by 30 days and reach 5
Centimetre when start to carry out domestication and ingest mixed feed；
(7) parent population postpartum cultivates: since by the way of natural spawning fertilization, parent population injures and deaths are few, postpartum parent population is dense with 2~3%
After that spends disinfects with salt solution 2~3 minutes, it is put into culture pond and continues to reinforce to cultivate, as the parent population bred, parent fish rearing next time
Method is identical as antenatal cultivation.
2. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that female in parent fish pond, male
1~2:1 of fish combo ratio.
3. a kind of annual artificial fecundation method of mandarin fish described in claim 1, which is characterized in that parent population reinforces cultivating process
In, it is uninterruptedly stimulated using flowing water, water velocity control is 0.4~0.6 meter per second.
4. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that parent population is reinforced cultivating
Cheng Zhong, microporous pipe oxygenation is used in parent fish pond, and water body dissolved oxygen amount is maintained at 6mg/L or more.
5. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that parent population is reinforced cultivating
Cheng Zhong, culture pond water temperature are controlled at 22~30 DEG C.
6. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that during winter low temperature,
Seedling just is incubated as opening movable bait fish using carp.
7. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that the parent population of mandarin fish breeds
Afterwards, sterilized be put into culture pond is reinforced cultivating again by ecological physiology regulation method, and inductivity gland maturity is facilitated every 20
Breeding in~30 days is primary.
8. a kind of annual artificial fecundation method of mandarin fish according to claim 1, which is characterized in that postpartum parent fish rearing pond
It is middle to prevent disease using Chinese herbal medicines hanging bags such as bitter lotus leaf, cordate houttuynias.
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| CN111011271A (en) * | 2019-12-20 | 2020-04-17 | 江苏省农业科学院宿迁农科所 | Siniperca chuatsi out-of-season cultivation method using sinocyclocheilus grahami as bait fish |
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| CN114916477A (en) * | 2022-07-08 | 2022-08-19 | 吉林省康农匠有机农业开发有限公司 | Method for mass propagation of silurus meridionalis in Heilongjiang basin |
| CN115191384A (en) * | 2022-07-08 | 2022-10-18 | 西双版纳云博水产养殖开发有限公司 | Artificial propagation method of diplopod |
| CN115250970A (en) * | 2022-07-08 | 2022-11-01 | 西双版纳云博水产养殖开发有限公司 | Artificial propagation method and system for Chinese knot fish |
| CN115250970B (en) * | 2022-07-08 | 2023-06-02 | 西双版纳云博水产养殖开发有限公司 | Artificial propagation method and system for Chinese nodakers |
| CN115191384B (en) * | 2022-07-08 | 2023-06-02 | 西双版纳云博水产养殖开发有限公司 | Artificial breeding method for double-hole fish |
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