CN107372230A - A kind of artificial fecundation method of lip dace - Google Patents
A kind of artificial fecundation method of lip dace Download PDFInfo
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- CN107372230A CN107372230A CN201710849873.3A CN201710849873A CN107372230A CN 107372230 A CN107372230 A CN 107372230A CN 201710849873 A CN201710849873 A CN 201710849873A CN 107372230 A CN107372230 A CN 107372230A
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- 102000002322 Egg Proteins Human genes 0.000 claims abstract description 17
- 108010000912 Egg Proteins Proteins 0.000 claims abstract description 17
- 210000004681 ovum Anatomy 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000009027 insemination Effects 0.000 claims abstract description 9
- 235000021191 food habits Nutrition 0.000 claims abstract description 8
- 230000012447 hatching Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 241000251468 Actinopterygii Species 0.000 claims description 36
- 239000008267 milk Substances 0.000 claims description 16
- 235000013336 milk Nutrition 0.000 claims description 16
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- 230000004720 fertilization Effects 0.000 claims description 13
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- 235000010469 Glycine max Nutrition 0.000 claims description 8
- 244000068988 Glycine max Species 0.000 claims description 8
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- 230000015572 biosynthetic process Effects 0.000 claims description 8
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- 210000002969 egg yolk Anatomy 0.000 claims description 8
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- 239000000463 material Substances 0.000 claims description 8
- 230000035800 maturation Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000008188 pellet Substances 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 230000037396 body weight Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000011534 incubation Methods 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 5
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- 241000239250 Copepoda Species 0.000 claims description 4
- 235000019750 Crude protein Nutrition 0.000 claims description 4
- 241001465754 Metazoa Species 0.000 claims description 4
- 235000019742 Vitamins premix Nutrition 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
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- 238000007906 compression Methods 0.000 claims description 4
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- 201000010099 disease Diseases 0.000 claims description 4
- 230000006806 disease prevention Effects 0.000 claims description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 4
- 230000003203 everyday effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229940067606 lecithin Drugs 0.000 claims description 4
- 235000010445 lecithin Nutrition 0.000 claims description 4
- 239000000787 lecithin Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
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- 239000004575 stone Substances 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 229940088594 vitamin Drugs 0.000 claims description 4
- 229930003231 vitamin Natural products 0.000 claims description 4
- 235000013343 vitamin Nutrition 0.000 claims description 4
- 239000011782 vitamin Substances 0.000 claims description 4
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 4
- 238000009360 aquaculture Methods 0.000 abstract description 5
- 244000144974 aquaculture Species 0.000 abstract description 5
- 230000004083 survival effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 230000002062 proliferating effect Effects 0.000 abstract description 2
- 235000019688 fish Nutrition 0.000 description 30
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000026109 gonad development Effects 0.000 description 2
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- 229920000832 Cutin Polymers 0.000 description 1
- 241001110084 Hilsa Species 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- 210000001595 mastoid Anatomy 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000006 pectoral fin Anatomy 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)
- Fodder In General (AREA)
Abstract
The present invention relates to a kind of artificial fecundation method of lip dace, mainly includes and builds culture pond, the selection of parent population seed, conversion of food habit and reinforced cultivating, adopts ovum, insemination, hatching and high-quality seed rearing and artificial domestication.Using artificial fecundation method of the present invention, according to the life habit of lip dace, good growth, developing environment are provided for it, the yield and survival rate of seed can be increased substantially, so as to reduce aquaculture cost.Also help simultaneously and promote lip dace breeding scale and population continuity; increase indigenous strains aquaculture and consumption new varieties; protect local fine germplasm resources; proliferating population quantity; biometric safeguard diversity and the ecological balance; substantial amounts of lip dace is cultivated for people and creates huge investment opportunity and considerable economic benefit, can meet the needs of large-scale cultivation.
Description
Technical field
The invention belongs to technical field of aquaculture, specifically, is related to a kind of artificial fecundation method of lip dace.
Background technology
Lip dace is commonly called as justifying hilsa herring, does not have six fishes, different fish etc., is one of Pearl River system preciousness economic fish.Lip dace be rivers under
Layer fish, like flowing water, often sail against the current, and fisherman calls its " only upper water, not overboard ", therefore has the title of " not having fish ".Northern Pan Jiang is pearl
The big tributary in Shang Yuan Hongsuihe River, the river basin Xijiang River, rise in Yunnan Province Zhanyi County Wumeng Shan Mountain arteries and veins horse hero Shanxi northern foot, flow through Yunnan,
The province of Guizhou two, basin underground flow section, fall that poor waterfall is all more, and full basin there are big cascade many places, fork has：Spin out
River, it can cross a river, Wu Douhe, Moon River, numb Shahe, beat side river etc., to beat side river maximum.
Lip dace is Anshun City, Guizhou Province Bei Pan rivers original inhabitants' economic fish, is commonly called as in locality " snoot fish ".Lip dace body extension and
Flat-sided, kiss substantially protrudes forward, and both sides have lateral sulcus straight trip to move towards bicker；Kiss skin turns down and turns into the antetheca of mouth cup to the outside of belly
Appearance has the file shape kick of proper alignment, and both sides are connected with lower lip, and eye is medium big, in head, the top of side, away from kiss end be more than away from
The trailing edge of cheek lid, eye spacing is wide and swells, mouth transverse fissure, and the upper jaw and the kiss skin of arc disengage, and have sharp keen cutin, lip two
Ditch is short after the lip of side, is not attached to, and appearance is also covered with neat small mastoid process, and is extended to triangle to jaw portion, and kiss must be 1 pair, and it is grown
Less than eye footpath, jaw must be born on lower lip labial angle, and dorsal fin trailing edge is deeply recessed, and finally branch fin ray length is not noticeably greater than long a, starting point
It is less than away from kiss end and is not stretched up to tail fin base away from tail fin base, dorsal fin, pectoral fin is open and flat, and end is not stretched up to abdomeinal fin, and its length is approximately equal to long a, abdomen
More anus is stretched in fin end, but does not stretch up to tail fin, tail fin fork-shaped, and most long fin ray is about 2 double-lengths of central fin ray, whole body duskiness, abdomen
Portion's canescence.
Lip dace fine and tender taste, its meat flavour is delicious, and fat content is higher, is the good food in feast, at present in the domestic market,
Per kilogram is up to 230 yuan or so, is a kind of larger famous-brand and high-quality fish of economic value.Lip dace is slow-growing under field conditions (factors), adds
On artificial in recent years overfishing and living environment it is worsening, particularly building for some hydraulic engineerings destroys lip dace original
Some spawning places, cause the natural yield of Pearl River Delta few, the resource of original producton location lip dace is received crushing blow.At present,
The area such as Guangdong, Guangxi, Guizhou, Yunnan is to the huge market demand of lip dace, and by natural yield, supply falls short of demand.And existing lip dace
Fry is fished fishing from local fisherman, and fingerling source mode is single, and fish body mechanical damage is more serious, easily infect water mold and
Stress reaction is produced, survival rate is low.Therefore, in order to protect this Species of Rare Fish from Qingdao resource and meet the needs of market, carrying out should
The artificial fecundation method of kind, exploitation have with promoting for increase China's fish culture kind, development local special features economy
Highly important meaning.
The content of the invention
The invention solves technology be to be directed to deficiency of the prior art, there is provided a kind of survival rate is high, reproductive number is more,
To realize that large-scale cultivation, industrialization management provide excellent seed, to creating local fish brand, the hair of local economy is promoted
Exhibition, realizes that artificial fecundation is released to protect the local stock of fish all to have the function that positive and significance, specifically one
The artificial fecundation method of kind lip dace.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of artificial fecundation method of lip dace, it is described
Method mainly includes the following steps that：
(1) culture pond is built：Parent fish rearing, running water technology are carried out as parent fish rearing pond using the flowing water pond of simulating natural environment
Pool area is more than 30 square metres, 0.6~1.0m of the depth of water, and water velocity is 0.1~0.2m/s, water body pH6.8~7.5, dissolved oxygen
More than 6mg/L, the anniversary water temperature random place mat cobblestone or place stone accumulation at culture pond bottom between 20~23 DEG C and build shape
Into multichannel gap, manual simulation river course is formed, is sheltered for fish, water source is using springwater, underground water, streams water, water
Bottom storehouse layer water, it is desirable to which water quality is limpid pollution-free, and transparency is more than 60cm, meets the basic growth conditions of lip dace；
(2) parent population seed selects：The wild lip dace of capture is screened, select it is physical strong it is disease-free, individual uniformly, without bleeding
Spot, without deformity, the preferable lip dace of development as cultivating object, and the lip dace to having screened carries out embathing sterilization；
(3) conversion of food habit and reinforced cultivating：It will be invested in culture pond by embathing sterilization posterior lip dace, while be thrown into culture pond
Put bait and carry out artificial domestication, within the previous moon raised and train, using yolk, soya-bean milk, milk, wheel animalcule and artemia without section children
Body is fed as bait, after two months, manually synthesizes powdery feedstuff feeding, after eight months, manually synthesis particle material
Fed, gradually realize and ingested from food transformation behaviour synthesis particle material, to accelerate parent population gonadal maturation；
(4) ovum, insemination, hatching are adopted：Every year in mating period in 3~May, the lip of the gonadal maturation in selection age at age 4~5
Dace parent populations, high-quality ovum and seminal fluid are obtained by manual compression method, then carry out wet method of artificial fertilization, after insemination, using than
Weight method separates heavy, floating ovum, and it is embryonated egg to float ovum, is counted, and counts rate of fertilization, then by embryonated egg in 15~18 DEG C of water temperature bars
Under part, it is placed in miniflow water and the incubation net cage of micro- inflation and is hatched, completes to hatch through the time of 3~5 days；
(5) high-quality seed rearing and artificial domestication：To lip dace young baby using yolk, soya-bean milk, milk, wheel animalcule, cladocera, Copepods
Aquatic animal and artemia nauplii are fed as bait；After one month, feed containing crude protein 42%~45%, crude fat
15%~20%, crude fibre 4%~6%, vitamin premix 3%~5%, inorganic salts premix 10%~15%, surplus are
The full price mash feed of moisture, after raising eight months, into the adult fish rearing stage, in that the adult fish rearing stage manually synthesizes
Grain feed is fed, and is domesticated for artificial synthesized pellet of ingesting, and management is raised and train in reinforcement, prevents from escaping fish phenomenon during raising and train
And control and prevention of disease.
Further, the artificial fecundation method of a kind of lip dace of the present invention, wherein the feeding habits in the step (3)
During conversion and reinforced cultivating, vitamin, lecithin and unrighted acid are also added with bait, the also daily morning and evening two
It is secondary to be fed, in the morning 8:00 and afternoon 5:00 point carries out dispensing bait, the feeding volume of the bait for lip dace body weight 2~
3%。
Further, the artificial fecundation method of a kind of lip dace of the present invention, wherein high-quality in the step (5)
During seed rearing and artificial domestication, every day feeding volume of the bait, mash feed and pellet is the 3 of lip dace body weight
~5%, it then follows throw multiple principle less, feed daily 4~6 times.
Using a kind of artificial fecundation method of lip dace of the present invention, compared with prior art, its advantage is：
According to the life habit of lip dace, good growth, developing environment are provided for it, fertilization uses manual operation, is provided for fertilization
Suitable environment, greatly increase the success rate of fertilization；The hatching and dispensing of fry are carried out in specific environment, are ensured
The success rate of hatching and the survival rate of fry.The yield and survival rate of seed can be increased substantially, so as to reduce aquaculture cost.
Also help simultaneously and promote lip dace breeding scale and population continuity, increase indigenous strains aquaculture and consumption new varieties, protection
Local Excellent germ plasm resource, proliferating population quantity, biometric safeguard diversity and the ecological balance, substantial amounts of lip dace wound is cultivated for people
Huge investment opportunity and considerable economic benefit have been made, the needs of large-scale cultivation can be met.
Embodiment
In order to more fully explain the implementation of the present invention, below by embodiment to the further solution of technical scheme
Release, but protection scope of the present invention should not be limited by the examples.
Embodiment 1：
A kind of artificial fecundation method of lip dace, methods described mainly include the following steps that：
(1) culture pond is built：Parent fish rearing, running water technology are carried out as parent fish rearing pond using the flowing water pond of simulating natural environment
Pool area is more than 30 square metres, 0.6~0.8m of the depth of water, and water velocity is 0.1~0.15m/s, water body pH6.8~7.2, dissolved oxygen
More than 6mg/L, the anniversary water temperature random place mat cobblestone or place stone accumulation at culture pond bottom between 20~23 DEG C and build shape
Into multichannel gap, manual simulation river course is formed, is sheltered for fish, water source is used using springwater and underground water as cultivation
Water, it is desirable to which water quality is limpid pollution-free, and transparency is more than 60cm, meets the basic growth conditions of lip dace；
(2) parent population seed selects：The wild lip dace of capture is screened, select it is physical strong it is disease-free, individual uniformly, without bleeding
Spot, without deformity, the preferable lip dace of development as cultivating object, and the lip dace to having screened carries out embathing sterilization；
(3) conversion of food habit and reinforced cultivating：It will be invested in culture pond by embathing sterilization posterior lip dace, while be thrown into culture pond
Put bait and carry out artificial domestication, within the previous moon raised and train, using yolk, soya-bean milk, milk, wheel animalcule and artemia without section children
Body is fed as bait, after two months, manually synthesizes powdery feedstuff feeding, after eight months, manually synthesis particle material
Fed, gradually realize and ingested from food transformation behaviour synthesis particle material, to accelerate parent population gonadal maturation；Wherein
Vitamin, lecithin and unrighted acid are also added with bait, is fed twice sooner or later daily, in the morning 8:00 He
Afternoon 5:00 point carries out dispensing bait, and the feeding volume of bait is the 2~2.5% of lip dace body weight；
(4) ovum, insemination, hatching are adopted：Every year in mating period in 3~May, the lip dace of the gonadal maturation in selection age at age 4
Parent population, high-quality ovum and seminal fluid are obtained by manual compression method, wet method of artificial fertilization is then carried out, after insemination, using proportion
Method separates heavy, floating ovum, and it is embryonated egg to float ovum, is counted, and counts rate of fertilization, then by embryonated egg in 15~17 DEG C of water temperature conditions
Under, it is placed in miniflow water and the incubation net cage of micro- inflation and is hatched, completes to hatch through the time of 3~5 days；
(5) high-quality seed rearing and artificial domestication：To lip dace young baby using yolk, soya-bean milk, milk, wheel animalcule, cladocera, Copepods
Aquatic animal and artemia nauplii are fed as bait；After one month, feed containing crude protein 42%~45%, crude fat
15%~20%, crude fibre 4%~6%, vitamin premix 3%~5%, inorganic salts premix 10%~15%, surplus are
The full price mash feed of moisture, after raising eight months, into the adult fish rearing stage, in that the adult fish rearing stage manually synthesizes
Grain feed is fed, and is domesticated for artificial synthesized pellet of ingesting, and management is raised and train in reinforcement, prevents from escaping fish phenomenon during raising and train
And control and prevention of disease；Every day feeding volume of wherein described bait, mash feed and pellet is the 3~4% of lip dace body weight, it then follows
Multiple principle is thrown less, is fed daily 4~5 times.
After measured：Lip dace is after conversion of food habit and reinforced cultivating, gonad development success rate 98.35%, rate of fertilization
72.86%th, incubation rate 81.75%.
Embodiment 2：
A kind of artificial fecundation method of lip dace, methods described mainly include the following steps that：
(1) culture pond is built：Parent fish rearing, running water technology are carried out as parent fish rearing pond using the flowing water pond of simulating natural environment
Pool area is more than 30 square metres, 0.8~1.0m of the depth of water, and water velocity is 0.15~0.2m/s, water body pH7.0~7.5, dissolved oxygen
More than 6mg/L, the anniversary water temperature random place mat cobblestone or place stone accumulation at culture pond bottom between 20~23 DEG C and build shape
Into multichannel gap, manual simulation river course is formed, is sheltered for fish, water source, using side river valley is beaten as breeding water
Ask water quality limpid pollution-free, transparency is more than 60cm, meets the basic growth conditions of lip dace；
(2) parent population seed selects：The wild lip dace of capture is screened, select it is physical strong it is disease-free, individual uniformly, without bleeding
Spot, without deformity, the preferable lip dace of development as cultivating object, and the lip dace to having screened carries out embathing sterilization；
(3) conversion of food habit and reinforced cultivating：It will be invested in culture pond by embathing sterilization posterior lip dace, while be thrown into culture pond
Put bait and carry out artificial domestication, within the previous moon raised and train, using yolk, soya-bean milk, milk, wheel animalcule and artemia without section children
Body is fed as bait, after two months, manually synthesizes powdery feedstuff feeding, after eight months, manually synthesis particle material
Fed, gradually realize and ingested from food transformation behaviour synthesis particle material, to accelerate parent population gonadal maturation；Wherein
Vitamin, lecithin and unrighted acid are also added with bait, is fed twice sooner or later daily, in the morning 8:00 He
Afternoon 5:00 point carries out dispensing bait, and the feeding volume of bait is the 2.5~3% of lip dace body weight；
(4) ovum, insemination, hatching are adopted：Every year in mating period in 3~May, the lip dace of the gonadal maturation in selection age at age 5
Parent population, high-quality ovum and seminal fluid are obtained by manual compression method, wet method of artificial fertilization is then carried out, after insemination, using proportion
Method separates heavy, floating ovum, and it is embryonated egg to float ovum, is counted, and counts rate of fertilization, then by embryonated egg in 16~18 DEG C of water temperature conditions
Under, it is placed in miniflow water and the incubation net cage of micro- inflation and is hatched, completes to hatch through the time of 3~5 days；
(5) high-quality seed rearing and artificial domestication：To lip dace young baby using yolk, soya-bean milk, milk, wheel animalcule, cladocera, Copepods
Aquatic animal and artemia nauplii are fed as bait；After one month, feed containing crude protein 42%~45%, crude fat
15%~20%, crude fibre 4%~6%, vitamin premix 3%~5%, inorganic salts premix 10%~15%, surplus are
The full price mash feed of moisture, after raising eight months, into the adult fish rearing stage, in that the adult fish rearing stage manually synthesizes
Grain feed is fed, and is domesticated for artificial synthesized pellet of ingesting, and management is raised and train in reinforcement, prevents from escaping fish phenomenon during raising and train
And control and prevention of disease；Every day feeding volume of wherein described bait, mash feed and pellet is the 4~5% of lip dace body weight, it then follows
Multiple principle is thrown less, is fed daily 5~6 times.
After measured：Lip dace is after conversion of food habit and reinforced cultivating, gonad development success rate 96.48%, rate of fertilization
69.85%th, incubation rate 78.94%.
Embodiment described above only expresses the embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (3)
1. a kind of artificial fecundation method of lip dace, it is characterised in that methods described mainly includes the following steps that：
(1) culture pond is built：Parent fish rearing, running water technology are carried out as parent fish rearing pond using the flowing water pond of simulating natural environment
Pool area is more than 30 square metres, 0.6~1.0m of the depth of water, and water velocity is 0.1~0.2m/s, water body pH6.8~7.5, dissolved oxygen
More than 6mg/L, the anniversary water temperature random place mat cobblestone or place stone accumulation at culture pond bottom between 20~23 DEG C and build shape
Into multichannel gap, manual simulation river course is formed, is sheltered for fish, water source is using springwater, underground water, streams water, water
Bottom storehouse layer water, it is desirable to which water quality is limpid pollution-free, and transparency is more than 60cm, meets the basic growth conditions of lip dace；
(2) parent population seed selects：The wild lip dace of capture is screened, select it is physical strong it is disease-free, individual uniformly, without bleeding
Spot, without deformity, the preferable lip dace of development as cultivating object, and the lip dace to having screened carries out embathing sterilization；
(3) conversion of food habit and reinforced cultivating：It will be invested in culture pond by embathing sterilization posterior lip dace, while be thrown into culture pond
Put bait and carry out artificial domestication, within the previous moon raised and train, using yolk, soya-bean milk, milk, wheel animalcule and artemia without section children
Body is fed as bait, after two months, manually synthesizes powdery feedstuff feeding, after eight months, manually synthesis particle material
Fed, gradually realize and ingested from food transformation behaviour synthesis particle material, to accelerate parent population gonadal maturation；
(4) ovum, insemination, hatching are adopted：Every year in mating period in 3~May, the lip of the gonadal maturation in selection age at age 4~5
Dace parent populations, high-quality ovum and seminal fluid are obtained by manual compression method, then carry out wet method of artificial fertilization, after insemination, using than
Weight method separates heavy, floating ovum, and it is embryonated egg to float ovum, is counted, and counts rate of fertilization, then by embryonated egg in 15~18 DEG C of water temperature bars
Under part, it is placed in miniflow water and the incubation net cage of micro- inflation and is hatched, completes to hatch through the time of 3~5 days；
(5) high-quality seed rearing and artificial domestication：To lip dace young baby using yolk, soya-bean milk, milk, wheel animalcule, cladocera, Copepods
Aquatic animal and artemia nauplii are fed as bait；After one month, feed containing crude protein 42%~45%, crude fat
15%~20%, crude fibre 4%~6%, vitamin premix 3%~5%, inorganic salts premix 10%~15%, surplus are
The full price mash feed of moisture, after raising eight months, into the adult fish rearing stage, in that the adult fish rearing stage manually synthesizes
Grain feed is fed, and is domesticated for artificial synthesized pellet of ingesting, and management is raised and train in reinforcement, prevents from escaping fish phenomenon during raising and train
And control and prevention of disease.
A kind of 2. artificial fecundation method of lip dace according to claim 1, it is characterised in that：In the step (3)
During conversion of food habit and reinforced cultivating, vitamin, lecithin and unrighted acid are also added with bait, it is also early daily
Evening is fed twice, and in the morning 8:00 and afternoon 5:00 point carries out dispensing bait, and the feeding volume of the bait is lip dace body weight
2~3%.
A kind of 3. artificial fecundation method of lip dace according to claim 1, it is characterised in that：In the step (5)
During high-quality seed rearing and artificial domestication, every day feeding volume of the bait, mash feed and pellet is lip dace body
The 3~5% of weight, it then follows throw multiple principle less, feed daily 4~6 times.
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