CN106417105A - Fish-fry breeding method for semilabeo obscurus - Google Patents
Fish-fry breeding method for semilabeo obscurus Download PDFInfo
- Publication number
- CN106417105A CN106417105A CN201610837430.8A CN201610837430A CN106417105A CN 106417105 A CN106417105 A CN 106417105A CN 201610837430 A CN201610837430 A CN 201610837430A CN 106417105 A CN106417105 A CN 106417105A
- Authority
- CN
- China
- Prior art keywords
- fish
- water
- fry
- raun
- pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009395 breeding Methods 0.000 title abstract description 10
- 241000481647 Semilabeo obscurus Species 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 241000251468 Actinopterygii Species 0.000 claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 21
- 239000001301 oxygen Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000005276 aerator Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 210000000582 semen Anatomy 0.000 claims description 31
- 241000594011 Leuciscus leuciscus Species 0.000 claims description 16
- 210000001015 abdomen Anatomy 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 14
- 230000000384 rearing effect Effects 0.000 claims description 12
- 239000008267 milk Substances 0.000 claims description 10
- 210000004080 milk Anatomy 0.000 claims description 10
- 235000013336 milk Nutrition 0.000 claims description 10
- 230000004720 fertilization Effects 0.000 claims description 9
- 230000037396 body weight Effects 0.000 claims description 8
- 102000002322 Egg Proteins Human genes 0.000 claims description 7
- 108010000912 Egg Proteins Proteins 0.000 claims description 7
- 238000011534 incubation Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 210000004681 ovum Anatomy 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 210000002969 egg yolk Anatomy 0.000 claims description 6
- 235000010469 Glycine max Nutrition 0.000 claims description 5
- 244000068988 Glycine max Species 0.000 claims description 5
- 230000003203 everyday effect Effects 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 230000036541 health Effects 0.000 claims description 4
- 239000002504 physiological saline solution Substances 0.000 claims description 4
- 229930182555 Penicillin Natural products 0.000 claims description 3
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 230000006806 disease prevention Effects 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000005213 imbibition Methods 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229940049954 penicillin Drugs 0.000 claims description 3
- 241001000394 Diaphania hyalinata Species 0.000 claims description 2
- 241000700141 Rotifera Species 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 235000019733 Fish meal Nutrition 0.000 claims 1
- 239000004467 fishmeal Substances 0.000 claims 1
- 230000035800 maturation Effects 0.000 claims 1
- 230000001488 breeding effect Effects 0.000 abstract description 7
- 230000012447 hatching Effects 0.000 abstract description 6
- 230000004083 survival effect Effects 0.000 abstract description 6
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 2
- 230000002196 ecbolic effect Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 5
- 210000000214 mouth Anatomy 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 241000248484 Ichthyophthirius Species 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229920000832 Cutin Polymers 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 210000001508 eye Anatomy 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001595 mastoid Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 230000032696 parturition Effects 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 241001247197 Cephalocarida Species 0.000 description 1
- 241000223782 Ciliophora Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000252210 Cyprinidae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 206010020565 Hyperaemia Diseases 0.000 description 1
- 241000248482 Ichthyophthirius multifiliis Species 0.000 description 1
- 241001505010 Onychostoma Species 0.000 description 1
- 241000191442 Tenualosa reevesii Species 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 244000144987 brood Species 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000013020 embryo development Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 210000002816 gill Anatomy 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009413 insulation Methods 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
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a fish-fry breeding method for semilabeo obscurus. The fish-fry breeding method for the semilabeo obscurus comprises the following steps: A, feeding parent fish; B, selecting the parent fish; C, putting the parent fish selected in the step B into a spawning induction pool for feeding; D, injecting an oxytocic to the parent fish in the spawning induction pool; E, artificially hatching, and performing in the environment of light resistance and shading; F, hatching the spawns for 80 h in a hatching pool and breaking membranes, absorbing after 2-4 days, then the fish-fry can float and swim flatly; G, throwing the fish-fry obtained in the step F, wherein the throw-in density is 100000 tails/mu; the throw-in time is morning or evening without direct illumination, the temperature difference of the throw-in water temperature is lower than or equal to 2 DEG C, and the throw-in pool water is clear water; the requirements of the throw-in pool are that the water is 60-80 cm in depth, dissolved oxygen is greater than or equal to 5 mg/l, intake and discharge water ports are configured and provided with filtering devices, and an aerator is configured in the pool; and throwing and feeding; and H, preventing and controlling diseases. The method is used for breeding the fish-fry of the semilabeo obscurus, and is capable of greatly improving the yield and survival rate of the fish-fry, and reducing the breeding cost.
Description
Technical field
The invention belongs to onychostoma simus cultural technique field, the fry rearing method of especially a kind of dark-coloured lip dace.
Background technology
Dark-coloured lip dace, is also called snoot fish, belongs to fish Osteichthyes Cypriniformes Cyprinidae lip dace and belongs to.Body is more elongated, slightly side
Flat.Dark-coloured lip fish happiness inhabits rivers tributary, mountain area, is only distributed in Yunnan Province of China Yuanjiang River, the Youjiang River, Guangxi and Hongsuihe River..Move in
At the bottom of cavern water, moss, algae and canebreak on rock of ingesting.Meat flavour is delicious, is place of production food fish.Body is more elongated, slightly flat-sided.
Head wedge shape.Kiss circle is blunt, highlights forward.Cutin little mastoid process marshalling on kiss skin, forms a horizontal broadband.Lower lip is thick, upwards
Inwardly curved, the cutin mastoid region of its front portion is relatively big, tapers into backward, is shrunk to a delta-shaped region to chin portion.Mouth is the next, horizontal
Split.Kiss long must approximate a footpath, and bicker must be degenerated.Enclose 20 22 pieces of caudal peduncle squama.Anus is away from anal fin starting point, ripe individual body
It is about 280mm.
The fry of the existing dark-coloured lip dace propagated artificially is fished from local fisherman and fishes for, and fingerling source mode is single, fish
Body mechanical damage is more serious, easily infects water mold and produces stress reaction, and survival rate is low.
Content of the invention
It is an object of the invention to provide a kind of fry rearing method of dark-coloured lip dace, use artificial breeding seed, improve
The yield of seed and survival rate.
The object of the present invention is achieved like this：A kind of fry rearing method of dark-coloured lip dace, comprises the following steps：
A, kind of fish being put into kind of a fishpond and being fed, planting fishpond is rectangle pond, depth of water 60cm to 100cm, water temperature 17 DEG C to 22 DEG C,
Dissolved oxygen is more than or equal to 5mg/l, and discharge meets water per hour and exchanges 2 times；
B, to mating period when select kind of a fish：On milter mouth, pearl star is obvious, appearance not damaged, and without deformity, light pressure belly can flow out
Milky seminal fluid, the long 26cm to 32cm of body, body weight 260g to 320g；Raun belly expands, softness, and body surface not damaged, scale is complete
Whole, gonopore pinkiness, body length is more than or equal to 40cm, and body weight is more than or equal to 600g；
C, the kind fish picking out step B are put into spawning inducing pool and feed, spawning inducing pool floor space 3 to 4, and discharge meets often little
Shi Chishui at least exchanges 2 times, water temperature 17 DEG C to 22 DEG C, and dissolved oxygen is more than or equal to 5mg/l；
D, the kind fish injection ocyodinic in spawning inducing pool；
E, artificial incubation：
E1, when kind of a fish starts mutually to chase, milter is pulled out, dries the moisture on gonopore, then press belly, allow it
Seminal fluid flows out, with syringe by seminal fluid collecting；After treating seminal fluid collecting well, then raun is pulled out, with towel by the moisture of health
Wipe, then press belly, clamp-on fish-egg in china bowl；
E2, seminal fluid being clamp-oned china bowl, seminal fluid mixes with the fish-egg of seminal fluid and 1 raun that the ratio of fish-egg meets 2-3 bar milter；
Pour the physiological saline 2ml that mass concentration is 0.9% again into, stirring, after mixing, add clear water, from be stirred to add clear water
Interval time is less than 30 seconds, stirring quick and graceful in the movements, gentle, adds the ovum of clear water to start fertilization, imbibition, continues filling
Clear water；
E3, place after 1min to 2min in china bowl, then move in big basin, absorb water in big basin until fish-egg and be fertilized after 1h, will be subject to
Essence ovum is evenly coated on the artificial fish nest in hatchery, and is passed through flowing water in hatchery and hatches, and the water temperature of hatchery is high
In 17 DEG C, dissolved oxygen is more than or equal to 6mg/l；
This step is all carried out in the environment of lucifuge is sheltered from heat or light；
F, fish-egg 80h in hatchery got final product incubation of membrane, and the fry after membrane is in the interior vegetative phase, through the suction of 2-4 days
Receiving, fry floats and puts down trip；
G, the fry obtaining in step F is thrown in, throw in density：30000 tails/mu is to 50000 tails/mu；Release time：Early
Morning or dusk, not having direct light photograph, throwing in the water temperature temperature difference and be less than or equal to 2 DEG C, the water throwing in pond is clear water, microfluidic；
Throw in pond to require：Depth of water 60cm-80cm, dissolved oxygen is more than or equal to 5mg/l, enters the configurating filtered facility of discharge outlet, configures in pond
Aerator；Feed after input；
H, control and prevention of disease.
Further, in step D, a kind fish injection ocyodinic good to maturity, ocyodinic uses LRH-A2, HCG
And DOM, the injection volume of every kilogram of raun is the DOM of the HCG+3mg of the LRH-A2+1000IU of 10ug, the injection of every kilogram of milter
Amount halves compared with raun；
Inject ocyodinic twice to imperfect kind of fish of maturity, for the first time injection：The LRH-A2 of every kilogram of raun injection 10ug,
The injection volume of every kilogram of milter halves compared with raun；Second time injection：The LRH-A2+1000IU's of every kilogram of raun injection 20ug
The DOM of HCG+5mg, the injection volume of every kilogram of milter halves compared with raun；The time interval of double injection 12 hours.
Further, in step G, eel powder, soya-bean milk, milk or yolk is used to feed as bait, every ten thousand tail fishes
Seedling feeds bait 5g every time, feeds 6-8 time every day, it then follows few principle thrown repeatedly.
Further, after step E1, milter and the raun penicillin of 400 units are invaded bubble, more separately put into and protect postpartum
The recuperation of reason pond.
Further, in step H, the prevention and control of ich：With copper sulphate and ferrous sulfate mixed solution full pool spilling head.
The invention has the beneficial effects as follows：According to the life habit of dark-coloured lip dace, for kind of the growth that fish offer is good, grow ring
Border, it is ensured that the quality and quantity of seminal fluid and fish-egg；Fertilization uses manual operation, provides suitable environment, greatly for fertilization
Improve the success rate of fertilization；The hatching of fry and input are all carried out in specific environment, it is ensured that the success rate of hatching and fish
The survival rate of seedling.Use this method to carry out the seed breeding of dark-coloured lip dace, yield and the survival rate of seed can be increased substantially,
Thus reduce aquaculture cost.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
The fry rearing method of a kind of dark-coloured lip dace of the present invention, comprises the following steps：
A, kind of fish being put into kind of a fishpond and being fed, planting fishpond is rectangle pond, and length 30m in pond, width 5m, pool inner water is deep
60cm to 100cm, water temperature 17 DEG C to 22 DEG C, dissolved oxygen is more than or equal to 5mg/l, and discharge meets water exchange per hour 2 times,
Configure well shade net.Additionally, can suitably place some cobblestones etc. according to simulation wild environment at the bottom of pond, form cave, to allow it
Shake down.Plant fish to fish for from local fisherman, kind of fishpond is recovered physique, carries out raising and train of artitificial food so that it is be suitable
Should with accept manually feed, feed uses the high-quality kind fish bait that is of high nutritive value, can allow the life from wild environment for the wild fish
Stockpile to tire out and be transformed into existence accumulation+reproduction accumulation, to greatly speed up the growth of piscinity gland.
B, to mating period when select kind of a fish：On milter mouth, pearl star is obvious, appearance not damaged, without deformity, and light pressure belly energy
Flow out milky seminal fluid, the long 26cm to 32cm of body, the long 30cm of body weight 260g to 320g, preferably body, the kind fish of body weight about 300g；Female
Fish belly portion expands, softness, body surface not damaged, and scale is complete, gonopore pinkiness, and body length is more than or equal to 40cm, and body weight is big
In or be equal to 400g；Preferably long more than the 40cm of body, the kind fish more than 600g for the body weight；Raun individuality is bigger, and fish brood amount is more, because of
This, it should select the female kind of fish that build is big as much as possible.
C, the kind fish picking out step B are put into spawning inducing pool and feed, spawning inducing pool floor space 3 to 4, and discharge meets
Water at least exchanges 2 times per hour, water temperature 17 DEG C to 22 DEG C, and dissolved oxygen is more than or equal to 5mg/l；Spawning inducing pool area is less, in order to
In pulling kind of a fish out.
D, the kind fish injection ocyodinic in spawning inducing pool；
E, artificial incubation：Before collecting semen and fish-egg, various apparatus are used 10ppm（Solute mass accounts for the hundred of complete soln quality
Very much than）KMNO4 solution disinfection 10min.
E1, when kind of a fish starts mutually to chase, milter is pulled out, dries the moisture on gonopore, then press belly,
Its seminal fluid is allowed to flow out, with syringe by seminal fluid collecting；After treating seminal fluid collecting well, then raun is pulled out, with towel by health
Moisture wipes, then presses belly, clamp-ons fish-egg in china bowl；Seminal fluid collecting uses the mode that two people coordinate, and a people squeezes
Extruding seminal fluid, another uses syringe collecting.It should be noted that do not contact with water before fish-egg mixing at seminal fluid during collection.Hero after collection
Fish and raun are put in different buckets.
E2, seminal fluid being clamp-oned china bowl, seminal fluid meets the seminal fluid of 2-3 bar milter and the fish-egg of 1 raun with the ratio of fish-egg
Mixing；Pour the physiological saline 2ml that mass concentration is 0.9% again into, use feather stirring, after mixing, add clear water, from
It is stirred to add clear water interval time to be less than 30 seconds, stirring quick and graceful in the movements, gentle, add the ovum of clear water to start fertilization, inhale
Water expands, and continues filling clear water；
E3, place after 1min to 2min in china bowl, then move in big basin, absorb water in big basin until fish-egg and be fertilized after 1h, will be subject to
Essence ovum is evenly coated on the artificial fish nest in hatchery, and is passed through flowing water in hatchery and hatches, and the water temperature of hatchery is high
In 17 DEG C, dissolved oxygen is more than or equal to 6mg/l；Hatchery should be near spawning inducing pool, it should be furnished with complete water filtering system, builds
It is relatively suitable in booth, shading, insulation.Water temperature is higher, and the hatch fish roe time is shorter, and dissolved oxygen controls at more than 6mg/l, and fish-egg is incubated
The dissolved oxygen changed growth in time and need can increase.After fertilization completes 10h, owing to embryonic development is carried out, it is desirable to hasten parturition
Water stream is unsuitable excessive.
This step is all carried out in the environment of lucifuge is sheltered from heat or light.
F, fish-egg 80h in hatchery got final product incubation of membrane, and the fry after membrane is in the interior vegetative phase, through 2-4 days
Absorption, fry floats flat trip.This when just can feed the bait of less yolk etc, and gets out the standard on the pool under fry
Standby work, can use the mode of net cage hanging culture to manage fry.
G, the fry obtaining in step F is thrown in, throw in density：30000 tails/mu is to 50000 tails/mu, preferably
40000 tails/mu；Release time：Morning or dusk, there is no direct light photograph, throw in the water temperature temperature difference and be less than or equal to 2 DEG C, throw in
Wheel animalcule quantity in pond water peaks the phase；Throw in pond to require：Depth of water 60cm-80cm, dissolved oxygen is more than or equal to 5mg/l,
Enter the configurating filtered facility of discharge outlet, in pond, configure aerator；Feed after input.Throw in pond water quality requirement alive, tender, fertile, refreshing.
Enter discharge outlet should configurating filtered facility, prevent the harm fry safety such as large-scale wild fishes and cladocera.Before fry feed
Based on stage tries one's best with the feed of high nutritive value, fry ingests a part, and remaining a part of rich water, beneficially fry is to live bait
The supply of material.The nursery nurturing period, it should conscientiously pay close attention to Changes in weather, and nursery pond dissolved oxygen situation, nursery pond is equipped with emergent increasing
Oxygen machine, to prevent fry anoxic.Conscientiously carry out water temperature record and the management notes of every day, should adhere to every day more than 3 times patrolling the pool, and
When clean out the foreign material in pond.
H, control and prevention of disease
Ich, Ichthyophthirius protozoa, Ciliata, recess section, Ichthyophthirius, main parasitic is at the skin of fish
The positions such as skin, fin, the gill, head, oral cavity and eye, the white little point-like of variance in form, naked eyes are visible.Serious macrura reevesii body shows little from head to foot
White point, therefore claim ichthyophthirius.It causes body surface respectively to organize hyperemia, can not look for food, in addition secondary bacterial, disease after the little melonworm of infection of marine fishes
Poison infects, and large quantities of fish can be caused dead, and its death rate up to 60%～70%, is even annihilated, is brought breeding production seriously
Threaten.Treatment method：With the copper sulphate that concentration is 0.7ppm and ferrous sulfate mixed solution full pool spilling head.Should observe anti-at ordinary times
Overweight the principle controlled.Removing too much mud at the bottom of pond, cement pool wall to be scrubbed, and to carry out disinfection with quick lime or bleaching powder.
For pond, seedling rearing room Cultivated water, strengthen quantity of exchanged water, improve water quality, periodically sterilize.Seedling rearing room apparatus is through conventional formalin
Or liquor potassic permanganate carries out disinfection, and accomplish that special pond is special.Should be sampled checking before the pool or entrance net cage under fish, if discovery
Ichthyophthirius multifiliis should use said method to treat in time.Breeding density is unsuitable excessive, daily should strengthen nutrition, improves the opposing of fish body
Power.
Due to the scarcity of Wild fish resources, adding the severe of field survivorship environment, the raun typically collected is ripe
Spend not high, and milter maturity is good, but individual little, for the developmental state for kind of fish, preferably hasten parturition, step
In rapid D, a kind fish injection ocyodinic good to maturity, ocyodinic uses LRH-A2, HCG and DOM, the note of every kilogram of raun
The amount of penetrating is the DOM of the HCG+3mg of the LRH-A2+1000IU of 10ug, and the injection volume of every kilogram of milter halves compared with raun；
Inject ocyodinic twice to imperfect kind of fish of maturity, for the first time injection：The LRH-A2 of every kilogram of raun injection 10ug,
The injection volume of every kilogram of milter halves compared with raun；Second time injection：The LRH-A2+1000IU's of every kilogram of raun injection 20ug
The DOM of HCG+5mg, the injection volume of every kilogram of milter halves compared with raun；The time interval of double injection 12 hours.LRH-A2、HCG
It is existing conventional ocyodinic with DOM.
In step G, using eel powder, soya-bean milk, milk or yolk to feed as bait, every ten thousand tail fries feed every time
Bait 5g, feeds 6-8 time every day, it then follows few principle thrown repeatedly.The protein content that eel powder, soya-bean milk, milk or yolk are
The growth of height, beneficially fry.
After step E1, milter and the raun penicillin of 400 units are invaded bubble, kind of a fish is carried out disinfection, more separately puts into
Recuperate in postnatal care pond.
Embodiment：
The dark-coloured lip dace 38 kilograms that fisherman salvages is bought in certain fish farm, puts into kind of fishpond and feeds.Planting fishpond is the rectangular of 30m*5m
Shape pond, depth of water 80cm, water temperature 17 DEG C to 22 DEG C, dissolved oxygen 6mg/l, discharge meets water per hour and exchanges 2 times.To breeding season
Joint, meets 12 kilograms that seed selection requires, the kind fish of satisfied requirement is put into spawning inducing pool and feeds, spawning inducing pool floor space 4, current
Amount meets water per hour and exchanges 2.5 times, water temperature 17 DEG C to 22 DEG C, dissolved oxygen 6mg/l；Maturity according to kind of fish is in spawning inducing pool
Kind fish injection ocyodinic.When kind of a fish starts mutually to chase, milter is pulled out, dry the moisture on gonopore, then press
Pressure belly, allows its seminal fluid flow out, with syringe by seminal fluid collecting；After treating seminal fluid collecting well, then raun is pulled out, will with towel
The moisture of health wipes, then presses belly, clamp-ons fish-egg in china bowl；Seminal fluid is clamp-oned china bowl, the seminal fluid of every milter and 2
The fish-egg mixing of bar raun；Pour the physiological saline 2ml that mass concentration is 0.9% again into, with chicken feather stirring, after mixing, then add
Enter clear water, add the ovum of clear water to start fertilization, imbibition, continue filling clear water.After placing 2min in china bowl, then move into big
It in basin, after fish-egg absorbs water fertilization 1h in big basin, is evenly coated in embryonated egg on the artificial fish nest in hatchery, and to hatching
It is passed through flowing water in pond to hatch, the water temperature of hatchery 20 DEG C-25 DEG C, dissolved oxygen 7mg/l, and be slowly increased to 9 mg/l.Fish-egg
Incubation of membrane after 80h in hatchery, the fry after membrane is in the interior vegetative phase, and through the absorption of 2-4 days, fry floated flat
Trip.Fry is thrown in, throws in density：40000 tails/mu；Release time：Morning or dusk, there is no direct light photograph, throw in
The water temperature temperature difference is less than or equal to 2 DEG C, and the water throwing in pond is clear water, microfluidic；Throw in pond to require：Depth of water 70cm, dissolved oxygen
6mg/l.Using eel powder, soya-bean milk, milk or yolk to feed as bait, every ten thousand tail fries feed bait 5g, often every time
Day feeds 7 times.The survival rate of fry 40 percent, forms big specification fry 70000 tail.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (5)
1. the fry rearing method of a dark-coloured lip dace, it is characterised in that comprise the following steps：
A, kind of fish being put into kind of a fishpond and being fed, planting fishpond is rectangle pond, depth of water 60cm to 100cm, water temperature 17 DEG C to 22 DEG C,
Dissolved oxygen is more than or equal to 5mg/l, and discharge meets water per hour and exchanges 2 times；
B, to mating period when select kind of a fish：On milter mouth, pearl star is obvious, appearance not damaged, and without deformity, light pressure belly can flow out
Milky seminal fluid, the long 26cm to 32cm of body, body weight 260g to 320g；Raun belly expands, softness, and body surface not damaged, scale is complete
Whole, gonopore pinkiness, body length is more than or equal to 40cm, and body weight is more than or equal to 600g；
C, the kind fish picking out step B are put into spawning inducing pool and feed, spawning inducing pool floor space 3 to 4, and discharge meets often little
Shi Chishui at least exchanges 2 times, water temperature 17 DEG C to 22 DEG C, and dissolved oxygen is more than or equal to 5mg/l；
D, the kind fish injection ocyodinic in spawning inducing pool；
E, artificial incubation：
E1, when kind of a fish starts mutually to chase, milter is pulled out, dries the moisture on gonopore, then press belly, allow it
Seminal fluid flows out, with syringe by seminal fluid collecting；After treating seminal fluid collecting well, then raun is pulled out, with towel by the moisture of health
Wipe, then press belly, clamp-on fish-egg in china bowl；
E2, seminal fluid being clamp-oned china bowl, it is mixed with the fish-egg of 2 to 3 rauns that seminal fluid and the ratio of fish-egg meet the seminal fluid of 1 milter
Close；Pour the physiological saline 2ml that mass concentration is 0.9% again into, stirring, after mixing, add clear water, from be stirred to add
Clear water interval time is less than 30 seconds, stirring quick and graceful in the movements, gentle, adds the ovum of clear water to start fertilization, imbibition, continues
Filling clear water；
E3, place after 1min to 2min in china bowl, then move in big basin, absorb water in big basin until fish-egg and be fertilized after 1h, will be subject to
Essence ovum is evenly coated on the artificial fish nest in hatchery, and is passed through flowing water in hatchery and hatches, and the water temperature of hatchery is high
In 17 DEG C, dissolved oxygen is more than or equal to 6mg/l；
This step is all carried out in the environment of lucifuge is sheltered from heat or light；
F, fish-egg 80h in hatchery got final product incubation of membrane, and the fry after membrane is in the interior vegetative phase, through the suction of 2-4 days
Receiving, fry floats and puts down trip；
G, the fry obtaining in step F is thrown in, throw in density：30000 tails/mu is to 50000 tails/mu；Release time：Early
Morning or dusk, not having direct light photograph, throwing in the water temperature temperature difference and be less than or equal to 2 DEG C, the wheel animalcule quantity thrown in pond water reaches
Peak period；Throw in pond to require：Depth of water 60cm-80cm, dissolved oxygen is more than or equal to 5mg/l, enters the configurating filtered facility of discharge outlet, pond
Interior configuration aerator；Feed after input；
H, control and prevention of disease.
2. the fry rearing method of a kind of dark-coloured lip dace according to claim 1, it is characterised in that in step D, to maturation
Kind fish the ocyodinic of injection spent, ocyodinic uses LRH-A2, HCG and DOM, and the injection volume of every kilogram of raun is 10ug's
The DOM of the HCG+3mg of LRH-A2+1000IU, the injection volume of every kilogram of milter halves compared with raun；
Inject ocyodinic twice to imperfect kind of fish of maturity, for the first time injection：The LRH-A2 of every kilogram of raun injection 10ug,
The injection volume of every kilogram of milter halves compared with raun；Second time injection：The LRH-A2+1000IU's of every kilogram of raun injection 20ug
The DOM of HCG+5mg, the injection volume of every kilogram of milter halves compared with raun；The time interval of double injection 12 hours.
3. the fry rearing method of a kind of dark-coloured lip dace according to claim 1, it is characterised in that in step G, use eel
Fish meal, soya-bean milk, milk or yolk feed as bait, and every ten thousand tail fries feed bait 5g every time, feed 6-8 time every day,
Follow few principle thrown repeatedly.
4. the fry rearing method of a kind of dark-coloured lip dace according to claim 1, it is characterised in that after step E1, by hero
Bubble invaded by fish and the raun penicillin of 400 units, more separately puts into the recuperation of postnatal care pond.
5. the fry rearing method of a kind of dark-coloured lip dace according to claim 1, it is characterised in that in step H, little melonworm
Sick prevention and control：With copper sulphate and ferrous sulfate mixed solution full pool spilling head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837430.8A CN106417105B (en) | 2016-09-21 | 2016-09-21 | A kind of fry rearing method of dead color lip dace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837430.8A CN106417105B (en) | 2016-09-21 | 2016-09-21 | A kind of fry rearing method of dead color lip dace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106417105A true CN106417105A (en) | 2017-02-22 |
| CN106417105B CN106417105B (en) | 2019-11-05 |
Family
ID=58166647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610837430.8A Active CN106417105B (en) | 2016-09-21 | 2016-09-21 | A kind of fry rearing method of dead color lip dace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106417105B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372230A (en) * | 2017-09-20 | 2017-11-24 | 吴宇 | A kind of artificial fecundation method of lip dace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609503A (en) * | 2013-12-13 | 2014-03-05 | 蒲德成 | Ecology-imitating cultivating breeding method for parent fishes of scaphesthes macrolepis |
| CN104642212A (en) * | 2013-11-19 | 2015-05-27 | 湖北省水产科学研究所 | Artificial breeding method for onychostoma simus |
-
2016
- 2016-09-21 CN CN201610837430.8A patent/CN106417105B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104642212A (en) * | 2013-11-19 | 2015-05-27 | 湖北省水产科学研究所 | Artificial breeding method for onychostoma simus |
| CN103609503A (en) * | 2013-12-13 | 2014-03-05 | 蒲德成 | Ecology-imitating cultivating breeding method for parent fishes of scaphesthes macrolepis |
Non-Patent Citations (1)
| Title |
|---|
| 李联满: "《特种鱼类养殖全书》", 15 April 2008, 四川出版集团四川科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372230A (en) * | 2017-09-20 | 2017-11-24 | 吴宇 | A kind of artificial fecundation method of lip dace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106417105B (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106359195B (en) | A kind of offspring breeding method of vacricorhinus gerlachi | |
| CN104273074B (en) | A kind of method for cultivating cuttlefish seedling | |
| CN103168711A (en) | Breeding method of Russian carps | |
| CN105684962B (en) | One kind sticks up mouth Culter and triangular bream hybrid preparation method | |
| CN105028273B (en) | Method for artificial domestication and cultivation of semilabeo notabilis | |
| CN104381218A (en) | Breeding method of Procypris merus | |
| CN104145865A (en) | Breeding method of hybrid mandarin fishes | |
| CN103636543A (en) | Indoor artificial breeding method of glossogobius giuris | |
| CN101960996A (en) | Artificial breeding method of Scaphesthes macrolepis fry | |
| CN104642212A (en) | Artificial breeding method for onychostoma simus | |
| CN105325328A (en) | Method for culturing snakehead in pond | |
| CN104304103B (en) | A kind of doing sth. in advance breeds, cultivates big specification lip * offspring breeding method | |
| CN106172101A (en) | A kind of moon murrel Ecology breeding and efficient and healthful cultural method | |
| CN103493767B (en) | Odontobulis mpotamophila and Odontobutis yaluensis cross breeding method | |
| CN103478023A (en) | Artificial propagation technology for Rhodeus sinensis | |
| CN101790967B (en) | Culture method of early-breeding seedlings of Charybdis japonica | |
| CN103843710A (en) | Breeding and culture method of erythroculter ilishaeformis | |
| CN103262819A (en) | Crossbreeding and seedling method of odontobutis potamophila and odontobutis yaluensis | |
| CN104488776A (en) | Intensive propagation and breeding method for freshwater shrimps | |
| CN102487867B (en) | Mixed culture method for sepia esculenta offspring seed and cynoglossus semilaevis offspring seed | |
| CN104285855A (en) | Large-scale xenocypris davidi bleeker artificial reproduction method | |
| CN104160992A (en) | Ecological breeding method for grass carps | |
| CN109874706A (en) | A kind of trans-regional adaptation cultural method of rock porgy fish | |
| CN105265362A (en) | Cross breeding method for improving growth traits of slender mandarinfish | |
| CN105557595A (en) | Cultivation method for brachymystax lenok fry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |