CN106508747A - Parent fish rearing method for gymnocypris potanini - Google Patents
Parent fish rearing method for gymnocypris potanini Download PDFInfo
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- CN106508747A CN106508747A CN201610981414.6A CN201610981414A CN106508747A CN 106508747 A CN106508747 A CN 106508747A CN 201610981414 A CN201610981414 A CN 201610981414A CN 106508747 A CN106508747 A CN 106508747A
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- fish
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- fishes
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- 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
Abstract
The invention discloses a parent fish rearing method for gymnocypris potanini. The method comprises the steps that A, standby parent fishes are selected, wherein fishes without surface wounds are selected as the standby parent fishes; B, the parent fishes are put, wherein the parent fishes are put in breeding buckets, and the breeding buckets are disinfected with potassium permanganate; C, temporary rearing is carried out, wherein wild standby parent fishes are put in the buckets and are not fed; D, eating training is carried out, wherein water earthworms and feed special for salmon and bulltrout are mixed to be uniform for eating training; E, breeding is carried out, wherein fishes fished in anestrous seasons are bred; F, the parent fishes are selected, wherein before the anestrous seasons, the developed parent fishes are selected for gonad reinforcement breeding, and feed, water flow and male and female mixed culture are included; G, artificial reproduction is carried out, wherein the parent fishes stops being fed before artificial reproduction is carried out, the parent fishes are fished out, and the female fishes developed well are selected for artificial reproduction. The method is easy to implement and easy and convenient to operate, the parent fishes which are mature, large in brood amount, high in reproduction capacity and high in sperm and egg quality are obtained, and synchronous development of the male parent fishes and the female parent fishes is achieved.
Description
Technical field
The invention belongs to technical field of aquaculture, is more particularly to a kind of parent fish culture side of Songpan naked carp artificial propagation
Method, it is adaptable to Songpan naked carp parent fish of ectogenesis, can obtain using this method that fish brood amount is big, reproductive capacity strong, fish roe quality
The high female parent fish of Songpan naked carp and can greatly improve male and female parent fish synchronization maturing rate.
Background technology
Songpan naked carp (Gymnocypris potanini) category Cypriniformes, Cyprinidae, Gymnocypris, be commonly called as woods leaf, cold water fish,
Cold water rod etc., belongs to specialization type plateau mountain area cold water type Fish, is the provincial protection Fish in Sichuan Province, and China is distinctive important cold
Aqueouss economic fish.It is distributed mainly on the regions such as Upper Yangtze River tributary, including Ming River, Dadu River, the Lancang River, Jinsha jiang River, refined rice huller
The basins such as river.
The parent fish rearing of Fish has during the artificial propagation of Fish and is of great significance.Parent fish rearing method is
It is no correct, by directly affect parent fish whether can hasten parturition and fish brood amount, reproductive capacity and seedling incubation rate.Naked carp is artificial in Songpan
Propagation method is still immature, and using the breeding method of conventional Fish, it is difficult to ensure breeding for parent fish, seriously govern Songpan naked
Cyprinus carpio artificial propagation.Applicant is studied through for many years, has invented a kind of parent fish rearing side for being specifically designed for Songpan naked carp artificial propagation
Method.
At present, Songpan naked carp there is no the Fish of artificial cultivation, after mostly fisherman fishes for, select development in mating period preferable
Fish inject after temporarily supporting and hastens parturition, artificial propagation is very unstable, very big by natural conditions constraint.And artificial breeding will be realized
Grow, it is necessary to carry out special parent fish rearing.
The content of the invention
The purpose of the present invention is to there are provided a kind of parent fish cultural method of Songpan naked carp artificial propagation, easy to implement the method,
It is easy to operate, reached maturity, fish brood amount is big, reproductive capacity is strong, the parent fish that smart archiblast amount is high, and it is same to realize male and female parent fish
Step is ripe.
In order to realize above-mentioned purpose, the present invention adopts following technical measures：
A kind of parent fish cultural method of Songpan naked carp artificial propagation, its step is：
1. reserve parent fish is selected：Body surface is selected without wound, body constitution it is strong as reserve parent fish, wild milter specification be 10cm
More than, below 25cm, wild raun specification are more than 18cm, below 50cm.
2. parent fish is thrown in：It is 10～15/M that density is thrown in breeding barrel2.Before input, breeding barrel is disappeared with potassium permanganate
Poison, concentration are 15ppm.A diameter of 1M of described breeding barrel, a height of 120CM, in bucket, the depth of water is 30～40CM.
3. temporarily support：Wild reserve parent fish is rendered in bucket, and feeding is not carried out in 3 days.
4. food is tamed and dociled：For the wild parent fish fished for, need to carry out taming and dociling food Jing after temporarily supporting, it is special using Limnodrilus hoffmeisteri and Salmons
With feedstuff (purchasing on market, Salmons feedstuff of the specification for 0.8#), mix homogeneously carries out taming and dociling food, is fish body per day feeding volume
The 2～6% of weight.Feed daily 2 times, tame and docile food 15 days, after 15 days, feed commodity mixed feed.Specifically the scheme of raising and train is shown in Table 1.
Table 1 tames and dociles food scheme
5. cultivate：If in the fish that anestrous season is fished for, need to be cultivated, (annual 12- when season is suitable
2 months) artificial propagation is carried out, now need to only feed commodity mixed feed.
6. parent fish is selected：Before treating mating period (annual November), the preferable parent fish of development is selected, reinforcing gonad is carried out
Cultivate：A. feedstuff：Now feedstuff (feedstuff based on Limnodrilus hoffmeisteri：Limnodrilus hoffmeisteri=8:2), it is aided with mixed feed, feeds daily 2 times,
Sooner or later respectively once, the 3% of body weight is fed every time；Night increase once feeds Limnodrilus hoffmeisteri, feeding volume for body weight 8%；B. current：
Water velocity is adjusted to 0.5M/s；C. male and female are raised together with：Raun development preferably typically have on dorsal fin " pearl star ", milter develop compared with
Good has " pearl star " in dorsal fin, pectoral fin, abdomeinal fin, anal fin, tail fin, and a small amount of milter also has " pearl star " in head, will be " pearl star " bright
Aobvious male and female parent fish is raised together with, beneficial to gonad development.
7. artificial propagation：Before carrying out artificial propagation, 1 day parent fish stops eating, and pulls parent fish out and selects development preferable, and fish brood amount is big
Raun carry out artificial propagation.The average fish brood amount of female fish parent fish will now be obtained more than 15/gram；And parent fish Jing artificial induced spawnings
Afterwards, survival rate is more than 85%.
Described Limnodrilus hoffmeisteri：Need to clean 3-5 time repeatedly when feeding, and float after 5ppm potassium permanganate soaks 20 minutes
Few 3 times are washed till to can mix with feedstuff after completely clean.
Described feedstuff：Chengdu lattice indigo plant 810 rainbow trout opening material (0.8#) of board.
It is feeds utilized to be not limited to the above Products, it is commercially available equal to use.
The present invention compared with prior art, with advantages below and effect：
1. body constitution is excellent.Jing after artificial propagation, the survival rate after the parent fish of parent fish rearing method is reclaimed can reach more than 85%,
And typically fish for the survival rate that parent fish is only less than 20%.
2. raun fish brood amount is high.Jing cultivates the raun fish brood amount of parent fish and can reach 600～2000, and it is female to fish for parent fish
Fish fish brood amount only has 500～1000.
3. male and female are ripe synchronous.When Jing hastens parturition, female milter is synchronous ripe, can carry out artificial fertilization, and the parent fish fished for, it is past
Ripe toward there is milter, raun can not be ripe, or raun is ripe, the state that milter has degenerated, and needs substantial amounts of parent fish storage
It is standby.
4. incubation rate is high.Jing after parent fish rearing, smart archiblast amount is high, and seedling incubation rate is more than 85%, and typically fishes for parent fish
Incubation rate there was only 60% or so.
Description of the drawings
Fig. 1 is a kind of parent fish cultural method block diagram of Songpan naked carp artificial propagation.
Wherein：1- select reserve parent fish, 2- throw in parent fish, 3- temporarily support, 4- tame and docile food, 5- cultivation, 6- select parent fish,
7- reinforcing Sexual gland breedings, 8- artificial propagations.
Specific embodiment
Embodiment 1：
A kind of parent fish cultural method of Songpan naked carp artificial propagation, its step is：(below to cultivate 3kg, specification is 30g/
As a example by the raun of tail)
1. reserve parent fish 1 is selected：Raun after selected, specification are about 25g/ bars, and raun average size is 20cm.
2. parent fish 2 is thrown in：It is 12/M that density is thrown in breeding barrel2.Before input, breeding barrel is sterilized with potassium permanganate,
Concentration is 15ppm.A diameter of 1M of described breeding barrel, a height of 120CM, in bucket, the depth of water is 38CM.
3. 3 are temporarily supported：Wild reserve parent fish is rendered in bucket, and feeding is not carried out in 3 days.
4. food 4 is tamed and dociled：Using Limnodrilus hoffmeisteri and Salmons special feed (Chengdu lattice indigo plant 810 rainbow trout of board that the present invention is adopted
Opening material (0.8#)) mix homogeneously carries out taming and dociling food, is the 2～6% of fish body weight per day feeding volume.Feed daily 2 times, tame and docile food 15
My god, commodity mixed feed is fed after 15 days.Specifically the scheme of raising and train is shown in Table 1.
Table 1 tames and dociles food scheme
5. 5 are cultivated：Until Songpan naked carp carries out artificial propagation during mating period, commodity need to be only fed during cultivation and coordinates feeding
Material.
6. parent fish 6 is selected：Before treating mating period (annual October), the preferable parent fish of development is selected, reinforcing gonad is carried out
Cultivate；
7. carry out strengthening Sexual gland breeding 7；The parent fish of select is carried out into reinforcing Sexual gland breeding, a. feedstuffs：Now feedstuff with
(feedstuff based on Limnodrilus hoffmeisteri：Limnodrilus hoffmeisteri=8:2), it is aided with mixed feed, feeds daily 2 times, sooner or later respectively once, feeds body weight every time
3%；Night increase once feeds Limnodrilus hoffmeisteri, feeding volume for body weight 8%；B. current：Water velocity is adjusted to 0.5M/s；c.
Male and female are raised together with：Raun development preferably typically has on dorsal fin " pearl star ", and milter is developed preferably in dorsal fin, pectoral fin, abdomeinal fin, buttockss
Fin, tail fin have " pearl star ", and a small amount of milter also has " pearl star " in head, " pearl star " significantly male and female parent fish are raised together with, beneficial to property
Gland is developed.
8. artificial propagation 8：Before carrying out artificial propagation, 1 day parent fish stops eating, and pulls parent fish out and selects development preferable, and fish brood amount is big
Raun carry out artificial propagation.After the completion of this embodiment, average 900/ tail of fish brood amount of female fish parent fish, incubation rate 89%, parent are obtained
Survival rate after fish is reclaimed reaches 85%.
Claims (1)
1. a kind of parent fish cultural method of Songpan naked carp artificial propagation, its step is：
A, select reserve parent fish：Fish of the body surface without wound is selected, used as reserve parent fish, wild milter specification is more than 10cm, 25cm
Hereinafter, wild raun specification is more than 18cm, below 50cm；
B, input parent fish：It is 10～15/M that density is thrown in breeding barrel2, before input, breeding barrel is sterilized with potassium permanganate, dense
Spend for 15ppm, a diameter of 1M, a height of 120CM of described breeding barrel, in bucket, the depth of water is 30～40CM；
C, temporarily support：Wild reserve parent fish is rendered in bucket, and feeding is not carried out in 3 days；
D, tame and docile food：Carry out taming and dociling food using Limnodrilus hoffmeisteri and Salmons special feed mix homogeneously, be the 2 of fish body weight per day feeding volume
～6%, feed daily 2 times, tame and docile food 15 days, after 15 days, feed commodity mixed feed；
E, cultivation：In the fish that anestrous season is fished for, cultivated, artificial propagation is carried out when season is suitable, is raised at ordinary times
Feed mixed feed；
F, select parent fish：The parent fish of development before treating mating period, is selected, reinforcing Sexual gland breeding is carried out：A. feedstuff：Now feedstuff
Based on Limnodrilus hoffmeisteri：Feedstuff：Limnodrilus hoffmeisteri=8:2, it is aided with mixed feed, feeds daily 2 times, sooner or later respectively once, feeds body every time
The 3% of weight；Night increase once feeds Limnodrilus hoffmeisteri, feeding volume for body weight 8%；B. current：Water velocity is adjusted to 0.5M/s；
C. male and female are raised together with：What raun developed has pearl star on dorsal fin, and what milter developed has in dorsal fin, pectoral fin, abdomeinal fin, anal fin, tail fin
Pearl star, milter have pearl star in head, and the male and female parent fish for having pearl star is raised together with；
G, artificial propagation：Before carrying out artificial propagation, 1 day parent fish stops eating, and pulls parent fish out, select physically well develop, the raun that fish brood amount is big
Artificial propagation is carried out, the average fish brood amount of female fish parent fish will be obtained more than 15/gram；
Described Limnodrilus hoffmeisteri：Cleaned 3-5 time before feeding repeatedly, clean the impurity such as silt, and 20 are soaked through 5ppm potassium permanganate
Rinse at least 3 times to mix to complete clean rear with feedstuff after minute.
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Cited By (3)
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| CN109511579A (en) * | 2018-10-17 | 2019-03-26 | 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 | The artificial propagation techniques of sharp naked carp |
| CN112119951A (en) * | 2020-10-30 | 2020-12-25 | 西藏自治区农牧科学院水产科学研究所 | Method for cultivating parent fish of Gymnocypris cyprinii |
| CN112136728A (en) * | 2020-10-10 | 2020-12-29 | 华电云南发电有限公司 | Artificial breeding method for first-filial-generation gymnocypris carpio koidzumi in circulating water system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511579A (en) * | 2018-10-17 | 2019-03-26 | 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 | The artificial propagation techniques of sharp naked carp |
| CN112136728A (en) * | 2020-10-10 | 2020-12-29 | 华电云南发电有限公司 | Artificial breeding method for first-filial-generation gymnocypris carpio koidzumi in circulating water system |
| CN112136728B (en) * | 2020-10-10 | 2022-07-15 | 华电云南发电有限公司 | Artificial breeding method for first-filial generation parent fish of Gymnocypris duringii in circulating water system |
| CN112119951A (en) * | 2020-10-30 | 2020-12-25 | 西藏自治区农牧科学院水产科学研究所 | Method for cultivating parent fish of Gymnocypris cyprinii |
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Effective date of registration: 20191218 Address after: East Lake New Technology Development Zone Wu Da Yuan Road 430223 in Hubei Province, Wuhan City, No. 8 Co-patentee after: Yalongjiang River Basin Hydropower Development Co., Ltd. Patentee after: Changjiang Aquatic Products Inst., Chinese Academy of Aquatic Products Sciences Address before: East Lake New Technology Development Zone Wu Da Yuan Road 430223 in Hubei Province, Wuhan City, No. 8 Patentee before: Changjiang Aquatic Products Inst., Chinese Academy of Aquatic Products Sciences |
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