CN103039387A - Breeding method for largescale shoveljaw fish fries - Google Patents
Breeding method for largescale shoveljaw fish fries Download PDFInfo
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- CN103039387A CN103039387A CN2012105541940A CN201210554194A CN103039387A CN 103039387 A CN103039387 A CN 103039387A CN 2012105541940 A CN2012105541940 A CN 2012105541940A CN 201210554194 A CN201210554194 A CN 201210554194A CN 103039387 A CN103039387 A CN 103039387A
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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
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Abstract
The invention discloses a breeding method for largescale shoveljaw fish fries. The breeding method includes the specific steps: 1) selecting sexually mature parent fishes with more than three years old; 2) serially and seasonally injecting spawning agents to induce spawning and spermiation; 3) placing the parent fishes into a spawning pond according to the proportion of 1:1.5 of hens to milters and controlling water temperature at 19-24 DEG C for spawning management; 4) performing artificial dry fertilization when estrus signs appear; 5) placing fertilized ova into an incubator in a gutter channel for incubation; and 6) gradually dispersing hatched larva fishes to a water surface and transferring the larva fishes into a fry pond to breed the largescale shoveljaw fish fries. Well developed largescale shoveljaw fish fries can be acquired, the operation process is simple and convenient, fertilization rate is high, large-scale breeding of largescale shoveljaw fishes can be ensured, and the breeding method has excellent economic and social benefits.
Description
Technical field
The present invention relates to a kind of fry mating system, specifically the mating system of a kind of money fish fry.
Background technology
The money fish is the precious wild fingerling of one way of life in height above sea level 230～800m place water system, its fine and tender taste, delicious not raw meat, nutritious, medical value is high, in recent years, because overfishing and natural environment are subject to the many reasons such as pollution, the money fish of some areas has been in the extinction edge, and a lot of R﹠D institutions have set about adding the research that a lot of money fish breeds, but for various reasons, the market demand of a large amount of cultivation can't be satisfied in the very emblem of producing effects at all.
Summary of the invention
The object of the present invention is to provide the mating system of a kind of money fish fry, it is simple to have reproductive process, just the characteristics to operate.
The present invention includes money fish fingerling, the technical scheme that adopts is:
Concrete mating system is as follows:
1) selects kind of a fish: select above sexually matured money fingerling fish in three ages, standard is: good shape is strong, gonad development is good, be that the star-pursuing of milter rhynchodaenm is obvious, body surface is coarse, disposition vivaciously, gently presses belly to have seminal fluid to flow out, the raun bodily form is plentiful, the swollen circle of belly, gonopore are ruddy;
2) artificial induced spawning: give kind of a fish injection oxytocic hormone mating season, induce it to lay eggs and ejaculation, injecting method is a thoracic cavity injection, and the injection site is: the pectoral fin base portion is 40 degree subscripts and enters;
3) management of hastening parturition: the kind fish behind the artificial induced spawning is put into spawning pond in ratio female, milter 1:1.5, throw in density and be: 4～5 groups/m
2, in the daily management process, keep emblem flowing water to annotate spawning pond, the dissolved oxygen of water is greater than 5.5mg/L in the spawning pond, and water temperature is controlled at 19～24 ℃;
4) artificial insemination: 20～24 hours effect time, observe when obviously oestrusing sign, take artificial dry method fertilization, namely the time of fertilization is not with water;
5) hatching of fertilized egg: adopt the mode that incubator box is set in the Lotic hatching groove to hatch, fertilized egg is interspersed among in the incubator box, every case is placed 3000 in fertilized egg, Spawning water will be processed after filtration, reaching water sanctions limpid, dissolved oxygen and reaches 6 mg/L, pH value meta-alkalescence, water temperature and be controlled at 19～24 ℃, and above each incubator box, adopt the fountain water inlet, at the bottom of the draining employing pond overflow and arrange in the pond;
6) prelarva management: the prelarva behind the membrane is cultivated in incubation tank, treats that it is distributed to when moving about on the water level gradually, changes in the fry rearing pond, namely cultivates to be money fish fry.
In the technique scheme: the oxytocic hormone method 2) is: No. 2, luteotropin releasing hormone d-ala analog of fish during use, add spawning-induced addition agent by whenever adding the emblem gram, it is 1 milligram of vitamin, with the normal saline dilution preparation, injected dose is: every tail raun 0.2ml, milter 0.1ml.
Method 6) prelarva in is the juvenile fish of membrane after 3～5 days.
The present invention passes through technique scheme, because breeding from kind of fish of money fish fry selected to begin all to have adopted the comparatively method of science to the overall process of breeding as fry, every procedure all meets the life habit of money fish fully, artificial induced spawning and artificial insemination and final-period management have been adopted in addition, reliability and the survival rate of breeding have been improved, can concentrate thus the well-developed money fish fry that obtains in batches, can be extensive development money fish Reliable guarantee is provided, have fabulous economic benefit and social effect.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
Carry out money fingerling fish and select in Shennongjiawooded Area height above sea level 230m water system, concrete mating system is as follows:
1) selects kind of a fish: select above sexually matured money fingerling fish in three ages, standard is: good shape is strong, gonad development is good, be that the star-pursuing of milter rhynchodaenm is obvious, body surface is coarse, disposition vivaciously, gently presses belly to have seminal fluid to flow out, the raun bodily form is plentiful, the swollen circle of belly, gonopore are ruddy;
2) artificial induced spawning: give kind of a fish injection oxytocic hormone mating season, induce it to lay eggs and ejaculation, injecting method is a thoracic cavity injection, and the injection site is: the pectoral fin base portion is 40 degree subscripts and enters;
3) management of hastening parturition: the kind fish behind the artificial induced spawning is put into spawning pond in ratio female, milter 1:1.5, throw in density and be: 4 groups/m
2, in the daily management process, keep emblem flowing water to annotate spawning pond, the dissolved oxygen of water is greater than 5.5mg/L in the spawning pond, and water temperature is controlled at 19 ℃;
4) artificial insemination: 20 hours effect time, observe when obviously oestrusing sign, take artificial dry method fertilization, namely the time of fertilization is not with water;
5) hatching of fertilized egg: adopt the mode that incubator box is set in the Lotic hatching groove to hatch, fertilized egg is interspersed among in the incubator box, every case is placed 3000 in fertilized egg, Spawning water will be processed after filtration, reaching water sanctions limpid, dissolved oxygen and reaches 6 mg/L, pH value meta-alkalescence, water temperature and be controlled at 19 ℃, and above each incubator box, adopt the fountain water inlet, at the bottom of the draining employing pond overflow and arrange in the pond;
6) prelarva management: the prelarva behind the membrane is cultivated in incubation tank, treats that it is distributed to when moving about on the water level gradually, changes in the fry rearing pond, namely cultivates to be money fish fry.
Method 2) oxytocic hormone in is: No. 2, luteotropin releasing hormone d-ala analog of fish, during use, add spawning-induced addition agent by whenever adding the emblem gram, and namely vitamin is 1 milligram, and with the normal saline dilution preparation, injected dose is: every tail raun 0.2ml, milter 0.1ml.
Method 6) prelarva in is the juvenile fish of membrane after 3 days.
Embodiment 2:
Carry out money fingerling fish and select in Shennongjiawooded Area height above sea level 250m water system, concrete mating system is as follows:
1) selects kind of a fish: select above sexually matured money fingerling fish in three ages, standard is: good shape is strong, gonad development is good, be that the star-pursuing of milter rhynchodaenm is obvious, body surface is coarse, disposition vivaciously, gently presses belly to have seminal fluid to flow out, the raun bodily form is plentiful, the swollen circle of belly, gonopore are ruddy;
2) artificial induced spawning: give kind of a fish injection oxytocic hormone mating season, induce it to lay eggs and ejaculation, injecting method is a thoracic cavity injection, and the injection site is: the pectoral fin base portion is 40 degree subscripts and enters;
3) management of hastening parturition: the kind fish behind the artificial induced spawning is put into spawning pond in ratio female, milter 1:1.5, throw in density and be: 5 groups/m
2, in the daily management process, keep emblem flowing water to annotate spawning pond, the dissolved oxygen of water is greater than 5.5mg/L in the spawning pond, and water temperature is controlled at 22 ℃;
4) artificial insemination: 22 hours effect time, observe when obviously oestrusing sign, take artificial dry method fertilization, namely the time of fertilization is not with water;
5) hatching of fertilized egg: adopt the mode that incubator box is set in the Lotic hatching groove to hatch, fertilized egg is interspersed among in the incubator box, every case is placed 3000 in fertilized egg, Spawning water will be processed after filtration, reaching water sanctions limpid, dissolved oxygen and reaches 6 mg/L, pH value meta-alkalescence, water temperature and be controlled at 22 ℃, and above each incubator box, adopt the fountain water inlet, at the bottom of the draining employing pond overflow and arrange in the pond;
6) prelarva management: the prelarva behind the membrane is cultivated in incubation tank, treats that it is distributed to when moving about on the water level gradually, changes in the fry rearing pond, namely cultivates to be money fish fry.
Method 2) oxytocic hormone in is: No. 2, luteotropin releasing hormone d-ala analog of fish, during use, add spawning-induced addition agent by whenever adding the emblem gram, and namely vitamin is 1 milligram, and with the normal saline dilution preparation, injected dose is: every tail raun 0.2ml, milter 0.1ml.
Method 6) prelarva in is the juvenile fish of membrane after 4 days.
Embodiment 3:
Carry out money fingerling fish and select in Shennongjiawooded Area height above sea level 800m water system, concrete mating system is as follows:
1) selects kind of a fish: select above sexually matured money fingerling fish in three ages, standard is: good shape is strong, gonad development is good, be that the star-pursuing of milter rhynchodaenm is obvious, body surface is coarse, disposition vivaciously, gently presses belly to have seminal fluid to flow out, the raun bodily form is plentiful, the swollen circle of belly, gonopore are ruddy;
2) artificial induced spawning: give kind of a fish injection oxytocic hormone mating season, induce it to lay eggs and ejaculation, injecting method is a thoracic cavity injection, and the injection site is: the pectoral fin base portion is 40 degree subscripts and enters;
3) management of hastening parturition: the kind fish behind the artificial induced spawning is put into spawning pond in ratio female, milter 1:1.5, throw in density and be: 5 groups/m
2, in the daily management process, keep emblem flowing water to annotate spawning pond, the dissolved oxygen of water is greater than 5.5mg/L in the spawning pond, and water temperature is controlled at 24 ℃;
4) artificial insemination: 24 hours effect time, observe when obviously oestrusing sign, take artificial dry method fertilization, namely the time of fertilization is not with water;
5) hatching of fertilized egg: adopt the mode that incubator box is set in the Lotic hatching groove to hatch, fertilized egg is interspersed among in the incubator box, every case is placed 3000 in fertilized egg, Spawning water will be processed after filtration, reaching water sanctions limpid, dissolved oxygen and reaches 6 mg/L, pH value meta-alkalescence, water temperature and be controlled at 24 ℃, and above each incubator box, adopt the fountain water inlet, at the bottom of the draining employing pond overflow and arrange in the pond;
6) prelarva management: the prelarva behind the membrane is cultivated in incubation tank, treats that it is distributed to when moving about on the water level gradually, changes in the fry rearing pond, namely cultivates to be money fish fry.
Method 2) oxytocic hormone in is: No. 2, luteotropin releasing hormone d-ala analog of fish, during use, add spawning-induced addition agent by whenever adding the emblem gram, and namely vitamin is 1 milligram, and with the normal saline dilution preparation, injected dose is: every tail raun 0.2ml, milter 0.1ml.
Method 6) prelarva in is the juvenile fish of membrane after 5 days.
Employed Lotic hatching recess gauge lattice are in the present embodiment: 220cm * 80cm * 30cm, and, the incubator box specification of interior setting is: 68cm * 45cm * 20cm, incubator box adopt the batten framework to add screen cloth.
Claims (3)
1. the mating system of fish fry comprises money fingerling fish, it is characterized in that:
Concrete mating system is as follows:
1) selects kind of a fish: select above sexually matured money fingerling fish in three ages, standard is: good shape is strong, gonad development is good, be that the star-pursuing of milter rhynchodaenm is obvious, body surface is coarse, disposition vivaciously, gently presses belly to have seminal fluid to flow out, the raun bodily form is plentiful, the swollen circle of belly, gonopore are ruddy;
2) artificial induced spawning: give kind of a fish injection oxytocic hormone mating season, induce it to lay eggs and ejaculation, injecting method is a thoracic cavity injection, and the injection site is: the pectoral fin base portion is 40 degree subscripts and enters;
3) management of hastening parturition: the kind fish behind the artificial induced spawning is put into spawning pond in ratio female, milter 1:1.5, throw in density and be: 4～5 groups/m
2, in the daily management process, keep emblem flowing water to annotate spawning pond, the dissolved oxygen of water is greater than 5.5mg/L in the spawning pond, and water temperature is controlled at 19～24 ℃;
4) artificial insemination: 20～24 hours effect time, observe when obviously oestrusing sign, take artificial dry method fertilization, namely the time of fertilization is not with water;
5) hatching of fertilized egg: adopt the mode that incubator box is set in the Lotic hatching groove to hatch, fertilized egg is interspersed among in the incubator box, every case is placed 3000 in fertilized egg, Spawning water will be processed after filtration, reaching water sanctions limpid, dissolved oxygen and reaches 6 mg/L, pH value meta-alkalescence, water temperature and be controlled at 19～24 ℃, and above each incubator box, adopt the fountain water inlet, at the bottom of the draining employing pond overflow and arrange in the pond;
6) prelarva management: the prelarva behind the membrane is cultivated in incubation tank, treats that it is distributed to when moving about on the water level gradually, changes in the fry rearing pond, namely cultivates to be money fish fry.
2. the mating system of a kind of money fish fry according to claim 1 is characterized in that:
-1-
Method 2) oxytocic hormone in is: No. 2, luteotropin releasing hormone d-ala analog of fish, during use, add spawning-induced addition agent by whenever adding the emblem gram, and namely vitamin is 1 milligram, and with the normal saline dilution preparation, injected dose is: every tail raun 0.2ml, milter 0.1ml.
3. the mating system of a kind of money fish fry according to claim 1, it is characterized in that: the prelarva method 6) is the juvenile fish of membrane after 3～5 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105541940A CN103039387A (en) | 2012-12-19 | 2012-12-19 | Breeding method for largescale shoveljaw fish fries |
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| CN2012105541940A CN103039387A (en) | 2012-12-19 | 2012-12-19 | Breeding method for largescale shoveljaw fish fries |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766709A (en) * | 2016-03-04 | 2016-07-20 | 镇坪县天源生态养殖有限公司 | Adult fish breeding method of varicorhinus macrolepis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766709A (en) * | 2016-03-04 | 2016-07-20 | 镇坪县天源生态养殖有限公司 | Adult fish breeding method of varicorhinus macrolepis |
| CN105766709B (en) * | 2016-03-04 | 2018-11-02 | 镇坪县天源生态养殖有限公司 | A kind of adult fish rearing method of more squama shovel jaw fishes |
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Application publication date: 20130417 |