CN105557588A - Method for breeding eleutheronema tetradactylum fry - Google Patents

Method for breeding eleutheronema tetradactylum fry Download PDF

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Publication number
CN105557588A
CN105557588A CN201610021170.7A CN201610021170A CN105557588A CN 105557588 A CN105557588 A CN 105557588A CN 201610021170 A CN201610021170 A CN 201610021170A CN 105557588 A CN105557588 A CN 105557588A
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China
Prior art keywords
pond
water
parent population
fry
fishes
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CN201610021170.7A
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Chinese (zh)
Inventor
罗俊标
汤清亮
骆明飞
区又君
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Zhuhai Longsheng Seed Fish Cultivation Co Ltd
Modern Agricultural Development Center Zhuhai City
South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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Zhuhai Longsheng Seed Fish Cultivation Co Ltd
Modern Agricultural Development Center Zhuhai City
South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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Priority to CN201610021170.7A priority Critical patent/CN105557588A/en
Publication of CN105557588A publication Critical patent/CN105557588A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a method for breeding eleutheronema tetradactylum fry. The method includes the specific steps that after parental fishes are bred in an intensifying mode, ripe parental fishes are selected to be put into a circular spawning pond to be bred; fertilized eggs are collected every day and put into a hatching barrel to be hatched till membranes are broken; after the eggs are collected, the spawning pond is cleaned, and seawater is injected into the spawning pond, wherein the eggs of the same batch of parental fishes are continuously spawned and collected for 5 months or above; an earth pond is disinfected through quicklime, and basic food organisms are prepared through fermented organic fertilizers, EM compound bacteria and eel powder; when rich food organisms exist in the water body, larva fishes two days after membrane breaking are put into the earth pond, and are bred till the fry are 2-3 cm in size. According to the method, the circular spawning pond is adopted, circulation flow is used for impacting, the parental fishes perform circumferential motion along the pond walls, and spermiation and ovulation of the parental fishes are facilitated; the parental fishes can chronically and naturally spawn without hormone injection; as the fry are bred in the earth pond, mass production of the fry is more facilitated, limiting of indoor facility building is broken, and industrialization development is more facilitated.

Description

The breeding method of threadfin fry
Technical field
The invention belongs to aquaculture field, specifically the breeding method of a kind of threadfin fry.
Background technology
Threadfin (Eleutheronematetradactylum), also referred to as Ma You, popular name chapter jump, the noon fish, Niu Sun, fish of holding a memorial ceremony for.Belong to Perciformes (Perciformes), Polynemidae (Polynemidae), threadfin belongs to (Eleutheronema).It is famous aquaculture high-economic fish, is mainly distributed in coastal waters, at the bottom of loose shallow mud.Being gregariousness property fish, Chang Chengqun migration, sometimes swims in river mouth or mangrove forest and looks for food.Sometimes river is entered in the winter time.Adult fish predation shrimp and fish, juvenile fish predation juvenile prawn and oppossum shrimp.
Threadfin, among the people very popular, is a kind of good edible fishes, and fine and tender taste is delicious, has much economic worth, fried quite delicious, can eat raw or process and make can.The negligible amounts of natural threadfin, double just in drift net, otter-trawl etc. catches object, and output is not high.Taiwan starts to cultivate threadfin at inner harbor case net in recent years, and exports continent, but acquisition of its cultivation seed not yet formed can the technology path of industrialization.In recent years artificial breeding is carried out in continent, and Chinese patent CN103478047A discloses a kind of threadfin artificial raise seedling method, needs artificial repening parent population natural spawning, and is directly hatch in nursery pond; Will change water and soil pick-up after 5d, workload is large, and the water quality management difficulty in indoor raising of seedling pond is high, easy water quality deterioration, causes that disease occurs, survival rate is not high.In addition, when the fry of indoor culture is put into the cultivation of the outer pool, also will through the laundering period in early stage, survival rate is on the low side; Divide pond by fry after 15d, easily cause fry injured, bacteria infection, disease occurs.
Summary of the invention
The object of this invention is to provide and a kind ofly induce the long-term natural spawning of threadfin and carry out the method for cultivating at Tu Chi.
For achieving the above object, the present invention by the following technical solutions:
The breeding method of threadfin fry, comprises the following steps:
S1, parent population, after reinforced cultivating, are selected ripe parent population to be put into circular spawning pond and cultivate;
S2, every day collect fertilized egg, and fertilized egg, through cleaning, is removed dead ovum, is put into hatching pail, through 17 ~ 24h membrane; Clean spawning pond after receiving ovum, inject seawater, lay eggs continuously with a collection of parent population and receive ovum more than 5 months;
S3, Tu Chi are exposed to the sun after mud at the bottom of draining, removing pond, with lime disinfection, then cultivate food organisms with the fertilizer fermented, EM compound bacteria and eel powder;
S4, reach 35 ~ 40cm when water transparency, in water body during existing abundant food organisms, put the prelarva after membrane 2d into Tu Chi, cultivate to fry and reach 2 ~ 3cm.
Further, be conical bottom at the bottom of the pond of described circular spawning pond, be provided with a drainpipe in the middle of at the bottom of pond, the top of circular spawning pond is provided with a water inlet pipe, and pool wall is provided with a receipts oviduct.
Further, the reinforced cultivating of described step S1 specifically: every day to throw something and feed living bait and manufactured feed by 3 ~ 5% of fish body weight, sooner or later respectively throws something and feeds once.
Further, described parent population requires more than body weight 1.5kg, and figure is healthy, and raun requires that belly rises slightly, maturity is better, and milter requires that flicking belly adularescent seminal fluid flows out.
Further, in described step S1, parent population at the condition of culture of circular spawning pond is: parent population 5 tails/m 3, parent population female-male proportion 1:1, salinity water 25 ~ 28, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, nitrite lower than 0.1mg/L, every day quantity of exchanged water about 150%.
Further, in described step S1, utilize the water impact of circulation, allow parent population move along pool wall.
Further, in described step S2, the condition of incubating oosperm is: each hatching pail is containing fertilized egg 0.5kg, and salinity water 25 ~ 28, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, trace is inflated.
Further, in described step S4, prelarva puts Tu Chi into by 250,000 tails/mu, starts to supplement throw something and feed wheel animalcule, fairy shrimp, copepoda, cladocera and eel powder after 3d, adds fresh fresh water gradually, to the required salinity of 25d desalination.
The present invention has following beneficial effect:
1, the present invention adopts circular spawning pond, utilizes the water impact of circulation, allows parent population circle along pool wall, chase mutually, is conducive to promoting the ovulation of parent population ejaculation.
2, under condition of culture of the present invention, parent population does not need to inject hormone, can natural spawning for a long time, each receive ovum after clean spawning pond, injection fresh seawater, this batch of parent population can continue lay eggs and receive ovum that night, lays eggs continuously and receive ovum more than 5 months with a collection of parent population.
3, the present invention is provided with receipts oviduct at the pool wall of spawning pond, carry out controlling water level by water inlet and draining, so that collect fertilized egg, the fertilized egg gathered is transferred in hatching pail and is hatched, spawning pond can continue lay eggs and receive ovum for second day, directly hatches science more at nursery pond than in conventional method.
4, the present invention adopts seedling rearing in earth ponds, more favourable large-scale production seedling, has broken the restriction of building inside plant, has more been conducive to industrialized development, under natural environment, natural bait enriches, save bait cost, save the labour be choked with filth at the bottom of indoor soil pick-up and exhaustion pond simultaneously, and change the time of water, the water quality management of soil pond fish seedling is simple, nursery is carried out on the pool outside, does not need the laundering period during cultivation, and therefore survival rate is higher than indoor survival rate of fish fry.
5, the present invention adopts eel powder to cultivate basic food organisms, simple and quick.
6, fry is desalinated through Tu Tang, according to the requirement of cultivation, can provide the fry of different salinity, is conducive to the area cultivation of pure fresh water.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention's circular spawning pond used.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further:
Circular spawning pond used is conveniently induced parent population natural spawning and collects fertilized egg, strictly do not limit its diameter equal-specification.
embodiment 1
Threadfin fry is cultivated according to following steps:
1, parent population is through reinforced cultivating: every day to throw something and feed living bait (small fish and shrimp) and manufactured feed by 5% of fish body weight, sooner or later respectively throws something and feeds once;
2, the selection of parent population: parent population requires more than body weight 1.5kg, figure is healthy, and raun requires that belly rises slightly, maturity is better, and milter requires that flicking belly adularescent seminal fluid flows out;
3, the cultivation of circular spawning pond is put into according to female-male proportion 1:1,5 tails/m by cultivating ripe parent population 3, salinity water 28, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, nitrite is lower than 0.1mg/L, and quantity of exchanged water about 150%, kept water stabilization, normally ingested every day; Be conical bottom at the bottom of the pond of this circular spawning pond 1, be provided with a drainpipe 4 in the middle of at the bottom of pond, the diameter of circular spawning pond 1 is 5m, and top is provided with a water inlet pipe 2, and water inlet pipe 2 tilts 45 ° and puts in circular spawning pond 1, and pool wall is provided with a receipts oviduct 3; Utilize the water impact of circulation, allow parent population circle along pool wall, increase amount of exercise, parent population chases mutually, is conducive to promoting ejaculation ovulation; Daytime suitably reduces illumination, and whole day reduces ambient noise impact, just can natural spawning to about 9 parent populations in evening, 1 ~ 2 end when continuing up to 0;
4, lay eggs terminate after, carry out controlling water level by water inlet and draining, collect fertilized egg by receiving oviduct, fertilized egg is through cleaning, remove dead ovum, be put into the hatching pail of diameter 1.2m, each hatching pail contains fertilized egg 0.5kg, salinity water 25, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, trace inflation, through 17 ~ 24h membrane;
5, clean spawning pond after receiving ovum, inject fresh seawater, continue every night to lay eggs with a collection of parent population, lay eggs continuously and receive ovum 5 first quarter moons;
6, the Tu Chi of area 1 ~ 2 mu, Jiang Chishui drains, and clears out mud at the bottom of pond, shines the pool, cruelly to split for good at the bottom of pond;
7, to clean up the pond sterilization: enter water 50cm, salinity 22, water temperature controls 26 ~ 28 DEG C, pH8.0 ~ 8.5, uses the quicklime of 400ppm to clean up the pond, and uses fertilizer, EM compound bacteria and eel powder ferment to carry out cultivation foundation bait biology after 10d;
8, when water colour is obvious, water transparency reaches 35 ~ 40cm, in water body during existing abundant food organisms, prelarva after membrane 2d is put into Tu Chi to cultivate, prelarva puts Tu Chi into by 250,000 tails/mu, in the former pool of front 3d, the biological enough prelarvas of foundation bait ingest, start after 3d to supplement and to throw something and feed wheel animalcule, fairy shrimp, copepoda, cladocera and eel powder, every day adds fresh fresh water gradually, to 25d can desalinate to salinity be 3;
9, through the cultivation of 25d, fry reaches 2 ~ 3cm, can sell.
embodiment 2
Threadfin fry is cultivated according to following steps:
1, parent population is through reinforced cultivating: every day to throw something and feed living bait and manufactured feed by 3% of fish body weight, sooner or later respectively throws something and feeds once;
2, the selection of parent population: parent population requires more than body weight 1.5kg, figure is healthy, and raun requires that belly rises slightly, maturity is better, and milter requires that flicking belly adularescent seminal fluid flows out;
3, the cultivation of circular spawning pond is put into according to female-male proportion 1:1,5 tails/m by cultivating ripe parent population 3, salinity water 27, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, nitrite is lower than 0.1mg/L, and quantity of exchanged water about 150%, kept water stabilization, normally ingested every day; Utilize the water impact of circulation, allow parent population circle along pool wall, increase amount of exercise, parent population chases mutually, is conducive to promoting ejaculation ovulation; Daytime suitably reduces illumination, and whole day reduces ambient noise impact, just can natural spawning to about 9 parent populations in evening, 1 ~ 2 end when continuing up to 0;
4, lay eggs after end, carry out controlling water level by water inlet and draining, collect fertilized egg by receiving oviduct, fertilized egg is through cleaning, remove dead ovum, be put into hatching pail, each hatching pail contains fertilized egg 0.5kg, salinity water 26, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, trace inflation, through 17 ~ 24h membrane;
5, clean spawning pond after receiving ovum, inject fresh seawater, continue every night to lay eggs with a collection of parent population, lay eggs continuously and receive ovum 5 months;
6, the Tu Chi of area 1 ~ 2 mu, Jiang Chishui drains, and clears out mud at the bottom of pond, shines the pool, cruelly to split for good at the bottom of pond;
7, to clean up the pond sterilization: enter water 50cm, salinity 24, water temperature controls 26 ~ 28 DEG C, pH8.0 ~ 8.5, uses the quicklime of 400ppm to clean up the pond, and uses fertilizer, EM compound bacteria and eel powder ferment to carry out cultivation foundation bait biology after 10d;
8, when water colour is obvious, water transparency reaches 35 ~ 40cm, in water body during existing abundant food organisms, prelarva after membrane 2d is put into Tu Chi to cultivate, prelarva puts Tu Chi into by 250,000 tails/mu, in the former pool of front 3d, the biological enough prelarvas of foundation bait ingest, start after 3d to supplement and to throw something and feed wheel animalcule, fairy shrimp, copepoda, cladocera and eel powder, every day adds fresh fresh water gradually, arrive as required 25d desalinate to salinity be 1;
9, through the cultivation of 30d, fry reaches 2 ~ 3cm, can sell.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (8)

1. the breeding method of threadfin fry, is characterized in that, described breeding method comprises the following steps:
S1, parent population, after reinforced cultivating, are selected ripe parent population to be put into circular spawning pond and cultivate;
S2, every day collect fertilized egg, and fertilized egg, through cleaning, is removed dead ovum, is put into hatching pail, through 17 ~ 24h membrane; Clean spawning pond after receiving ovum, inject seawater, lay eggs continuously with a collection of parent population and receive ovum more than 5 months;
S3, Tu Chi are exposed to the sun after mud at the bottom of draining, removing pond, with lime disinfection, then cultivate food organisms with the fertilizer fermented, EM compound bacteria and eel powder;
S4, reach 35 ~ 40cm when water transparency, in water body during existing abundant food organisms, put the prelarva after membrane 2d into Tu Chi, cultivate to fry and reach 2 ~ 3cm.
2. breeding method according to claim 1, is characterized in that, is conical bottom at the bottom of the pond of described circular spawning pond, and be provided with a drainpipe in the middle of at the bottom of pond, the top of circular spawning pond is provided with a water inlet pipe, and pool wall is provided with a receipts oviduct.
3. breeding method according to claim 1, is characterized in that, the reinforced cultivating of described step S1 specifically: every day to throw something and feed living bait and manufactured feed by 3 ~ 5% of fish body weight, sooner or later respectively throws something and feeds once.
4. breeding method according to claim 1, is characterized in that, described parent population requires more than body weight 1.5kg, and figure is healthy, and raun requires that belly rises slightly, maturity is better, and milter requires that flicking belly adularescent seminal fluid flows out.
5. breeding method according to claim 1, is characterized in that, in described step S1, parent population at the condition of culture of circular spawning pond is: parent population 5 tails/m 3, parent population female-male proportion 1:1, salinity water 25 ~ 28, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, nitrite lower than 0.1mg/L, every day quantity of exchanged water about 150%.
6. breeding method according to claim 1, is characterized in that, in described step S1, utilizes the water impact of circulation, allows parent population move along pool wall.
7. breeding method according to claim 1, is characterized in that, in described step S2, the condition of incubating oosperm is: each hatching pail is containing fertilized egg 0.5kg, and salinity water 25 ~ 28, water temperature 26 ~ 28 DEG C, pH8.0 ~ 8.5, trace is inflated.
8. breeding method according to claim 1, is characterized in that, in described step S4, prelarva puts Tu Chi into by 250,000 tails/mu, start after 3d to supplement throw something and feed wheel animalcule, fairy shrimp, copepoda, cladocera and eel powder, add fresh fresh water gradually, desalinate to required salinity to 25d.
CN201610021170.7A 2016-01-12 2016-01-12 Method for breeding eleutheronema tetradactylum fry Pending CN105557588A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109699529A (en) * 2019-01-17 2019-05-03 茂名市金阳热带海珍养殖有限公司 A kind of large-scale artificial mating system of threadfin fish
CN110250047A (en) * 2019-06-14 2019-09-20 中国水产科学研究院南海水产研究所 A kind of method of industrial aquaculture threadfin
CN110663629A (en) * 2019-09-17 2020-01-10 谭丽朝 Fry breeding pool
CN111820156A (en) * 2020-05-28 2020-10-27 中国水产科学研究院南海水产研究所 Method for continuously collecting large amount of eggs in eleutheronema tetradactylum pond
CN112544509A (en) * 2020-12-10 2021-03-26 珠海市现代农业发展中心(珠海市金湾区台湾农民创业园管理委员会、珠海市农渔业科研与推广中心) Artificial breeding method of eleutheronema tetradactylum

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JP5639301B1 (en) * 2014-07-07 2014-12-10 鈴木 雅雄 Fish collection system and fish collection method

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CN102742525A (en) * 2012-07-04 2012-10-24 中国水产科学研究院东海水产研究所 Artificial domesticating method for eleutheronema tetradactylum
CN103478047A (en) * 2013-10-14 2014-01-01 浙江省舟山市水产研究所 Method for artificial breeding of eleutheronema tetradactylum
JP5639301B1 (en) * 2014-07-07 2014-12-10 鈴木 雅雄 Fish collection system and fish collection method

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109699529A (en) * 2019-01-17 2019-05-03 茂名市金阳热带海珍养殖有限公司 A kind of large-scale artificial mating system of threadfin fish
CN109699529B (en) * 2019-01-17 2021-04-27 广东金阳生物技术有限公司 Large-scale artificial breeding method of eleutheronema esculentum
CN110250047A (en) * 2019-06-14 2019-09-20 中国水产科学研究院南海水产研究所 A kind of method of industrial aquaculture threadfin
CN110663629A (en) * 2019-09-17 2020-01-10 谭丽朝 Fry breeding pool
CN111820156A (en) * 2020-05-28 2020-10-27 中国水产科学研究院南海水产研究所 Method for continuously collecting large amount of eggs in eleutheronema tetradactylum pond
CN112544509A (en) * 2020-12-10 2021-03-26 珠海市现代农业发展中心(珠海市金湾区台湾农民创业园管理委员会、珠海市农渔业科研与推广中心) Artificial breeding method of eleutheronema tetradactylum

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