CN101703011A - Method for cultivating synechogobius hast fry - Google Patents
Method for cultivating synechogobius hast fry Download PDFInfo
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- CN101703011A CN101703011A CN200910101372A CN200910101372A CN101703011A CN 101703011 A CN101703011 A CN 101703011A CN 200910101372 A CN200910101372 A CN 200910101372A CN 200910101372 A CN200910101372 A CN 200910101372A CN 101703011 A CN101703011 A CN 101703011A
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Abstract
The invention discloses a method for cultivating synechogobius hast (Temminck and Schlegel) fry, which belongs to agricultural mariculture technology. The method relates to the following: 1, a step of artificially breeding, which is to enclose 30 M2 of breeding pool as a dark room, put disinfected tiles at the bottom of the pool, observe the gonad maturation of fishes, put parent fishes in a male-female ratio of 1:2 into the pool in an IV stage at a water temperature of 10 DEG C, promote gonad maturation through illumination, cultivation water temperature and nutrition-enhancing measures and ensure that the fishes lay eggs at 13 DEG C and fertilized eggs are sticky; and 2, a step of cultivating larvae and juvenile fishes, which is to move attached fertilized eggs into the breeding pool at a water temperature between 14 and 17 DEG C at the salinity between 2.7 and 2.8 percent with 6.5-8 mg/l of dissolved oxygen, lower aquaculture density with fish growth, feed by adopting a method of combining various types of bait and userotifer, artemia nauplius and compound feed for the larvae and the juvenile fishes different in day age. Fry can reach 30 to 50 mm after 50 days and be used for aquaculture or propagation and release, and is a novel species for mariculture in Zhejiang.
Description
Invention field
The present invention relates to the offspring seed cultivation method of a kind of lance Wei Fu Acenthogobius flavimanus Synechogobius hast (Temminck andSchlegel), belong to agriculture mariculture technology field.
Background technology
The coastal middle part that is located in China coastline, Zhejiang, owing to influenced by runoffs such as the Changjiang river, the Qiantang River, add that the coastal substrate in Zhejiang is based on silt, thereby seawater is all more muddy than south, the north, since the located in subtropical zone district, thus also variant with southern, northern weather, and this has formed the particularity of Zhejiang mariculture industry, when cold water fishes such as the kind of i.e. north breed such as lefteye flounder are cultured in Zhejiang, solve " aestivating " problem; Some warm water fishes that culture in south will solve " surviving the winter " problem, though thereby south, northern breed variety can introduce, but solve above-mentioned many technical problems, therefore, carrying out the preferred of kind on the local resource basis, is the effective way that development Zhejiang mariculture and propagation are released.
Certainly, no matter be the breed of which kind of wild fish, at first to provide seed, and the first step that solves seed is an artificial breeding, but artificial breeding only is a most basic step, because no matter provide to raise on a household basis to breed grows or offering government department is used to breed the seed of releasing, and its basic demand is on the success basis of growing seedlings, second step cultivated the larvae juvenile fish stage, just can reach the seed that commodity value is arranged after general body length need reach 30mm-50mm.Thereby in the mariculture technology field, these two is closely to link to each other.
Purpose of the present invention selects to have the wide salt of wide temperature, growth rapidly exactly, premunition is strong, the local wild fish of fine and tender taste, delicious flavour, cultivates body through artificial breeding and larvae juvenile fish and reaches 30mm-50mm and offer the raiser and culture or be supplied to national departments concerned to be used for propagation and release.
Lance Wei Fu Acenthogobius flavimanus Synechogobius hast (Temminck and Schlegel) is commonly called as extra large catfish, mudfish, belonging to the Perciformes, Acenthogobius flavimanus, Fu of section Acenthogobius flavimanus belongs to, at our province and coastal area distribution is arranged all, the characteristics that this fishing gear has requirement of the present invention to set forth, and also has the advantage that fertility is strong, market price is medium, support in small part raiser pilot scale at present, but its larvae juvenile fish (seed) is to gather natural seeding, wild fry, is difficult to form the large-scale farming requirement.Thereby the seed of developing this fish is that artificial breeding and larvae juvenile fish breeding method are the needs that promote that this fingerling is released in Zhejiang breeding scale and propagation.
Summary of the invention
For solving the offspring seed cultivation method of above-mentioned lance Wei Fu Acenthogobius flavimanus, at first to solve the method for artificial breeding, on the artificial breeding basis, larvae juvenile fish is cultivated, be the requirement of 30mm-50mm to reach seed body long size.
One, artificial raise seedling method
1, to the understanding and the observation of the multiple Acenthogobius flavimanus gonad development of lance tail, from the February in then November to coming year, this piscinity gland of anatomic observation was grown and ripe situation in every month.
2, the preparation of nursery pond (parent fish rearing pond), the nursery pond area is at 20-40 square metre, surround the darkroom with black film all around, the nursery pond routine disinfection, adopt and adhere to object space method acquisition fertilized egg in the pond, attachment is that 2 tile fragments are deposited in together through the tile fragment of sterilization and cleaning, be no less than 5 rows, adhere to for viscous fertilized ovum; 2 of 1000 watts of heating rods are set in the pond, above the pond, hang 2 of 100 watts of incandescent lamps.
3, when observing the raun development of ovary to the IV during the phase. the parent population of male and female than 1: 2 gone into the pond. going into the pond water temperature is 10 ℃, carries out accelerating, hastens parturition and is fertilized by the interaction of illumination, cultivation water temperature and fortification three aspects. illumination was since 12 hours every days. increased by 0.5 hour every 5 days; Strength control is in the 50-100 lux; Temperature: heated up 0.5 ℃ every 5 days; Fortification: parent population went into the pond after 3 days, with the dusky white prawn food calling of living, and after beginning to ingest, the squid of throwing something and feeding, daily ration, feeding quantity is the 3%-5% of parent population body weight, and plug presss from both sides 1 vitamin E in every bait; Change water: change water every day once, quantity of exchanged water 100%; Seawater salinity is 27 ‰-28 ‰.
4, when cultivating about 30 days through above-mentioned three aspects, when water temperature reached 13 ℃, the multiple Acenthogobius flavimanus of lance tail began to lay eggs.Its fertilized egg is that viscosity is random, sticks at the bottom of the attachment or pond that is located in the pond; Fertilized egg is hatched in the time of 13 ℃-14 ℃.Dead ovum and the dirt sucking-off of every day at the bottom of with the pond, and add 20% fresh seawater and continue oxygenation.
Two, the cultivation of larvae juvenile fish
The larvae juvenile fish breeding method, the time of throwing something and feeding of main density from cultivation (promptly cultivate in the branch pond), DIFFERENT FEED and quantity, the aspects such as generation that ward off disease set about carrying out:
Larvae juvenile fish is cultivated the pond: size is 30 square metres, and 1 meter of the depth of water surrounds the darkroom with black film all around, with 30PPM clorox sterilization brush pond, places 2 of 1000 watts of heating rods in the pond, hangs 2 of 100 watts of incandescent lamps above the pond.
5, condition of water quality: 14 ℃-17 ℃ of water temperatures, salinity is 27 ‰-28 ‰, dissolved oxygen is 6.5mg/l-8.0mg/l.
6, density: because lance Wei Fu Acenthogobius flavimanus is a predacious fish, when larvae juvenile fish, there is stronger autotomy phenomenon, thereby in cultivating process, along with the growth of fish body, will constantly carry out the branch pond and cultivate, reduce and cultivate density: the long 5mm density of larvae juvenile fish is 1-2 ten thousand tail/cubic meters; The long 10-15mm density of larvae juvenile fish is 0.5～1.0 ten thousand tail/cubic meter; The long 30mm density of larvae juvenile fish is 3000～4000 tail/cubic meters.
7, bait feeding: adopt multiple bait front and back stack feeding method.Specifically:
I), 1 age in days, not bait throwing in;
Ii), the 1-20 age in days, throw in chlorella in the pond, density is ten thousand/ml of 40-60;
Iii), the 2-30 age in days, the wheel animalcule of throwing something and feeding, density is 5-20/ml, throws something and feeds behind the Yu Huanshui;
Iv), the 10-30 age in days, the artemia nauplii of throwing something and feeding, density is 1-2/ml;
V), 20 ages in days begin the manufactured feed of throwing something and feeding.
Vi), above-mentioned wheel animalcule, artemia nauplii before throwing something and feeding, reinforced cultivating is thrown something and fed after 12 hours again in added the liquid that water is brewed into by hawthorn, Fructus Hordei Germinatus, matrimony vine.Mainly be to strengthen the digestion power of larvae juvenile fish and improve immunity.The weight ratio of hawthorn, Fructus Hordei Germinatus, matrimony vine is 1: 1: 1.
Through above-mentioned about 50 days cultivation, body length can offer raiser's breeding scale for the lance Wei Fu Acenthogobius flavimanus juvenile fish of 30mm-50mm or release as the seed of propagation.Increased new breed and propagation kind for the Zhejiang fishery.
Specific embodiment
The seed that the purpose of this invention is to provide the multiple Acenthogobius flavimanus of lance tail divided for two steps carried out, and at first was artificial breeding, and being right after is the cultivation of larvae juvenile fish, when being 30mm-50mm through cultivating afterbody length, could sell as seed.
One, the artificial breeding of the multiple Acenthogobius flavimanus of lance tail, undertaken by following method:
1, gonad development is observed: from February in November to the coming year then, and every month anatomic observation gonadal maturation situation.
2, the preparation of nursery pond (parent fish rearing pond): select 30 square metres of nursery pond areas for use, 1 meter of the depth of water surrounds the darkroom with black film all around.With 30PPM clorox sterilization brush pond, the attachment of fertilized egg adopts through the potassium permanganate sterilization of 100PPM and the tile fragment that cleans up, and two tile fragments are put together, totally 5 rows; Place 2 of 1000 watts of heating rods in the pond, above the pond, hang 2 of 100 watts of incandescent lamps.
3, accelerating is hastened parturition: growing IV during the phase when observing this fish ovaries, is that 1: 2 parent population goes into the pond with the male and female ratio.Going into the pond water temperature is 10 ℃, in the fertilization process of hastening parturition, by control illumination, cultivates water temperature and fortification method:
I), illumination: since 12 hours every days.Increased by 0.5 hour every 5 days; Strength control is in the 50-100 lux;
Ii), temperature:, heated up 0.5 ℃ every 5 days since 10 ℃;
Iii), fortification: parent population went into the pond after 3 days, with the dusky white prawn food calling of living, after beginning to ingest, the squid of throwing something and feeding, daily ration, feeding quantity is the 3%-5% of parent population body weight, and in every bait 1 vitamin E of plug folder;
Iv), change water: change water every day once, quantity of exchanged water 100%; Seawater salinity is 27 ‰-28 ‰.
4, spawning and fertilization: heat up through 6 times, after 30 days, when water temperature in the pond during at 13 ℃, female lance Wei Fu Acenthogobius flavimanus begins natural spawning, and milter begins that row is smart, and its fertilized egg is a viscid egg, sticks on the tile fragment at the bottom of the pond.
Two, the cultivation of larvae juvenile fish
5, larvae juvenile fish is cultivated the pond: size is 30 square metres, and 1 meter of the depth of water surrounds the darkroom with black film all around, with 30PPM clorox sterilization brush pond, places 2 of 1000 watts of heating rods in the pond, hangs 2 of 100 watts of incandescent lamps above the pond.
6, hatching: the tile fragment of adhesion fertilized egg moved be put in the above-mentioned cultivation pond, 13 ℃-14 ℃ of water temperatures, through the hatching of 98 hours beginning ruptures of membranes, the dead ovum and the dirt that will sink to the bottom every day siphon away, and add 20% fresh seawater, and oxygenation; Condition of water quality is 14 ℃-17 ℃ of water temperatures, and salinity is 27 ‰-28 ‰, and dissolved oxygen is 6.5mg/l-8.0mg/l.
7, cultivate density: the multiple Acenthogobius flavimanus of lance tail is a predacious fish, has stronger autotomy phenomenon when larvae juvenile fish, thereby in incubation, along with the growth of fish body, constantly carry out the branch pond and cultivate, and reduces and cultivates density.
I), the long 5mm density of larvae juvenile fish body is 1-2 ten thousand tail/cubic meters;
Ii), the long 10-15mm density of larvae juvenile fish body is 0.5～1.0 ten thousand tail/cubic meter;
Iii), the long 30mm density of larvae juvenile fish body is 3000～4000 tail/cubic meters.
8, bait feeding: adopt multiple bait front and back stack feeding method.Specifically:
I), 1 age in days, not bait throwing in;
Ii), the 1-20 age in days, throw in chlorella in the pond, density is ten thousand/ml of 40-60;
Iii), the 2-30 age in days, the wheel animalcule of throwing something and feeding, density is 5-20/ml, throws something and feeds behind the Yu Huanshui;
Iv), the 10-30 age in days, the artemia nauplii of throwing something and feeding, density is 1-2/ml;
V), 20 ages in days begin the manufactured feed of throwing something and feeding;
Vi), above-mentioned wheel animalcule, artemia nauplii before throwing something and feeding, reinforced cultivating is thrown something and fed after 12 hours again in added the liquid that water is brewed into by hawthorn, Fructus Hordei Germinatus, matrimony vine.Hawthorn, Fructus Hordei Germinatus, matrimony vine weight ratio are 1: 1: 1.
Through the cultivation of said method,, cultivate the multiple Acenthogobius flavimanus larvae juvenile fish of the long lance tail of body and can throw in to raise on a household basis to grow or be used for propagation and release to breed for 30mm-50mm through 50 days left and right sides time.For the Zhejiang mariculture has increased new varieties, have economy and promotional value.
Claims (2)
1. the offspring seed cultivation method of the multiple Acenthogobius flavimanus of a lance tail is characterized in that described method cultivates institute by artificial breeding and larvae juvenile fish and forms, and described artificial breeding follows these steps to operation:
I) gonad development is observed: from February in November to the coming year then, by the growth of anatomic observation sexual gland;
Ii) nursery pond: 30 square metres of areas, 1 meter of the depth of water, routine disinfection also surrounds the darkroom, is provided with the tile fragments that are no less than 5 rows at the bottom of the pond, and tile fragment cleans through sterilization, and per 2 tile fragments are deposited in together; Establish 2 of heating rods in the pond, 2 of 100 watts of incandescent lamps are hung in the top;
Iii), the parent population of male and female than 1: 2 gone into the pond, go into 10 ℃ of pond water temperatures as the development of ovary to the IV during the phase;
Iv) in whom urgees, ovulating, be fertilized cultivating process, adopt the effect of control illumination, cultivation water temperature and fortification three aspects:
A) illumination:, increased by 0.5 hour every 5 days since 12 hours every days;
B) water temperature:, heated up 0.5 ℃ every 5 days since 10 ℃;
C) bait throwing in: go into the pond after 3 days, with the dusky white prawn food calling of living, after ingesting, the squid of throwing something and feeding, feeding volume is the 3%-5% of parent population body weight, 1 vitamin E of plug folder in the squid stripping and slicing;
D) change water: change water every day once, quantity of exchanged water 100%, salinity is 27 ‰-28 ‰;
V) spawning and fertilization: when water temperature reaches 13 ℃, begin to lay eggs and arrange smartly, fertilized egg is a viscid egg, on tile fragment;
The tile fragment that vi) will adhere to fertilized egg moves on to cultivate in the pond and cultivates, and cultivating the pond condition is 30 square metres, and 1 meter of the depth of water surrounds the darkroom, and routine disinfection is placed 2 of 1000 watts of heating rods in the pond, and 2 of 100 watts of incandescent lamps are hung in the top, pond.Described larvae juvenile fish breeding method follows these steps to operation:
Vii) hatching: the hatching of 13 ℃-14 ℃ beginnings of water temperature rupture of membranes, dead ovum that will sink to the bottom every day and dirt sucking-off, and add 20% seawater and oxygenation;
Viii) breeding condition: 14 ℃-17 ℃ of water temperatures, salinity 27 ‰-28 ‰, dissolved oxygen 6.5mg/l～8.0mg/l;
Ix) cultivate density: the long 5mm of larvae juvenile fish body, density is 1～20,000 tail/cubic meter, and the long 10mm-15mm density of larvae juvenile fish body is 0.5-1 ten thousand tail/cubic meters, and the long 30mm density of larvae juvenile fish body is 3000～4000 tail/cubic meters;
X) bait throwing in: bait feeding is the method that adopts multiple bait stack:
A), 1 age in days, not bait throwing in;
B), the 1-20 age in days, throw in chlorella in the pond, density is ten thousand/ml of 40-60;
C), the 2-30 age in days, the wheel animalcule of throwing something and feeding, density is 5-20/ml, throws something and feeds behind the Yu Huanshui;
D), the 10-30 age in days, the artemia nauplii of throwing something and feeding, density is 1-2/ml;
E), 20 ages in days begin the manufactured feed of throwing something and feeding.
2. the offspring seed cultivation method of a kind of lance Wei Fu Acenthogobius flavimanus according to claim 1, it is characterized in that, before larvae juvenile fish is cultivated throw something and feed wheel animalcule and artemia nauplii, must soak 12 hours in by hawthorn, Fructus Hordei Germinatus, solution that matrimony vine decocted, hawthorn, Fructus Hordei Germinatus, matrimony vine weight ratio are 1: 1: 1.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835340A (en) * | 2012-09-24 | 2012-12-26 | 厦门大学 | Breeding method of Rillengrundel |
| CN105766713A (en) * | 2016-03-10 | 2016-07-20 | 中国水产科学研究院东海水产研究所 | Temperature regulating and controlling method for safe wintering of young pomfret |
| CN106688970A (en) * | 2016-11-15 | 2017-05-24 | 中国水产科学研究院东海水产研究所 | Method for artificially breeding fingerlings of siganus vulpinus in indoor environments |
| CN106719154A (en) * | 2016-12-21 | 2017-05-31 | 江苏省海洋水产研究所 | A kind of domesticating and cultivating method of Synechogobius hasta |
| CN107211923A (en) * | 2017-05-03 | 2017-09-29 | 上海市水产研究所 | A kind of Synechogobius ommaturus ecological breeding method |
| CN107535390A (en) * | 2016-06-29 | 2018-01-05 | 长沙湘实观赏鱼科技有限公司 | A kind of breeding method of ray fish |
| CN115136910A (en) * | 2022-06-27 | 2022-10-04 | 浙江省海洋水产研究所 | Method for reducing abnormal rate of fry of bream with snout and application |
-
2009
- 2009-07-30 CN CN2009101013722A patent/CN101703011B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835340A (en) * | 2012-09-24 | 2012-12-26 | 厦门大学 | Breeding method of Rillengrundel |
| CN102835340B (en) * | 2012-09-24 | 2013-08-21 | 厦门大学 | Breeding method of Rillengrundel |
| CN105766713A (en) * | 2016-03-10 | 2016-07-20 | 中国水产科学研究院东海水产研究所 | Temperature regulating and controlling method for safe wintering of young pomfret |
| CN107535390A (en) * | 2016-06-29 | 2018-01-05 | 长沙湘实观赏鱼科技有限公司 | A kind of breeding method of ray fish |
| CN106688970A (en) * | 2016-11-15 | 2017-05-24 | 中国水产科学研究院东海水产研究所 | Method for artificially breeding fingerlings of siganus vulpinus in indoor environments |
| CN106719154A (en) * | 2016-12-21 | 2017-05-31 | 江苏省海洋水产研究所 | A kind of domesticating and cultivating method of Synechogobius hasta |
| CN107211923A (en) * | 2017-05-03 | 2017-09-29 | 上海市水产研究所 | A kind of Synechogobius ommaturus ecological breeding method |
| CN115136910A (en) * | 2022-06-27 | 2022-10-04 | 浙江省海洋水产研究所 | Method for reducing abnormal rate of fry of bream with snout and application |
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