CN1169431C - Industrial breeding method for bevel-band rockfish - Google Patents
Industrial breeding method for bevel-band rockfish Download PDFInfo
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- CN1169431C CN1169431C CNB03113663XA CN03113663A CN1169431C CN 1169431 C CN1169431 C CN 1169431C CN B03113663X A CNB03113663X A CN B03113663XA CN 03113663 A CN03113663 A CN 03113663A CN 1169431 C CN1169431 C CN 1169431C
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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
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- 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 present invention discloses an industrial breeding method of bevel band rockfish. The method comprises the steps of parent fish strengthening breeding, spawning and hatching, small fish breeding, juvenile fish breeding and young fish breeding. The bevel band rockfish can naturally spawn and obtain fish roe with high quality by the present invention. The present invention has high impregnation and hatching rate, realizes the industrial breeding of the bevel band rockfish and the breeding of the healthy bevel band rockfish with high quality, and has strong operability and stable technology of the breeding rockfish.
Description
Affiliated technical field
The present invention relates to a kind of aquaculture method, especially relate to a kind of Epinephelus coioides factorial seedling-culturing method that is used for the factory culturing fry.
Background technology
In latter stage in 20th century, because worldwide excessively capturing, ocean Mesichthyes resource constantly fails.For satisfying the demand of people to the ocean water product, countries in the world are more and more paid attention to carrying out seawater and are propagated artificially.In China, the mariculture industry that is called as blue agriculture is the important component part of big agriculture, occupies critical role in national economy.And the exploitation of seawater seed cultivation technology is the prerequisite of development mariculture industry.Grouper (Epinephelussp.) fine and tender taste, delicious flavour, market price height, in demand.In recent years, Japan, Korea S, Southeast Asia and Oceanian many countries are all actively developing propagating artificially of grouper.There is the tradition of culturing grouper in Guangdong, also is the main product ground that China grouper is cultured.The net cage that current Guangdong Province carries out the grouper breed has 20,000, needs seedling 2,000 ten thousand tails every year approximately.The country that carries out at present grouper breeding research in the world is a lot, but technology maturation is few, and main difficult point has: 1, difficultly obtain a large amount of high quality fertilized egg of scophthatmus; 2, prelarva lethality extra-high-speed when postlarva is abnormal mainly is that the difficult acquisition of agreeable to the taste bait and the seedling water envirment factor in this stage is difficult to regulate, and easily produces environment association and compels; 3, the disposition of lithosporic prelarva is violent, and the cutting one another's throats of later stage postlarva of growing seedlings is a major reason that causes survival rate of seedling low.Japan and Taiwan be the minority technological development early, can carry out the countries and regions of grouper seedling batch process.At home, since the eighties, in Zhejiang, some aquatic products research departments of province such as Fujian, Guangdong just begin to carry out the test of green hata and epinephelus akaara artificial propagation, aspect basic research, done a large amount of work, but these tests all are only limited in breadboard level, add limited fund, and the quantity of test parent population is few, the fertilized egg amount that obtains reaches the level of scale production far away, also just can't produce required seedling for the culturist provides.
Summary of the invention
The object of the present invention is to provide and a kind ofly can obtain a large amount of high-qualitys, healthy fertilized egg and and then cultivate the factorial seedling-culturing method of Epinephelus coioides seedling in enormous quantities.
For achieving the above object, Epinephelus coioides factorial seedling-culturing method of the present invention comprises the steps:
(1) parent population reinforced cultivating: parent population is raised at ordinary times in fishing row net cage, the new iced trash fish of throwing something and feeding, the in addition reinforced cultivating of parent population fortified feed of throwing something and feeding in preceding 2 months of laying eggs;
(2) hatching of laying eggs: with the parent population after the above-mentioned reinforcement in preceding 1 week of laying eggs by female: male=as to move into spawning pond at 2: 1 and to lay eggs, and continue the fortified feed of throwing something and feeding, a day quantity of exchanged water is 400-500% in the pond in, keeps 22-28 ℃ of water temperature, the realization natural spawning; Parent population output come-up ovum is collected by egg collecting groove, puts into little case net through the fertilized egg of conventional method separation and keeps flowing water, inflation hatching;
(3) prelarva is cultivated: put into prelarva after prelarva hatches immediately and cultivate the pond, when putting prelarva, inject sand filter seawater and account for 70% of its volume in cultivating the pond, prelarva is at 3 days after-openings of hatching, begin to add every day chlorella liquid, concentration is every milliliter 1,000,000 cell, and up to filling with water level, prelarva begins row in hatching and changes water after 12 days, quantity of exchanged water is 10%, strengthen gradually later on, cultivate the later stage quantity of exchanged water to prelarva and will reach 80-100%, and at the different time sections of hatching after 3 days different types of bait of throwing something and feeding; Keep 26 ℃ of average water temperatures, prelarva begins the abnormal postlarva that is after cultivating in 30 days;
(4) postlarva is cultivated: when prelarva is abnormal when be postlarva, bait is that the marine fish postlarva is cultivated common feedstuffs, Mongolian naked abdomen flea and fish gruel, and the fish gruel of throwing something and feeding will be tamed, and is excessive or when finding that postlarva kills and devour mutually when the density of postlarva, adopts the different size fish to sieve seedling;
(5) juvenile fish is raised: juvenile fish is cultivated in indoor pond linked network, and quantity of exchanged water is more than 100%, and bait is marine fish common feedstuffs and fish gruel, and juvenile fish is cultivated till the fish length 30-40mm.
Component and each component proportion of the fortified feed of throwing something and feeding in the parent population reinforced cultivating step of the present invention are fish meal: squid: Fructus Hordei Germinatus: earthworm: unsaturated fatty acid: composite microbial element=80: 15: 2: 2: 0.8: 0.2.
The kind of bait of the present invention and conversion time is: hatch 3～12 days small-sized wheel animalcules of the S-S that throws something and feeds, density is 8/ml; Hatch 10～30 days large-scale wheel animalcules of the L-S that throws something and feeds, density is 10-15/ml; Hatch the artemia nauplii 0.5-2/ml that threw something and fed in 15～30 days, Mongolian naked abdomen flea 0.5-2/ml; The marine fish prelarva that hatches the 400 μ m-1000 μ m that threw something and fed in 17～30 days is cultivated common feedstuffs, and feeding volume decides increase and decrease according to actual residual bait amount of throwing something and feeding, and throws something and feeds for 4 times from hatching to divide 17～30 day every day; The bait that the intersection phase between described each hatching between the section throws something and feeds between the corresponding hatching of institute section simultaneously.
Fish gruel of the present invention is made by 5: 3: 2 by fish, shrimp, shellfish, and its processing method is that trash fish is gone to clean with shrimp, one of shellfish behind the internal organ, blends with machine to get final product.
According to the basic principle of seawater fish seedling breeding and the biological property of Epinephelus coioides, particularly breeding physiology and young postlarva ecological characteristic, at the subject matter that exists in the existing seawater seed cultivation technology, the present invention uses unique method to carry out the parent population reinforcement, impel its natural spawning, adopt factorial seedling-culturing method then, can correctly grasp the variation characteristics and the rule of cultivating various biotic factors and physical and chemical factor in the water body at whole seedling raising process, reducing the suffered environment association of young postlarva growth compels, and in time provide suitable bait in each stage of young postlarva growth, at utmost reducing the suffered nutrition association of young postlarva growth compels, make like this from the parent population natural spawning, incubating oosperm, young postlarva all can normally be realized up to growing of juvenile fish, and incubating oosperm height, the survival rate of seedling height guarantees to bring out health, the Epinephelus coioides seedling of high-quality.The present invention draws following data through test of many times: use Epinephelus coioides parent population 565 tails, 113288.8 ten thousand on common property ovum, wherein fertilized egg is 80437.4 ten thousand, fertilization rate between 69.5-81.3%, average out to 71%, incubation rate average out to 80%; When 28 ℃ of water temperatures, fertilized egg is through hatching prelarva in 25 hours.Seedling raise period finished at the beginning of 7 months at the beginning of 4 months.Just the prelarva total length of hatching is the 1.4-1.8 millimeter, H3 part prelarva opening, the whole prelarva openings of H4 and the wheel animalcule that ingests.Cultivating to fry from prelarva generally needs 45 days.Cultivate above Epinephelus coioides seedling 668236 tails of 3cm altogether, every cube of the highest output of seedling of seedling water is 1130 tails.
Embodiment
Present embodiment comprises the steps: (1) parent population reinforced cultivating: every year by the end of March, select ripe parent population, parent population is raised at ordinary times in fishing row net cage, the new iced trash fish of throwing something and feeding, lay eggs and threw something and fed by fish meal in preceding 2 months: squid: Fructus Hordei Germinatus: earthworm: unsaturated fatty acid: composite microbial element=80: 15: 2: the parent population fortified feed of combination in 2: 0.8: 0.2, in addition reinforced cultivating; (2) hatching of laying eggs: the parent population after strengthen above-mentioned (1) in preceding 1 week of laying eggs by female: male=as to move into 60 ton circular spawning ponds at 2: 1 and to lay eggs, every pond 32-35 tail, a day quantity of exchanged water is 400-500%, continues the fortified feed of throwing something and feeding, keep 22-28 ℃ of water temperature, realize natural spawning; Parent population output come-up ovum is collected by egg collecting groove, and separated fertilized egg is put into the little case net miniflow water of 75 * 75 * 60cm, weak inflation hatching, the about 500,000/case of hatching density; (3) prelarva is cultivated: putting into volume after prelarva hatches immediately is the prelarva cultivation pond of 30-40 cube of water body, breeding density is every cube of water body 30,000 tails, when putting prelarva, in cultivating the pond, inject sand filter seawater and account for 70% of volume, prelarva is at H3 (H represents to hatch the back fate) opening, begin to add every day chlorella liquid, concentration is every milliliter 1,000,000 cell, up to filling with water level, H12 begins row and changes water, and quantity of exchanged water is 10%, strengthen gradually later on, cultivate the later stage quantity of exchanged water to prelarva and will reach 80-100%, the kind and the conversion time of the used bait of growing seedlings are as follows: H3-H12 S-S (small-sized) wheel animalcule of throwing something and feeding, and density is 8/ml; H10-H30 L-S (large-scale) wheel animalcule of throwing something and feeding, density are 10-15/ml; The throw something and feed marine fish prelarva of 400 μ m-1000 μ m of H17-H30 is cultivated common feedstuffs, and feeding volume decides increase and decrease according to actual residual bait amount of throwing something and feeding, and divides every day from H17-H30 and throws something and feeds for 4 times, and the time is respectively 8:30am, 11:30am, 14:30pm, 17:00pm; The H15-H30 artemia nauplii 0.5-2/ml that throws something and feeds every day, Mongolian naked abdomen flea 0.5-2/ml, when 26 ℃ of average water temperatures, prelarva begins the abnormal postlarva that is after cultivating in 30 days; (4) postlarva is cultivated: when the metamorphosis of above-mentioned (3) prelarva is postlarva, bait is cultivated common feedstuffs, Mongolian naked abdomen flea and a small amount of fish gruel for the marine fish postlarva, the fish gruel of throwing something and feeding will be tamed, and is excessive or when finding that postlarva kills and devour mutually when the density of postlarva, adopts different size fish screening seedling; (5) juvenile fish is raised: juvenile fish is cultivated in indoor pond linked network, and quantity of exchanged water is more than 100%, and bait is marine fish common feedstuffs and fish gruel, and the rotten component of fish is a fish: shrimp: shellfish=5: 3: 2, juvenile fish are cultivated till the fish length 30-40mm.
Claims (4)
1, a kind of Epinephelus coioides factorial seedling-culturing method is characterized in that comprising the steps:
(1) parent population reinforced cultivating: parent population is raised at ordinary times in fishing row net cage, the new iced trash fish of throwing something and feeding, the in addition reinforced cultivating of parent population fortified feed of throwing something and feeding in preceding 2 months of laying eggs;
(2) hatching of laying eggs: with the parent population after the above-mentioned reinforcement in preceding 1 week of laying eggs by female: male=as to move into spawning pond at 2: 1 and to lay eggs, and continue the fortified feed of throwing something and feeding, a day quantity of exchanged water is 400-500% in the pond in, keeps 22-28 ℃ of water temperature, the realization natural spawning; Parent population output come-up ovum is collected by egg collecting groove, puts into little case net through the fertilized egg of conventional method separation and keeps flowing water, inflation hatching;
(3) prelarva is cultivated: put into prelarva after prelarva hatches immediately and cultivate the pond, when putting prelarva, inject sand filter seawater and account for 70% of its volume in cultivating the pond, prelarva is at 3 days after-openings of hatching, begin to add every day chlorella liquid, concentration is every milliliter 1,000,000 cell, and up to filling with water level, prelarva begins row in hatching and changes water after 12 days, quantity of exchanged water is 10%, strengthen gradually later on, cultivate the later stage quantity of exchanged water to prelarva and will reach 80-100%, and at the different time sections of hatching after 3 days different types of bait of throwing something and feeding; Keep 26 ℃ of average water temperatures, prelarva begins the abnormal postlarva that is after cultivating in 30 days;
(4) postlarva is cultivated: when prelarva is abnormal when be postlarva, bait is that the marine fish postlarva is cultivated common feedstuffs, Mongolian naked abdomen flea and fish gruel, and the fish gruel of throwing something and feeding will be tamed, and is excessive or when finding that postlarva kills and devour mutually when the density of postlarva, adopts the different size fish to sieve seedling;
(5) juvenile fish is raised: juvenile fish is cultivated in indoor pond linked network, and quantity of exchanged water is more than 100%, and bait is marine fish common feedstuffs and fish gruel, and juvenile fish is cultivated till the fish length 30-40mm.
2, Epinephelus coioides factorial seedling-culturing method according to claim 1 is characterized in that: component and each component proportion of the fortified feed of throwing something and feeding in the described parent population reinforced cultivating step are fish meal: squid: Fructus Hordei Germinatus: earthworm: unsaturated fatty acid: composite microbial element=80: 15: 2: 2: 0.8: 0.2.
3, Epinephelus coioides factorial seedling-culturing method according to claim 3, it is characterized in that the kind of described bait and conversion time is: hatch 3～12 days small-sized wheel animalcules of the S-S that throws something and feeds, density is 8/ml; Hatch 10～30 days large-scale wheel animalcules of the L-S that throws something and feeds, density is 10-15/ml; Hatch the artemia nauplii 0.5-2/ml that threw something and fed in 15～30 days, Mongolian naked abdomen flea 0.5-2/ml; The marine fish prelarva that hatches the 400 μ m-1000 μ m that threw something and fed in 17～30 days is cultivated common feedstuffs, and feeding volume decides increase and decrease according to actual residual bait amount of throwing something and feeding, and throws something and feeds for 4 times from hatching to divide 17～30 day every day; The bait that the intersection phase between described each hatching between the section throws something and feeds between the corresponding hatching of institute section simultaneously.
4, Epinephelus coioides factorial seedling-culturing method according to claim 1 is characterized in that described fish gruel made by 5: 3: 2 by fish, shrimp, shellfish.
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| CNB03113663XA CN1169431C (en) | 2003-01-27 | 2003-01-27 | Industrial breeding method for bevel-band rockfish |
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| CNB03113663XA CN1169431C (en) | 2003-01-27 | 2003-01-27 | Industrial breeding method for bevel-band rockfish |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100370895C (en) * | 2005-03-11 | 2008-02-27 | 中山大学 | Artificial mature-promoting culturing method for epinephelus lanceolatus parent fish |
| CN101375673B (en) * | 2007-08-27 | 2011-08-10 | 海南大学 | Industrialized artificial seedling cultivation method for rockfishes |
| CN101444192B (en) * | 2008-10-21 | 2011-02-16 | 浙江海洋学院 | Sebastiscus marmoratus industrialized fry breeding method |
| CN101401555B (en) * | 2008-10-21 | 2011-04-20 | 浙江海洋学院 | Industrialized fingerling cultivation method for late cod croaker shaped spotted maigre and special clean fish hardening agent thereof |
| CN102257972A (en) * | 2010-05-29 | 2011-11-30 | 海南大学 | Industrial seedling raising method for epinephelus lanceolatus |
| CN102783441B (en) * | 2012-08-15 | 2013-12-04 | 广东恒兴饲料实业股份有限公司 | Factorization culture method for garrupa |
| CN102870720A (en) * | 2012-10-30 | 2013-01-16 | 广东海洋大学 | Low-salinity outdoor enclosure type epinephelus seedling method |
| CN102960283B (en) * | 2012-12-17 | 2013-12-04 | 陈建国 | Large-scale grouper breeding device employing large outdoor fish pond |
| CN103478027B (en) * | 2013-08-29 | 2016-01-27 | 南京农业大学 | A kind of method of indoors artificial seawater circulation culture Epinephelus coioides |
| CN103493759B (en) * | 2013-09-12 | 2015-10-07 | 宁德市南海水产科技有限公司 | A kind of grouper scale artificial seedling rearing method |
| CN103548735B (en) * | 2013-10-31 | 2015-03-18 | 浙江海洋学院 | Grouper fry propagation method |
| CN104054596B (en) * | 2013-12-12 | 2016-08-17 | 中山大学 | A kind of breeding method preventing grouper fry black body disease to break out |
| CN107173268A (en) * | 2017-06-06 | 2017-09-19 | 舟山市普陀兴海养殖优质种苗选育研究所 | A kind of artificial seed breeding method of Epinephelus coioides |
| CN112741026B (en) * | 2019-10-31 | 2022-09-27 | 广东海洋大学 | Breeding method of grouper |
| CN112741025B (en) * | 2019-10-31 | 2022-08-30 | 广东海洋大学 | Method for cultivating grouper seedlings |
| CN113749021B (en) * | 2021-10-12 | 2022-05-13 | 中国水产科学研究院黄海水产研究所 | Method for cultivating sepia duchenne fries |
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