CN103444604A - Small-water body fry rearing method for cromileptes altivelis - Google Patents
Small-water body fry rearing method for cromileptes altivelis Download PDFInfo
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- CN103444604A CN103444604A CN2013103668180A CN201310366818A CN103444604A CN 103444604 A CN103444604 A CN 103444604A CN 2013103668180 A CN2013103668180 A CN 2013103668180A CN 201310366818 A CN201310366818 A CN 201310366818A CN 103444604 A CN103444604 A CN 103444604A
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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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- 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 small-water body fry rearing method for cromileptes altivelis. Fries suitable for selling and breeding can be reared by the steps of selection of a parent fish source, domestication and breeding of parent fishes, artificial maturation acceleration and spawning induction of the parent fishes, and the like. The method has the characteristics of low cost, high operability, higher fry rearing survival rate and stable production.
Description
Technical field
The present invention relates to the little water body rearing of fingerling of a kind of analysis of Cromileptes altivelis, belong to the seedling growing process field.
Background technology
Analysis of Cromileptes altivelis is named again mouse spot (Cromileptes altivelis) because of a proboscis point, and shape exactly likes mouse and gains the name, and belongs to section, Epinephelinae, and analysis of Cromileptes altivelis belongs to.Analysis of Cromileptes altivelis is the economic edible fishes of senior marine products, and price is high, welcome by the masses.In recent years the analysis of Cromileptes altivelis of selling on market, be all inferior national southeast usually, though South China Sea has the record of this kind of fish, quantity is seldom to have much the fingerling of high economic worth in ablen.Analysis of Cromileptes altivelis is fast because of its growth rate, and can stand in the existence of space-constrained waters, and the cultivation development potentiality is quite large.At present, the cultivation of most analysis of Cromileptes altivelis is with growing seedlings from the marine wild fry of fishing for, and the output of wild seedling has been unable to supply the demand in market, and the technology of a set of mature and stable artificial culture analysis of Cromileptes altivelis seedling need to be arranged.
Summary of the invention
The purpose of this invention is to provide the little water body rearing of fingerling of a kind of analysis of Cromileptes altivelis, for analysis of Cromileptes altivelis fry rearing, solve the problem of wild analysis of Cromileptes altivelis seedling deficiency on market.
The present invention is that the technical scheme that its technical problem of solution adopts is:
The little water body rearing of fingerling of a kind of analysis of Cromileptes altivelis adopts following method step:
1. parent population is originated and selects
The mouse spot that to choose the body weight of catching in sea, natural marine site be 1～2kg, healthy, without wound, body surface is complete, bright in colour, biological property is obvious, vigor is good individuality as parent population.
2. the admonitory talk to subordinates of parent population and cultivation
Select stormy waves little, water quality is good, pollutes little sea area, 12～28 ℃ of annual water temperatures, and salinity 24～30, put in a suitable place to breed in the net cage of specification 3x3x3m, and breeding density is 4～8kg/m.Feed every day and raise fresh lower trash fish meat (high containing protein, the fish that fat is low are the most applicable), throwing the amount of raising is all to plant 5～10% of fish body weight.In addition, for accelerating gonadal maturation, can add Vitamin E (10-20mg/kg body weight, weekly) in bait.For the muscle power that improves kind of fish and healthy, can add Vitamin C and B-complex (the 50-80mg/kg body weight, once every two weeks).
The artificial repening of parent population with hasten parturition
Select belly parent population large, that appear the sexual gland profile and put into the net cage of hastening parturition that light is darker.The male and female parent population, in the collocation of 1:1 ratio, is injected oxytocic hormone, and dosage is HCG400～500 international units and LRH-A330～50ug/kg fish body weight, and two kinds are mixed use, use 0.6% normal saline dilution, make suspension.Injection volume is 1.5-2ml, pectoral fin base portion injection, and the milter injected dose is raun 1/2.Soft to some bellies, after the obvious parent population of sexual gland profile is put into the net cage of hastening parturition, the method that can adopt ecological current to stimulate.
4. fertilized egg is processed
80 orders-100 mesh sieve thin,tough silk the trawlnet for naturally fertilized egg originated in pond is collected.The fertilized egg of collecting, after repeatedly washing ovum, remove the bad ovum and impurity sunk to the bottom, is placed in 0.5t cone end black hatching pail inflation hatching.Prelarva is stopped the supple of gas or steam after hatching, and opens bottom valve and gets rid of the dirt of cone bottom under sedimentation and thoroughly change water, then prelarva is with water to move in nursery pond and is cultivated.
5. seed rearing
The nursery pond condition: indoor cement pit, square, specification is 5m * 5m * 1m; Be provided with the discharge outlet and the Chi Dipaiwukou that arrange under overflow; 25-30 gas stone inflation established in full pond.11:00-15:00 nursery pond water surface intensity of illumination is controlled at 3000-5200 lx.The EM bacterium: commercially available east bacterium king 10L, clear water 20L, brown sugar 2kg mixes in the 50L polyethylene drum, seals standby.Prawn slice: the senior prawn slice of commercially available golden shrimp board.Biological feed: with wheel animalcule, the copepoda of pond rearing.
5.1 nursery pond water quality management
Nursery pond with the bleaching powder sterilization, rinses extremely without chlorine residue before use.Add seawater dark to 80cm.Nursery pond water inlet same day, select every day 8 and 15 select left and right 2 times to splash in pond ready EM bacterium and prawn slice.Throw in prelarva: training water to the 4-6 days.
5.2 seedling fostering method
Carefully render to nursery pond after hatching prelarva; After prelarva lower storage reservoir 3h, it is 1.1 ten thousand-20,000 tails/m that density is measured in sampling
3.The bait feeding prelarva hatches the 2nd day, to inoculating rotifer in nursery pond, keeps 15-20/mL of seedling water wheel animalcule density.The 14th day starts, outside the wheel animalcule that continues to throw something and feed, and the copepod larva of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk on a small quantity.20-25 days, take and throw something and feed copepoda as main, and keeping seedling water copepoda density is 5-10/mL.After the prelarva lower storage reservoir: first week, do not change water; Second week, add water 1-2cm every day in pond; Change water 3-8cm the 3rd week every day; After 4th week, according to the water quality condition of growing seedlings, change water 20-30cm every day.Approximately continue 30 days-50 days, can cultivate and be applicable to selling and cultivating with growing seedlings
The invention has the beneficial effects as follows: after carrying out 30 days according to seedling-cultivating method of the present invention, survival rate of seedling is 2.70～3.90%, and survival rate is higher than other fry methods commonly used.It is low, workable that the little water body offspring seed cultivation method of this analysis of Cromileptes altivelis has a cost, and survival rate of seedling is higher, produces stable characteristics.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described:
Embodiment:
1. parent population is originated and selects
Buying the body weight of catching in sea, natural marine site in Taiwan is 1.5kg left and right mouse spot, and the individuality healthy, that nothing is hindered, body surface is complete, bright in colour, biological property is obvious, vigor is good is as parent population.
2. the admonitory talk to subordinates of parent population and cultivation
Arrange this sheet sea area stormy waves in the fishing of Lingshui, Hainan sharp aquatic products of green grass or young crops company little, water quality is good, pollutes little sea area, 14～30 ℃ of annual water temperatures, and salinity 25～30, put in a suitable place to breed in the net cage of specification 3x3x3m, and breeding density is 6kg/m.Feed every day and raise fresh lower trash fish meat (high containing protein, the fish that fat is low are the most applicable), throwing the amount of raising is all to plant 5% of fish body weight.Can add in addition Vitamin E (10mg/kg body weight, weekly) in bait.For the muscle power that improves kind of fish and healthy, add Vitamin C and B-complex (the 50mg/kg body weight, once every two weeks).
The artificial repening of parent population with hasten parturition
Select belly parent population large, that appear the sexual gland profile and put into the net cage of hastening parturition that light is darker.The male and female parent population, in 1:1 ratio collocation (hastening parturition more than 100 tails) at every turn, is injected oxytocic hormone, and dosage is the about 40ug/kg fish of HCG400 international unit+LRH-A3 body weight, and two kinds are mixed use, use 0.6% normal saline dilution, make suspension.Injection volume is 1.5, pectoral fin base portion injection, and the milter injected dose is raun 1/2.
4. fertilized egg is processed
The naturally fertilized egg originated in pond is collected (parent population that lays eggs can reach 90%) with 80 mesh sieve thin,tough silk trawlnets.The fertilized egg of collecting, after repeatedly washing ovum, remove the bad ovum and impurity sunk to the bottom, is placed in 0.5t cone end black hatching pail inflation hatching.Prelarva is stopped the supple of gas or steam after hatching, and opens bottom valve and gets rid of the dirt of cone bottom under sedimentation and thoroughly change water, then prelarva is with water to move in nursery pond and is cultivated.
5. seed rearing
The nursery pond condition: indoor cement pit, square, specification is 5m * 5m * 1m; Be provided with the discharge outlet and the Chi Dipaiwukou that arrange under overflow; 25 gas stone inflations are established in full pond.11:00～15:00 nursery pond water surface intensity of illumination is controlled at the 4000lx left and right.The EM bacterium: commercially available east bacterium king 10L, clear water 20L, brown sugar 2kg mixes in the 50L polyethylene drum, seals standby.Prawn slice: the senior prawn slice of commercially available golden shrimp board.Biological feed: with wheel animalcule, the copepoda of pond rearing.
5.1 nursery pond water quality management
Nursery pond with the bleaching powder sterilization, rinses extremely without chlorine residue before use.Add seawater dark to 80cm.Nursery pond water inlet same day, select every day 8 and 15 select left and right 2 times to splash in pond ready EM bacterium and prawn slice.Throw in prelarva: training water to the 5 days.
5.2 seedling fostering method
Carefully render to nursery pond after hatching prelarva (average every parent population can lay eggs 50g); After prelarva lower storage reservoir 3h, it is 1.1 ten thousand tails/m3 that density is measured in sampling.The bait feeding prelarva hatches the 2nd day, to inoculating rotifer in nursery pond, keeps 15/mL of seedling water wheel animalcule density.The 14th day starts, outside the wheel animalcule that continues to throw something and feed, and the copepod larva of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk on a small quantity.The 20th day, take and throw something and feed copepoda as main, keeping seedling water copepoda density is 5～10/mL.After the prelarva lower storage reservoir: first week, do not change water; Second week, add water 2cm left and right every day in pond; Change water 5cm left and right the 3rd week every day; After 4th week, according to the water quality condition of growing seedlings, change water 20cm left and right every day.Approximately continue 30 days, can cultivate and be applicable to selling and grow seedlings (emergence rate 3% left and right, specification 2～3cm) for cultivation.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. the little water body offspring seed cultivation method of analysis of Cromileptes altivelis, is characterized in that comprising the steps:
(1) parent population is originated and selects
The mouse spot that to choose the body weight of catching in sea, natural marine site be 1-2kg, select healthy, complete without wound, body surface individuality as parent population;
(2) instruction of parent population and cultivation
Select 12～28 ℃ of little, the annual water temperatures of stormy waves, the sea area of salinity 24～30, put in a suitable place to breed in net cage, and breeding density is 4～8kg/m
3; Feed every day and raise fresh lower trash fish meat, throwing the amount of raising is all to plant 5～10% of fish body weight;
(3) artificial repening of parent population with hasten parturition
Select belly parent population large, that appear the sexual gland profile and put into the net cage of hastening parturition that light is darker; The injection oxytocic hormone, dosage is HCG400～500 international units and LRH-A3 30～50ug/kg fish body weight, two kinds are mixed use, use 0.6% normal saline dilution, make suspension; Injection volume is 1.5-2ml, the injection of pectoral fin base portion, 1/2 left and right that the milter injected dose is raun;
(4) fertilized egg is processed
80 orders-100 mesh sieve thin,tough silk the trawlnet for naturally fertilized egg originated in pond is collected; The fertilized egg of collecting, after repeatedly washing ovum, remove the bad ovum and impurity sunk to the bottom, is placed in 0.5t cone end black hatching pail inflation hatching; Prelarva is stopped the supple of gas or steam after hatching, and opens bottom valve and gets rid of the dirt of cone bottom under sedimentation and thoroughly change water, then prelarva is with water to move in nursery pond and is cultivated;
(5) seed rearing
The nursery pond condition: indoor cement pit is provided with discharge outlet and the Chi Dipaiwukou ，Quan pond of arranging under overflow and establishes the inflation of gas stone; 11:00-15:00 nursery pond water surface intensity of illumination is controlled at 3000-5200 lx; The EM bacterium: commercially available east bacterium king 8-12 parts by volume, clear water 15-25 parts by volume, brown sugar 1.5-2.5kg weight/L parts by volume, mix, and seals standby;
The management of nursery pond water quality
Nursery pond with the bleaching powder sterilization, rinses extremely without chlorine residue before use; Add seawater; Nursery pond water inlet same day, select every day 8 and 15 select left and right 2 times to splash in pond ready EM bacterium and prawn slice; Throw in prelarva; Training water to the 4-6 days;
The seedling fostering method
Render to nursery pond after hatching prelarva; After prelarva lower storage reservoir 3h, it is 1.1 ten thousand-20,000 tails/m that density is measured in sampling
3; The bait feeding prelarva hatches the 2nd day, to inoculating rotifer in nursery pond, keeps 15-20/mL of seedling water wheel animalcule density; The 14th day starts, outside the wheel animalcule that continues to throw something and feed, and the copepod larva of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk on a small quantity; 20-25 days, take and throw something and feed copepoda as main, and keeping seedling water copepoda density is 5-10/mL; After the prelarva lower storage reservoir: first week, do not change water: second week, add water 1-2cm every day in pond: change water 3-8cm the 3rd week every day: after 4th week, according to the water quality condition of growing seedlings, change water 20-30cm every day; Continue 30 days-50 days, can cultivate and be applicable to selling and cultivating with growing seedlings.
2. method according to claim 1, is characterized in that in step (2) being the gonadal maturation of acceleration, can add Vitamin E (10-20mg/kg body weight, weekly) in bait; For the muscle power that improves kind of fish and healthy, can add Vitamin B and C B B-complex (the 50-80mg/kg body weight, once every two weeks).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075940A (en) * | 2015-07-14 | 2015-11-25 | 海南晨海水产有限公司 | Artificial cross-breeding method of chromileptes altivelis and epinephelus lanceolatus |
| CN105494208A (en) * | 2015-12-31 | 2016-04-20 | 山东省海洋生物研究院 | Sebastes schlegeli artificial squeezing fry breeding method |
| CN105557595A (en) * | 2016-01-20 | 2016-05-11 | 中国水产科学研究院长江水产研究所 | Cultivation method for brachymystax lenok fry |
| CN105850814A (en) * | 2016-05-19 | 2016-08-17 | 莱州明波水产有限公司 | Industrialized hybrid fry breeding method for chromileptes altivelis and epinephelus lanceolatus |
| CN111149737A (en) * | 2020-02-13 | 2020-05-15 | 海南晨海水产有限公司 | Outdoor ecological pond artificial breeding method for high-survival-rate lateolabrax japonicus |
-
2013
- 2013-08-21 CN CN201310366818.0A patent/CN103444604B/en not_active Expired - Fee Related
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075940A (en) * | 2015-07-14 | 2015-11-25 | 海南晨海水产有限公司 | Artificial cross-breeding method of chromileptes altivelis and epinephelus lanceolatus |
| CN105494208A (en) * | 2015-12-31 | 2016-04-20 | 山东省海洋生物研究院 | Sebastes schlegeli artificial squeezing fry breeding method |
| CN105557595A (en) * | 2016-01-20 | 2016-05-11 | 中国水产科学研究院长江水产研究所 | Cultivation method for brachymystax lenok fry |
| CN105850814A (en) * | 2016-05-19 | 2016-08-17 | 莱州明波水产有限公司 | Industrialized hybrid fry breeding method for chromileptes altivelis and epinephelus lanceolatus |
| CN111149737A (en) * | 2020-02-13 | 2020-05-15 | 海南晨海水产有限公司 | Outdoor ecological pond artificial breeding method for high-survival-rate lateolabrax japonicus |
| CN111149737B (en) * | 2020-02-13 | 2022-05-24 | 海南晨海水产有限公司 | Outdoor ecological pond artificial breeding method for high-survival-rate lateolabrax japonicus |
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