CN104255623A - Artificial breeding method for cheilinus undulatus - Google Patents
Artificial breeding method for cheilinus undulatus Download PDFInfo
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- CN104255623A CN104255623A CN201410551887.3A CN201410551887A CN104255623A CN 104255623 A CN104255623 A CN 104255623A CN 201410551887 A CN201410551887 A CN 201410551887A CN 104255623 A CN104255623 A CN 104255623A
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- nursery pond
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- prelarva
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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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
Abstract
The invention discloses an artificial breeding method for cheilinus undulates. The artificial breeding method comprises the following steps of: A, selecting a breeding pool; B, sterilizing the breeding pool; C, injecting water into the breeding pool; D, cultivating plankton; E, setting incubators; F, incubating oosperm; G, putting fries into the breeding pool; H, managing water quality of the breeding pool; I, managing an aerator; J, feeding fries which are 4-5 days old with bait and managing; K, feeding fries which are 5-13 days old with bait and managing; L, feeding fries which are 14-23 days old with bait and managing; M, feeding fries which are 24-28 days old with bait and managing; N, feeding fries which are 29-40 days old with bait and managing; and O, catching the cheilinus undulates. The artificial breeding method for cheilinus undulates is applied to the technical field of aquaculture; according to the artificial breeding method for cheilinus undulates, juvenile fishes can be bred in bulk. The artificial breeding method is scientific, reasonable and efficient.
Description
Technical field
The present invention relates to technical field of aquaculture, be specifically related to the artificial raise seedling method of a kind of ripple lip fish.
Background technology
Ripple lip fish (
cheilinus undulatusr ü ppell) be commonly called as Su Mei, apoleon fish, be subordinate to Perciformes, Labridae, lip fish genus.It is one of maximum coral fishes of build, and adult body length can reach 200cm.Mainly be distributed in African eastern bank, Red sea and from the Indian Ocean to center, the Pacific Ocean, the South Sea, the south East China Sea of China have distribution.Ripple lip fish is the delicious food during Asian is coiled, and transition the reason such as to be fished for and caused ripple lip fish endangered.2004, WWF announced in 10 kinds of endangered biological lists, and ripple lip fish ranks second; The same year, this fingerling was put into IUCN(International Union for Conservation of Nature and Natural Resources) animals on the brink of extinction Red Data Book; Within 2005, be put into CITES " CITS " appendix II.
Ripple lip fish is by overfishing, and Resource deplete receives great attention, and correlative study also increases gradually.Sadovy etc. (2003) have carried out more detailed Reporting of Overview from the geographical distribution of ripple lip fish, habitat, abundance, biology, the aspect such as fishery resources and utilization, trade, mariculture and conservation status to the research in past; think that this fingerling is not yet successful to raise in hatchery, need urgent management or protect.Sluka etc. (2005) investigate the ripple lip fish of India West Coast, find that its density is very low.The otolith that Choat etc. (2006) have studied northeast Australia ripple lip fish finds, male max age was 25 ages, and female max age was 30 ages, and annual death rate is 10% ~ 14%, protogyny, but not all fish all can sex reversal.John E. Randall(1978) study the feeding habits of Red sea, Pacific Ocean ripple lip fish, show this fish mainly with mollusk, fish, sea urchin and shellfish are food.Dorenbosch etc. (2006) have investigated the ripple lip fish on four island, the western Indian Ocean, think that sea grass bed and mangrove forest are the important habitats of its young.P.L.Colin (2010) gathers barrier reef after observing ripple lip eyebrow fish climax every day and lays eggs to an ad-hoc location of sea rim, thinks that the Annual fluctuation that this fish lays eggs is relevant with season and the phases of the moon.Olivier Chateau and Laurent Wantiez(2006) adopt radiotelemetric method to be studied family's territory size of ripple lip fish and activity rhythm.
In artificial propagation, Murdjani(1999) once artificial induction is carried out to ripple lip fish and lay eggs, incubation rate reaches 30% ~ 80%, but most of prelarva can only survive 16 days.The domestic research to ripple lip fish is less, University Of Hainan's Chen Guohua etc. (2009,2010) ripple lip fish chromosome karyotype analysis, the Morphological And Anatomical of digestive system and Histological research has been carried out, this fishing gear chromosome 48, for carnivorous without stomach fish, digestive tract total length is extremely short, jaw tooth is all very flourishing with pharynx tooth, enteron aisle is extremely thick, and liver divides three leaves, and pancreas dispersivity is distributed in liver organization.When ripple lip fish is endangered, solves seed problem with artificial propagation, and then realize commercial aquaculture, be the natural resources of protection ripple lip fish, meet the effective way of people to the demand of ripple lip fish.
Summary of the invention
Problem to be solved by this invention is, for the deficiency of above-mentioned technology, design a kind of scientific and reasonable, efficiently, ripple lip fish fertilized egg cultivated into the artificial raise seedling method of juvenile fish by batch.
The technical scheme that the present invention adopts for its problem of solution is:
An artificial raise seedling method for ripple lip fish, comprises the following steps:
A, the choosing of nursery pond: choose pour water, draining is convenient, area is 2 ~ 5 mu, smooth at the bottom of pond, between dark more than the 2.5m in pond, more than water-storage depth 2m, nursery stage, water temperature is 27 ~ 31.5 DEG C, can obtains the pond of clean sea water as nursery pond, every mu of water area in nursery pond arranges 1, aerator, apart from nursery pond edge 1m place, one circle gas charging stone is being set, the spacing of connected gas charging stone is 1m, and described gas charging stone is connected to inflator;
The sterilization in B, nursery pond: the artificial foreign material removing nursery pond bottom, mainly comprise mud, Enteromorpha, nursery pond is allowed to tan by the sun 3 ~ 4d under the sun, pour water and make nursery pond water level depth reach 10 ~ 20cm, to every mu of water area bleaching powder 10 ~ 20kg full pool spilling head in nursery pond, for sterilization, after confirming the fish in nursery pond, shell-fish, the whole death of software class, discharge the water in nursery pond, then allow nursery pond airing 1 ~ 2d under the sun;
C, the pouring water of nursery pond: 4 ~ 5d before buying fertilized egg, pour water to nursery pond, nursery pond water level depth is made to reach 1.5 ~ 1.8m, fill with the filter bag that the seawater into nursery pond adopted 200 mesh sieve tulles to make in advance to filter, retain the nanoplankton in water, filtering microplankton;
D, cultivation plankton: the inflator in splash to every mu of water area in nursery pond biological organic fertilizer particle 30kg, startup aerator and nursery pond, impel fertilising evenly, after cultivating water quality 4 ~ 5d, and the plankton situation in inspection nursery pond waters;
E, incubator box is set: incubator box colour bar cloth is made, be square, specification is 4m × 3m × 1m or 6m × 3m × 1m, incubator box is arranged in nursery pond by fixed mount, the upper edge of incubator box is made to exceed nursery pond water level 0.1 ~ 0.15cm, in incubator box, by every square area, gas charging stone 1 is evenly set, described gas charging stone is connected to inflator, and hide with the sunshade net of 90% shading rate above incubator box, avoid sunshine shining directly, on the same day of buying fertilized egg, from the clean seawater of sea area extracting directly, water temperature requires 27 ~ 29 DEG C, seawater pours into incubator box after the filter bag that 200 mesh sieve tulles are made filters, until incubator box water level depth reaches 0.85 ~ 0.9m, open the inflator of incubator box, continual inflation is done to incubator box water body,
The hatching of F, fertilized egg: put the fertilized egg of buying into incubator box 0.5 ~ 1h together with packaging bag, until the water temperature in packaging bag is consistent with the water temperature of incubator box, takes packaging bag apart, allows fertilized egg enter in incubator box and hatch, and the hatching density of fertilized egg is 200 × 10
3~ 300 × 10
3grain/m
3, under gassed conditions, fertilized egg is rolled in water body, timing from fertilization, and fertilized egg hatches prelarva after 15 ~ 16h, stays in incubator box and cultivate 3d after prelarva hatches;
G, prelarva put into nursery pond: after prelarva membrane during 4 age in days, close the aerator in nursery pond, uninterrupted inflation done by the inflator opening nursery pond, untied from fixed mount by incubator box, appoint incubator box four edge portions to sink under the horizontal plane of nursery pond, the gas charging stone in incubator box continues inflation, prelarva is appointed slowly to swim under flow action into nursery pond, after 2 ~ 3h, treat that the prelarva in incubator box all enters nursery pond, remove incubator box;
The water quality management in H, nursery pond: take transparency as index, keep nursery pond transparency 35 ~ 40cm, when transparency is too high, extract from other piscinas or the shrimp-cultivation pool pool seawater being rich in unicellular alga to be regulated, when transparency is too low, being regulated to add clean seawater before prelarva 15 age in days, being regulated by changing water after prelarva 15 age in days;
The management of I, aerator: start in nursery pond to pour water when cultivating water quality and open whole aerators, aerator is closed before prelarva puts into nursery pond, when prelarva 10 age in days, open the aerator of half quantity, open whole aerator until nursery terminates when prelarva 15 age in days;
The bait feeding of J, prelarva 4 ~ 5 age in days and management: in the mode of manually throwing something and feeding, mainly utilize the protozoa of nursery pond rearing as live food, and in maintenance nursery pond waters, protozoa density is 0.1 × 10
6~ 1 × 10
6ind/l, controls wheel animalcule density no more than 1 × 10
3ind/l, copepod larva density is not more than 0.5 × 10
3ind/l, in order to avoid cause unicellular alga and protozoic density in nursery pond to reduce, when finding that protozoa density is not enough, dropping into nursery pond supplementing as protozoa density deficiency with shellfish fertilized egg, making food organisms gross density reach requirement;
The bait feeding of K, prelarva 6 ~ 13 age in days and management: in the mode of manually throwing something and feeding, drop into wheel animalcule to nursery pond, keeps wheel animalcule density 3 × 10
3~ 4 × 10
3ind/l, keeps protozoa density 0.1 × 10
6~ 1 × 10
6ind/l, when protozoa density is not enough, drops into nursery pond as a supplement with shellfish fertilized egg, makes food organisms gross density reach requirement;
The bait feeding of L, prelarva 14 ~ 23 age in days and management: in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces;
The bait feeding of M, prelarva 24 ~ 28 age in days and management: prelarva starts to grow scale during this period, and total length reaches 7 ~ 8mm, life habit transfers the end to and dwells by swimming, keep good water quality and sufficient bait, ensure to complete metamorphosis smoothly, in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces;
The bait feeding of N, prelarva 29 ~ 40 age in days and management: in the mode of manually throwing something and feeding, keep nursery pond copepod larva density 3 × 10
3~ 5 × 10
3ind/l, leave wheel animalcule and the minimizing of protozoa density;
The harvesting of O, ripple lip fish: the harvesting when ripple lip fish 40 age in days total length reaches 1.3 ~ 1.5cm, first draining makes nursery pond water level depth be down to 0.8m, select the side that the shoal of fish is many, using arranges net surrounds 1/4 area in nursery pond, carefully ripple lip fish is fished for, transport to cement pit point specification, support temporarily, prepare to sell or proceed to next stage and cultivate.
The invention has the beneficial effects as follows: the present invention is applied to technical field of aquaculture, the present invention is to provide and choose nursery pond, by filtering the seawater of filling with into nursery pond, initial planktonic composition in effective control nursery pond waters, the fertilized egg of ripple lip fish is cultivated in incubator box, prevent prelarva from entering nursery pond rearing when there is no active Burden-Swimming Ability of KM and sinking to the bottom death, improve the survival rate of prelarva, to throw something and feed suitable food organisms according to prelarva different developmental phases, control unsuitable plankton quantity simultaneously, reach the method that ripple lip fish fertilized egg is cultivated into juvenile fish by batch.The method is scientific and reasonable, efficient.
Embodiment
Clear, complete description is carried out, to understand object of the present invention, characteristic sum effect fully below with reference to the technique effect of embodiment to design of the present invention and generation.Obviously; described embodiment is a part of embodiment of the present invention, instead of whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of protection of the invention.
The artificial raise seedling method of a kind of ripple lip fish provided by the present invention, comprises the following steps:
A, the choosing of nursery pond: choose pour water, draining is convenient, area is 2 ~ 5 mu, smooth at the bottom of pond, between dark more than the 2.5m in pond, more than water-storage depth 2m, nursery stage, water temperature is 27 ~ 31.5 DEG C, can obtains the pond of clean sea water as nursery pond, every mu of water area in nursery pond arranges 1, aerator, apart from nursery pond edge 1m place, one circle gas charging stone is being set, the spacing of connected gas charging stone is 1m, and described gas charging stone is connected to inflator.As preferred embodiment, selected nursery pond area is 4.5 mu, and described aerator is paddle aerator, and nursery pond upper cover has the sunshade net of light resistance rate 80%.
The sterilization in B, nursery pond: the artificial foreign material such as mud, Enteromorpha removing nursery pond bottom, nursery pond is allowed to tan by the sun 3 ~ 4d under the sun, pour water and make nursery pond water level depth reach 10 ~ 20cm, to every mu of water area bleaching powder 10 ~ 20kg full pool spilling head in nursery pond, for sterilization, after confirming the fish in nursery pond, shell-fish, the whole death of software class, discharge the water in nursery pond, then allow nursery pond airing 1 ~ 2d under the sun.As preferred embodiment, remove foreign material relief nursery pond airing 4d under the sun of nursery pond bottom, rear every mu of water area 20kg bleaching powder to nursery pond of having intake is splashed, and after discharging the water in nursery pond, then allows nursery pond airing 2d under the sun.
C, the pouring water of nursery pond: 4 ~ 5d before buying fertilized egg, pour water to nursery pond, make nursery pond water level depth reach 1.5 ~ 1.8m, as preferred embodiment, nursery pond water level depth should reach 1.8m.Fill with the filter bag that the seawater into nursery pond adopted 200 mesh sieve tulles to make in advance to filter, retain the nanoplankton in water, filtering microplankton and larger plankton, nanoplankton wherein in nursery pond mainly comprises unicellular alga, protozoa etc., and microplankton mainly comprises wheel animalcule, copepod larva etc.If the seawater of filling with into nursery pond filters without 200 order filter bags, then in nursery pond, wheel animalcule, copepod larva can allow unicellular alga, protozoa quantity increase slow time more, cause ripple lip fish to lack open-mouthed bait.
D, cultivation plankton: the inflator in splash to every mu of water area in nursery pond biological organic fertilizer particle 30kg, startup aerator and nursery pond, impel fertilising evenly, after cultivating water quality 4 ~ 5d, and the plankton situation in inspection nursery pond waters.As preferred embodiment, biological organic fertilizer particle requirement meets NY884-2004 ministry standard (1. living bacteria count>=0.2 hundred million/g; 2. the content of organic matter>=25%; 3. moisture≤15.0%; 4. pH value 5.5-8.5; 5. excrement colibacillus group number≤100/g; 6. induced worm egg death rate>=95%); And the plankton situation in water body reaches transparency 37cm, diatom 1.47 × 10
6, green alga 1.265 × 10
6, chrysophyceae 0.275 × 10
6, dinoflagellate, blue-green algae, hidden algae add up to 0.825 × 10
6, protozoa 0.816 × 10
6, Shellfish Larva 50 × 10
3, wheel animalcule 0.5 × 10
3, copepod larva 0.5 × 10
3for better.
E, incubator box is set: incubator box colour bar cloth is made, be square, specification is 4m × 3m × 1m or 6m × 3m × 1m, incubator box is arranged in nursery pond by fixed mount, the upper edge of incubator box is made to exceed nursery pond water level 0.1 ~ 0.15cm, in incubator box, by every square area, gas charging stone 1 is evenly set, described gas charging stone is connected to inflator, and hide with the sunshade net of 90% shading rate above incubator box, avoid sunshine shining directly, on the same day of buying fertilized egg, from the clean seawater of sea area extracting directly, water temperature requires 27 ~ 29 DEG C, seawater pours into incubator box after the filter bag that 200 mesh sieve tulles are made filters, until incubator box water level depth reaches 0.85 ~ 0.9m, open the inflator of incubator box, continual inflation is done to incubator box water body.
The hatching of F, fertilized egg: put the fertilized egg of buying into incubator box 0.5 ~ 1h together with packaging bag, until the water temperature in packaging bag is consistent with the water temperature of incubator box, takes packaging bag apart, allows fertilized egg enter in incubator box and hatch, and the hatching density of fertilized egg is 200 × 10
3~ 300 × 10
3grain/m
3, under gassed conditions, fertilized egg is rolled in water body, and timing from fertilization, fertilized egg hatches prelarva after 15 ~ 16h, stays in incubator box and cultivate 3d after prelarva hatches.As preferred embodiment, the hatching density of fertilized egg in incubator box is 200 × 10
3grain/m
3, water temperature 29 DEG C in incubator box, embryonic development hatches prelarva after lasting 16h, and prelarva cultivates 3d in incubator box.The prelarva allelotaxis of firm hatching is incomplete, and mobility is poor, can not initiatively swim, only movable once in a while in water body, prelarva at the 4th day (prelarva 3 age in days) of incubator box, total length 3.0mm, mobility strengthens, and initiatively can swim, and occur action of ingesting.
G, prelarva put into nursery pond: after prelarva membrane during 4 age in days, close the aerator in nursery pond, uninterrupted inflation done by the inflator opening nursery pond, untied from fixed mount by incubator box, appoint incubator box four edge portions to sink under the horizontal plane of nursery pond, the gas charging stone in incubator box continues inflation, prelarva is appointed slowly to swim under flow action into nursery pond, after 2 ~ 3h, treat that the prelarva in incubator box all enters nursery pond, remove incubator box.As preferred embodiment, before prelarva is put into nursery pond, require that the water quality index in nursery pond reaches transparency 35cm, diatom 1.29 × 10
6/ l, green alga 1.22 × 10
6ind/l, chrysophyceae 0.41 × 10
6ind, dinoflagellate, blue-green algae, hidden algae, xanthophyta add up to 0.66 × 10
6ind/l, protozoa 0.815 × 10
6ind/l, Shellfish Larva 62.5 × 10
3ind/l, wheel animalcule 0.687 × 10
3ind/l, copepod larva 0.417 × 10
3ind/l is better.
The water quality management in H, nursery pond: take transparency as index, keep nursery pond transparency 35 ~ 40cm, when transparency is too high, extract from other piscinas or the shrimp-cultivation pool pool seawater being rich in unicellular alga to be regulated, when transparency is too low, being regulated to add clean seawater before prelarva 15 age in days, being regulated by changing water after prelarva 15 age in days.
The management of I, aerator: start in nursery pond to pour water when cultivating water quality and open whole aerators, aerator is closed before prelarva puts into nursery pond, when prelarva 10 age in days, open the aerator of half quantity, open whole aerator until nursery terminates when prelarva 15 age in days.
The bait feeding of J, prelarva 4 ~ 5 age in days and management: in the mode of manually throwing something and feeding, mainly utilize the protozoa of nursery pond rearing as live food, and in maintenance nursery pond waters, protozoa density is 0.1 × 10
6~ 1 × 10
6ind/l, controls wheel animalcule density no more than 1 × 10
3ind/l, copepod larva density is not more than 0.5 × 10
3ind/l, in order to avoid cause unicellular alga and protozoic density in nursery pond to reduce, when finding that protozoa density is not enough, dropping into nursery pond supplementing as protozoa density deficiency with shellfish fertilized egg, making food organisms gross density reach requirement.As preferred embodiment, it is good that shellfish fertilized egg chooses oyster fertilized egg.
The bait feeding of K, prelarva 6 ~ 13 age in days and management: in the mode of manually throwing something and feeding, drop into wheel animalcule to nursery pond, keeps wheel animalcule density 3 × 10
3~ 4 × 10
3ind/l, keeps protozoa density 0.1 × 10
6~ 1 × 10
6ind/l, when protozoa density is not enough, drops into nursery pond as a supplement with shellfish fertilized egg, makes food organisms gross density reach requirement.
The bait feeding of L, prelarva 14 ~ 23 age in days and management: in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces.
The bait feeding of M, prelarva 24 ~ 28 age in days and management: prelarva starts to grow scale during this period, and total length reaches 7 ~ 8mm, life habit transfers the end to and dwells by swimming, keep good water quality and sufficient bait, ensure to complete metamorphosis smoothly, in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces.
The bait feeding of N, prelarva 29 ~ 40 age in days and management: in the mode of manually throwing something and feeding, keep nursery pond copepod larva density 3 × 10
3~ 5 × 10
3ind/l, leave wheel animalcule and the minimizing of protozoa density.
The harvesting of O, ripple lip fish: the harvesting when ripple lip fish 40 age in days total length reaches 1.3 ~ 1.5cm, first draining makes nursery pond water level depth be down to 0.8m, select the side that the shoal of fish is many, using arranges net surrounds 1/4 area in nursery pond, carefully ripple lip fish is fished for, transport to cement pit point specification, support temporarily, prepare to sell or proceed to next stage and cultivate.Because sea is directly taken from water source, nursery pond, though nursery pond waters filters through 200 order filter bags, but cannot the nauplius of whole filtering crab classes, the latter grows with larvae growth in nursery pond, be easy to be caught by crab class for dwelling life at the end when ripple lip fish is abnormal, therefore should harvesting as early as possible, again due to ripple lip fish long neat squamation, the stimulation of harvesting can be stood.
Transport fertilized egg needs to calculate the time of starting shipment, and guarantees that prelarva can not hatch in transit.If haulage time is longer, when can not arrive destination before prelarva membrane in the mode of fertilized egg transport, then should change transport prelarva into.After the whole membrane of prelarva, seedling, packaging, transport can be received.
Above better embodiment of the present invention is illustrated, but the present invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (1)
1. an artificial raise seedling method for ripple lip fish, is characterized in that, comprises the following steps:
Choosing of nursery pond: choose pour water, draining is convenient, area is 2 ~ 5 mu, smooth at the bottom of pond, between dark more than the 2.5m in pond, more than water-storage depth 2m, nursery stage, water temperature is 27 ~ 31.5 DEG C, can obtains the pond of clean sea water as nursery pond, every mu of water area in nursery pond arranges 1, aerator, apart from nursery pond edge 1m place, one circle gas charging stone is being set, the spacing of connected gas charging stone is 1m, and described gas charging stone is connected to inflator;
The sterilization in B, nursery pond: the artificial foreign material removing nursery pond bottom, mainly comprise mud, Enteromorpha, nursery pond is allowed to tan by the sun 3 ~ 4d under the sun, pour water and make nursery pond water level depth reach 10 ~ 20cm, to every mu of water area bleaching powder 10 ~ 20kg full pool spilling head in nursery pond, for sterilization, after confirming the fish in nursery pond, shell-fish, the whole death of software class, discharge the water in nursery pond, then allow nursery pond airing 1 ~ 2d under the sun;
C, the pouring water of nursery pond: 4 ~ 5d before buying fertilized egg, pour water to nursery pond, nursery pond water level depth is made to reach 1.5 ~ 1.8m, fill with the filter bag that the seawater into nursery pond adopted 200 mesh sieve tulles to make in advance to filter, retain the nanoplankton in water, filtering microplankton;
D, cultivation plankton: the inflator in splash to every mu of water area in nursery pond biological organic fertilizer particle 30kg, startup aerator and nursery pond, impel fertilising evenly, after cultivating water quality 4 ~ 5d, and the plankton situation in inspection nursery pond waters;
E, incubator box is set: incubator box colour bar cloth is made, be square, specification is 4m × 3m × 1m or 6m × 3m × 1m, incubator box is arranged in nursery pond by fixed mount, the upper edge of incubator box is made to exceed nursery pond water level 0.1 ~ 0.15cm, in incubator box, by every square area, gas charging stone 1 is evenly set, described gas charging stone is connected to inflator, and hide with the sunshade net of 90% shading rate above incubator box, avoid sunshine shining directly, on the same day of buying fertilized egg, from the clean seawater of sea area extracting directly, water temperature requires 27 ~ 29 DEG C, seawater pours into incubator box after the filter bag that 200 mesh sieve tulles are made filters, until incubator box water level depth reaches 0.85 ~ 0.9m, open the inflator of incubator box, continual inflation is done to incubator box water body,
The hatching of F, fertilized egg: put the fertilized egg of buying into incubator box 0.5 ~ 1h together with packaging bag, until the water temperature in packaging bag is consistent with the water temperature of incubator box, takes packaging bag apart, allows fertilized egg enter in incubator box and hatch, and the hatching density of fertilized egg is 200 × 10
3~ 300 × 10
3grain/m
3, under gassed conditions, fertilized egg is rolled in water body, timing from fertilization, and fertilized egg hatches prelarva after 15 ~ 16h, stays in incubator box and cultivate 3d after prelarva hatches;
G, prelarva put into nursery pond: after prelarva membrane during 4 age in days, close the aerator in nursery pond, uninterrupted inflation done by the inflator opening nursery pond, untied from fixed mount by incubator box, appoint incubator box four edge portions to sink under the horizontal plane of nursery pond, the gas charging stone in incubator box continues inflation, prelarva is appointed slowly to swim under flow action into nursery pond, after 2 ~ 3h, treat that the prelarva in incubator box all enters nursery pond, remove incubator box;
The water quality management in H, nursery pond: take transparency as index, keep nursery pond transparency 35 ~ 40cm, when transparency is too high, extract from other piscinas or the shrimp-cultivation pool pool seawater being rich in unicellular alga to be regulated, when transparency is too low, being regulated to add clean seawater before prelarva 15 age in days, being regulated by changing water after prelarva 15 age in days;
The management of I, aerator: start in nursery pond to pour water when cultivating water quality and open whole aerators, aerator is closed before prelarva puts into nursery pond, when prelarva 10 age in days, open the aerator of half quantity, open whole aerator until nursery terminates when prelarva 15 age in days;
The bait feeding of J, prelarva 4 ~ 5 age in days and management: in the mode of manually throwing something and feeding, mainly utilize the protozoa of nursery pond rearing as live food, and in maintenance nursery pond waters, protozoa density is 0.1 × 10
6~ 1 × 10
6ind/l, controls wheel animalcule density no more than 1 × 10
3ind/l, copepod larva density is not more than 0.5 × 10
3ind/l, in order to avoid cause unicellular alga and protozoic density in nursery pond to reduce, when finding that protozoa density is not enough, dropping into nursery pond supplementing as protozoa density deficiency with shellfish fertilized egg, making food organisms gross density reach requirement;
The bait feeding of K, prelarva 6 ~ 13 age in days and management: in the mode of manually throwing something and feeding, drop into wheel animalcule to nursery pond, keeps wheel animalcule density 3 × 10
3~ 4 × 10
3ind/l, keeps protozoa density 0.1 × 10
6~ 1 × 10
6ind/l, when protozoa density is not enough, drops into nursery pond as a supplement with shellfish fertilized egg, makes food organisms gross density reach requirement;
The bait feeding of L, prelarva 14 ~ 23 age in days and management: in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces;
The bait feeding of M, prelarva 24 ~ 28 age in days and management: prelarva starts to grow scale during this period, and total length reaches 7 ~ 8mm, life habit transfers the end to and dwells by swimming, keep good water quality and sufficient bait, ensure to complete metamorphosis smoothly, in the mode of manually throwing something and feeding, keep wheel animalcule density 5 × 10
3~ 6 × 10
3ind/l, copepod larva of increasing input, requires copepod larva density 3 × 10
3~ 5 × 10
3ind/l, protozoa density of leaving reduces;
The bait feeding of N, prelarva 29 ~ 40 age in days and management: in the mode of manually throwing something and feeding, keep nursery pond copepod larva density 3 × 10
3~ 5 × 10
3ind/l, leave wheel animalcule and the minimizing of protozoa density;
The harvesting of O, ripple lip fish: the harvesting when ripple lip fish 40 age in days total length reaches 1.3 ~ 1.5cm, first draining makes nursery pond water level depth be down to 0.8m, select the side that the shoal of fish is many, using arranges net surrounds 1/4 area in nursery pond, carefully ripple lip fish is fished for, transport to cement pit point specification, support temporarily, prepare to sell or proceed to next stage and cultivate.
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| CN107155956A (en) * | 2017-01-07 | 2017-09-15 | 李育培 | A kind of artificial seed's breeding method of rose Du rockfish |
| CN108770737A (en) * | 2018-05-23 | 2018-11-09 | 海南晨海水产有限公司 | A kind of tiger dragon hybridization spot pond method for culturing seedlings of high-survival rate and growth rate |
| WO2020073280A1 (en) * | 2018-10-10 | 2020-04-16 | 苏州鱼之源生物科技有限公司 | Block-type ecology-imitating pond breeding and fry-rearing device and method |
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| CN112089502A (en) * | 2020-09-23 | 2020-12-18 | 中国水产科学研究院北戴河中心实验站 | Method for rapidly picking otoliths of juvenile takifugu |
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Cited By (8)
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|---|---|---|---|---|
| CN107155956A (en) * | 2017-01-07 | 2017-09-15 | 李育培 | A kind of artificial seed's breeding method of rose Du rockfish |
| CN107155956B (en) * | 2017-01-07 | 2020-06-12 | 李育培 | Sebastes roseus artificial fry cultivation method |
| CN108770737A (en) * | 2018-05-23 | 2018-11-09 | 海南晨海水产有限公司 | A kind of tiger dragon hybridization spot pond method for culturing seedlings of high-survival rate and growth rate |
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| 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 |
| CN112089502A (en) * | 2020-09-23 | 2020-12-18 | 中国水产科学研究院北戴河中心实验站 | Method for rapidly picking otoliths of juvenile takifugu |
| CN112089502B (en) * | 2020-09-23 | 2024-01-30 | 中国水产科学研究院北戴河中心实验站 | Method for rapidly picking up juvenile otoliths of takifugu |
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