CN105900886A - Method for indoors breeding oxyeleotris lineolatus fry by means of organism bait - Google Patents
Method for indoors breeding oxyeleotris lineolatus fry by means of organism bait Download PDFInfo
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- CN105900886A CN105900886A CN201610335223.2A CN201610335223A CN105900886A CN 105900886 A CN105900886 A CN 105900886A CN 201610335223 A CN201610335223 A CN 201610335223A CN 105900886 A CN105900886 A CN 105900886A
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- 241000969802 Oxyeleotris lineolata Species 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009395 breeding Methods 0.000 title claims abstract description 14
- 230000001488 breeding effect Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 25
- 238000011534 incubation Methods 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 241000251468 Actinopterygii Species 0.000 claims description 31
- 239000013505 freshwater Substances 0.000 claims description 19
- 241000700141 Rotifera Species 0.000 claims description 17
- 235000013372 meat Nutrition 0.000 claims description 16
- 241001247197 Cephalocarida Species 0.000 claims description 14
- 102000002322 Egg Proteins Human genes 0.000 claims description 14
- 108010000912 Egg Proteins Proteins 0.000 claims description 14
- 210000004681 ovum Anatomy 0.000 claims description 14
- 210000004602 germ cell Anatomy 0.000 claims description 12
- 230000003203 everyday effect Effects 0.000 claims description 11
- 230000000384 rearing effect Effects 0.000 claims description 10
- 235000013601 eggs Nutrition 0.000 claims description 9
- 241000239250 Copepoda Species 0.000 claims description 8
- 241000058338 Macrobrachium nipponense Species 0.000 claims description 8
- 241000595940 Notostraca Species 0.000 claims description 8
- 230000012447 hatching Effects 0.000 claims description 7
- 210000004379 membrane Anatomy 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 235000016709 nutrition Nutrition 0.000 claims description 6
- 230000035764 nutrition Effects 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 5
- 230000037396 body weight Effects 0.000 claims description 4
- 239000012267 brine Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 238000007726 management method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 4
- 235000013305 food Nutrition 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 210000001325 yolk sac Anatomy 0.000 claims description 3
- 241001494930 Brachionus calyciflorus Species 0.000 claims description 2
- 241000700104 Brachionus plicatilis Species 0.000 claims description 2
- 241000256128 Chironomus <genus> Species 0.000 claims description 2
- 241000256135 Chironomus thummi Species 0.000 claims description 2
- 241000195585 Chlamydomonas Species 0.000 claims description 2
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims description 2
- 241000195663 Scenedesmus Species 0.000 claims description 2
- 238000005352 clarification Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 210000002149 gonad Anatomy 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000366 juvenile effect Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 210000000006 pectoral fin Anatomy 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 230000004083 survival effect Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract 1
- 235000019688 fish Nutrition 0.000 description 21
- 241001670009 Eleotridae Species 0.000 description 2
- 241001669652 Oxyeleotris Species 0.000 description 2
- 241000276618 Perciformes Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009400 out breeding Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241001597062 Channa argus Species 0.000 description 1
- 241001064683 Cladoceras Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 241000269882 Gobioidei Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001669646 Oxyeleotris marmorata Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a method for indoors breeding oxyeleotris lineolatus fry by means of organism bait. The method comprises the following steps of parental selection and strengthening breeding, natural spawning and incubation management and fry breeding. According to the method, breeding of the oxyeleotris lineolatus fry is carried out indoors, the whole breeding process is visible and controllable, and breeding conditions such as the water temperature, the water quality and dissolved oxygen all tend to be stable; according to the requirements of the oxyeleotris lineolatus fry at different development stages on bait, the organism bait is utilized for accurately breeding the fry in a cement pool; on one hand, the requirements of the fry on bait varieties are guaranteed; on the other hand, due to small water body breeding, the fed bait is easy to ingest; therefore, the utilization efficiency of the bait is greatly improved, and not only can the breeding survival rate of the fry be increased, but also the fry breeding cost can be reduced.
Description
Technical field
The invention belongs to aquatic animal raising technology field, be specifically related to one and utilize biological feed indoor to breed strain line point
The method of sleeper fry.
Background technology
Oxyeleotris lineolatus (Oxyeleotris lineolatus), English name sleepy cod, classification is under the jurisdiction of Perciformes
(Perciformes), goby suborder (Gobioidei), Eleotridae (Eleotridae), Oxyeleotris (Oxyeleotris).
It is referred to as sleeping cod in Australia；It is referred to as Australia bamboo shell fish in Hong Kong and Macao of China, In Guangdong Province.It is big that Oxyeleotris lineolatus originates in Australia
Leah, suitable water temperature range is 15-35 DEG C, and less than 15 DEG C energies substantially weaken, and semilethal low temperature lower bound is 8.5 DEG C, generally
It is distributed in pasture and water and flat water, eating small fish, shrimp etc. sluggishly.This meat quality of fish is delicate, and delicious flavour, deeply by state's internal diabetes
The person of expense welcomes.China in last century the nineties start to introduce this fish, and carry out in pond raising and train, breed and tentatively obtaining into
Merit.But because of this kind, to introduce China's time the longest, and newly hatched larvae individuality is less, only 2.875mm, and prelarva includes mixing battalion
Supporting alevin stage, the time is short, only about 5d, belongs to the Fish relatively early setting up exogenous nutrition feeding mechanism, therefore seed rearing skill
It is the most immature that art compares other Common Fishs.It has been observed that Oxyeleotris lineolatus from endogenous nutrition to exogenous nutrition mistake
Spend interim, although the oily ball in yolk sac can be relied on to provide energy, but the most limited, and hatching second day some individuality can open
Mouth is ingested, and hatches the of short duration 3 day mixotrophism phase that just enters for the 3rd day, hatches and transfer pure exogenous nutrition on the 5th day.Natural
Water body or man-made pond(pool), all cannot provide the open-mouthed bait that prelarva is fully sufficient, thus occur that prelarva dies young in a large number；
Secondly as prelarva individuality is little, keeping away enemy's ability, easily become the object of ingesting of Copepods in water body, cladocera, these are all
Considerably increase the seed rearing difficulty of this fish, reduce its cultivating survival rate.
At present, the seed rearing majority of Oxyeleotris lineolatus still takes traditional Tu Chi to cultivate pattern.Owing to being outdoor training
Supporting, this seedling raising manners is highly prone to the impact of the environmental factors such as weather, water temperature, adds and cannot provide for the fry in each stage
Sufficient agreeable to the taste bait, causes the cultivating survival rate of fry to be only 15-20%.It is contemplated that according to the biology of Oxyeleotris lineolatus
Learn characteristic, in its mating period, in greenhouse, in cement pit, carry out artificial propagation and seed rearing, utilize freshwater microalgae and fresh water
The biological feeds such as wheel animalcule precisely provide the bait in Oxyeleotris lineolatus fry growth each stage, thus are greatly improved seed rearing and survive
Rate.
Summary of the invention
For problems of the prior art, present invention aim at providing one to utilize biological feed indoor to breed line
The method of stricture of vagina Oxyeleotris marmoratus fry.
The present invention is realized by the following technical programs:
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that by following steps group
Become:
1) Juvenile stage and reinforced cultivating
Northern Zhejiang area in mid-June select that vigor is good, squamation complete, the female milter of whose body weight about 400-500g is as parent
This, be that 1:1 puts in a suitable place to breed in cement pit according to sex ration, and breeding density is 1 tail/m2, the depth of water is 60cm, and in cement pit, water is warp
The clarification pond water of 120 mesh silk cover filterings, water temperature is 25-28 DEG C, and Roots blower and gas exhausting stone are uninterruptedly inflated；Parent
The fish nurturing period, the throw something and feed fresh chilled flesh of fish and Macrobrachium nipponensis(de Haan) are as bait, and the mode of throwing something and feeding of the chilled flesh of fish is for be cut into meat by the flesh of fish
Then fourth throws something and feeds, and the mode of throwing something and feeding of Macrobrachium nipponensis(de Haan) is thrown something and fed to parent's reinforced cultivating pond for live body after light salt brine is sterilized, and total feeding volume is about
For the 5-8% of parent's body weight, often cement pit being carried out water injection once in 2-3 days, displacement is 1/3, to stimulate parent fish gonad simultaneously
Grow；
2) natural spawning and hatching management
After entering mating period, female milter carries out nature pairing in cement pit, mutually chases, lays eggs, and the ovum produced adheres to
On cement pit pool wall, laying eggs after end, milter is kept alone by germ cell, frequently swings pectoral fin and tail fin, promotes by germ cell
Current produce fine motion, thus ensure germ cell periphery have abundance dissolved oxygen；When cement pit has 1-2 sheet germ cell, can be
Let alone in the case of protecting ovum milter as far as possible, other female milters are pulled out put to other cement pits proceed cultivate, make its from
So lay eggs, due to raun can many batches lay eggs, therefore raun in puerperal is pulled out in the lump, thus improves the utilization rate of parent；
During incubating oosperm, keep uninterrupted inflation, protect ovum milter to every day every tail simultaneously and throw something and feed 4-5 ice cube fresh fish meat cubelets,
To ensure its nutrition and muscle power；Under conditions of water temperature 25-28 DEG C, through 2.5-3d, prelarva progressively hatches, and treats that germ cell is all incubated
After dissolving film, go to new parent culture pond by protecting ovum milter；Utilize this kind of hatching pattern, owing to there being milter to protect ovum, can be significantly
Improving the incubation rate of germ cell, incubation rate is up to more than 95%；
3) fry rearing
After incubation of membrane 2d, the yolk sac of prelarva is absorbed complete substantially, and beginning level is travelling and looks for food, and can carry out fry training
Educate；Cultivate and carry out in former spawning pond, the damage that fry is produced by manual operation can be reduced, from fry opening to total length length to 2-
3cm, uses microalgae and freshwater rotifer, fairy shrimp, cladocera and Copepods, big artemia and fish meat emulsion or flesh of fish fourth as bait successively
Cultivating, concrete cultivation and management method are as follows:
First stage: 3d-10d, owing to the opening bore of prelarva only has 200-300 μm, selects microalgae and freshwater rotifer as fish
The open-mouthed bait of Seedling, this is also the bait that this fry rearing is the most key, and microalgae density of throwing something and feeding is 0.2-0.5*106Ind/ml,
Freshwater rotifer density of throwing something and feeding is 8-10ind/ml, in this stage, throws something and feeds 2-3 time every day, remains microalgae and freshwater rotifer
Throw something and feed density；The open-mouthed bait of Oxyeleotris lineolatus fry, the cultivating survival rate in this stage can be solved well by this kind of method
Can reach more than 95%；
Second stage: 11d-20d, the open-mouthed bait problem of this stage major part fry solves, can gradually decrease freshwater rotifer
Throw something and feed, start simultaneously at fairy shrimp of throwing something and feeding；After this stage terminates, fry can grow to about 1.0cm；
Phase III: 20d-30d, this stage starts to throw something and feed the cladocera after 80 mesh samples are sieved through filter fished for from pond and oar foot
Class, bait feeding density is 3-5ind/ml, throws something and feeds 2-3 time every day, makes bait remain at this scope；This stage terminates
After, fry can grow to about 2.0cm；
Fourth stage: 30d-50d, fry carries out point supporting, an original pond divides and support to two ponds by this stage, after point supporting
Density is about 80 tails/m2；Bait feeding aspect, reduces cladocera and the feeding volume of Copepods, and starts manual chopping of throwing something and feeding
Chilled flesh of fish meat paste, < 1.0mm with finger flicks the water surface before throwing something and feeding every time, tames, then gradually thrown by meat paste its particle diameter
Fry before being concentrated to body；Along with gradually growing up of fry, the particle diameter of fish meat emulsion becomes larger to 2-3mm, and can start
Throw something and feed frost big artemia as bait, feeding volume is had enough gradually to scatter with fry and is as the criterion, and throws something and feeds every day 2 times.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that in step 1)
A length of 6m of described cement pit, a width of 2m；The specification of Macrobrachium nipponensis(de Haan) be 1800-2000 tail/kilogram, the specification of meat cubelets is that length, width and height are each
For 0.5cm, the salinity of described light salt brine is 2-3%, and the chilled flesh of fish thrown something and fed and the weight ratio of Macrobrachium nipponensis(de Haan) are 3:1.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that in step 3)
Microalgae be one or more in chlorella, scenedesmus or chlamydomonas.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that in step 3)
Freshwater rotifer is one or more in Brachionus calyciflorus, brachionus plicatilis and Branchionus urceus.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that step 3)
The feeding volume of two-stage freshwater rotifer, for being 5-8ind/ml in 11d density of throwing something and feeding, then gradually decreases, and 12-14d throws something and feeds
Density be 3-6ind/ml, 15-19d density of throwing something and feeding be 1-3ind/ml, stop throwing something and feeding freshwater rotifer to 20d；Fairy shrimp exists
Density of throwing something and feeding during 11d is 1ind/ml, is then gradually increased, and 12-14d density of throwing something and feeding every day is 2-3ind/ml, 15-
19d density of throwing something and feeding every day is 3-4ind/ml, is 5ind/ml to the density of throwing something and feeding of fairy shrimp during 20d.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that step 3)
The density of throwing something and feeding of four stage cladoceras and Copepods is 0.5ind/ml.
A kind of described method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry, it is characterised in that step 3)
Four stages, at an indoor water mud sump 100w electric filament lamp installed above, were used for attracting midge to laying eggs in cement pit and hatching generation
Chironomus larvas is as the bait of fry.Through the cultivation of fourth stage, fry, up to about 3cm, i.e. may be sold or puts in a suitable place to breed
Starting large size fingerling to cultivate and adult fish culture to pond, fry rearing survival rate is up to more than 85%.
The present invention, by carrying out breeding of Oxyeleotris lineolatus fry in indoor, makes to breed whole process more visible controlled, water temperature,
Water quality, dissolved oxygen etc. are bred condition and are all tended towards stability；According to the bait demand of Oxyeleotris lineolatus fry different developmental phases, utilize
Fry is precisely cultivated in cement pit by biological feed, on the one hand ensure that the fry demand to food species, the opposing party
Face, because being that small size pond is cultivated so that the bait thrown something and fed is prone to ingest, thus substantially increases the utilization ratio of bait, finally
Not only can improve the cultivating survival rate of fry, also can save seedling cost.
Accompanying drawing explanation
Fig. 1 is different days Oxyeleotris lineolatus fish total length change curve in cultivating process in embodiment 1；
Fig. 2 is that male parent protects ovum figure；
Fig. 3 is the fry figure of firm membrane；
Fig. 4 is successfully the fry figure of opening；
Fig. 5 is to cultivate the Oxyeleotris lineolatus fry figure to 2cm.
Detailed description of the invention
By specific examples below, the invention will be further described.
Embodiment 1
With one of them 12m in 20122As a example by cement pit, laid eggs in this cement pit July 2 a piece of after, ovum amount is less, utilize hero
Fish carries out protecting egg hatching, and by other parent transfer to other cement pits.Under conditions of water temperature 29 DEG C, July 5, germ cell was opened
Beginning incubation of membrane, whole membrane, also removed this pond proceed by fry rearing with protecting ovum milter July 6.According to this patent
In breeding method, successively with microalgae, freshwater rotifer, fairy shrimp, cladocera, Copepods, fish meat emulsion (fourth) and freeze big artemia
Cultivating for bait, to August 16, successful incubation went out Oxyeleotris lineolatus fry 9100 tail of about 3cm, and cultivating survival rate is about
It is 70%.
Wherein, in cultivating process, different days Oxyeleotris lineolatus fish total length change curve is as shown in Figure 1；Male parent protects
Ovum is as shown in Figure 2；Just the fry of membrane is as shown in Figure 3；The fry of success opening is as shown in Figure 4；Cultivate the strain line point pool to 2cm
Channa argus Seedling is as shown in Figure 5.
Embodiment 2
With one of them 12m in 20132As a example by cement pit, use same method to carry out breeding of Oxyeleotris lineolatus, cultivate
1cm Oxyeleotris lineolatus fry about 20,000 tail, cultivating survival rate about 95%, cultivate to Oxyeleotris lineolatus fry during 3cm about 1.8 ten thousand tail,
Cultivating survival rate about 85%.
Claims (10)
1. one kind utilizes the method that Oxyeleotris lineolatus fry is bred in biological feed indoor, it is characterised in that comprise the steps of:
1) Juvenile stage and reinforced cultivating
Northern Zhejiang area in mid-June select that vigor is good, squamation complete, the female milter of whose body weight about 400-500g is as parent
This, be that 1:1 puts in a suitable place to breed in cement pit according to sex ration, and breeding density is 1 tail/m2, the depth of water is 60cm, and in cement pit, water is warp
The clarification pond water of 120 mesh silk cover filterings, water temperature is 25-28 DEG C, and Roots blower and gas exhausting stone are uninterruptedly inflated；Parent
The fish nurturing period, the throw something and feed fresh chilled flesh of fish and Macrobrachium nipponensis(de Haan) are as bait, and the mode of throwing something and feeding of the chilled flesh of fish is for be cut into meat by the flesh of fish
Then fourth throws something and feeds, and the mode of throwing something and feeding of Macrobrachium nipponensis(de Haan) is thrown something and fed to parent's reinforced cultivating pond for live body after light salt brine is sterilized, and total feeding volume is about
For the 5-8% of parent's body weight, often cement pit being carried out water injection once in 2-3 days, displacement is 1/3, to stimulate parent fish gonad simultaneously
Grow；
2) natural spawning and hatching management
After entering mating period, female milter carries out nature pairing in cement pit, mutually chases, lays eggs, and the ovum produced adheres to
On cement pit pool wall, laying eggs after end, milter is kept alone by germ cell, frequently swings pectoral fin and tail fin, promotes by germ cell
Current produce fine motion, thus ensure germ cell periphery have abundance dissolved oxygen.
2., when cement pit has 1-2 sheet germ cell, in the case of letting alone and protecting ovum milter, other female milters are pulled out and puts to it
His cement pit proceeds cultivate and make its natural spawning；
During incubating oosperm, keep uninterrupted inflation, protect ovum milter to every day every tail simultaneously and throw something and feed 4-5 ice cube fresh fish meat cubelets,
To ensure its nutrition and muscle power；Under conditions of water temperature 25-28 DEG C, through 2.5-3d, prelarva progressively hatches, and treats that germ cell is all incubated
After dissolving film, go to new parent culture pond by protecting ovum milter；
3) fry rearing
After incubation of membrane 2d, the yolk sac of prelarva is absorbed complete substantially, and beginning level is travelling and looks for food, and can carry out fry training
Educate.
3. cultivate and carry out in former spawning pond, from fry opening to total length length to 2-3cm, successively with microalgae and freshwater rotifer, rich
Year worm, cladocera and Copepods, big artemia and fish meat emulsion or flesh of fish fourth are cultivated as bait, concrete cultivate and management method
As follows:
First stage: 3d-10d, owing to the opening bore of prelarva only has 200-300 μm, selects microalgae and freshwater rotifer as fish
The open-mouthed bait of Seedling, microalgae density of throwing something and feeding is 0.2-0.5*106Ind/ml, freshwater rotifer density of throwing something and feeding is 8-10ind/ml, often
It is thrown something and fed 2-3 time, remains the density of throwing something and feeding of microalgae and freshwater rotifer；
Second stage: 11d-20d, the open-mouthed bait problem of this stage major part fry solves, can gradually decrease freshwater rotifer
Throw something and feed, start simultaneously at fairy shrimp of throwing something and feeding；
Phase III: 20d-30d, this stage starts to throw something and feed the cladocera after 80 mesh samples are sieved through filter fished for from pond and oar foot
Class, bait feeding density is 3-5ind/ml, throws something and feeds 2-3 time every day, makes bait remain at this scope；
Fourth stage: 30d-50d, fry carries out point supporting, an original pond divides and support to two ponds by this stage, after point supporting
Density is about 80 tails/m2；Bait feeding aspect, reduces cladocera and the feeding volume of Copepods, and starts manual chopping of throwing something and feeding
Chilled flesh of fish meat paste, < 1.0mm with finger flicks the water surface before throwing something and feeding every time, tames, then gradually thrown by meat paste its particle diameter
Fry before being concentrated to body.
4. gradually growing up along with fry, the particle diameter of fish meat emulsion becomes larger to 2-3mm, and can start the big artemia freezed of throwing something and feeding
As bait, feeding volume is had enough gradually to scatter with fry and is as the criterion, and throws something and feeds every day 2 times.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
It is a length of 6m of the cement pit described in step 1), a width of 2m；The specification of Macrobrachium nipponensis(de Haan) be 1800-2000 tail/kilogram, the rule of meat cubelets
Lattice be length, width and height respectively for 0.5cm, the salinity of described light salt brine is 2-3%, and the chilled flesh of fish thrown something and fed and the weight ratio of Macrobrachium nipponensis(de Haan) are 3:1.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
The microalgae being in step 3) is one or more in chlorella, scenedesmus or chlamydomonas.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
Be the one during freshwater rotifer is Brachionus calyciflorus, brachionus plicatilis and Branchionus urceus in step 3) or one with
On.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
It is that the feeding volume of step 3) second stage freshwater rotifer, for being 5-8ind/ml in 11d density of throwing something and feeding, then gradually decreases,
12-14d density of throwing something and feeding is 3-6ind/ml, and 15-19d density of throwing something and feeding is 1-3ind/ml, stops, to 20d, fresh water wheel of throwing something and feeding
Worm；Fairy shrimp density of throwing something and feeding when 11d is 1ind/ml, is then gradually increased, and 12-14d density of throwing something and feeding every day is 2-
3ind/ml, 15-19d density of throwing something and feeding every day is 3-4ind/ml, is 5ind/ml to the density of throwing something and feeding of fairy shrimp during 20d.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
The density of throwing something and feeding being step 3) fourth stage cladocera and Copepods is 0.5ind/ml.
A kind of method utilizing biological feed indoor to breed Oxyeleotris lineolatus fry the most according to claim 1, its feature
It is that step 3) fourth stage, at an indoor water mud sump 100w electric filament lamp installed above, is used for attracting midge to produce to cement pit
Ovum and hatching produce the chironomus larvas bait as fry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610335223.2A CN105900886B (en) | 2016-05-19 | 2016-05-19 | A method of utilizing breeding Oxyeleotris lineolatus fry in biological feed room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610335223.2A CN105900886B (en) | 2016-05-19 | 2016-05-19 | A method of utilizing breeding Oxyeleotris lineolatus fry in biological feed room |
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| CN112772470A (en) * | 2020-12-31 | 2021-05-11 | 中国水产科学研究院黑龙江水产研究所 | Artificial cultivation method of juvenile glyptosternum maculatum |
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| CN112772470A (en) * | 2020-12-31 | 2021-05-11 | 中国水产科学研究院黑龙江水产研究所 | Artificial cultivation method of juvenile glyptosternum maculatum |
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