CN109997738A - A kind of artificial seed's breeding method of beshow - Google Patents
A kind of artificial seed's breeding method of beshow Download PDFInfo
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- CN109997738A CN109997738A CN201910052213.1A CN201910052213A CN109997738A CN 109997738 A CN109997738 A CN 109997738A CN 201910052213 A CN201910052213 A CN 201910052213A CN 109997738 A CN109997738 A CN 109997738A
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- bait
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- beshow
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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
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- 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 present invention provides a kind of artificial seed's breeding method of beshow, including seed density domination after water quality management after culture, bait feeding, bait throwing in front of bait throwing in and bait throwing in, the specific method is as follows: controlling during cultivating before bait throwing in and after bait throwing in water temperature, illumination and salinity；First stage only feeds wheel animalcule to prelarva；Second stage only feeds artemia to prelarva；Phase III feeds artemia and mixed bait to prelarva simultaneously, and fourth stage only feeds mixed bait；During cultivating after bait throwing in, seed density is controlled according to seed length.At present, for beshow, this research of fish with Important Economic value still belongs to blank, therefore the application proposes a kind of artificial seed's method for culturing seedlings of beshow, the larvae cultivation for the beshow that it can successfully bring out artificial breeding is to adult fish, this is a kind of seedling-raising technique that fry quality can be improved and guarantee survival rate, and can smoothly realize the factorial production, theoretical foundation and technical support are provided for the large-scale farming of beshow.
Description
Technical field
The present invention relates to technical field of aquaculture more particularly to a kind of artificial seed's breeding methods of beshow.
Background technique
Beshow (Anoplopoma fimbria) is under the jurisdiction of spoke fin net-rope (Actinopterygii), Rockfish shape mesh
(Scorpaeniformes), black Rockfish section (Anoplopomatidae), beshow category (Anoplopoma), are distributed in North Pacific
Bank, wherein sea area resources amount is the abundantest between Vancouver Island and the archipelago Shu Majin.It dwells economic fish as deep water bottom, naked lid
Fish individual is big, meat is delicate, full of nutrition, has high economic value, and domestic market price reaches 300 yuan/jin.Beshow
Because exactly liking gadus, so being named as " silver pout " by Japanese market at first.Early in 1800 just about business development beshow
Report.Beshow is considered as important fishery resources by Russia, Japan, Canada and the U.S. at present, and gradually to its base
Plinth biology conducts a research.It is reported that beshow is at fish length 50-70cm, the service life was up to 90 years old or more.
Currently, external have pertinent literature to describe the research about beshow.The country to the research of beshow then relatively
It is few, the country is introduced from Canada within 2013, only Huanghai Sea aquatic products research institute Liu Changlin, Chen Siqing etc. has carried out grinding on a small quantity for beshow
Study carefully, it is seldom for the research of breeding, ecology, nutrition, nursery etc..Therefore, domestic that the research of beshow can be described as
One huge blank, for this fish with Important Economic value, it is necessary for carrying out a series of research to it
's.
Therefore it needs to carry out beshow biological study as early as possible, be provided for the research further to this Important Economic fish
Theoretical basis.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of artificial seed's breeding method of beshow is provided.
The present invention to achieve the above object, using following technical scheme:
A kind of artificial seed's breeding method of beshow, including before bait throwing in after culture, bait feeding, bait throwing in water quality management with
And seed density domination after bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 14-16 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and illumination controls as 500-1000lx, cultivation
The salinity of water body is 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density
Breeding is simultaneously cultivated, and does not launch bait to prelarva, is only filled the water daily into Cultivation container, and water injection rate is former water body volume
30%；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 days
After age, while artemia and mixed bait are fed to prelarva, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait
Make；After 55 ages in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 10000-20000 tail/m3Density breeding support
It grows, when seed a length of 2-5cm, according to 1000-2000 tail/m3Density breeding cultivation.
Preferably, during bait feeding, during 8-20 age in days, feed wheel animalcule daily twice, inventory be 8-9/
ml。
Preferably, during bait feeding, during 21-40 age in days, morning and afternoon is respectively fed once, and wheel is first fed when feeding
Worm feeds artemia after being spaced 0.5-1h again, and wheel animalcule inventory is 5/ml, and artemia feeding volume is 0.1/ml.
Preferably, during bait feeding, the domestication work of live food, daily morning and afternoon are carried out during 41-50 age in days
The step of each primary domestication work of progress, domestication work, feeds a mixed bait for every 20min, feeds 3 times altogether, mixed bait
Feed artemia after feeding, artemia inventory is 0.2-0.4/ml, and when 41 age in days feeds mixed bait 0.1g/m every time3,
It doubling within mixed bait feeding volume every 2 days during domestication, increase continues 10 days altogether, after the completion of taming work, daily morning and afternoon
Each to carry out bait feeding twice, each feeding volume is 10-12g/m3Interval 20min is fed, mixed bait is fed after feeding
Artemia, artemia inventory are 0.2-0.4/ml.
Preferably, during bait feeding, after 55 ages in days, mixed bait is only fed, daily morning and afternoon respectively feeds once, throws
The amount of feeding is 20-30g/m3。
Preferably, the water changing method after bait throwing in water quality management uses net cage siphonage, pays attention to stirring water when drawing water,
In order to avoid fry is sticked on the net with water level decreasing；It when adding water, is covered with cotton net bag in tube head, play the role of filtering and reduces water flow.
Preferably, further include inhaling bottom in water quality management after bait throwing in, inhale bottom and suitably carry out as the case may be, PVC sink one
Its suction bottom, 3-5 days suction bottoms of cement pit are primary, avoid that excessive good seedling is sucked out when inhaling bottom.
Preferably, it inhales bottom and uses siphonage, bottom rake is inhaled in level dragging, so that bottom of pond foul is arranged from a sucking by other end
Out.
It preferably, further include microscopy in water quality management after bait throwing in, it is primary to do microscopy every 3-5 days, and performs record.
The beneficial effects of the present invention are: in the field of business, the research for this fish with Important Economic value of beshow
Still belong to blank, the research of the reproductive biology, artificial breeding and aquaculture of beshow etc. is not carried out, therefore this Shen
It please propose a kind of artificial seed's method for culturing seedlings of beshow, the larvae cultivation for the beshow that it can successfully bring out artificial breeding
To adult fish, this is a kind of seedling-raising technique that fry quality can be improved and guarantee survival rate, and can smoothly realize batch production
Production, provides theoretical foundation and technical support for the large-scale farming of beshow.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
A kind of artificial seed's breeding method of beshow, including before bait throwing in after culture, bait feeding, bait throwing in water quality management with
And seed density domination after bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 14-16 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and illumination controls as 500-1000lx, cultivation
The salinity of water body is 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density
Breeding is simultaneously cultivated, and does not launch bait to prelarva, is only filled the water daily into Cultivation container, and water injection rate is former water body volume
30%；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 days
After age, while artemia and mixed bait are fed to prelarva, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait
Make；After 55 ages in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 10000-20000 tail/m3Density breeding support
It grows, when seed a length of 2-5cm, according to 1000-2000 tail/m3Density breeding cultivation.
Preferably, during bait feeding, during 8-20 age in days, feed wheel animalcule daily twice, inventory be 8-9/
ml。
Preferably, during bait feeding, during 21-40 age in days, morning and afternoon is respectively fed once, and wheel is first fed when feeding
Worm feeds artemia after being spaced 0.5-1h again, and wheel animalcule inventory is 5/ml, and artemia feeding volume is 0.1/ml.
Preferably, during bait feeding, the domestication work of live food, daily morning and afternoon are carried out during 41-50 age in days
The step of each primary domestication work of progress, domestication work, feeds a mixed bait for every 20min, feeds 3 times altogether, mixed bait
Feed artemia after feeding, artemia inventory is 0.2-0.4/ml, and when 41 age in days feeds mixed bait 0.1g/m every time3,
It doubling within mixed bait feeding volume every 2 days during domestication, increase continues 10 days altogether, after the completion of taming work, daily morning and afternoon
Each to carry out bait feeding twice, each feeding volume is 10-12g/m3Interval 20min is fed, mixed bait is fed after feeding
Artemia, artemia inventory are 0.2-0.4/ml.
Preferably, during bait feeding, after 55 ages in days, daily morning and afternoon is respectively fed once, and mixed bait feeding volume is
20-30g/m3。
Preferably, the water changing method after bait throwing in water quality management uses net cage siphonage, pays attention to stirring water when drawing water,
In order to avoid fry is sticked on the net with water level decreasing；It when adding water, is covered with cotton net bag in tube head, play the role of filtering and reduces water flow.
Preferably, further include inhaling bottom in water quality management after bait throwing in, inhale bottom and suitably carry out as the case may be, PVC sink one
Its suction bottom, 3-5 days suction bottoms of cement pit are primary, avoid that excessive good seedling is sucked out when inhaling bottom.
Preferably, it inhales bottom and uses siphonage, bottom rake is inhaled in level dragging, so that bottom of pond foul is arranged from a sucking by other end
Out.
It preferably, further include microscopy in water quality management after bait throwing in, it is primary to do microscopy every 3-5 days, and performs record.
For beshow, this research of fish with Important Economic value still belongs to blank in the industry at present, for beshow
The research of reproductive biology, artificial breeding and aquaculture etc. do not carry out, therefore the application proposes a kind of beshow
Artificial seed's method for culturing seedlings, it can be successfully by the larvae cultivation of the beshow at artificial breeding to adult fish, this is that one kind can
It to improve fry quality and guarantee the seedling-raising technique of survival rate, and can smoothly realize the factorial production, be the big of beshow
Breeding scale provides theoretical foundation and technical support.
Embodiment one
A kind of artificial seed's breeding method of beshow, including before bait throwing in after culture, bait feeding, bait throwing in water quality management with
And seed density domination after bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 14 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and it is 500lx that illumination, which controls, cultivates the salt of water body
Degree is 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density
Breeding is simultaneously cultivated, and does not launch bait to prelarva, is only filled the water daily into Cultivation container, and water injection rate is former water body volume
30%；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 days
After age, while artemia and mixed bait are fed to prelarva, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait
Make；After 55 ages in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 10000 tails/m3Density breeding cultivation, seed
When a length of 2-5cm, according to 1000 tails/m3Density breeding cultivation.
Preferably, during bait feeding, during 8-20 age in days, wheel animalcule is fed daily twice, and inventory is 8/ml.
Preferably, during bait feeding, during 21-40 age in days, morning and afternoon is respectively fed once, and wheel is first fed when feeding
Worm feeds artemia after being spaced 0.5h again, and wheel animalcule inventory is 5/ml, and artemia feeding volume is 0.1/ml.
Preferably, during bait feeding, the domestication work of live food, daily morning and afternoon are carried out during 41-50 age in days
The step of each primary domestication work of progress, domestication work, feeds a mixed bait for every 20min, feeds 3 times altogether, mixed bait
Feed artemia after feeding, artemia inventory is 0.2/ml, and when 41 age in days feeds mixed bait 0.1g/m every time3, domestication
Double within period mixed bait feeding volume every 2 days, increase continue 10 days altogether, tame work after the completion of, daily morning and afternoon respectively into
Bait feeding, each feeding volume are 10g/m to row twice3Interval 20min is fed, mixed bait feeds artemia, halogen after feeding
Worm inventory is 0.2/ml.
Preferably, during bait feeding, after 55 ages in days, daily morning and afternoon is respectively fed once, and mixed bait feeding volume is
20g/m3。
Preferably, the water changing method after bait throwing in water quality management uses net cage siphonage, pays attention to stirring water when drawing water,
In order to avoid fry is sticked on the net with water level decreasing；It when adding water, is covered with cotton net bag in tube head, play the role of filtering and reduces water flow.
Preferably, further include inhaling bottom in water quality management after bait throwing in, inhale bottom and suitably carry out as the case may be, PVC sink one
Its suction bottom, 3 days suction bottoms of cement pit are primary, avoid that excessive good seedling is sucked out when inhaling bottom.
Preferably, it inhales bottom and uses siphonage, bottom rake is inhaled in level dragging, so that bottom of pond foul is arranged from a sucking by other end
Out.
It preferably, further include microscopy in water quality management after bait throwing in, it is primary to do microscopy every 3 days, and performs record.
Embodiment two
A kind of artificial seed's breeding method of beshow, including before bait throwing in after culture, bait feeding, bait throwing in water quality management with
And seed density domination after bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 16 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and it is 1000lx that illumination, which controls, cultivates water body
Salinity is 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density
Breeding is simultaneously cultivated, and does not launch bait to prelarva, is only filled the water daily into Cultivation container, and water injection rate is former water body volume
30%；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 days
After age, while artemia and mixed bait are fed to prelarva, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait
Make；After 55 ages in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 20000 tails/m3Density breeding cultivation, seed
When a length of 2-5cm, according to 2000 tails/m3Density breeding cultivation.
Preferably, during bait feeding, during 8-20 age in days, wheel animalcule is fed daily twice, and inventory is 9/ml.
Preferably, during bait feeding, during 21-40 age in days, morning and afternoon is respectively fed once, and wheel is first fed when feeding
Worm feeds artemia after being spaced 1h again, and wheel animalcule inventory is 5/ml, and artemia feeding volume is 0.1/ml.
Preferably, during bait feeding, the domestication work of live food, daily morning and afternoon are carried out during 41-50 age in days
The step of each primary domestication work of progress, domestication work, feeds a mixed bait for every 20min, feeds 3 times altogether, mixed bait
Feed artemia after feeding, artemia inventory is 0.4/ml, and when 41 age in days feeds mixed bait 0.1g/m every time3, domestication
Double within period mixed bait feeding volume every 2 days, increase continue 10 days altogether, tame work after the completion of, daily morning and afternoon respectively into
Bait feeding, each feeding volume are 12g/m to row twice3Interval 20min is fed, mixed bait feeds artemia, halogen after feeding
Worm inventory is 0.4/ml.
Preferably, during bait feeding, after 55 ages in days, daily morning and afternoon is respectively fed once, and mixed bait feeding volume is
30g/m3。
Preferably, the water changing method after bait throwing in water quality management uses net cage siphonage, pays attention to stirring water when drawing water,
In order to avoid fry is sticked on the net with water level decreasing；It when adding water, is covered with cotton net bag in tube head, play the role of filtering and reduces water flow.
Preferably, further include inhaling bottom in water quality management after bait throwing in, inhale bottom and suitably carry out as the case may be, PVC sink one
Its suction bottom, 5 days suction bottoms of cement pit are primary, avoid that excessive good seedling is sucked out when inhaling bottom.
Preferably, it inhales bottom and uses siphonage, bottom rake is inhaled in level dragging, so that bottom of pond foul is arranged from a sucking by other end
Out.
It preferably, further include microscopy in water quality management after bait throwing in, it is primary to do microscopy every 5 days, and performs record.
Embodiment three
A kind of artificial seed's breeding method of beshow, including before bait throwing in after culture, bait feeding, bait throwing in water quality management with
And seed density domination after bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 15 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and it is 800lx that illumination, which controls, cultivates the salt of water body
Degree is 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density
Breeding is simultaneously cultivated, and does not launch bait to prelarva, is only filled the water daily into Cultivation container, and water injection rate is former water body volume
30%；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 days
After age, while artemia and mixed bait are fed to prelarva, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait
Make；After 55 ages in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 15000 tails/m3Density breeding cultivation, seed
When a length of 2-5cm, according to 1000 tails/m3Density breeding cultivation.
Preferably, during bait feeding, during 8-20 age in days, wheel animalcule is fed daily twice, and inventory is 8/ml.
Preferably, during bait feeding, during 21-40 age in days, morning and afternoon is respectively fed once, and wheel is first fed when feeding
Worm feeds artemia after being spaced 0.7h again, and wheel animalcule inventory is 5/ml, and artemia feeding volume is 0.1/ml.
Preferably, during bait feeding, the domestication work of live food, daily morning and afternoon are carried out during 41-50 age in days
The step of each primary domestication work of progress, domestication work, feeds a mixed bait for every 20min, feeds 3 times altogether, mixed bait
Feed artemia after feeding, artemia inventory is 0.3/ml, and when 41 age in days feeds mixed bait 0.1g/m every time3, domestication
Double within period mixed bait feeding volume every 2 days, increase continue 10 days altogether, tame work after the completion of, daily morning and afternoon respectively into
Bait feeding, each feeding volume are 11g/m to row twice3Interval 20min is fed, mixed bait feeds artemia, halogen after feeding
Worm inventory is 0.3/ml.
Preferably, during bait feeding, after 55 ages in days, daily morning and afternoon is respectively fed once, and mixed bait feeding volume is
25g/m3。
Preferably, the water changing method after bait throwing in water quality management uses net cage siphonage, pays attention to stirring water when drawing water,
In order to avoid fry is sticked on the net with water level decreasing；It when adding water, is covered with cotton net bag in tube head, play the role of filtering and reduces water flow.
Preferably, further include inhaling bottom in water quality management after bait throwing in, inhale bottom and suitably carry out as the case may be, PVC sink one
Its suction bottom, 4 days suction bottoms of cement pit are primary, avoid that excessive good seedling is sucked out when inhaling bottom.
Preferably, it inhales bottom and uses siphonage, bottom rake is inhaled in level dragging, so that bottom of pond foul is arranged from a sucking by other end
Out.
It preferably, further include microscopy in water quality management after bait throwing in, it is primary to do microscopy every 4 days, and performs record.
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that the present invention implements not by upper
The limitation of mode is stated, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved straight
It scoops out for other occasions, it is within the scope of the present invention.
Claims (9)
1. a kind of artificial seed's breeding method of beshow, which is characterized in that after culture, bait feeding, bait throwing in front of bait throwing in
Seed density domination after water quality management and bait throwing in, the specific method is as follows:
(1) it is cultivated before bait throwing in:
It is 14-16 DEG C that the water temperature cultivated before bait throwing in and after bait throwing in, which controls, and illumination controls as 500-1000lx, cultivation water body
Salinity be 34%；
It is 1-7 days after newly hatched larvae emergence during being cultivated before the bait throwing in, during this period according to 20000 tails/m3Density breeding simultaneously
It is cultivated, and does not launch bait to prelarva, only filled the water daily into Cultivation container, water injection rate is the 30% of former water body volume；
Wherein culture is the nurturing period after 8 ages in days after bait throwing in；
(2) bait feeding:
During 8-20 age in days, wheel animalcule only is fed to prelarva；21-40 age in days, while wheel animalcule and artemia are fed to prelarva；40 ages in days it
Afterwards, while to prelarva artemia and mixed bait are fed, prelarva is carried out since 41 ages in days and is ingested the domestication work of mixed bait；55
After age in days, mixed bait is only fed；
(3) water quality management after bait throwing in:
Start to change water after bait throwing in, when changing water, draw water before bait throwing in, water before drawing water is added water to after bait throwing in；
(4) seed density domination after bait throwing in:
During being cultivated after bait throwing in, when seed a length of 1-1.5cm, according to 10000-20000 tail/m3Density breeding cultivation, seed
When a length of 2-5cm, according to 1000-2000 tail/m3Density breeding cultivation.
2. artificial seed's breeding method of beshow according to claim 1, which is characterized in that during bait feeding,
During 8-20 age in days, wheel animalcule is fed daily twice, and inventory is 8-9/ml.
3. artificial seed's breeding method of beshow according to claim 1, which is characterized in that during bait feeding,
During 21-40 age in days, morning and afternoon is respectively fed once, and wheel animalcule is first fed when feeding, and feeds artemia again after being spaced 0.5-1h, wheel animalcule is thrown
Doses is 5/ml, and artemia feeding volume is 0.1/ml.
4. artificial seed's breeding method of beshow according to claim 1, which is characterized in that during bait feeding,
The domestication work of live food is carried out during 41-50 age in days, daily morning and afternoon respectively carries out once taming work, tames the step of work
Suddenly a mixed bait is fed for every 20min, fed altogether 3 times, mixed bait feeds artemia after feeding, artemia inventory is
0.2-0.4/ml, when 41 age in days, feed mixed bait 0.1g/m every time3, increase within mixed bait feeding volume every 2 days during domestication
One times, increase continues 10 days altogether, and after the completion of taming work, daily morning and afternoon respectively carries out bait feeding twice, and each feeding volume is
10-12g/m3Interval 20min is fed, mixed bait feeds artemia after feeding, artemia inventory is 0.2-0.4/ml.
5. artificial seed's breeding method of beshow according to claim 1, which is characterized in that during bait feeding,
After 55 ages in days, daily morning and afternoon is respectively fed once, and mixed bait feeding volume is 20-30g/m3。
6. artificial seed's breeding method of beshow according to claim 1, which is characterized in that after bait throwing in water quality management
Water changing method use net cage siphonage, pay attention to stirring water when drawing water, in order to avoid fry is sticked on the net with water level decreasing；Add water
When, it is covered with cotton net bag in tube head, plays the role of filtering and reduce water flow.
7. artificial seed's breeding method of beshow according to claim 1, which is characterized in that after bait throwing in water quality management
Further include inhaling bottom, inhale bottom and suitably carry out as the case may be, one day one suction bottom of PVC sink, 3-5 days suction bottoms of cement pit are primary, inhale
It avoids that excessive good seedling is sucked out when bottom.
8. artificial seed's breeding method of beshow according to claim 7, which is characterized in that it inhales bottom and uses siphonage,
Bottom rake is inhaled in level dragging, so that bottom of pond foul is discharged from a sucking by other end.
9. artificial seed's breeding method of beshow according to claim 1, which is characterized in that after bait throwing in water quality management
It further include microscopy, it is primary to do microscopy every 3-5 days, and performs record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US8938908B2 (en) * | 2008-02-28 | 2015-01-27 | College Of William And Mary | Fishing gear with degradable component |
| CN104872028A (en) * | 2015-06-08 | 2015-09-02 | 中国水产科学研究院黄海水产研究所 | Ecological method for rearing fry of sablefish |
| CN104885979A (en) * | 2015-06-02 | 2015-09-09 | 大连海洋大学 | Artificial fry rearing method for gadus macrocephalus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8938908B2 (en) * | 2008-02-28 | 2015-01-27 | College Of William And Mary | Fishing gear with degradable component |
| CN104885979A (en) * | 2015-06-02 | 2015-09-09 | 大连海洋大学 | Artificial fry rearing method for gadus macrocephalus |
| CN104872028A (en) * | 2015-06-08 | 2015-09-02 | 中国水产科学研究院黄海水产研究所 | Ecological method for rearing fry of sablefish |
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