CN105830980B - A kind of method of staged cultivation grass carp - Google Patents
A kind of method of staged cultivation grass carp Download PDFInfo
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- CN105830980B CN105830980B CN201610246239.6A CN201610246239A CN105830980B CN 105830980 B CN105830980 B CN 105830980B CN 201610246239 A CN201610246239 A CN 201610246239A CN 105830980 B CN105830980 B CN 105830980B
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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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- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- 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
-
- 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
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
The invention discloses a kind of staged cultivate grass carp method, the specific steps are：(1) fishpond is built：Select mountain area mountain stream streams side, topography is 3 5m in staged and drop, several level-one cultivation fish ponds are built in highest point, several two level cultivation fish ponds are built again in next staircase areas of level-one cultivation fish pond, it is connected by drainage between level-one cultivation fish pond and two level cultivation fish pond, the suction side of drainage is set in level-one cultivation fish pond, the discharge ends of drainage are connected to two level cultivation fish pond, multi-class culture fishpond is successively set successively, and is connected by drainage between adjacent cultivation fish pond；(2) fry is put；(3) feeding and daily management.The present invention ingenious can be cultivated using hillside fields staged, using nature selenium-rich water resource is drained from high mountain, keep oxygen-containing, selenium amount in cultivation fish pond so that grass carp is physical strong, and fat is less, mouthfeel is fresh and crisp, and growth cycle is short, and yield is high.
Description
【Technical field】
The present invention relates to cultivation field, more particularly to a kind of method of staged cultivation grass carp.
【Background technology】
Grass carp, also known as " grass carp " (Ctenopharyngodon idellus), the cultural method of common grass carp is fairly simple,
There are many introductions in the cultural method of fish, for grass carp because feeding habits are simple, feed source is extensive, and grows rapid, yield height, often quilt
Object is put in a suitable place to breed as pond culture and lake, reservoir, the main of river, and the flesh of fish of the grass carp cultivated out is soft.
Grass carp generally likes perch in the waters such as rivers, lake, lower layer and the more water plant regions of offshore.With river and lake migration
Habit, sexually matured individual lays eggs in the flowing water such as rivers, reservoir, and the parent population and juvenile fish after oviposition enter tributary and Tong Jianghu
In pool, usually ingest fattening by the shoal meadow of water submerged and flashing region and the attached water body of Heavenly Stems and Earthly Branches stream.Winter is then dry
It is overwintering at stream or the deep water in lake.Grass carp disposition is active, and swimming is rapid, often hunts in packs, and property is voracious, is typical phytophage fish
Class.Its fry stage is ingested zooplankter, and young stage and food insect, earthworm, algae and duckweed etc., body grows about 10 centimetres or more
When, aquatic higher plants of ingesting completely, wherein being especially more with grass.The floristics of Feeding in Grass Carp is with living environment
In food basis situation and be varied from.
Common grass carp cultural method has been mature on the whole perfect, there is an intensive culture technologies such as net cage, pond, reservoir, stocking model,
Feeding technology, feed formula are also varied, and yield constantly refreshes, and cultural technique is continuously improved, but is to improve yield
Purpose.And the product propagated artificially is compared with the product grown naturally, the disadvantage is that the more, poor taste of fat, delicate flavour reduction, product wind
Taste is delicious not as good as nature growth.With the improvement of people ' s living standards with the enhancing of health perception, the quality of aquatic products is wanted
Ask higher and higher.
【Invention content】
In view of the above problems, the present invention provides a kind of method of staged cultivation grass carp, can cleverly utilize hillside fields
Staged cultivates, and also utilizes the drainage nature selenium-rich water resource from high mountain that need not change water using the defluent physical condition of water
It is additional to increase pumping unit, additionally it is possible to so that the water in cultivation fish pond flows always, to keep oxygen content and selenium-rich in cultivation fish pond
Amount is conducive to increase grass carp mobility so that the grass carp of growth is physical strong, and fat is less, mouthfeel is fresh and crisp, and growth cycle
It is short, survival rate is improved, to increase yield.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A kind of method of staged cultivation grass carp, including step in detail below：
(1) fishpond is built：Select that topography is wide, the positive abundant mountain area mountain stream streams side of light, topography is fallen in staged and topography
Difference is 3-5m, several level-one cultivation fish ponds is built in highest point, if next staircase areas in level-one cultivation fish pond is built again
Dry two level cultivation fish pond, is connected between the level-one cultivation fish pond and two level cultivation fish pond by drainage, blowdown system
The suction side of system is set in level-one cultivation fish pond, and the discharge ends of drainage are connected to two level cultivation fish pond, successively it is progressive by
Layer setting multi-class culture fishpond, and be connected by drainage between adjacent cultivation fish pond, the level-one cultivation fish pond
Specification with two level cultivation fish pond is long 6-8m, wide 4-5m, high 0.5-0.8m；The surrounding of cultivation fish pond and the brick wall in bottom
Then it carries out disinfection, then at the inner wall of cultivation fish pond one layer of fishing net of adherent placement, is finally laid with 5-8cm's in cultivation fish pond bottom
Middle sand；
(2) fry is put：Drainage is opened, mountain area mountain stream streams is drained by water channel then and cultivates fish into level-one
Pond, when the water level of level-one cultivation fish pond is the 4/5 of fishpond height, you can launch fry, select physical strong, the apparent disease of nothing
The strong fry of shape, strength of moving is launched, and the average size of every fry is 3g/ items, stocking rate be 60-80 items/square metre；
When mountain area mountain stream streams is emitted into two level cultivation fish pond from level-one cultivation fish pond by drainage, and in two level cultivation fish pond
When water level is the 4/5 of fishpond height, start to launch fry；It is progressive successively successively to launch fry；
(3) feeding and daily management：The mixed fodder A that grain size is 0.01-0.03 millimeters is launched in the last week of cultivation, often
1kg is launched in pond, daily to launch 2 times；Latter two month launches the mixed fodder B that grain size is 3-8 millimeters, and 3kg is launched per pond, daily to throw
It puts 2 times；Hereafter the mixed fodder C that grain size is 1-3 centimetres is launched, 4-5kg is launched per pond, it is daily to launch 3 times；Fry is patrolled after putting in a suitable place to breed
Depending on 2-3 times/day of fishpond, whether observation fish body active state is abnormal, whether ingest normal, blocked into discharge outlet；
The mixed fodder A is according to weight fraction ratio meter, by 15-20 parts of herbage, 3-5 parts of cassava leaves, and 1-2 parts of wheat bran, greatly
1-2 parts of garlic, 1-2 parts of 1-2 parts of peanut and Radix Astragali crush respectively, after crossing 450-1000 mesh sieve, are uniformly mixed；
The mixed fodder B is according to weight fraction ratio meter, by 20-30 parts of herbage, 2-3 parts of cassava leaves, and 1-2 parts of wheat bran, greatly
1-2 parts of 1-2 parts of garlic and peanut crush respectively, after crossing 2-7 mesh sieve, dissipate and are uniformly mixed with 1-2 parts of liver and gall Li Kang；
The mixed fodder C crushes 2-3 parts of 20-30 parts of herbage and cassava leaves, mistake respectively according to weight fraction ratio meter
100-200 mesh sieve after dry, then with 1-2 part of three bloom, 3-5 parts of adhesive be sufficiently mixed be processed into grain size for 1-3cm
Grain.
In the present invention, further instruction, the drainage are inverted U-shaped structure；Described inverted U one end is water suction
End, the other end is discharge ends；Suction side is set in level-one cultivation fish pond, and discharge ends are connected to two level cultivation fish pond；The suction
Bottom 5-8cm of the water end (W.E.) apart from cultivation fish pond；The position of the discharge ends is less than the position of suction side.
In the present invention, further instruction is connected and installed with water-main between the suction side and discharge ends；It is described total
Safe flow control valve is provided between water pipe and discharge ends.
In the present invention, further instruction is also equipped with the pipe that drains off floodwaters, the opening of the pipe that drains off floodwaters in the cultivation fish pond
End is higher 3-5cm than inverted U top, and opening upwards；The other end of the pipe that drains off floodwaters is connected to water-main.
In the present invention, further instruction, the drainage further include sedimentation basin；The sedimentation basin is arranged in described
Discharge ends draining flows to side, and below the discharge ends.
In the present invention, further instruction, the fishing net are made of stainless steel wire rope.
The invention has the advantages that：
1, the present invention can cleverly utilize the staged in hillside fields to cultivate, and also utilize and drain nature selenium-rich water money from high mountain
Source need not change water and additionally increase pumping unit using the defluent physical condition of water, additionally it is possible to so that the water in cultivation fish pond begins
Flowing eventually keeps the oxygen content in cultivation fish pond and selenium-rich amount, is conducive to increase grass carp mobility so that the grass carp constitution of growth
Stalwartness, fat is less, mouthfeel is fresh and crisp, and growth cycle is short, improves survival rate, to increase yield.
2, water in cultivation fish pond is introduced in the present invention using drainage the cultivation fish pond of next stage, draining system step by step
System is the structure of inverted U, and suction side can not only drain the water of upper level cultivation fish pond in the cultivation fish pond of next stage, also
Fishpond end portion can be located at by suction side to arrange grass carp excrement into next stage cultivation fish pond together, wherein water into
The water for flowing to next stage cultivation fish pond is controlled, water is adjusted by water-main, the safe flow control valve of water-main opening after entering suction side
Position, then next stage cultivation fish pond is introduced the water by discharge ends, while being set below the discharge ends that discharge ends draining flows to side
It is equipped with sedimentation basin, fish excrement can be precipitated, purified water so that the oxygen content in water is higher, and it is good to be conducive to Growth of Grass Carps Ctenopharyngodon Idellus process
It is dynamic, so that the grass carp of harvest is physical strong, it is fatty less.
3, the present invention is provided with fishing net in fishpond inner wall, and is made of stainless steel wire rope using fishing net, can be used for a long time,
It is convenient to salvage grass carp in the harvest time, the amount of labour is reduced, cost is reduced.
4, the present invention is also equipped with the pipe that drains off floodwaters in cultivation fish pond, when the water level in cultivation fish pond exceeds the top of U-shaped structure
Portion tunes up the Safety control valve of water-main, and alleviation water level is excessively high, if having little time, when open end of the water level more than the pipe that drains off floodwaters, and water
To directly water-main be entered from the open end for the pipe that drains off floodwaters, flows to discharge ends, be discharged into the cultivation fish pond of next stage, prevent water level mistake
Height, grass carp runs out of fishpond or grass carp, and disorderly spring daps in alarm, hinders to fish scale or head etc., causes unnecessary loss.
5, the feed that the present invention uses, based on herbage, wherein herbage is the present inventor Xingye County rivers Kui Fengshuan ecosystem
Grass carp farm nearby principle is planted on industrial certain herbaceous plants with big flowers peak mountain, and the water quoted on certain herbaceous plants with big flowers peak mountain is irrigated, and what is harvested herds
Grass is " herding No.1 in osmanthus ", and the unit detection of " herding No.1 in osmanthus " Jing Guo national authentication is rich in trace elements of selenium, uses " Gui Muyi
Number " it is used as main material so that it is full of nutrition in feed, it is fed to grass carp so that grass carp is fresh and crisp；In the different growing stages of grass carp
Between the feed that matches of adapted different structure, not only can guarantee that nutrition can also prevent grass carp disease, reduce sick rate, moreover it is possible to which raising is deposited
Motility rate.
【Specific implementation mode】
Embodiment 1：
A kind of method of staged cultivation grass carp, including step in detail below：
(1) fishpond is built：Select that topography is wide, the positive abundant mountain area mountain stream streams side of light, topography is fallen in staged and topography
Difference is 3m, builds several level-one cultivation fish ponds in highest point, is built again in next staircase areas of level-one cultivation fish pond several
A two level cultivation fish pond is connected between the level-one cultivation fish pond and two level cultivation fish pond by drainage, drainage
For inverted U-shaped structure, inverted U one end is that suction side is set in level-one cultivation fish pond, and the other end is connected to two level for discharge ends and supports
Grow fishpond, bottom 5cm of the suction side apart from cultivation fish pond；The position of discharge ends is less than the position of suction side, suction side and draining
Water-main is connected and installed between end；Safe flow control valve is provided between water-main and discharge ends；It also drains and flows in discharge ends
Side is equipped with sedimentation basin, and sedimentation basin is located at below discharge ends；The pipe that drains off floodwaters is also equipped in cultivation fish pond, the pipe that drains off floodwaters is opened
Mouth end is higher 3cm than inverted U top, and opening upwards；The other end of pipe of drainning off floodwaters is connected to water-main；Progressive successively setting is more successively
Grade cultivation fish pond, and be connected by drainage between adjacent cultivation fish pond, level-one cultivation fish pond cultivates fish with two level
The specification in pond is long 6m, wide 4m, high 0.5m；Then the surrounding of cultivation fish pond carries out disinfection with the brick wall in bottom, then at foster
Inner wall one layer of fishing net made of stainless steel wire rope of adherent placement in fishpond is grown, is finally laid in 5cm in cultivation fish pond bottom
Sand；
(2) fry is put：Drainage is opened, mountain area mountain stream streams is drained by water channel then and cultivates fish into level-one
Pond, when the water level of level-one cultivation fish pond is the 4/5 of fishpond height, you can launch fry, select physical strong, the apparent disease of nothing
The strong fry of shape, strength of moving is launched, and the average size of every fry is 3g/ items, and stocking rate is 60/square metre；When
Mountain area mountain stream streams is emitted into two level cultivation fish pond, and the water in two level cultivation fish pond from level-one cultivation fish pond by drainage
When position is the 4/5 of fishpond height, start to launch fry；It is progressive successively successively to launch fry；
(3) feeding and daily management：The mixed fodder A that grain size is 0.01 millimeter is launched in the last week of cultivation, is thrown per pond
1kg is put, it is daily to launch 2 times；Latter two month launches the mixed fodder B that grain size is 3 millimeters, and 3kg is launched per pond, daily to launch 2 times；
Hereafter the mixed fodder C that grain size is 1 centimetre is launched, 4kg is launched per pond, it is daily to launch 3 times；Fry maked an inspection tour after putting in a suitable place to breed fishpond 2 times/
It, whether observation fish body active state is abnormal, whether ingest normal, blocked into discharge outlet；
Wherein, mixed fodder A is according to weight fraction ratio meter, by 15 parts of herbage, 3 parts of cassava leaves, and 1 part of wheat bran, 1 part of garlic,
1 part of 1 part of peanut and Radix Astragali crush respectively, after crossing 1000 mesh sieve, are uniformly mixed；
Wherein, mixed fodder B is according to weight fraction ratio meter, by 20 parts of herbage, 2 parts of cassava leaves, 1 part of wheat bran, 1 part of garlic and
1 part of peanut crushes respectively, after crossing 7 mesh sieve, dissipates and is uniformly mixed with 1 part of liver and gall Li Kang；
Wherein, mixed fodder C crushes 2 parts of 20 parts of herbage and cassava leaves according to weight fraction ratio meter respectively, crosses 200 mesh
Dried after sieve, then with 2 parts of three bloom, 5 parts of adhesive be sufficiently mixed be processed into grain size be 3cm particle.
Embodiment 2：
A kind of method of staged cultivation grass carp, including step in detail below：
(1) fishpond is built：Select that topography is wide, the positive abundant mountain area mountain stream streams side of light, topography is fallen in staged and topography
Difference is 5m, builds several level-one cultivation fish ponds in highest point, is built again in next staircase areas of level-one cultivation fish pond several
It is connected by drainage between a two level cultivation fish pond, wherein level-one cultivation fish pond and two level cultivation fish pond, drainage
For inverted U-shaped structure, inverted U one end is that suction side is set in level-one cultivation fish pond, and the other end is connected to two level for discharge ends and supports
Grow fishpond, bottom 8cm of the suction side apart from cultivation fish pond；The position of discharge ends is less than the position of suction side, suction side and draining
Water-main is connected and installed between end；Safe flow control valve is provided between water-main and discharge ends；It also drains and flows in discharge ends
Side is equipped with sedimentation basin, and sedimentation basin is located at below discharge ends；The pipe that drains off floodwaters is also equipped in cultivation fish pond, the pipe that drains off floodwaters is opened
Mouth end is higher 5cm than inverted U top, and opening upwards；The other end of pipe of drainning off floodwaters is connected to water-main；Progressive successively setting is more successively
Grade cultivation fish pond, and be connected by drainage between adjacent cultivation fish pond, level-one cultivation fish pond cultivates fish with two level
The specification in pond is long 8m, wide 5m, high 0.8m；Then the surrounding of cultivation fish pond carries out disinfection with the brick wall in bottom, then at foster
Inner wall one layer of fishing net made of stainless steel wire rope of adherent placement in fishpond is grown, is finally laid in 8cm in cultivation fish pond bottom
Sand；
(2) fry is put：Drainage is opened, mountain area mountain stream streams is drained by water channel then and cultivates fish into level-one
Pond, when the water level of level-one cultivation fish pond is the 4/5 of fishpond height, you can launch fry, select physical strong, the apparent disease of nothing
The strong fry of shape, strength of moving is launched, and the average size of every fry is 3g/ items, and stocking rate is 80/square metre；When
Mountain area mountain stream streams is emitted into two level cultivation fish pond, and the water in two level cultivation fish pond from level-one cultivation fish pond by drainage
When position is the 4/5 of fishpond height, start to launch fry；It is progressive successively successively to launch fry；
(3) feeding and daily management：The mixed fodder A that grain size is 0.03 millimeter is launched in the last week of cultivation, is thrown per pond
1kg is put, it is daily to launch 2 times；Latter two month launches the mixed fodder B that grain size is 8 millimeters, and 3kg is launched per pond, daily to launch 2 times；
Hereafter the mixed fodder C that grain size is 3 centimetres is launched, 5kg is launched per pond, it is daily to launch 3 times；Fry maked an inspection tour after putting in a suitable place to breed fishpond 3 times/
It, whether observation fish body active state is abnormal, whether ingest normal, blocked into discharge outlet；
Wherein, mixed fodder A is according to weight fraction ratio meter, by 20 parts of herbage, 5 parts of cassava leaves, and 2 parts of wheat bran, 2 parts of garlic,
2 parts of 2 parts of peanut and Radix Astragali crush respectively, after crossing 450 mesh sieve, are uniformly mixed；
Wherein, mixed fodder B is according to weight fraction ratio meter, by 30 parts of herbage, 3 parts of cassava leaves, 2 parts of wheat bran, 2 parts of garlic and
2 parts of peanut crushes respectively, after crossing 2 mesh sieve, dissipates and is uniformly mixed with 2 parts of liver and gall Li Kang；
Wherein, mixed fodder C crushes 3 parts of 30 parts of herbage and cassava leaves according to weight fraction ratio meter respectively, crosses 100 mesh
Dried after sieve, then with 2 parts of three bloom, 5 parts of adhesive be sufficiently mixed be processed into grain size be 3cm particle.
Embodiment 3：
A kind of method of staged cultivation grass carp, including step in detail below：
(1) fishpond is built：Select that topography is wide, the positive abundant mountain area mountain stream streams side of light, topography is fallen in staged and topography
Difference is 4m, builds several level-one cultivation fish ponds in highest point, is built again in next staircase areas of level-one cultivation fish pond several
A two level cultivation fish pond is connected between the level-one cultivation fish pond and two level cultivation fish pond by drainage, drainage
For inverted U-shaped structure, inverted U one end is that suction side is set in level-one cultivation fish pond, and the other end is connected to two level for discharge ends and supports
Grow fishpond, bottom 6cm of the suction side apart from cultivation fish pond；The position of discharge ends is less than the position of suction side, suction side and draining
Water-main is connected and installed between end；Safe flow control valve is provided between water-main and discharge ends；It also drains and flows in discharge ends
Side is equipped with sedimentation basin, and sedimentation basin is located at below discharge ends；The pipe that drains off floodwaters is also equipped in cultivation fish pond, the pipe that drains off floodwaters is opened
Mouth end is higher 4cm than inverted U top, and opening upwards；The other end of pipe of drainning off floodwaters is connected to water-main；Progressive successively setting is more successively
Grade cultivation fish pond, and be connected by drainage between adjacent cultivation fish pond, level-one cultivation fish pond cultivates fish with two level
The specification in pond is long 5m, wide 4.5m, high 0.7m；Then the surrounding of cultivation fish pond carries out disinfection with the brick wall in bottom, then at
Inner wall one layer of fishing net made of stainless steel wire rope of adherent placement of cultivation fish pond is finally laid with 6cm's in cultivation fish pond bottom
Middle sand；
(2) fry is put：Drainage is opened, mountain area mountain stream streams is drained by water channel then and cultivates fish into level-one
Pond, when the water level of level-one cultivation fish pond is the 4/5 of fishpond height, you can launch fry, select physical strong, the apparent disease of nothing
The strong fry of shape, strength of moving is launched, and the average size of every fry is 3g/ items, and stocking rate is 70/square metre；When
Mountain area mountain stream streams is emitted into two level cultivation fish pond, and the water in two level cultivation fish pond from level-one cultivation fish pond by drainage
When position is the 4/5 of fishpond height, start to launch fry；It is progressive successively successively to launch fry；
(3) feeding and daily management：The mixed fodder A that grain size is 0.02 millimeter is launched in the last week of cultivation, is thrown per pond
1kg is put, it is daily to launch 2 times；Latter two month launches the mixed fodder B that grain size is 5 millimeters, and 3kg is launched per pond, daily to launch 2 times；
Hereafter the mixed fodder C that grain size is 2 centimetres is launched, 4.5kg is launched per pond, it is daily to launch 3 times；Fry makes an inspection tour fishpond 3 after putting in a suitable place to breed
Times/day, whether observation fish body active state is abnormal, whether ingest normal, blocked into discharge outlet；
Wherein, mixed fodder A is according to weight fraction ratio meter, by 18 parts of herbage, 4 parts of cassava leaves, 1.5 parts of wheat bran, garlic 1.5
Part, 1.5 parts of 1.5 parts of peanut and Radix Astragali crush respectively, after crossing 800 mesh sieve, are uniformly mixed；
Wherein, mixed fodder B is according to weight fraction ratio meter, by 25 parts of herbage, 2.5 parts of cassava leaves, 1.5 parts of wheat bran, garlic
1.5 parts crush respectively with 1.5 parts of peanut, after crossing 5 mesh sieve, dissipate and are uniformly mixed with 1.5 parts of liver and gall Li Kang；
Wherein, mixed fodder C crushes 2.5 parts of 25 parts of herbage and cassava leaves according to weight fraction ratio meter respectively, crosses 150
Mesh sieve after dry, then with 1.5 parts of three bloom, 4 parts of adhesive be sufficiently mixed be processed into grain size be 2cm particle.
The method that a kind of stageds of the embodiment of the present invention 1-3 cultivate grass carp is cultivated, is taken out at random when the harvesting time
Five grass carps progress average external volumes, fat contents are taken to measure, meat is observed, and the harvesting period is recorded with yield, specifically
It see the table below
Wherein control group is five grass carps purchased on the market.
The record case table of 1 present invention of table
By upper figure it is found that the grass carp cultivated using the cultural method of the present invention, the relatively conventional cultivation of the output value are obtained
Grass carp yield is at least higher by 20%；Although volume is suitable, the cultural method that this present invention is can be seen that from fat content is supported
The relatively conventional fat content low at least 66% for cultivating obtained grass carp of grass carp grown；Harvest the period also brief at least 7
A month.Total described, not only delicious meat is crisp for the grass carp cultivated using the cultural method of the present invention, consolidation is gone back, quite by big
Crowd likes that sales volume is good, high financial profit.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (6)
1. a kind of method of staged cultivation grass carp, which is characterized in that including step in detail below：
(1) fishpond is built：Select that topography is wide, the positive abundant mountain area mountain stream streams side of light, topography is in staged and topography drop
3-5m, several level-one cultivation fish ponds are built in highest point, several are built again in next staircase areas of level-one cultivation fish pond
Two level cultivation fish pond is connected between the level-one cultivation fish pond and two level cultivation fish pond by drainage, drainage
Suction side is set in level-one cultivation fish pond, and the discharge ends of drainage are connected to two level cultivation fish pond, progressive successively successively to set
Multi-class culture fishpond is set, and is connected by drainage between adjacent cultivation fish pond, the level-one cultivation fish pond and two
The specification of grade cultivation fish pond is long 6-8m, wide 4-5m, high 0.5-0.8m；The surrounding of cultivation fish pond and bottom with brick wall then
It carries out disinfection, then at the inner wall of cultivation fish pond one layer of fishing net of adherent placement, is finally laid in 5-8cm in cultivation fish pond bottom
Sand；
(2) fry is put：Drainage is opened, then drains mountain area mountain stream streams into level-one cultivation fish pond by water channel, when
The water level of level-one cultivation fish pond be fishpond height 4/5 when, you can launch fry, select it is physical strong, without apparent symptom, travelling
The strong fry of power is launched, and the average size of every fry is 3g/ items, stocking rate be 60-80 items/square metre；Work as mountain area
Mountain stream streams is emitted into two level cultivation fish pond from level-one cultivation fish pond by drainage, and the water level in two level cultivation fish pond is
Fishpond height 4/5 when, start launch fry；It is progressive successively successively to launch fry；
(3) feeding and daily management：The mixed fodder A that grain size is 0.01-0.03 millimeters is launched in the last week of cultivation, is thrown per pond
1kg is put, it is daily to launch 2 times；Latter two month launches the mixed fodder B that grain size is 3-8 millimeters, and 3kg is launched per pond, launches 2 daily
It is secondary；Hereafter the mixed fodder C that grain size is 1-3 centimetres is launched, 4-5kg is launched per pond, it is daily to launch 3 times；Fry is maked an inspection tour after putting in a suitable place to breed
2-3 times/day of fishpond, whether observation fish body active state is abnormal, whether ingest normal, blocked into discharge outlet；
The mixed fodder A is according to weight fraction ratio meter, by 15-20 parts of herbage, 3-5 parts of cassava leaves, 1-2 parts of wheat bran, garlic 1-2
Part, 1-2 parts of 1-2 parts of peanut and Radix Astragali crush respectively, after crossing 450-1000 mesh sieve, are uniformly mixed；
The mixed fodder B is according to weight fraction ratio meter, by 20-30 parts of herbage, 2-3 parts of cassava leaves, 1-2 parts of wheat bran, garlic 1-2
1-2 parts of part and peanut crush respectively, after crossing 2-7 mesh sieve, dissipate and are uniformly mixed with 1-2 parts of liver and gall Li Kang；
The mixed fodder C crushes 2-3 parts of 20-30 parts of herbage and cassava leaves according to weight fraction ratio meter respectively, crosses 100-
200 mesh sieve after dry, then with 1-2 part of three bloom, 3-5 parts of adhesive be sufficiently mixed be processed into grain size for 1-3cm particle i.e.
It can.
2. a kind of method of staged cultivation grass carp according to claim 1, which is characterized in that the drainage is to fall
U-shaped structure；Described inverted U one end is suction side, and the other end is discharge ends；Suction side is set in level-one cultivation fish pond, draining
End is connected to two level cultivation fish pond；Bottom 5-8cm of the suction side apart from cultivation fish pond；The position of the discharge ends is less than suction
The position of water end (W.E.).
3. a kind of method of staged cultivation grass carp according to claim 2, which is characterized in that the suction side and draining
It is also connected between end and water-main is installed；Safe flow control valve is provided between the water-main and discharge ends.
4. a kind of method of staged cultivation grass carp according to claim 3, which is characterized in that also installed in cultivation fish pond
There is the pipe that drains off floodwaters, the open end of the pipe that drains off floodwaters is higher 3-5cm than inverted U top, and opening upwards；The other end of the pipe that drains off floodwaters connects
It is connected to water-main.
5. a kind of method of staged cultivation grass carp according to claim 4, which is characterized in that the drainage is also wrapped
Include sedimentation basin；The draining that the sedimentation basin is arranged in the discharge ends flows to side, and positioned at the lower section of the discharge ends.
6. a kind of method of staged cultivation grass carp according to claim 1, which is characterized in that the fishing net is stainless steel
Cord is made.
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