CN108496855A - A kind of golden pomfret deep-water net cage culture method - Google Patents
A kind of golden pomfret deep-water net cage culture method Download PDFInfo
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- CN108496855A CN108496855A CN201810217233.5A CN201810217233A CN108496855A CN 108496855 A CN108496855 A CN 108496855A CN 201810217233 A CN201810217233 A CN 201810217233A CN 108496855 A CN108496855 A CN 108496855A
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- 241000630524 Taractes rubescens Species 0.000 title claims abstract description 170
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000012136 culture method Methods 0.000 title claims abstract description 22
- 238000009360 aquaculture Methods 0.000 claims abstract description 8
- 244000144974 aquaculture Species 0.000 claims abstract description 8
- 230000001835 salubrious effect Effects 0.000 claims abstract description 7
- 230000004083 survival effect Effects 0.000 claims abstract description 7
- 241000251468 Actinopterygii Species 0.000 claims description 28
- 241001274979 Selenotoca multifasciata Species 0.000 claims description 11
- 235000021050 feed intake Nutrition 0.000 claims description 9
- 230000000474 nursing effect Effects 0.000 claims description 7
- 238000011017 operating method Methods 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 241000196171 Hydrodictyon reticulatum Species 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000035611 feeding Effects 0.000 description 26
- 241000932075 Priacanthus hamrur Species 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000012364 cultivation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000037406 food intake Effects 0.000 description 2
- 235000012631 food intake Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 241000251464 Coelacanthiformes Species 0.000 description 1
- 241000276618 Perciformes Species 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- A01K61/10—Culture of aquatic animals of fish
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- 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
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of golden pomfret deep-water net cage culture methods, it is culture zone to select the sea that sea is tranquil, water quality is salubrious, deep water mesh cage is set in marine cultivation region, corresponding deep water mesh cage is fixedly mounted in aquaculture area, the inside of deep water mesh cage is installed by three layers of cultivation limitation net, deep water mesh cage is reinforced, the cultivation for carrying out golden pomfret is facilitated.The present invention limits net by cultivation can stop golden pomfret, prevent golden pomfret from dissociating in deep water mesh cage, play the limitation to golden pomfret, it improves and golden pomfret volume is protected, by the replacement for limiting net, increase flow rate, due to limiting the difference of net caliber size, deep water mesh cage water velocity is different, bore is bigger, water velocity is faster, water velocity is speeded, the growth of the larger golden pomfret of facilitate volume, make golden pomfret in deep water mesh cage as in ocean, to realize that golden pomfret deep-water net cage culture method survival rate is high, growth is fast, culture-cycle is short, risk is small, high financial profit.
Description
Technical field
The present invention relates to golden butterfish cultivation technical field, specially a kind of golden pomfret deep-water net cage culture method.
Background technology
The oval Chang Ajigasawa of golden pomfret scientific name, the yellow cured silvery pomfret of local title, golden silvery pomfret belong to Osteichthyes, Perciformes, Scad sections, silvery pomfret Scad categories.
The fish body is flat-sided, oval, and anal fin and the second dorsal fin are slightly equal, all significantly than abdomen be it is long.Rostral is flat, and caudal peduncle is thin, and body drapes over one's shoulders small
Cycloid scale is not easy to peel off.The flesh of fish is white, delicate, tasty, for one of coastal rare marine products economic fish in south.
Golden pomfret is water warm pelagic fishes, is inhabited in the Indian Ocean, the Pacific Ocean, the torrid zone in the Atlantic Ocean, subtropical zone and temperature
In band sea area.Golden pomfret build is larger, does not form jumpbogroup generally, and spring and summer is swum from off-lying sea to coastal waters, and winter swims over to off-lying sea depth again
Pool.Big individual has 5 kilograms~10 kilograms.Golden pomfret meat is delicate, delicious, is rare edible fishes, and only yield is little,
So can be used as the object of sea-farming.
Golden pomfret side is flat, oval, and anal fin and the second dorsal fin are slightly equal, all significantly than abdomen be it is long.Rostral is flat, caudal peduncle
Carefully, body drapes over one's shoulders small cycloid scale, adheres securely, is not easy to peel off.Preceding upper chin bone flexes outward, the soft item in front of the second dorsal fin and anal fin, structure
At shape like the circle of reaping hook, high 2 times or so of a length of body of body（Juvenile fish）Or not as good as 2 times（Adult fish）.First dorsal has 7 pieces of hard spine,
In wherein first piece of Buried body, the palm of the hand is easily stabbed when grabbing live fish with hand.Second dorsal fin has 17 pieces~20 pieces of soft item, and anal fin has hard spine
2 pieces, 16 pieces~19 pieces of soft item.
Golden pomfret is heavy, and digestion is fast.Under the conditions of artificial feeding, if the time that cannot do not stopped longly after feeding feeds its love again
The food eaten, still ferociousness are fought for.The golden pomfret speed of growth quickly, feeds half a year weight up to 500 grams or so, nursing person according to
The very fast feature of the golden pomfret speed of growth selects to grow most fast 6,7, August part increasing daily ration, feeding quantity in golden pomfret, keeps it rapid
Growth.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of golden pomfret deep-water net cage culture methods, solve existing golden silvery pomfret
Fish culture method leads to the problem of golden pomfret survival rate relatively low influence golden butterfish cultivation economic benefit.
（Two）Technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of golden pomfret deep-water net cage culture method, including it is following
Operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret.
Second step：The input of fry
When temperature inside deep water mesh cage reaches 25-28 DEG C, the input of fry is carried out by specification, is put into each deep water mesh cage
Fry 2000-3000 tails so that fry is grown under suitable temperature tailpiece.
Third walks：The cultivation of golden pomfret
In 1-3 days of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these
Tailpiece so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden silvery pomfret
The feeding that feeds intake of fish, feeds intake 4-6 times daily, and every minor tick 4-6 hours removes innermost layer when golden pomfret grows to 50-120g
Cultivation limit net, control deep water mesh cage inside flow flowing velocity it is identical as the external world, to the golden pomfret inside deep water mesh cage
It is screened, distinguishes small volume and the larger shoal of fish of volume carries out it Classification Management by being screened to it, it is convenient
The shoal of fish of same volume size carries out syntrophism, when golden pomfret 50-120g, carries out 3-4 feeding to golden pomfret daily, every time
It is divided between feeding time 6-8 hours, 3-4 feeding time is respectively -4 point of 3:00 AM, 9. -10 point of the morning, 3. -4 point in afternoon
With 10. -11 points at night intermediate cultivation limitation net is taken out when the weight of golden pomfret is more than 400g or more so that deep water net
Case only remain last layer cultivation limitation net, when golden pomfret weight be more than 400g when, daily golden pomfret feed intake 2 times, 2 times feed
It is respectively -9 point of 8 a.m. and 6 pm to 7 points to eat charging time, when golden pomfret weight is more than 500g or more, is stopped to gold
The cultivation of butterfish can carry out capture salvaging to golden pomfret.
Preferably, the sea area depth of water of the cultivation golden pomfret is required at 24 meters or more, and in neap, net cage bottom to sea
The required distance at bottom is at least at 3 meters or more, to ensure that the survival rate of cultivation, prevents golden pomfret from occurring at ebb tide dead existing
As.
Preferably, the deep-water net cage culture water quality tailpiece of the cultivation golden pomfret should meet：Salinity 20%-30%, water temperature are whole
Body should be controlled control in 22-33 DEG C, pH value and should be controlled as 8 meters -15 meters, dissolved oxygen 5 in 7-9, seawater transparency
It is more than mg/litre.
Preferably, the specification that the fry is launched is 2-3 centimetres/tail, and the dispensing date of fry controlled in annual April
Part-May.
Preferably, the throw-in density of the fry is controlled in 150-250 tails/cubic meter.
Preferably, the bore density of three layers of cultivation limitation net is sequentially increased from inside to outside, innermost layer cultivation limitation net
Caliber size be less than fry size, middle layer cultivation limitation net caliber size be equal to 50 centimetres, outermost layer cultivation
The caliber size of limitation net is equal to 120 centimetres.
Preferably, when the water velocity inside deep water mesh cage is smaller, the cultivation by replacing larger caliber limits
Net improves the water velocity inside deep water mesh cage, to facilitating the cultivation of golden pomfret.
Preferably, described when deep water mesh cage water temperature inside height reaches 30 DEG C, stop the nursing to golden pomfret, works as water temperature
When being restored to 22 DEG C or so, restores the nursing to golden pomfret and operate.
（Three）Advantageous effect
The present invention provides a kind of golden pomfret deep-water net cage culture methods, have following advantageous effect：
（1）The golden butterfish cultivation method of the present invention is that fry is directly launched into Deep sea net cage, according to the condition of production of fry
The replacement for carrying out cultivation limitation net facilitates golden pomfret to adapt to aquaculture sea area to facilitate the water velocity inside control, to side
Just golden pomfret is cultivated, reduces the death rate of golden pomfret, by carrying out screening cultivation to golden pomfret, facilitate the golden silvery pomfret of promotion
The syntrophism of fish, the food-intake for the golden pomfret for preventing volume larger influences the feed of small volume golden pomfret, to influence body
The growth of the smaller golden pomfret of product improves the economic benefit of golden butterfish cultivation to reduce the cultivation time of golden pomfret.
（2）The present invention limits net by cultivation can stop golden pomfret, prevent golden pomfret from dissociating in deep water mesh cage, play pair
The limitation of golden pomfret is improved and is protected to golden pomfret volume, by limiting the replacement of net, increases flow rate, due to limiting network interface diameter
The difference of size, deep water mesh cage is different from the water velocity that seawater interacts, and bore is bigger, and water velocity is faster, and water velocity increases
Soon, the growth of the larger golden pomfret of facilitate volume so that golden pomfret in deep water mesh cage as in ocean, to realize gold
Butterfish deep-water net cage culture method survival rate is high, growth is fast, the culture-cycle is short, risk is small, high financial profit.
Specific implementation mode
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution：A kind of golden pomfret deep-water net cage culture method, including following operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret；
Second step：The input of fry
When temperature inside deep water mesh cage reaches 25-28 DEG C, the input of fry is carried out by specification, is put into each deep water mesh cage
Fry 2000-3000 tails so that fry is grown under suitable temperature tailpiece；
Third walks：The cultivation of golden pomfret
In 1-3 days of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these
Tailpiece so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden silvery pomfret
The feeding that feeds intake of fish, feeds intake 4-6 times daily, and every minor tick 4-6 hours removes innermost layer when golden pomfret grows to 50-120g
Cultivation limit net, control deep water mesh cage inside flow flowing velocity it is identical as the external world, to the golden pomfret inside deep water mesh cage
It is screened, distinguishes small volume and the larger shoal of fish of volume carries out it Classification Management by being screened to it, it is convenient
The shoal of fish of same volume size carries out syntrophism, when golden pomfret 50-120g, carries out 3-4 feeding to golden pomfret daily, every time
It is divided between feeding time 6-8 hours, 3-4 feeding time is respectively -4 point of 3:00 AM, 9. -10 point of the morning, 3. -4 point in afternoon
With 10. -11 points at night intermediate cultivation limitation net is taken out when the weight of golden pomfret is more than 400g or more so that deep water net
Case only remain last layer cultivation limitation net, when golden pomfret weight be more than 400g when, daily golden pomfret feed intake 2 times, 2 times feed
It is respectively -9 point of 8 a.m. and 6 pm to 7 points to eat charging time, when golden pomfret weight is more than 500g or more, is stopped to gold
The cultivation of butterfish can carry out capture salvaging to golden pomfret.
The sea area depth of water for cultivating golden pomfret is required at 24 meters or more, and in neap, the distance at net cage bottom to seabed is wanted
It asks at least at 3 meters or more, to ensure that the survival rate of cultivation, prevents golden pomfret from the phenomena of mortality occurring at ebb tide, cultivate golden silvery pomfret
The deep-water net cage culture water quality tailpiece of fish should meet：Salinity 20%-30%, water temperature should integrally control 22-33 DEG C, pH value should
It is 5 mg/litres or more that control, which should be controlled in 7-9, seawater transparency as 8 meters -15 meters, dissolved oxygen, and the specification that fry is launched is
2-3 centimetres/tail, in annual May in April-, the throw-in density of fry is controlled in 150-250 for the dispensing date control of fry
The bore density of tail/cubic meter, three layers of cultivation limitation net is sequentially increased from inside to outside, the caliber size of innermost layer cultivation limitation net
Less than the size of fry, the caliber size of middle layer cultivation limitation net is equal to 50 centimetres, the mouth of outermost layer cultivation limitation net
Diameter size is equal to 120 centimetres, when the water velocity inside deep water mesh cage is smaller, and the cultivation by replacing larger caliber limits net
The water velocity inside deep water mesh cage is improved, to facilitating the cultivation of golden pomfret, when deep water mesh cage water temperature inside height reaches
At 30 DEG C, stop the nursing to golden pomfret, when water temperature is restored to 22 DEG C or so, restores the nursing to golden pomfret and operate.
Embodiment 1
A kind of golden pomfret deep-water net cage culture method, including following operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret；
Second step：The input of fry
When temperature inside deep water mesh cage reaches 25 DEG C, the input of fry is carried out by specification, fish is put into each deep water mesh cage
2000 tail of seedling so that fry is grown under suitable temperature tailpiece；
Third walks：The cultivation of golden pomfret
In 1 day of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these tails
Part so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden pomfret
The feeding that feeds intake, feed intake daily 4 times, per minor tick 6 hours, when golden pomfret grows to 80g, remove the cultivation limitation of innermost layer
Net, the flow flowing velocity controlled inside deep water mesh cage is identical as the external world, is screened to the golden pomfret inside deep water mesh cage, area
Partial volume is smaller and the larger shoal of fish of volume carries out Classification Management to it, facilitate same volume size by being screened to it
The shoal of fish carries out syntrophism, when golden pomfret 80g, carries out 4 feedings to golden pomfret daily, it is small to be divided into 6 between each feeding time
When, 4 feeding times are respectively -4 point of 3:00 AM, 9. -10 point of the morning, 3. -4 point in afternoon and 10. -11 points of evening, work as gold
When the weight of butterfish is more than 400g or more, intermediate cultivation limitation net is taken out so that deep water mesh cage only remains last layer of cultivation limit
Net processed to golden pomfret feed intake 2 times, 2 times feeding charging time is respectively the morning daily when golden pomfret weight is more than 400g
8. -9 points and 6 pm to 7 points, when golden pomfret weight is more than 500g or more, stop the cultivation to golden pomfret, can be to golden silvery pomfret
Fish carries out capture salvaging.
Embodiment 2
A kind of golden pomfret deep-water net cage culture method, including following operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret；
Second step：The input of fry
When temperature inside deep water mesh cage reaches 26 DEG C, the input of fry is carried out by specification, fish is put into each deep water mesh cage
2500 tail of seedling so that fry is grown under suitable temperature tailpiece；
Third walks：The cultivation of golden pomfret
In 2 days of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these tails
Part so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden pomfret
The feeding that feeds intake, feed intake daily 5 times, per minor tick 5 hours, when golden pomfret grows to 100g, remove the cultivation limit of innermost layer
Net processed, the flow flowing velocity controlled inside deep water mesh cage is identical as the external world, is screened to the golden pomfret inside deep water mesh cage,
It distinguishes small volume and the larger shoal of fish of volume carries out Classification Management to it, facilitate same volume size by being screened to it
The shoal of fish carry out syntrophism, when golden pomfret 100g, 3 feedings are carried out to golden pomfret daily, 8 are divided between each feeding time
Hour, 3 feeding times are respectively 3. -4 point of -4 point of 3:00 AM, 9. -10 point of the morning and afternoon, when the weight of golden pomfret is big
When 400g or more, intermediate cultivation limitation net is taken out so that deep water mesh cage only remains last layer of cultivation limitation net, works as golden pomfret
When weight is more than 400g, daily golden pomfret feed intake 2 times, 2 feeding charging times are respectively -9 point of 8 a.m. and afternoon
, when golden pomfret weight is more than 500g or more, stop the cultivation to golden pomfret at 6 points to 7 points, capture can be carried out to golden pomfret and is beaten
Fishing.
Embodiment 3
A kind of golden pomfret deep-water net cage culture method, including following operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret；
Second step：The input of fry
When temperature inside deep water mesh cage reaches 28 DEG C, the input of fry is carried out by specification, fish is put into each deep water mesh cage
3000 tail of seedling so that fry is grown under suitable temperature tailpiece；
Third walks：The cultivation of golden pomfret
In 3 days of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these tails
Part so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden pomfret
The feeding that feeds intake, feed intake daily 6 times, per minor tick 4 hours, when golden pomfret grows to 120g, remove the cultivation limit of innermost layer
Net processed, the flow flowing velocity controlled inside deep water mesh cage is identical as the external world, is screened to the golden pomfret inside deep water mesh cage,
It distinguishes small volume and the larger shoal of fish of volume carries out Classification Management to it, facilitate same volume size by being screened to it
The shoal of fish carry out syntrophism, when golden pomfret 120g, 3 feedings are carried out to golden pomfret daily, 8 are divided between each feeding time
Hour, 3 feeding times are respectively 3. -4 point of -4 point of 3:00 AM, 9. -10 point of the morning and afternoon, when the weight of golden pomfret is big
When 400g or more, intermediate cultivation limitation net is taken out so that deep water mesh cage only remains last layer of cultivation limitation net, works as golden pomfret
When weight is more than 400g, daily golden pomfret feed intake 2 times, 2 feeding charging times are respectively -9 point of 8 a.m. and afternoon
, when golden pomfret weight is more than 500g or more, stop the cultivation to golden pomfret at 6 points to 7 points, capture can be carried out to golden pomfret and is beaten
Fishing.
In conclusion golden butterfish cultivation method of the present invention is that fry is directly launched into Deep sea net cage, according to fry
The condition of production carries out the replacement of cultivation limitation net, to facilitate the water velocity inside control, golden pomfret is facilitated to adapt to cultivation sea
Domain cultivates golden pomfret to convenient, reduces the death rate of golden pomfret, by carrying out screening cultivation to golden pomfret, side
Just the syntrophism of golden pomfret, the food-intake for the golden pomfret for preventing volume larger is promoted to influence the feed of small volume golden pomfret,
To influence the growth of small volume golden pomfret, to reduce the cultivation time of golden pomfret, the economy of golden butterfish cultivation is improved
Benefit, golden pomfret can be stopped by limiting net by cultivation, prevented golden pomfret from dissociating in deep water mesh cage, played the limit to golden pomfret
System is improved and is protected to golden pomfret volume, by the replacement of limitation net, increases flow rate, due to limiting the difference of net caliber size,
Deep water mesh cage is different from the water velocity that seawater interacts, and bore is bigger, and water velocity is faster, and water velocity is speeded, facilitate volume
The growth of larger golden pomfret so that golden pomfret in deep water mesh cage as in ocean, to realize golden pomfret deep water net
Case cultural method survival rate is high, growth is fast, the culture-cycle is short, risk is small, high financial profit.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of golden pomfret deep-water net cage culture method, including following operating procedure：
The first step：The setting of net cage
It is culture zone to select the sea that sea is tranquil, water quality is salubrious, and deep water mesh cage is arranged in marine cultivation region, corresponding
Deep water mesh cage is fixedly mounted in aquaculture area, and three layers of cultivation limitation net are installed in the inside of deep water mesh cage, to deep water mesh cage into
Row is reinforced, to facilitate the cultivation for carrying out golden pomfret；
Second step：The input of fry
When temperature inside deep water mesh cage reaches 25-28 DEG C, the input of fry is carried out by specification, is put into each deep water mesh cage
Fry 2000-3000 tails so that fry is grown under suitable temperature tailpiece；
Third walks：The cultivation of golden pomfret
In 1-3 days of fry input, the temperature inside deep water mesh cage, and internal water velocity are controlled, by controlling these
Tailpiece so that internal fry adapts to environment in sea area, can quickly grow up, and at golden pomfret initial stage, carries out golden silvery pomfret
The feeding that feeds intake of fish, feeds intake 4-6 times daily, and every minor tick 4-6 hours removes innermost layer when golden pomfret grows to 50-120g
Cultivation limit net, control deep water mesh cage inside flow flowing velocity it is identical as the external world, to the golden pomfret inside deep water mesh cage
It is screened, distinguishes small volume and the larger shoal of fish of volume carries out it Classification Management by being screened to it, it is convenient
The shoal of fish of same volume size carries out syntrophism, when golden pomfret 50-120g, carries out 3-4 feeding to golden pomfret daily, every time
It is divided between feeding time 6-8 hours, 3-4 feeding time is respectively -4 point of 3:00 AM, 9. -10 point of the morning, 3. -4 point in afternoon
With 10. -11 points at night intermediate cultivation limitation net is taken out when the weight of golden pomfret is more than 400g or more so that deep water net
Case only remain last layer cultivation limitation net, when golden pomfret weight be more than 400g when, daily golden pomfret feed intake 2 times, 2 times feed
It is respectively -9 point of 8 a.m. and 6 pm to 7 points to eat charging time, when golden pomfret weight is more than 500g or more, is stopped to gold
The cultivation of butterfish can carry out capture salvaging to golden pomfret.
2. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：The cultivation golden pomfret
The sea area depth of water require at 24 meters or more, and in neap, the required distance at net cage bottom to seabed at least at 3 meters or more, from
And ensure that the survival rate of cultivation, prevent golden pomfret from the phenomena of mortality occurring at ebb tide.
3. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：The cultivation golden pomfret
Deep-water net cage culture water quality tailpiece should meet：Salinity 20%-30%, water temperature should integrally be controlled should control in 22-33 DEG C, pH value
It is 5 mg/litres or more that system, which should be controlled in 7-9, seawater transparency as 8 meters -15 meters, dissolved oxygen,.
4. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：What the fry was launched
Specification is 2-3 centimetres/tail, and the dispensing date of fry controlled in annual May in April-.
5. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：The dispensing of the fry
Density domination is in 150-250 tails/cubic meter.
6. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：Three layers of cultivation limit
The bore density of system net is sequentially increased from inside to outside, and the caliber size of innermost layer cultivation limitation net is less than the size of fry,
The caliber size of middle layer cultivation limitation net is equal to 50 centimetres, and the caliber size of outermost layer cultivation limitation net is equal to 120 centimetres.
7. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：It is described to work as deep water mesh cage
When internal water velocity is smaller, the cultivation by replacing larger caliber limits net to improve the water flow velocity inside deep water mesh cage
Degree, to facilitate the cultivation of golden pomfret.
8. a kind of golden pomfret deep-water net cage culture method according to claim 1, it is characterised in that：It is described to work as deep water mesh cage
When water temperature inside height reaches 30 DEG C, stop the nursing to golden pomfret, when water temperature is restored to 22 DEG C or so, restores to golden pomfret
Nursing operation.
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| CN110150190A (en) * | 2019-06-28 | 2019-08-23 | 海南晨海水产有限公司 | A kind of group breeding method of egg-shaped pompano |
| CN112293305A (en) * | 2020-10-30 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Method for three-dimensional mixed culture of egg-shaped pompano and scallop |
| CN112293304A (en) * | 2020-10-30 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Deep-water stepped breeding method for golden pomfret fries |
| NL2035606A (en) * | 2022-10-26 | 2024-05-14 | Hainan Acad Of Ocean And Fisheries Sciences | Method of synchronously supplying fish fry without screening for large fishing ground |
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