CN105010179B - A kind of seawater cage culture method of perch - Google Patents
A kind of seawater cage culture method of perch Download PDFInfo
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- CN105010179B CN105010179B CN201510348659.0A CN201510348659A CN105010179B CN 105010179 B CN105010179 B CN 105010179B CN 201510348659 A CN201510348659 A CN 201510348659A CN 105010179 B CN105010179 B CN 105010179B
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- 241000269799 Perca fluviatilis Species 0.000 title claims abstract description 104
- 239000013535 sea water Substances 0.000 title claims abstract description 48
- 238000012136 culture method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000004459 forage Substances 0.000 claims abstract description 22
- 238000009395 breeding Methods 0.000 claims abstract description 18
- 230000001488 breeding effect Effects 0.000 claims abstract description 18
- 241001247197 Cephalocarida Species 0.000 claims abstract description 15
- 230000001954 sterilising effect Effects 0.000 claims abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 241000206613 Pyropia yezoensis Species 0.000 claims abstract description 5
- 241000251468 Actinopterygii Species 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 22
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 12
- 229920002261 Corn starch Polymers 0.000 claims description 12
- 235000019733 Fish meal Nutrition 0.000 claims description 12
- 239000005018 casein Substances 0.000 claims description 12
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 12
- 235000021240 caseins Nutrition 0.000 claims description 12
- 239000001913 cellulose Substances 0.000 claims description 12
- 229920002678 cellulose Polymers 0.000 claims description 12
- 239000008120 corn starch Substances 0.000 claims description 12
- 229940099112 cornstarch Drugs 0.000 claims description 12
- 235000021323 fish oil Nutrition 0.000 claims description 12
- 239000004467 fishmeal Substances 0.000 claims description 12
- 229940083466 soybean lecithin Drugs 0.000 claims description 12
- 235000013343 vitamin Nutrition 0.000 claims description 12
- 229940088594 vitamin Drugs 0.000 claims description 12
- 229930003231 vitamin Natural products 0.000 claims description 12
- 239000011782 vitamin Substances 0.000 claims description 12
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 11
- 239000011707 mineral Substances 0.000 claims description 11
- 230000009182 swimming Effects 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 3
- 241000512259 Ascophyllum nodosum Species 0.000 claims 1
- 241001474374 Blennius Species 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 244000003416 Asparagus officinalis Species 0.000 abstract description 3
- 235000005340 Asparagus officinalis Nutrition 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000004060 metabolic process Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 235000018102 proteins Nutrition 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
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- 238000012851 eutrophication Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
Abstract
The invention provides a kind of seawater cage culture method of perch, including：Step 1: keep breeding water body salinity to be 3 ‰~30 ‰, and cultivation sea-tangle, asparagus or Porphyra yezoensis in the seawater cage in breeding water body；Step 2: with five sub-sieves screening perch fingerling, the perch fingerling being carried out after dipping bath sterilization with 3% saline solution, is thrown to certain breeding density in the seawater cage；Step 3: second day to the 6th day in dispensing feeds artemia larvae to perch fingerling；Perch fingerling is fed with artemia larvae combination fry feed within the 7th day in dispensing；Step 4: when perch fingerling grows to 8~12cm, larvae forage is fed to it；Step 5: treating that perch fingerling grows to 25~40cm, it can be fished for.The present invention provides a kind of seawater cage culture method that suitable perch grows according to the growth characteristic of perch, and this method can significantly shorten the culture-cycle of perch, and the perch of cultivation has the advantages that protein content height, fine and tender taste.
Description
Technical field
The present invention relates to the cultural method of perch.It is more particularly related to the seawater cage culture method of perch.
Background technology
Perch, its build is longer, slightly in spindle row, and point kiss, mouth is big, body colour silvery white, and back is in lime color, and its is widely distributed
In China coast, be one kind live in Nearshore Shallow Sea, lower floor, rich in the wide temperature of higher economic value, euryhalinous rare fish
Class, it is adapted to carry out various forms of cultivation in various water bodys.China sea-farming perch is with a long history, because its meat is pure white
Delicate, fragrant taste, is liked extensively by people, but its speed of growth in the seawater is slower；Perch is in freshwater aquiculture
Fast growth, but in meat fat it is more, the content of protein is relatively low, and sense of taste is poor, color and luster significantly with sea-farming
It is different.
In view of more than, it would be highly desirable to can according to the growth characteristic of perch there is provided a kind of growth cycle that can shorten perch and
The perch of cultivation has the perch seawater cage culture method of the high advantage of protein content.
The content of the invention
The present invention is in view of the above-mentioned problems, there is provided a kind of perch seawater cage culture method, this method is by adjusting perch
The factor such as the water body environment of growth and the species that feeds intake, can realize the effect for the growth cycle for being significantly shorter perch.
Have the advantages that fine and tender taste, protein content are high it is an object of the invention to the perch of cultivation.
It is a still further object of the present invention to provide perch seawater cage cultural method it is applied widely, i.e., suitable for true
Real briny environment, is applied to the briny environment propagated artificially again.
Therefore, the invention provides a kind of seawater cage culture method of perch, comprising the following steps：
Step 1: keeping breeding water body salinity to be 3 ‰~30 ‰, and sea is cultivated in the seawater cage in breeding water body
Band, asparagus or Porphyra yezoensis, wherein being specially：
When water temperature is less than 13 DEG C, by Water salinity regulation to 20 ‰~30 ‰, sea is cultivated in the seawater cage
Band, its cultivation density is 60~100/mu；
When water temperature is 13 DEG C~18 DEG C, by Water salinity regulation to 10 ‰~20 ‰, cultivated in the seawater cage
Porphyra yezoensis, its cultivation density is 30~50/mu；
When water temperature is 18 DEG C~25 DEG C, by Water salinity regulation to 3 ‰~10 ‰, dragon is cultivated in the seawater cage
Palpus dish, its cultivation density is 15~30/mu；Water temperature is high, salinity is low, and the water environment that water temperature is low, salinity is high is conducive to perch
Growth, at the same according to water temperature change it is in good time corresponding marine alga is planted in seawater cage, not only facilitate improvement water environment and
The eutrophication of anti-water-stop body, at the same also can compartment fish for for people eat；
Step 2: the perch fingerling for being 1cm~1.5cm with five sub-sieves screening length, by the perch fingerling with 3%
Saline solution is carried out after dipping bath sterilization, is thrown to certain breeding density in the seawater cage；Will be to perch fish before dispensing
Kind screened, it is to avoid fingerling causes the competition and cannibalisation phenomenon between fingerling due to of different sizes, at the same sterilization be in order to
Avoid perch fingerling that virus, bacterium are brought into water body, so as to influence the water body environment that perch lives.
Step 3: feeding artemia larvae to the perch fingerling by the 6th day at second day of dispensing, 3~5 are fed daily
Secondary, feeding volume is that every 10~20 kilograms of fishes feed 3~8g；The 7th day of dispensing with artemia larvae combination fry feed to described
Perch fingerling is fed, and feeding volume is that every 10~20 kilograms of fishes feed 8~10g, and the fry feed is that particle diameter is 0.5mm's
Expanded particle of swimming；The perch fingerling at dispensing initial stage is due to also in young stage, it is therefore desirable to feed that protein content is higher, mouth
The softer artemia larvae of sense, with growing up for perch fingerling, its demand to food also increases therewith, therefore need to combine particle
Smaller fry feed is fed；
Step 4: when the perch fingerling grows to 8~12cm, larvae forage is fed to it, is fed daily 2~3 times,
Feeding volume is that every 10~20 kilograms of fishes feed 20~40g；The larvae forage is the expanded particle of swimming that particle diameter is 2mm；
Step 5: treating that the perch fingerling grows to 25~40cm, you can it is fished for.
Preferably, wherein, the breeding density be 2500~3500 tails/mu.
Preferably, wherein, in the step 3, halogen was fed to the perch fingerling by the 6th day at second day of dispensing
The worm young is specially：
When water temperature is 18 DEG C~25 DEG C, 5 times are fed daily, respectively 6 points and 10 points of the morning, 2 points of afternoon and 6 points,
At 10 points in evening, feeding volume is that every 10~20 kilograms of fishes feed 6g~8g；
When water temperature is 13 DEG C~18 DEG C, 4 times, respectively at 7 points in the morning, 12 noon, at 5 points in afternoon, evening 9 are fed daily
Point, feeding volume is that every 10~20 kilograms of fishes feed 4g~6g；
When water temperature is less than 13 DEG C, 3 times, respectively at 7 points in the morning, 12 noon, at 5 points in evening, feeding volume are fed daily
3g~4g is fed for every 10~20 kilograms of fishes.Perch has faster metabolism under suitable water temperature, therefore can increase throwing
The feeding volume of number of times is fed to accelerate the speed of growth, and under the low water temperature of temperature, its metabolism substantially reduction, therefore can be appropriate
Reduction feeds number of times and feeding volume.
Preferably, wherein, the bottom of the seawater cage is 5m apart from the minimum range of horizontal plane, with the life of perch
It is long, the distance is increased into 1m every seven days.Enough growing spaces are provided for the growth of perch fingerling.
Preferably, wherein, in the fry feed fish meal be 35~40 parts, casein be 15~18 parts, fish oil be 5~
8 parts, cornstarch be 10~13 parts, soybean lecithin be 1~2 part, vitamin mixtures be 6~10 parts, mineral mixture
It it is 10~15 parts for 1~5 part, cellulose.The early growth period of perch fingerling need to feed the high fry feed of protein content, with full
The need for sufficient own growth.
Preferably, wherein, in the larvae forage fish meal be 35~40 parts, casein be 10~15 parts, fish oil be 5~
8 parts, cornstarch be 18~20 parts, soybean lecithin be 1~2 part, vitamin mixtures be 2~4 parts, mineral mixture be
1~5 part, cellulose be 10~20 parts.The many kinds of substance needed is grown in larvae forage containing perch.
Preferably, wherein, the larvae forage fish meal is 38 parts, casein is 14 parts, fish oil is 7 parts, cornstarch
Be 1 part for 19 parts, soybean lecithin, vitamin mixtures be 3 parts, mineral mixture be 4 parts, cellulose be 13 parts.
Preferably, wherein, fed 2 times daily in the step 4, at 10 points in the respectively daily morning and 6 pm.
The present invention at least includes following beneficial effect：
1st, the cultural method for the perch seawater cage that the present invention is provided is applied widely, i.e., suitable for real seawater ring
Border, is applied to the briny environment propagated artificially, the perch of cultivation has the advantages that fine and tender taste, protein content are high, and energy again
It is significantly shorter the growth cycle of perch.
2nd, in the present invention, water temperature is high, salinity is low, and the water environment that water temperature is low, salinity is high is conducive to the growth of perch, while root
According to water temperature change it is in good time corresponding marine alga is planted in seawater cage, not only facilitating improves the richness of water environment and anti-water-stop body
Nutrient laden, at the same also can compartment fish for for people eat.3rd, in the present invention, perch fingerling is screened before dispensing,
Fingerling is avoided to cause the competition between fingerling and cannibalisation phenomenon due to of different sizes, while sterilization is in order to avoid perch fingerling
Virus, bacterium are brought into water body, so as to influence the water body environment that perch lives.
4th, in the present invention, the perch fingerling at initial stage is delivered due to also in young stage, it is therefore desirable to is fed protein and is contained
The softer artemia larvae of higher, mouthfeel is measured, with growing up for perch fingerling, its demand to food also increases therewith, therefore
The smaller fry feed of particle need to be combined to be fed.
5th, in the present invention, perch has faster metabolism under suitable water temperature, therefore can increase and feed number of times
Feeding volume to accelerate the speed of growth, and under the low water temperature of temperature, its metabolism substantially reduction, therefore can suitably reduce throwing
Feed number of times and feeding volume.
6th, with the growth of perch, the depth of seawater cage provides suitable growing space in increase for the growth of perch.
7th, in the present invention, the early growth period of perch fingerling need to feed the high fry feed of protein content, to meet certainly
The need for body grows.The many kinds of substance needed is grown containing perch in larvae forage and fry feed simultaneously.
Embodiment
The present invention is described in further detail below, to make those skilled in the art being capable of evidence with reference to specification word
To implement.
Embodiment one
Step 1: keeping breeding water body salinity to be 25 ‰, and sea-tangle is cultivated in the seawater cage in breeding water body, it is supported
Density is grown for 60~100/mu；
Step 2: the perch fingerling for being 1cm~1.5cm with five sub-sieves screening length, by the perch fingerling with 3%
Saline solution is carried out after dipping bath sterilization, is thrown to 2500 tails/mu breeding density in the seawater cage；
Step 3: feeding artemia larvae to the perch fingerling by the 6th day at second day of dispensing, feed daily 3 times,
Respectively at 7 points in morning, 12 noon, at 5 points in evening, feeding volume is that every 10~20 kilograms of fishes feed 4g~6g；The 7th of dispensing the
It is fed with artemia larvae combination fry feed to the perch fingerling, feeding volume be every 10~20 kilograms of fishes feed 8~
10g, the fry feed is the expanded particle of swimming that particle diameter is 0.5mm；
Step 4: when the perch fingerling grows to 8~12cm, larvae forage is fed to it, is fed daily 2 times, point
At 10 points in the morning that Wei be not daily and 6 pm, feeding volume are that every 10~20 kilograms of fishes feed 20~30g；The larvae forage is
Particle diameter is 2mm expanded particle of swimming；
Step 5: treating that the perch fingerling grows to 25~40cm, you can it is fished for, its grow number of days be 80~
90 days.
Wherein, the depth of seawater cage is can adjust to meet the continuous growth of perch, the bottom distance of the seawater cage
The minimum range of horizontal plane is 5m, and with the growth of perch, the distance is increased into 1m every seven days.
In order to meet the growth needs of perch, it is necessary in various ingredients, the fry feed of Optimum Contents, the fry feed
Fish meal is 39 parts, casein is 17 parts, fish oil is 5 parts, cornstarch is 11 parts, soybean lecithin is 2 parts, vitamin mixtures
Be 1 part for 10 parts, mineral mixture, cellulose be 15 parts.
With the growth of perch fingerling, the demand of its nutriment is in change, it is therefore desirable to adjust the group of larvae forage
Point and content, in the larvae forage fish meal be 36 parts, casein be 12 parts, fish oil be 8 parts, cornstarch be 20 parts, soybean
Lecithin is 2 parts, vitamin mixtures are 3 parts, mineral mixture is 5 parts, cellulose is 14 parts.
Embodiment two
Step 1: keeping breeding water body salinity to be 19 ‰, Porphyra yezoensis is cultivated in the seawater cage, its cultivation density
For 30~50/mu；
Step 2: the perch fingerling for being 1cm~1.5cm with five sub-sieves screening length, by the perch fingerling with 3%
Saline solution is carried out after dipping bath sterilization, is thrown to the breeding density of 3000 tails/mu in the seawater cage；
Step 3: feeding artemia larvae to the perch fingerling by the 6th day at second day of dispensing, feed daily 4 times,
Respectively at 7 points in the morning, 12 noon, at 5 points in afternoon, at 9 points in evening, feeding volume is that every 10~20 kilograms of fishes feed 4g~6g；Throwing
The 7th day put is fed with artemia larvae combination fry feed to the perch fingerling, and feeding volume is every 10~20 kilograms of fishes
8~10g is fed, the fry feed is the expanded particle of swimming that particle diameter is 0.5mm；
Step 4: when the perch fingerling grows to 8~12cm, larvae forage is fed to it, is fed daily 2 times, point
At 10 points in the morning that Wei be not daily and 6 pm, feeding volume are that every 10~20 kilograms of fishes feed 30~35g, and the larvae forage is
Particle diameter is 2mm expanded particle of swimming；
Step 5: treating that the perch fingerling grows to 25~40cm, you can it is fished for, its growth cycle be 70~
85 days.
The depth of adjustable seawater cage is to meet the continuous growth of perch, and the bottom of the seawater cage is apart from horizontal plane
Minimum range be 5m, with the growth of perch, the distance is increased into 1m every seven days.
In order to meet the growth needs of perch, it is necessary in various ingredients, the fry feed of Optimum Contents, the fry feed
Fish meal is 36 parts, casein is 16 parts, fish oil is 8 parts, cornstarch is 13 parts, soybean lecithin is 2 parts, vitamin mixtures
Be 3 parts for 8 parts, mineral mixture, cellulose be 14 parts.
With the growth of perch fingerling, the demand of its nutriment is in change, it is therefore desirable to adjust the group of larvae forage
Divide and content, above-mentioned larvae forage is specially：Fish meal is 38 parts, casein is 14 parts, fish oil is 7 parts, cornstarch is 19 parts,
Soybean lecithin is 1 part, vitamin mixtures are 3 parts, mineral mixture is 4 parts, cellulose is 13 parts.
Embodiment three
Step 1: keep breeding water body salinity to be 7 ‰, the cultivated gardon asparagus in the seawater cage, its cultivation density is
15~30/mu；
Step 2: the perch fingerling for being 1cm~1.5cm with five sub-sieves screening length, by the perch fingerling with 3%
Saline solution is carried out after dipping bath sterilization, is thrown to 3500 tails/mu breeding density in the seawater cage；
Step 3: feeding artemia larvae to the perch fingerling by the 6th day at second day of dispensing, feed daily 5 times,
Respectively 6 points and 10 points of the morning, 2 points of afternoon and 6 points, at 10 points in evening, feeding volume is that every 10~20 kilograms of fishes feed 6g~8g；
The perch fingerling is fed with artemia larvae combination fry feed within the 7th day in dispensing, feeding volume is every
10~20 kilograms of fishes feed 8~10g, and the fry feed is the expanded particle of swimming that particle diameter is 0.5mm；
Step 4: when the perch fingerling grows to 8~12cm, larvae forage is fed to it, is fed daily 3 times, point
8 a.m., at 3 points in afternoon and at 8 points in evening that Wei be not daily, feeding volume be that every 10~20 kilograms of fishes feed 40g；The larvae forage
The expanded particle of swimming for being 2mm for particle diameter；
Step 5: treating that the perch fingerling grows to 25~40cm, you can it is fished for, its growth cycle be 65~
75 days.
The depth of adjustable seawater cage is to meet the continuous growth of perch, and the bottom of the seawater cage is apart from horizontal plane
Minimum range be 5m, with the growth of perch, the distance is increased into 1m every seven days.
In order to meet the growth needs of perch, it is necessary in various ingredients, the fry feed of Optimum Contents, the fry feed
Fish meal is 35 parts, casein is 18 parts, fish oil is 5 parts, cornstarch is 13 parts, soybean lecithin is 2 parts, vitamin mixtures
Be 4 parts for 8 parts, mineral mixture, cellulose be 15 parts.
Above-mentioned larvae forage is specially：Fish meal is 38 parts, casein is 14 parts, fish oil is 7 parts, cornstarch is 19 parts,
Soybean lecithin is 1 part, vitamin mixtures are 3 parts, mineral mixture is 4 parts, cellulose is 13 parts.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With.It can be applied to various suitable the field of the invention completely., can be easily for those skilled in the art
Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (7)
1. a kind of seawater cage culture method of perch, it is characterised in that comprise the following steps：
Step 1: keep breeding water body salinity to be 3 ‰~30 ‰, and cultivation sea-tangle, dragon in the seawater cage in breeding water body
Palpus dish or Porphyra yezoensis, wherein being specially：
When water temperature is less than 13 DEG C, by Water salinity regulation to 20 ‰~30 ‰, cultivated kelp in the seawater cage, its
Cultivation density is 60~100/mu；
When water temperature is 13 DEG C~18 DEG C, by Water salinity regulation to 10 ‰~20 ‰, streak is cultivated in the seawater cage
Seaweed, its cultivation density is 30~50/mu；
When water temperature is 18 DEG C~25 DEG C, by Water salinity regulation to 3 ‰~10 ‰, dragon is cultivated in the seawater cage
Dish, its cultivation density is 15~30/mu；
Step 2: with five sub-sieves screening length be 1cm~1.5cm perch fingerling, by the perch fingerling with 3% salt
Water is carried out after dipping bath sterilization, is thrown to certain breeding density in the seawater cage；
Step 3: feeding artemia larvae to the perch fingerling by the 6th day at second day of dispensing, feed 3~5 times, throw daily
Feed amount and feed 3~8g for every 10~20 kilograms of fishes；The 7th day of dispensing with artemia larvae combination fry feed to the perch
Fingerling is fed, and feeding volume is that every 10~20 kilograms of fishes feed 8~10g, and the fry feed is that particle diameter is the expanded of 0.5mm
Swim particle；
Wherein, artemia larvae was fed to the perch fingerling in second day to the 6th day and is specially in dispensing：
When water temperature is 18 DEG C~25 DEG C, 5 times, respectively 6 points and 10 points of the morning, evening are fed daily at 2 points of afternoon and 6 points
10 points, feeding volume is that every 10~20 kilograms of fishes feed 6g~8g；
When water temperature is 13 DEG C~18 DEG C, 4 times are fed daily, respectively at 7 points in the morning, 12 noon, at 5 points in afternoon, at 9 points in evening,
Feeding volume is that every 10~20 kilograms of fishes feed 4g~6g；
When water temperature is less than 13 DEG C, 3 times are fed daily, respectively at 7 points in the morning, 12 noon, at 5 points in evening, feeding volume is every
10~20 kilograms of fishes feed 3g~4g；
Step 4: when the perch fingerling grows to 8~12cm, larvae forage being fed to it, feeds 2~3 times, feeds daily
Measure and feed 20~40g for every 10~20 kilograms of fishes；The larvae forage is the expanded particle of swimming that particle diameter is 2mm；
Step 5: treating that the perch fingerling grows to 25~40cm, you can it is fished for.
2. the seawater cage culture method of perch as claimed in claim 1, it is characterised in that the breeding density is 2500~
3500 tails/mu.
3. the seawater cage culture method of perch as claimed in claim 1, it is characterised in that the bottom of the seawater cage away from
Minimum range from horizontal plane is 5m, and with the growth of perch, the distance is increased into 1m every seven days.
4. the seawater cage culture method of perch as claimed in claim 1, it is characterised in that fish meal is in the fry feed
35~40 parts, casein be 15~18 parts, fish oil be 5~8 parts, cornstarch be 10~13 parts, soybean lecithin be 1~2 part,
Vitamin mixtures are 6~10 parts, mineral mixture is 1~5 part, cellulose is 10~15 parts.
5. the seawater cage culture method of perch as claimed in claim 1, it is characterised in that fish meal is in the larvae forage
35~40 parts, casein be 10~15 parts, fish oil be 5~8 parts, cornstarch be 18~20 parts, soybean lecithin be 1~2 part,
Vitamin mixtures are 2~4 parts, mineral mixture is 1~5 part, cellulose is 10~20 parts.
6. the seawater cage culture method of perch as claimed in claim 5, it is characterised in that the larvae forage fish meal is 38
Part, casein be 14 parts, fish oil be 7 parts, cornstarch be 19 parts, soybean lecithin be 1 part, vitamin mixtures be 3 parts, ore deposit
Mixture of substances is 4 parts, cellulose is 13 parts.
7. the seawater cage culture method of perch as claimed in claim 1, it is characterised in that fed daily in the step 4
2 times, at 10 points in the respectively daily morning and 6 pm.
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| CN112293311A (en) * | 2020-11-24 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Three-dimensional breeding method for golden pomfret |
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| CN1653891A (en) * | 2004-11-22 | 2005-08-17 | 珠海市南桦水产科技有限公司 | Method for breeding cock up fry |
| CN104509723A (en) * | 2014-12-11 | 2015-04-15 | 浙江海洋学院 | Epinephelus akaara feed and formula thereof |
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| CN104605142A (en) * | 2015-02-27 | 2015-05-13 | 浙江海洋学院 | Processing technology of microcapsule grouper microparticle feed |
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