CN107691299A - The feeding method of larval rearing in Coilia ectenes in Yangtze River room - Google Patents

The feeding method of larval rearing in Coilia ectenes in Yangtze River room Download PDF

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CN107691299A
CN107691299A CN201710938197.7A CN201710938197A CN107691299A CN 107691299 A CN107691299 A CN 107691299A CN 201710938197 A CN201710938197 A CN 201710938197A CN 107691299 A CN107691299 A CN 107691299A
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fry
days
mesh
mesh sieve
bait
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CN107691299B (en
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施永海
张海明
严银龙
张根玉
谢永德
刘永士
陆根海
王建军
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Shanghai Fisheries Research Institute
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/10—Culture of aquatic animals of fish
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Insects & Arthropods (AREA)
  • Birds (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The feeding method of larval rearing in Coilia ectenes in Yangtze River room, it is characterized in that when feeding 4 age in days of fry, algae water is filtered with 200 mesh sieve tulles；The age in days living bait of fry 58 is Brachionus angularis, and supplement feeds yolk；The age in days living bait of fry 9 11 is Brachionus calyciflorus, supplements Micro Algae；The age in days living bait of fry 12 13 is Brachionus calyciflorus, Branchionus urceus, supplements Micro Algae；The age in days living bait of fry 14 16 is three limb wheel animalcules, crystal sac wheel animalcule；The age in days living bait of fry 17 18 is large-scale freshwater rotifer, small-sized cladocera and Copepods nauplius；The age in days living bait of fry 19 21 is medium-sized cladocera and Small Copepods；The age in days living bait of fry 22 28 is large-scale cladocera and medium-sized Copepods；The age in days living bait of fry 29 35 is large-scale cladocera and Copepods adult；The 2.5cm of 30 35 age in days fry total length 2.0 is put in a suitable place to breed in pond, carries out pond summer flower nurture of fish fingerlings.

Description

The feeding method of larval rearing in Coilia ectenes in Yangtze River room
Technical field
The present invention relates to Coilia ectenes in Yangtze River artificial culture, the feed series of especially a kind of Coilia ectenes in Yangtze River larval rearing and throwing The method of feeding.
Background technology
Knife long-tailed anchovy (Coilia nasus Schlegel), also known as long jaw long-tailed anchovy, are commonly called as hairtail, are river sea migration fishes, mainly China Huang Bohai Sea and the band of the East Sea one are distributed in, all maritime rivers are distributed, with THE LOWER YANGTZE VALLEY yield highest.Coilia ectenes in Yangtze River with Fine and tender taste, fresh fertilizer, seasonal are strong and famous, and with the Changjiang river hilsa herring, filefish and claiming " the Changjiang river three delicacies ".In recent years, due to mistake Degree fishing and the influence of the factors such as the deterioration of the ecological environment, knife long-tailed anchovy resource drastically fail, and yield is in downward trend year by year, the Changjiang river The price of knife long-tailed anchovy marketable fish is also constantly rising, Clear and Bright in 2017, specification 3 liang or so " machete " price be up to 7000 yuan/ Kg.The breakthrough and popularization of knife long-tailed anchovy artificial breeding technology, and then the industrialization breeding production of the fish is promoted, fishery industry can be promoted The adjustment of structure, promote fishery synergy, fisherman's increased income.Therefore, before knife long-tailed anchovy has good development as artificial farming new varieties Scape.
At present, the mode of reproduction of knife long-tailed anchovy mainly has two kinds：One kind is pond ecological mating system；Another kind is indoor cement The intensive mating system in pond, at present knife long-tailed anchovy breed mainly second method, the method advantage is artificial breeding completely artificial Carried out under control condition, seed rearing survival rate is higher, can obtain the seed of batch.But the method knife long-tailed anchovy seed rearing When, the agreeable to the taste bait requirement that the seed of different phase needs is strict.Due to the special physiological ecological habit of knife long-tailed anchovy, knife tapertail anchovy seedling pair The requirement of bait is very harsh：During larval rearing, knife long-tailed anchovy bait must feed agreeable to the taste bait, the excessive bait of particle diameter Material, which causes fry to ingest, to ingest, and cause the waste of bait, while big living bait continues to grow in knife long-tailed anchovy breeds water body Breeding, the agreeable to the taste bait such as algae of fry and small wheel animalcule in water body are absorbed, it is agreeable to the taste that big living bait can strive food with knife long-tailed anchovy Bait, big living bait become the harmful organisms of the agreeable to the taste live bait of knife tapertail anchovy seedling, such as carnivorous crystal sac wheel animalcule, Copepods； Meanwhile if feeding too small bait, the knife tapertail anchovy seedling as ferociousness fish is just reluctant to ingest, it is easy for killing and devouring similar small Individual, cause knife long-tailed anchovy seed rearing survival rate low, and small living bait causes to press in knife long-tailed anchovy breeds water body to aquatic environment Power.Therefore, if in knife long-tailed anchovy room a certain stage of seed rearing do not feed suitable bait, will result in knife long-tailed anchovy seed size The a series of problems such as difference is big, survival rate is low, the deterioration of water environment and living bait waste.As can be seen here, in knife long-tailed anchovy room In intensive seed rearing, need to feed different agreeable to the taste bait in the different age in days of fry, select specification accurately bait system Row and feeding method are the key factors of knife long-tailed anchovy seed rearing success or not.
The content of the invention
The present invention needs to solve the problems, such as the feed series for being to provide a kind of suitable knife long-tailed anchovy larva and juvenile each stage and fed Method, change the problem of knife long-tailed anchovy seed size difference is big, survival rate is low, the deterioration of water environment and living bait waste, reach and carry The purpose of high knife long-tailed anchovy seed rearing efficiency.
Technical scheme, when knife long-tailed anchovy embryonated egg is put in a suitable place to breed, water level is the half of full-water level, and density domination is in 5000- 10000/m3, seed rearing water temperature is in the range of 24-25 degree in knife long-tailed anchovy room, fry opening after 5~6 days, bait system after cloth ovum Row and feeding method be when be 4 age in days of fry, and addition algae water is filtered with 200 mesh sieve tulles, Micro Algae be real ball algae, four ball algaes, Chlorella, transparency maintain 20-30cm；During fry 5-8 ages in days, opening stage, the endogenous vegetative phase, living bait is mainly Brachionus angularis, collection is fished for using 150 mesh sieve tulles, the sieving of 100 mesh sieve tulles, obtains the wheel animalcule between 150-100 mesh, Feed 2 times daily, Feeding time 9:00、16:00, maintain 2.0-2.8/ml of density；Supplement feeds the egg of 100 mesh sieving Huang, feed daily 6 times, the time 6:00、8:00、11:00、14：00、17:00、20:00, feeding volume is that every ten thousand tails fry is daily 0.6-0.8 yolk；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm；During fry 9-11 ages in days, living bait Predominantly Brachionus calyciflorus, collection is fished for using 150 mesh sieve tulles, the sieving of 80-100 mesh sieve tulles, obtain 150-80 mesh it Between wheel animalcule, feed daily 2 times, Feeding time 9:00、16:00, bait maintains 3-4/ml of density；Every morning supplement is single Born of the same parents algae 1 time, transparency maintains 30-40cm；During fry 12-13 ages in days, living bait is mainly Brachionus calyciflorus, gyalectiform arm tail Wheel animalcule, collection is fished for using 150 mesh sieve tulles, the sieving of 80 mesh sieve tulles, the wheel animalcule between 150-80 mesh is obtained, feeds 2 daily It is secondary, Feeding time 9:00、17:00, bait maintains 4-6/ml of density；Every morning supplement Micro Algae 1 time, transparency maintains In 30-40cm；Embryonated egg breeding density is 10,000/m3Seed rearing divide pond during this period 1 time；During fry 14-16 ages in days, Living bait is mainly three limb wheel animalcules, crystal sac wheel animalcule, fishes for collection using 150 mesh sieve tulles, the sieving of 60 mesh sieve tulles, obtains 150- Wheel animalcule between 60 mesh, feed daily 2 times, Feeding time 9:00、17:00, bait maintains 3-4/ml of density；Fry 17- During 18 age in days, living bait is mainly large-scale freshwater rotifer, small-sized cladocera and Copepods nauplius, such as：Big individual crystal sac wheel Worm, small individual Moina, sword daphnia nauplius, collection is fished for using 100 mesh sieve tulles, the sieving of 60 mesh sieve tulles, is obtained Living bait between 100-60 mesh, feed daily 2 times, Feeding time 9:00、17:00, density is fed as 2-3/ml；Fry During 19-21 ages in days, living bait is mainly medium-sized cladocera and Small Copepods, such as：Thorniness Moina, miniature Moina, Jian Shui The Magna young, collection is fished for using 100 mesh sieve tulles, cladocera is sieved with 40 mesh sieve tulles, and Copepods is sieved with 80 mesh sieve tulles, The living bait between 100-60 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, density is fed as 3-4/ml； Embryonated egg breeding density is 5000/m3Seed rearing divide pond during this period 1 time；During fry 22-28 ages in days：Living bait is big Type cladocera and medium-sized Copepods, such as：Moina, carina Magna, sword daphnia subadult, collection, branch are fished for using 80 mesh sieve tulles Angle class is sieved with 30 mesh sieve tulles, and Copepods is sieved with 40-60 mesh sieve tulles, is obtained the living bait between 80-30 mesh, is thrown daily Feed 2 times, Feeding time 9:00、17:00, have during feeding for the second time on a small quantity surplus material be defined；During fry 29-35 ages in days, live bait Material predominantly large-scale cladocera and Copepods adult, such as：Moina, carina Magna, sword daphnia adult, are fished for using 80 mesh sieve tulles Collection, cladocera are sieved with 20 mesh sieve tulles, and Copepods is sieved with 40 mesh sieve tulles, obtain the living bait between 80-20 mesh, often It feeds 2 times, Feeding time 9:00、17:00, have during feeding for the second time on a small quantity surplus material be defined；30-35 age in days fry total lengths It 2.0-2.5cm, can put in a suitable place to breed in pond, carry out pond summer flower nurture of fish fingerlings.
It is of the invention to be relative to the outstanding feature of prior art：1) provide a kind of specification and accurately feed series and feed Method, the less fry of individual ingests less than suitable bait during alleviating seed rearing, and causes individual difference, or even makes Cut one another's throats between individual；2) reduce due to surviving in knife long-tailed anchovy seedling water, water quality pipe caused by unpalatable living bait Manage pressure；3) numerous life of the harmful organisms of the agreeable to the taste bait of knife long-tailed anchovy has effectively been taken precautions against, has improved the utilization rate of agreeable to the taste bait；4) solve The problem of knife long-tailed anchovy seed size difference is big, improves the survival rate (more than 60%) of knife long-tailed anchovy seed rearing, reduces knife long-tailed anchovy seedling Kind production cost.The present invention is easy to operate, is easy to be accepted and promotes.
Embodiment
Embodiment 1
It is full the 5-6 months in 2016 in No. 2 workshops of Shanghai Aquatic Product Institute Fengxian scientific base knife long-tailed anchovy scale has been carried out Artificial breeding, using the second filial parent Jing Guo artificial breeding in 2013, through hastening parturition, natural mating fertilization, embryonated egg is obtained, is adopted Use 20m3Cement pit is as hatching and seed cultivation pool, and using low water level cloth ovum, cloth ovum density is 5000/m3, filled using hydrostatic Gas oxygenation is cultivated, and water for larval nursing is behind pond and cistern two-stage precipitation with the silk cover filtering of 150 mesh；1.2/m of gas exhausting stone2, Aeration quantity is wavy, and water temperature is controlled at 24~25 DEG C；Daily plus water, filled it up with after 3 days, next change water 1/4 daily, after cloth ovum From 6th day, the clear bottom of soil pick-up is wanted once daily, it is 50% to change quantity of exchanged water of water every other day, after cloth ovum from the 15th day, changes water one every other day Secondary quantity of exchanged water is 60~70%；Fry opening, feed series and feeding method after 5~6 days after cloth ovum：
During 4 age in days of fry, with 200 mesh sieve tulles filter addition algae water, Micro Algae be real ball algae, four ball algaes, chlorella, Transparency maintains 20-30cm；
During fry 5-8 ages in days, opening stage, the endogenous vegetative phase, living bait is mainly Brachionus angularis, is used 150 mesh sieve tulles fish for collection, the sieving of 100 mesh sieve tulles, obtain the wheel animalcule between 150-100 mesh, feed 2 times, feed daily Time is 9:00、16:00, maintain 2.0-2.8/ml of density；Supplement feeds the yolk of 100 mesh sieving, feeds daily 6 times, when Between be 6:00、8:00、11:00、14：00、17:00、20:00, feeding volume is the daily 0.6-0.8 yolk of every ten thousand tails fry；Often Its morning supplement Micro Algae 1 time, transparency maintains 30-40cm；
During fry 9-11 ages in days, living bait is mainly Brachionus calyciflorus, and collection, 80- are fished for using 150 mesh sieve tulles 100 mesh sieve tulles are sieved, and are obtained the wheel animalcule between 150-80 mesh, are fed daily 2 times, Feeding time 9:00、16:00, bait Maintain 3-4/ml of density；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm；
During fry 12-13 ages in days, living bait is mainly Brachionus calyciflorus, Branchionus urceus, using 150 mesh sieve tulles Collection is fished for, the sieving of 80 mesh sieve tulles, the wheel animalcule between 150-80 mesh is obtained, feeds daily 2 times, Feeding time 9:00、17: 00, bait maintains 4-6/ml of density；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm.Embryonated egg is put in a suitable place to breed Density is 10,000/m3Seed rearing divide pond during this period 1 time；
During fry 14-16 ages in days, living bait is mainly three limb wheel animalcules, crystal sac wheel animalcule, is fished for and adopted using 150 mesh sieve tulles Collection, 60 mesh sieve tulles sieving, obtains the wheel animalcule between 150-60 mesh, feeds daily 2 times, Feeding time 9:00、17:00, bait Material maintains 3-4/ml of density；
During fry 17-18 ages in days, living bait is mainly large-scale freshwater rotifer, small-sized cladocera and Copepods nauplius, Such as：The nauplius such as big individual crystal sac wheel animalcule, small individual Moina (thorniness Moina and miniature Moina), sword daphnia, use 100 mesh sieve tulles fish for collection, the sieving of 60 mesh sieve tulles, obtain the living bait between 100-60 mesh, feed 2 times, feed daily Time is 9:00、17:00, density is fed as 2-3/ml；
During fry 19-21 ages in days, living bait is mainly medium-sized cladocera and Small Copepods, such as：It is thorniness Moina, miniature Moina, the sword daphnia young, collection is fished for using 100 mesh sieve tulles, cladocera is sieved with 40 mesh sieve tulles, 80 mesh of Copepods Bolting silk net is sieved, and is obtained the living bait between 100-60 mesh, is fed daily 2 times, Feeding time 9:00、17:00, feed density For 3-4/ml；Divide pond during this period 1 time；
During fry 22-28 ages in days：Living bait is mainly large-scale cladocera and medium-sized Copepods, such as：Moina, carina Magna, Sword daphnia subadult, collection is fished for using 80 mesh sieve tulles, cladocera is sieved with 30 mesh sieve tulles, Copepods 40-60 mesh sieves Tulle sieves, and obtains the living bait between 80-30 mesh, feeds daily 2 times, Feeding time 9:00、17:00, thrown with second There is a small amount of surplus material to be defined when feeding；
During fry 29-40 ages in days, living bait is mainly large-scale cladocera and Copepods adult, such as：Moina, carina Magna, Sword daphnia adult, collection is fished for using 80 mesh sieve tulles, cladocera is sieved with 20 mesh sieve tulles, 40 mesh sieve tulles mistakes of Copepods Sieve, the living bait between 80-20 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, have during feeding for the second time Surplus material is defined on a small quantity；40-52 age in days fry total length 3.0-4.5cm, are put into pond, carry out pond summer flower nurture of fish fingerlings.No. 7 cars Between, the tail of specification knife long-tailed anchovy seed 20.48 ten thousand, survival rate 66.9% are obtained using this method.
Embodiment 2
The 5-6 months in 2017 have carried out the full artificial breeding of knife long-tailed anchovy scale in No. 5 workshops of Fengxian scientific base, using 2015 Year passes through the F3 parent of artificial breeding, through hastening parturition, natural mating fertilization, embryonated egg is obtained, using 10m3Cement pit conduct Hatching and seed cultivation pool, using low water level cloth ovum, cloth ovum density is 10000/m3, cultivated, educated using hydrostatic blowing aeration Seedling water is behind pond and cistern two-stage precipitation with the silk cover filtering of 150 mesh；0.5/m of gas exhausting stone2, aeration quantity is microwave Shape, water temperature are controlled at 24~25 DEG C；Daily plus water, filled it up with after 3 days, next change water 1/4 daily, after cloth ovum from the 6th day, daily Want the clear bottom of soil pick-up once, it is 50% to change quantity of exchanged water of water every other day, after cloth ovum from the 15th day, changes quantity of exchanged water of water every other day as 60 ~70%；Fry opening, feed series and feeding method after 5~6 days after cloth ovum：
The age in days of fry 4, addition algae water is filtered with 200 mesh sieve tulles, Micro Algae is chlorella, and transparency maintains 20- 30cm；
Fry 5-8 ages in days, living bait are mainly Brachionus angularis, and collection, 100 mesh sieves are fished for using 150 mesh sieve tulles Tulle sieves, and obtains the wheel animalcule between 150-100 mesh, feeds daily 2 times, Feeding time 9:00、16:00, maintain density 2.0-2.8 individual/ml；Supplement feeds the yolk of 100 mesh sieving, feeds daily 4 times, the time 6:00、8:00、14：00、20:00, Feeding volume is the daily 0.6-0.8 yolk of every ten thousand tails fry；Every morning supplement Micro Algae 1 time, transparency maintains 30- 40cm；
Fry 9-11 ages in days, living bait are mainly Brachionus calyciflorus, and collection, 80 mesh sieves are fished for using 150 mesh sieve tulles Tulle sieves, and obtains the wheel animalcule between 150-80 mesh, feeds daily 2 times, Feeding time 9:00、16:00, bait maintains density 3-4/ml；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm；
Fry 12-13 ages in days, living bait are mainly Branchionus urceus, and collection, 80 mesh sieves are fished for using 150 mesh sieve tulles Tulle sieves, and obtains the wheel animalcule between 150-80 mesh, feeds daily 2 times, Feeding time 9:00、17:00, bait maintains density 4-6/ml；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm；Divide pond 1 time；
Fry 14-16 ages in days, living bait are mainly crystal sac wheel animalcule, and collection, 60 mesh sieve tulles are fished for using 150 mesh sieve tulles Sieving, the wheel animalcule between 150-60 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, bait maintains density 3-4 Individual/ml；
Fry 17-18 ages in days, living bait are mainly the nauplius such as sword daphnia, and collection is fished for using 100 mesh sieve tulles, and 60 Mesh sieve tulles are sieved, and are obtained the living bait between 100-60 mesh, are fed daily 2 times, Feeding time 9:00、17:00, feed close Spend for 2-3/ml；
Fry 19-21 ages in days, living bait are mainly medium-sized cladocera, such as：Thorniness Moina, miniature Moina, using 100 Mesh sieve tulles fish for collection, are sieved with 40 mesh sieve tulles, obtain the living bait between 100-60 mesh, feed daily 2 times, when feeding Between be 9:00、17:00, density is fed as 3-4/ml；
Fry 22-28 ages in days：Living bait is mainly medium-sized Copepods, sword daphnia subadult, is fished for using 80 mesh sieve tulles Collection, sieved with 40-60 mesh sieve tulles, obtain the living bait between 80-40 mesh, feed daily 2 times, Feeding time 9:00、 17:00, have during feeding for the second time on a small quantity surplus material be defined；
Fry 29-35 ages in days, living bait are mainly large-scale cladocera and Copepods adult, such as：Moina, carina Magna, sword Daphnia adult, collection is fished for using 80 mesh sieve tulles, cladocera is sieved with 20 mesh sieve tulles, 40 mesh sieve tulles mistakes of Copepods Sieve, the living bait between 80-20 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, have during feeding for the second time Surplus material is defined on a small quantity；30-35 age in days fry total length 1.8-2.5cm, can put in a suitable place to breed in pond, carry out pond summer flower nurture of fish fingerlings.5 Number workshop, the tail of knife long-tailed anchovy seed 3.5 ten thousand, survival rate 60% are obtained using this method.
Embodiment 3
The 5-6 months in 2017 have carried out the full artificial breeding of knife long-tailed anchovy scale in No. 7 workshops of Fengxian scientific base, using 2015 Year passes through the F3 parent of artificial breeding, through hastening parturition, natural mating fertilization, embryonated egg is obtained, using 20m3Cement pit conduct Hatching and seed cultivation pool, using low water level cloth ovum, cloth ovum density is 5000/m3, cultivated using hydrostatic blowing aeration, nursery With water behind pond and cistern two-stage precipitation with the silk cover filterings of 150 mesh；1.2/m of gas exhausting stone2, aeration quantity is wavy, Water temperature is controlled at 24~25 DEG C；Daily plus water, filled it up with after 3 days, next change water 1/4 daily, after cloth ovum from the 6th day, daily Quantity of exchanged water of water once, is changed as 50% in the clear bottom of soil pick-up every other day, after cloth ovum from the 15th day, change every other day quantity of exchanged water of water for 60~ 70%；Fry opening, feed series and feeding method after 5~6 days after cloth ovum：
The age in days of fry 4, addition algae water is filtered with 200 mesh sieve tulles, Micro Algae is real ball algae, four ball algaes, and transparency is tieed up Hold in 20-30cm；
Fry 5-8 ages in days, opening stage, the endogenous vegetative phase, living bait is mainly Brachionus angularis, using 150 Mesh sieve tulles fish for collection, the sieving of 100 mesh sieve tulles, obtain the wheel animalcule between 150-100 mesh, feed 2 times daily, Feeding time For 9:00、16:00, maintain 2.0-2.8/ml of density；Supplement feeds the yolk of 100 mesh sieving, feeds daily 6 times, and the time is 6:00、8:00、11:00、14：00、17:00、20:00, feeding volume is daily 0.6 yolk of every ten thousand tails fry；Every morning mends Fill Micro Algae 1 time, transparency maintains 30-40cm；
Fry 9-11 ages in days, living bait are mainly Brachionus calyciflorus, and collection, 100 mesh sieves are fished for using 150 mesh sieve tulles Tulle sieves, and obtains the wheel animalcule between 150-100 mesh, feeds daily 2 times, Feeding time 9:00、16:00, bait remains close Spend 3-4/ml；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm；
Fry 12-13 ages in days, living bait are mainly Brachionus calyciflorus, Branchionus urceus, are dragged for using 150 mesh sieve tulles Collection is taken, the sieving of 80 mesh sieve tulles, the wheel animalcule between 150-80 mesh is obtained, feeds daily 2 times, Feeding time 9:00、17: 00, bait maintains 4-6/ml of density；Every morning supplement Micro Algae 1 time, transparency maintains 30-40cm.Embryonated egg is put in a suitable place to breed Density is 10,000/m3Seed rearing divide pond during this period 1 time；
Fry 14-16 ages in days, living bait are mainly crystal sac wheel animalcule, and collection, 60 mesh sieve tulles are fished for using 150 mesh sieve tulles Sieving, the wheel animalcule between 150-60 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, bait maintains density 3-4 Individual/ml；
Fry 17-18 ages in days, living bait are mainly large-scale freshwater rotifer, small-sized cladocera, such as：Big individual crystal sac wheel animalcule, Small individual Moina (thorniness Moina and miniature Moina), collection is fished for using 100 mesh sieve tulles, 60 mesh sieve tulles are sieved, The living bait between 100-60 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, density is fed as 2-3/ml；
Fry 19-21 ages in days, living bait are mainly Small Copepods, the sword daphnia young, are fished for and adopted using 100 mesh sieve tulles Collection, sieved with 80 mesh sieve tulles, obtain the living bait between 100-60 mesh, feed daily 2 times, Feeding time 9:00、17: 00, density is fed as 3-4/ml；Divide pond during this period 1 time；
Fry 22-28 ages in days：Living bait is mainly large-scale cladocera, such as：Moina, carina Magna, using 80 mesh sieve tulles Collection is fished for, is sieved with 30 mesh sieve tulles, the living bait between 80-30 mesh is obtained, feeds daily 2 times, Feeding time 9:00、 17:00, have during feeding for the second time on a small quantity surplus material be defined；
Fry 29-35 ages in days, living bait are mainly large-scale cladocera and Copepods adult, such as：Moina, carina Magna, sword Daphnia adult, collection is fished for using 80 mesh sieve tulles, cladocera is sieved with 20 mesh sieve tulles, 40 mesh sieve tulles mistakes of Copepods Sieve, the living bait between 80-20 mesh is obtained, is fed daily 2 times, Feeding time 9:00、17:00, have during feeding for the second time Surplus material is defined on a small quantity；30-35 age in days fry total length 2.0-3.0cm, can put in a suitable place to breed in pond, carry out pond summer flower nurture of fish fingerlings.7 Number workshop, the tail of specification knife long-tailed anchovy seed 120,000, survival rate 60% are obtained using this method.

Claims (3)

1. the feeding method of larval rearing in Coilia ectenes in Yangtze River room, when knife long-tailed anchovy embryonated egg is put in a suitable place to breed, water level is the half of full-water level, close Spend 5000-10000 grains/m3, seed rearing water temperature 24-25 degree in knife long-tailed anchovy room, it is characterized in that bait feeding method is：Fry 4 days During age, with 200 mesh sieve tulles filter addition algae water, Micro Algae be real ball algae, four ball algaes, chlorella, transparency 20-30cm； During fry 5-8 ages in days, living bait is mainly Brachionus angularis, and collection, 100 mesh sieve tulles mistakes are fished for using 150 mesh sieve tulles Sieve, the wheel animalcule between 150-100 mesh is obtained, is fed daily 2 times, Feeding time 9:00、16:00, maintain density 2.0-2.8 Individual/ml；Supplement feeds the yolk of 100 mesh sieving, feeds daily 6 times, the time 6:00、8:00、11:00、14：00、17:00、 20:00, feeding volume is the daily 0.6-0.8 yolk of every ten thousand tails fry；Every morning supplement Micro Algae 1 time, transparency 30- 40cm；During fry 9-11 ages in days, living bait is mainly Brachionus calyciflorus, and collection, 80-100 mesh are fished for using 150 mesh sieve tulles Bolting silk net is sieved, and is obtained the wheel animalcule between 150-80 mesh, is fed daily 2 times, Feeding time 9:00、16:00, bait remains close Spend 3-4/ml；Every morning supplement Micro Algae 1 time, transparency 30-40cm；During fry 12-13 ages in days, living bait is mainly calyx Flower Brachionus, Branchionus urceus, collection is fished for using 150 mesh sieve tulles, the sieving of 80 mesh sieve tulles, acquisition 150-80 mesh it Between wheel animalcule, feed daily 2 times, Feeding time 9:00、17:00, bait maintains 4-6/ml of density；Every morning supplement is single Born of the same parents algae 1 time, transparency 30-40cm；During fry 14-16 ages in days, living bait is mainly three limb wheel animalcules, crystal sac wheel animalcule, using 150 mesh Bolting silk net fishes for collection, the sieving of 60 mesh sieve tulles, obtains the wheel animalcule between 150-60 mesh, feeds daily 2 times, Feeding time 9: 00、17:00, bait maintains 3-4/ml of density；During fry 17-18 ages in days, living bait is mainly large-scale freshwater rotifer, small branch Angle class and Copepods nauplius, such as：Big individual crystal sac wheel animalcule, small individual Moina, sword daphnia nauplius, using 100 mesh Bolting silk net fishes for collection, the sieving of 60 mesh sieve tulles, obtains the living bait between 100-60 mesh, feeds daily 2 times, Feeding time is 9:00、17:00, density is fed as 2-3/ml；During fry 19-21 ages in days, living bait is mainly medium-sized cladocera and small-sized oar Sufficient class, such as：Thorniness Moina, miniature Moina, the sword daphnia young, collection, 40 mesh of cladocera are fished for using 100 mesh sieve tulles Bolting silk net is sieved, and Copepods is sieved with 80 mesh sieve tulles, is obtained the living bait between 100-60 mesh, is fed daily 2 times, when feeding Between be 9:00、17:00, density is fed as 3-4/ml；During fry 22-28 ages in days：Living bait is large-scale cladocera and medium-sized oar Sufficient class, such as：Moina, carina Magna, sword daphnia subadult, collection, 30 mesh sieve tulles of cladocera are fished for using 80 mesh sieve tulles Sieving, Copepods are sieved with 40-60 mesh sieve tulles, are obtained the living bait between 80-30 mesh, are fed daily 2 times, Feeding time is 9:00、17:00, have during feeding for the second time on a small quantity surplus material be defined；During fry 29-35 ages in days, living bait is mainly large-scale branch angle Class and Copepods adult, such as：Moina, carina Magna, sword daphnia adult, collection is fished for using 80 mesh sieve tulles, cladocera is with 20 Mesh sieve tulles are sieved, and Copepods is sieved with 40 mesh sieve tulles, are obtained the living bait between 80-20 mesh, are fed 2 times, feed daily Time is 9:00、17:00, have during feeding for the second time on a small quantity surplus material be defined；30-35 age in days fry total lengths 2.0-2.5cm is put in a suitable place to breed In pond, pond summer flower nurture of fish fingerlings is carried out.
2. the feeding method of larval rearing in Coilia ectenes in Yangtze River room according to claim 1, it is characterized in that embryonated egg is put in a suitable place to breed Density is 10,000/m3Seed, pond is divided during fry 12-13 ages in days 1 time.
3. the feeding method of larval rearing in Coilia ectenes in Yangtze River room according to claim 1, it is characterized in that embryonated egg is put in a suitable place to breed Density is 5000/m3Seed, pond is divided during fry 19-21 ages in days 1 time.
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CN104472412A (en) * 2015-01-09 2015-04-01 上海市水产研究所 Coilia ectenes step type breeding method

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CN103404472A (en) * 2013-08-29 2013-11-27 江苏中洋集团股份有限公司 Industrialized ecological cultivation method of ribbonfish
CN103891657A (en) * 2014-04-14 2014-07-02 江苏中洋集团股份有限公司 Natural propagation method for coilia ectenes
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CN112772511A (en) * 2021-01-29 2021-05-11 中国水产科学研究院淡水渔业研究中心 Artificial culture system and bait feeding method for artificial culture of hairtail

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