CN108668984A - A kind of Tilapia mossambica fry high-density transportation resources - Google Patents
A kind of Tilapia mossambica fry high-density transportation resources Download PDFInfo
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- CN108668984A CN108668984A CN201810334898.4A CN201810334898A CN108668984A CN 108668984 A CN108668984 A CN 108668984A CN 201810334898 A CN201810334898 A CN 201810334898A CN 108668984 A CN108668984 A CN 108668984A
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- tilapia mossambica
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- 241000276701 Oreochromis mossambicus Species 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 47
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 46
- 230000032258 transport Effects 0.000 claims abstract description 40
- 239000004568 cement Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 16
- 241000251468 Actinopterygii Species 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 230000013872 defecation Effects 0.000 claims abstract description 12
- 230000000855 fungicidal effect Effects 0.000 claims abstract description 11
- 239000000417 fungicide Substances 0.000 claims abstract description 11
- 230000036039 immunity Effects 0.000 claims abstract description 8
- 230000001954 sterilising effect Effects 0.000 claims abstract description 7
- 239000008399 tap water Substances 0.000 claims abstract 2
- 235000020679 tap water Nutrition 0.000 claims abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 32
- 239000001301 oxygen Substances 0.000 claims description 32
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 24
- 238000009395 breeding Methods 0.000 claims description 14
- 230000001488 breeding effect Effects 0.000 claims description 14
- 235000012255 calcium oxide Nutrition 0.000 claims description 12
- 239000000292 calcium oxide Substances 0.000 claims description 12
- 150000003568 thioethers Chemical class 0.000 claims description 12
- 241000894006 Bacteria Species 0.000 claims description 10
- 235000014220 Rhus chinensis Nutrition 0.000 claims description 8
- 240000003152 Rhus chinensis Species 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 125000000101 thioether group Chemical group 0.000 claims 2
- 238000007654 immersion Methods 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 208000015181 infectious disease Diseases 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/02—Receptacles specially adapted for transporting live fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention discloses a kind of Tilapia mossambica fry high-density transportation resources, belong to the aquaculture field of fish.It includes the following steps：(1) fry immunity is improved, the Tilapia mossambica fry hatched in 4~5 days is collected, stopping feeds feed, is put into a cement pool defecation and tempers 10~12h, then fry is transferred to packaging pond, to be installed；(2) water body disinfection is transported, transport is aerated 24~36h with water using tap water, packs preceding 10~15min in fry, addition fungicide carries out water body disinfection sterilization；(3) fry is packed, fry packaging adds the bi-layer approach of bubble chamber using oxygenation bag, fry traffic density is 8,500 9500 tails/bag, each bubble chamber is put into 2~3 oxygenation bags, it is put into 1000~1500g of ice bag between oxygenation bag, bubble chamber is controlled in transportational process, water temperature remains 23 25 DEG C.The present invention improves traffic density, to reach reduction transportation cost, improves the purpose of Tilapia mossambica transport survival rate and economic benefit by improving fry immunity, reducing the temperature in fry transportational process.
Description
Technical field
The present invention relates to Modern Fishery technical fields, and in particular to the aquaculture field of fish, more particularly to a kind of sieve
Non- fish fry high-density transportation resources.
Background technology
Tilapia mossambica originates in Africa, because having many advantages, such as that fine and tender taste is delicious, moderate, has become at present global
Cultured fishes, cultivation country has been more than 100.Guangxi is the cultivation dominant area of China Tilapia mossambica, and Tilapia mossambica is also Guang Xishui
The Variety comprehensive for producing cultivation, has formd from seed breeding to nurture of fish fingerlings, cultivation, feed, has been passed to the complete of export processing
Whole industrial chain.Guangxi possesses Tilapia mossambica breeding, advanced Tilapia mossambica seed rearing and the technical advantage formed, and Nanning is
Southwestern China area most easily channel to sea is therefore China and the important pivot of the economic association in Southeast Asia are greatly developed
With the fishery breeding scientific and technological cooperation of country in Southeast Asia, deeply implements China's opening strategy, push national Silk Road economy
Band, Maritime Silk Road construction have pushed China's fishery going global, carry out international cooperation by production, study and research etc. and all have important meaning
Justice.Agricultural trade with Guangxi and country in Southeast Asia increases, and the demand of Tilapia mossambica breeding seed is consequently increased, in Rofe
In fish growth and breeding season, it is the premise for ensureing fisheries cooperation that Tilapia mossambica fry, which is safely and efficiently transported country in Southeast Asia,.For
Shortening haulage time gradually adopts air transport pattern now other than using traditional land transport, can shorten the time but also
Tilapia mossambica breeding seedling is transported to farther country.But fry will be placed in shipping bags in transportational process, and fry density is big,
In narrow space, fish body metabolism and the decomposition of organic matter are all very fast, easily cause bacterium, bacterium algae, water quality factor, molten
It is unbalance to solve oxygen etc., causes fry dead, survival rate declines.Thus, how exploration improves fry survival rate, improves traffic density,
Reduce transportation cost transportation resources will to Tilapia mossambica breeding seedling,
Invention content
The object of the present invention is to provide a kind of Tilapia mossambica fry high-density transportation resources, this method is immune by improving fry
Temperature in power, reduction fry transportational process, improves traffic density, to reach reduction transportation cost, improves Tilapia mossambica transport and deposits
The purpose of motility rate and economic benefit.The disinfectant used in the present invention simultaneously is safe, to fry and environment without danger
Evil.
The present invention is achieved through the following technical solutions：
A kind of Tilapia mossambica fry high-density transportation resources, includes the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry (body length≤0.6cm) that hatches in 4~5 days is collected, first stops feeding feed 16~for 24 hours, is put into
Temporarily in foster cement pit；It is put into cement pit and hangs defecation in pond and take exercise, the specification of cement pit is length × width × height：20m×
8m × 1.2m is put into cement pit and hangs pond, and it is length × width × height to hang pond specification：20m × 8m × 0.5m, mesh are 80~100
The breeding water of mesh, cement pit is circulating water, and dissolved oxygen reaches 5mg/l, 6~10m of flow velocity3/h.Tilapia mossambica fry is in cement pit
Defecation and take exercise 10~12h after, by fry be transferred to packaging pond, be housed to oxygen bag；
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, water body disinfection, transport are used certainly with water before the transport of fry high density
Water is aerated 24~36h, packs preceding 10~15min in fry, addition fungicide carries out water body disinfection sterilization, usage amount 100
~130ml/m3；
Fungicide in the present invention is that thioether kills star and/or gallnut extract.As the preferred of technical solution, the fungicide
Star and gallic mixture are killed for thioether, gallnut extract is 1 according to mass volume ratio:20~40 are dissolved to obtain Chinese gall
Liquid；Then it is 4~5 to kill star with Chinese gall liquid proportioning according to thioether:1 is mixed.
(3) fry is packed
In order to keep low-temperature transport Tilapia mossambica fry, in Tilapia mossambica fry transportational process, fry packaging is added using oxygenation bag
Fry kind is fitted into oxygenation bag by the bi-layer approach of bubble chamber, and 7~8 liters of water are added in each be oxygenated in bag, and fry traffic density is
8500-9500 tails/bag, the oxygen content being oxygenated in bag is that 4~5mg/L is put into after oxygenation bag encapsulation in bubble chamber, each to steep
Foam case is put into 2~3 oxygenation bags, 1000~1500g of ice bag is put between oxygenation bag, control bubble chamber is in transportational process
In, water temperature remains 23~25 DEG C.
As the preferred of technical solution, to be that double-layer rubber is oxygenated bag, oxygenation bag specification is the oxygenation bag that the present invention uses
It is long × wide：50~54cm × 45~48cm；The specification of bubble chamber is length × width × height：50~54cm × 35~40cm × 30~
35cm。
In order to further increase the survival rate of fry, transport to after destination, fry pond-inputting processing：Transport is completed in fry
It before dispensing, carries out disinfection processing to pond first, pond disinfection will be carried out with quick lime, quick lime dosage is 40~50kg/
Mu, the full pool is uniformly splashed；Start to inject new water after pond disinfection 3d~4d, pond water inlet filters wild miscellaneous using 60 mesh mesh sheet
Fish, pond water level keep 70~80cm；Then it is linked into Tilapia mossambica fry launches pond and hangs pond (specification for hanging pond is long × wide
× high：8.0m × 2.0m × 1.0m, mesh are 60 mesh), first oxygenation bag is put into when fry pond-inputting hang impregnate 10 in pond~
20min keeps water temperature inside and outside oxygen bag consistent, just opens the sack of oxygen bag, fry is released, hangs Tilapia mossambica fry in pond and puts
It is 3000~3500 tails/m to support density3, after fry temporarily supports 4~5d in hanging pond, after fry situation stabilization, place into pond.
Beneficial effects of the present invention：
(1) fry that present invention transport uses is small, is only the hatching of birth 4~5 days, vigor is good, by germ sense
Dye is also small, while carrying out cat net exercise to them before shipping, improves the physical function of fry.
(2) each bubble chamber is put into 2 oxygenation bags, is put into ice bag 1000g between oxygen bag, bubble chamber is made to transport
In the process, water temperature remains 23-25 DEG C, and haulage time is up to 12 hour fry survival rates up to 96% or more.
(3) in order to reduce the bacterium in transport water body, star is killed using thioether to transport water body and/or gallnut extract disinfection is killed
Bacterium, the thioether in the present invention, which kills star and gallic mixture, can effectively replace the antibiotic such as conventional penicillin, avoid environment dirty
Dye and antibiotic overuse.
Specific implementation mode
The present invention is illustrated with the following example, but is not the limitation to the use scope of the present invention.
Embodiment 1
A kind of Tilapia mossambica fry high-density transportation resources, includes the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry (body length≤0.6cm) hatched in 4 days is collected, first stops feeding feed 16h, is put into temporarily foster water
In mud sump；It is put into cement pit and hangs defecation in pond and take exercise, the specification of cement pit is length × width × height：20m × 8m × 1.2m,
It is put into cement pit and hangs pond, it is length × width × height to hang pond specification：20m × 8m × 0.5m, mesh are 80 mesh, the cultivation of cement pit
It is circulating water with water, dissolved oxygen reaches 5mg/l, flow velocity 6m3/h.It, will after defecation and exercise 10h of the Tilapia mossambica fry in cement pit
Fry is transferred to packaging pond, is housed to oxygen bag.
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, water body disinfection, transport are used certainly with water before the transport of fry high density
Water is aerated for 24 hours, the 10min before fry is packed, and addition addition thioether kills star and carries out water body disinfection sterilization, usage amount 130ml/
m3；
(3) fry is packed
In order to keep low-temperature transport Tilapia mossambica fry, in Tilapia mossambica fry transportational process, fry packaging is added using oxygenation bag
Fry kind is fitted into oxygenation bag by the bi-layer approach of bubble chamber, and oxygenation bag specification is long × wide：54cm × 48cm, it is each to be oxygenated
7 liters of water are added in bag, fry traffic density is 8500-8700 tails/bag, and the oxygen content being oxygenated in bag is 4mg/L, oxygenation bag encapsulation
Later, be put into bubble chamber (specification of bubble chamber be length × width × height：54cm × 39cm × 32cm), each bubble chamber is put
Enter 3 oxygenation bags, 1000~1100g of ice bag is put between oxygenation bag, for control bubble chamber in transportational process, water temperature remains 23
~25 DEG C.
(4) fry pond-inputting is handled
It transports to after destination, before fry launches pond, carries out disinfection processing, will be carried out with quick lime to pond first
Pond disinfection, quick lime dosage are 40kg/ mus, and the full pool is uniformly splashed；Start to inject new water, pond water inlet after pond disinfection 3d
Wild trash fish is filtered using 60 mesh mesh sheet, pond water level keeps 70cm；Then it is linked into Tilapia mossambica fry launches pond and hangs pond
(specification for hanging pond is length × width × height：8.0m × 2.0m × 1.0m, mesh are 60 mesh), hang Tilapia mossambica fry breeding density in pond
For 3125 tails/m3.First oxygenation bag is put into hang when fry pond-inputting and impregnates 10min in pond, keep water temperature inside and outside oxygen bag consistent, just will
The sack of oxygen bag is opened, and fry is released, and the survival rate of fry is up to 96%.After fry temporarily supports 4~5d in hanging pond, fry is waited for
After situation is stablized, pond is placed into.
Method using the present invention, fry vigor is good, also small by germ infection, when haulage time is up to 12 hours
Fry survival rate improves 10% or more up to 96% or more, than common Rofe fry means of transportation survival rate.
Embodiment 2
A kind of Tilapia mossambica fry high-density transportation resources, includes the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry (body length≤0.6cm) hatched in 4 days is collected, first stops feeding feed 20h, is put into temporarily foster water
In mud sump；It is put into cement pit and hangs defecation in pond and take exercise, the specification of cement pit is length × width × height：20m × 8m × 1.2m,
It is put into cement pit and hangs pond, it is length × width × height to hang pond specification：20m × 8m × 0.5m, mesh are 90 mesh, the cultivation of cement pit
It is circulating water with water, dissolved oxygen reaches 6mg/l, flow velocity 6m3/h.It, will after defecation and exercise 11h of the Tilapia mossambica fry in cement pit
Fry is transferred to packaging pond, is housed to oxygen bag.
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, water body disinfection, transport are used certainly with water before the transport of fry high density
Water is aerated 30h, the 12min before fry is packed, and addition addition thioether kills star and carries out water body disinfection sterilization, usage amount 120ml/
m3；
(3) fry is packed
In order to keep low-temperature transport Tilapia mossambica fry, in Tilapia mossambica fry transportational process, fry packaging is added using oxygenation bag
Fry kind is fitted into oxygenation bag by the bi-layer approach of bubble chamber, and oxygenation bag specification is long × wide：52cm × 46cm, it is each to be oxygenated
7 liters of water are added in bag, fry traffic density is 9000-9100 tails/bag, and the oxygen content being oxygenated in bag is 5mg/L, oxygenation bag encapsulation
Later, be put into bubble chamber (specification of bubble chamber be length × width × height：52cm × 37cm × 30cm), each bubble chamber is put
Enter 3 oxygenation bags, 1200~1300g of ice bag is put between oxygenation bag, for control bubble chamber in transportational process, water temperature remains 23
~25 DEG C.
(4) fry pond-inputting is handled
It transports to after destination, before fry launches pond, carries out disinfection processing, will be carried out with quick lime to pond first
Pond disinfection, quick lime dosage are 45kg/ mus, and the full pool is uniformly splashed；Start to inject new water, pond water inlet after pond disinfection 4d
Wild trash fish is filtered using 60 mesh mesh sheet, pond water level keeps 75cm；Then it is linked into Tilapia mossambica fry launches pond and hangs pond
(specification for hanging pond is length × width × height：8.0m × 2.0m × 1.0m, mesh are 60 mesh), first oxygenation bag is put into when fry pond-inputting
It hangs and impregnates 15min in pond, keep water temperature inside and outside oxygen bag consistent, just the sack of oxygen bag is opened, fry is released, Chi Zhongluo is hung
Non- fish fry breeding density is 3200~3300 tails/m3, after fry temporarily supports 5d in hanging pond, after fry situation stabilization, then put
Enter pond.
Method using the present invention, fry vigor is good, also small by germ infection, when haulage time is up to 12 hours
Fry survival rate improves 10% or more up to 95% or more, than common Rofe fry means of transportation survival rate.
Embodiment 3
A kind of Tilapia mossambica fry high-density transportation resources, includes the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry (body length≤0.6cm) hatched in 5 days is collected, first stops feeding feed for 24 hours, is put into temporarily foster water
In mud sump；It is put into cement pit and hangs defecation in pond and take exercise, the specification of cement pit is length × width × height：20m × 8m × 1.2m,
It is put into cement pit and hangs pond, it is length × width × height to hang pond specification：20m × 8m × 0.5m, mesh are 100 mesh, and cement pit is supported
It is circulating water to grow with water, and dissolved oxygen reaches 8mg/l, flow velocity 8m3/h.After defecation and exercise 12h of the Tilapia mossambica fry in cement pit,
Fry is transferred to packaging pond, is housed to oxygen bag.
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, water body disinfection, transport are used certainly with water before the transport of fry high density
Water is aerated 36h, the 15min before fry is packed, and addition fungicide is added and carries out water body disinfection sterilization, usage amount 130ml/
m3。
Fungicide in the present invention is that thioether kills star and gallic mixture, and gallnut extract is 1 according to mass volume ratio:
40 are dissolved to obtain Chinese gall liquid；Then it is 5 to kill star with Chinese gall liquid proportioning according to thioether:1 is obtained by mixing.
(3) fry is packed
In order to keep low-temperature transport Tilapia mossambica fry, in Tilapia mossambica fry transportational process, fry packaging is added using oxygenation bag
Fry kind is fitted into oxygenation bag by the bi-layer approach of bubble chamber, and oxygenation bag specification is long × wide：54cm × 48cm, it is each to be oxygenated
8 liters of water are added in bag, fry traffic density is 9000-9500 tails/bag, and the oxygen content being oxygenated in bag is 4mg/L, oxygenation bag encapsulation
Later, be put into bubble chamber (specification of bubble chamber be length × width × height：54cm × 40cm × 35cm), each bubble chamber is put
Enter 2 oxygenation bags, 1400~1500g of ice bag is put between oxygenation bag, for control bubble chamber in transportational process, water temperature remains 23
~25 DEG C.
(4) fry pond-inputting is handled
It transports to after destination, before fry launches pond, carries out disinfection processing, will be carried out with quick lime to pond first
Pond disinfection, quick lime dosage are 50kg/ mus, and the full pool is uniformly splashed；Start to inject new water, pond water inlet after pond disinfection 4d
Wild trash fish is filtered using 60 mesh mesh sheet, pond water level keeps 80cm；Then it is linked into Tilapia mossambica fry launches pond and hangs pond
(specification for hanging pond is length × width × height：8.0m × 2.0m × 1.0m, mesh are 60 mesh), first oxygenation bag is put into when fry pond-inputting
It hangs and impregnates 20min in pond, keep water temperature inside and outside oxygen bag consistent, just the sack of oxygen bag is opened, fry is released, Chi Zhongluo is hung
Non- fish fry breeding density is 3400~3500 tails/m3, after fry temporarily supports 5d in hanging pond, after fry situation stabilization, then put
Enter pond.
Method using the present invention, fry vigor is good, also small by germ infection, when haulage time is up to 12 hours
Fry survival rate improves 10% or more up to 97% or more, than common Rofe fry means of transportation survival rate.
Embodiment 4
A kind of Tilapia mossambica fry high-density transportation resources, includes the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry (body length≤0.6cm) hatched in 5 days is collected, first stops feeding feed 20h, is put into temporarily foster water
In mud sump；It is put into cement pit and hangs defecation in pond and take exercise, the specification of cement pit is length × width × height：20m × 8m × 1.2m,
It is put into cement pit and hangs pond, it is length × width × height to hang pond specification：20m × 8m × 0.5m, mesh are 100 mesh, and cement pit is supported
It is circulating water to grow with water, and dissolved oxygen reaches 8mg/l, flow velocity 8m3/h.After defecation and exercise 11h of the Tilapia mossambica fry in cement pit,
Fry is transferred to packaging pond, is housed to oxygen bag.
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, water body disinfection, transport are used certainly with water before the transport of fry high density
Water is aerated 30h, the 15min before fry is packed, and addition fungicide is added and carries out water body disinfection sterilization, usage amount 100ml/
m3。
Fungicide in the present invention is that thioether kills star and gallic mixture, and gallnut extract is 1 according to mass volume ratio:
20 are dissolved to obtain Chinese gall liquid；Then it is 4 to kill star with Chinese gall liquid proportioning according to thioether:1 is obtained by mixing.
(3) fry is packed
In order to keep low-temperature transport Tilapia mossambica fry, in Tilapia mossambica fry transportational process, fry packaging is added using oxygenation bag
Fry kind is fitted into oxygenation bag by the bi-layer approach of bubble chamber, and oxygenation bag specification is long × wide：54cm × 48cm, it is each to be oxygenated
8 liters of water are added in bag, fry traffic density is 8500-9000 tails/bag, and the oxygen content being oxygenated in bag is 5mg/L, oxygenation bag encapsulation
Later, be put into bubble chamber (specification of bubble chamber be length × width × height：54cm × 40cm × 35cm), each bubble chamber is put
Enter 3 oxygenation bags, 1200~1300g of ice bag is put between oxygenation bag, for control bubble chamber in transportational process, water temperature remains 23
~25 DEG C.
(4) fry pond-inputting is handled
It transports to after destination, before fry launches pond, carries out disinfection processing, will be carried out with quick lime to pond first
Pond disinfection, quick lime dosage are 45kg/ mus, and the full pool is uniformly splashed；Start to inject new water, pond water inlet after pond disinfection 4d
Wild trash fish is filtered using 60 mesh mesh sheet, pond water level keeps 80cm；Then it is linked into Tilapia mossambica fry launches pond and hangs pond
(specification for hanging pond is length × width × height：8.0m × 2.0m × 1.0m, mesh are 60 mesh), first oxygenation bag is put into when fry pond-inputting
It hangs and impregnates 20min in pond, keep water temperature inside and outside oxygen bag consistent, just the sack of oxygen bag is opened, fry is released, Chi Zhongluo is hung
Non- fish fry breeding density is 3200~3300 tails/m3, after fry temporarily supports 5d in hanging pond, after fry situation stabilization, then put
Enter pond.
Method using the present invention, fry vigor is good, also small by germ infection, when haulage time is up to 12 hours
Fry survival rate improves 10% or more up to 98% or more, than common Rofe fry means of transportation survival rate.
Claims (6)
1. a kind of Tilapia mossambica fry high-density transportation resources, which is characterized in that include the following steps：
(1) fry immunity is improved
The Tilapia mossambica fry that hatches in 4~5 days is collected, first stops feeding feed 16~for 24 hours, is put into temporarily foster cement pit；
It is put into cement pit and hangs pond, the mesh for hanging pond is 80~100 mesh；The breeding water of cement pit is circulating water, dissolved oxygen up to 5~
Fry after 10~12h of defecation and exercise, is transferred to packaging pond, is housed to oxygen by 8mg/l, Tilapia mossambica fry in cement pit
Bag；
(2) water body disinfection is transported
In order to reduce the bacterium in transport water body, tap water is used with water to water body disinfection, transport before the transport of fry high density
Be aerated 24~36h, preceding 10~15min packed in fry, addition fungicide carries out water body disinfection sterilization, usage amount for 100~
130ml/m3；
(3) fry is packed
Fry packaging uses oxygenation bag to add the bi-layer approach of bubble chamber, and fry kind is fitted into oxygenation bag, and each be oxygenated in bag adds
Enter 7~8 liters of water, fry traffic density is 8500-9500 tails/bag, and the oxygen content being oxygenated in bag is 4~5mg/L, oxygenation bag encapsulation
Later, be put into bubble chamber, each bubble chamber be put into 2~3 oxygenation bags, be oxygenated bag between be put into ice bag 1000~
1500g, for control bubble chamber in transportational process, water temperature remains 23-25 DEG C.
2. Tilapia mossambica fry high-density transportation resources according to claim 1, which is characterized in that the fungicide is thioether
Kill star and/or gallnut extract.
3. Tilapia mossambica fry high-density transportation resources according to claim 1, which is characterized in that the fungicide is thioether
Star and gallic mixture are killed, gallnut extract is 1 according to mass volume ratio:20~40 are dissolved to obtain Chinese gall liquid；So
It is 4~5 to kill star with Chinese gall liquid proportioning according to thioether afterwards:1 is mixed.
4. Tilapia mossambica fry high-density transportation resources according to claim 1, which is characterized in that collect and hatch in 4~5 days
Tilapia mossambica fry, body length≤0.6cm.
5. Tilapia mossambica fry high-density transportation resources according to claim 1, which is characterized in that the oxygenation bag be double
Layer rubber is oxygenated bag, and oxygenation bag specification is long × wide：50~54cm × 45~48cm；The specification of bubble chamber is length × width × height：
50~54cm × 35~40cm × 30~35cm.
6. Tilapia mossambica fry high-density transportation resources according to claim 1, which is characterized in that it transports to after destination,
Fry pond-inputting is handled：Transport is completed before fry is launched, and is carried out disinfection processing to pond first, will be carried out pond with quick lime
Disinfection, quick lime dosage are 40~50kg/ mus, and the full pool is uniformly splashed；Start to inject new water after pond disinfection 3d~4d, pond enters
Wild trash fish is filtered in the mouth of a river using mesh sheet, and pond water level keeps 70~80cm；Then it is linked into Tilapia mossambica fry launches pond
Hang pond, oxygenation bag is first put by when fry pond-inputting hangs 10~20min of immersion in pond, keeps water temperature inside and outside oxygen bag consistent, just by oxygen
The sack of airbag is opened, and fry is released, and it is 3000~3500 tails/m to hang Tilapia mossambica fry breeding density in pond3, fry hanging
After temporarily supporting 4~5d in pond, after fry situation stabilization, pond is placed into.
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