CN108293919A - A kind of greenhouse domestication method of duckbilled fry - Google Patents
A kind of greenhouse domestication method of duckbilled fry Download PDFInfo
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- CN108293919A CN108293919A CN201710032869.8A CN201710032869A CN108293919A CN 108293919 A CN108293919 A CN 108293919A CN 201710032869 A CN201710032869 A CN 201710032869A CN 108293919 A CN108293919 A CN 108293919A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Marine Sciences & Fisheries (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The present invention relates to a kind of greenhouse domestication methods of duckbilled fry, including plastic greenhouse pond rearing and food conversion handling, wherein：A, plastic greenhouse pond rearing includes：A, plastic greenhouse pond selects；B, pond is built；C, pond treatment；D, pond is applied fertilizer；E, prepare before lower mu；F, lower mu；G, daily management.B, food conversion handling includes：A, feed request；B, feeding method.The present invention reaches heat preservation cultivation by plastic greenhouse pond, to ensure water body zooplankter early spring breeding and growth, it ensure that the natural openings bait of early stage fry will not cause a large amount of rainwater to fall into pond since rasputitsa is mutated continuous rainy weather, cause water temperature unstable, change the problems such as water body fertilizer is spent, upper and lower water-cooled alternately ensure that the mass propagation of zooplankter becomes controllable, it is possible to reduce the cultivation accident occurred due to change in weather after advanced fry pond-inputting.Meanwhile using the handling mode of food conversion so that fry neat specification, 98% or more domestication rate, 90% or more survival rate.
Description
Technical field
The present invention relates to aquacultures, refer in particular to a kind of greenhouse domestication method of duckbilled fry.
Background technology
The cultivation method of existing duckbilled fry is that native pool open-air rearing and feed throw the acclimation method for pounding the water surface mostly.Tu Tang
Open-air rearing can not be kept the temperature, also can not be in the effect of spring raising breeding water body water temperature.Feed throws the acclimation method master for pounding the water surface
If trained to 8-9 centimeters of fry with a large amount of zooplankters, evoke fry by the way that the water surface bit by bit manually is pounded in feed throwing
The desire of food is flutterred to be tamed.The disadvantages of this method has：(1) it has to early period provide a large amount of Natural Zooplankton, consume
Take a large amount of manpower and materials and occupies a large amount of water surface.(2) it needs to expend a large amount of manpower during domestication.Due to without broken
Be the good bionical effect that cannot reach for swimming in the water surface completely, domestication effect unobvious domestication rate bottom, survival rate bottom.It tames and dociles
To cage culture, very domestication rate bottom can bring huge loss, etc. to rate to cage culture again.
Invention content
The purpose of the present invention is being directed to disadvantage present in background technology and problem to be improved and innovated, a kind of duck is provided
The greenhouse domestication method of mouth fry.
The present invention includes plastic greenhouse pond rearing and food conversion handling, specific as follows：
A, plastic greenhouse pond rearing.
A, plastic greenhouse pond selects：It is required that selection ventilation faces south, area is at 1-3 mus, the convenient pond of drainage.
B, pond is built：Fish pond surrounding carries out enclosing the pool with 1 meter of high purse seine, and full pool covering is carried out with trammel net.
C, pond treatment：It carries out the solarization pool within 15-20 days before fry pond-inputting, with 300 kgs/acre of lime disinfections and thoroughly removes
Wild fishes etc..
D, pond is applied fertilizer：Add water to 50 centimeters within 10-15 days after disinfection of cleaning up the pond, before putting seedling, by 100 kilogram of animal excrement per acre
Just it applies fertilizer to the subsoil, presses 5 jin of soya beans per acre after 3-4 days again and starch full pool spilling head, continuously splash 5-9 days, water breakthrough body occurs largely with oar foot
Class be main zooplankter after add water to 1 meter or more depth.
E, prepare before lower mu：Detection water quality, mainly effective dissolved oxygen, pH value, ammonia nitrogen, nitrite, sulfurated hydrogen detection,
Indices are without exception after testing can descend seedling, and the wild weeds in the water body of the side of a pond must also be removed before lower mu.
F, lower mu：It is cultivated with zooplankter in cement pit after duckbilled fry hatching to can be elected to be after 2.5 centimeters or so
Pond-inputting fry is in plastic greenhouse pond rearing, it is necessary to select same wholesale goods neat specification, it is healthy and strong, without deformity, it is disease-free
Fry, before pond-inputting with 2% salt solution or liquor potassic permanganate dipping 3-5 minutes can direct pond-inputting, breeding density
In 25000-30000 tails/mu；The variation of the quantity of zooplankter and fry growth speed in water body are examined after pond-inputting,
Water body zooplankter total amount is begun to decline after 2-3 days generally after fry pond-inputting, while paying close attention to change of water quality, is opened in due course
Aerator.
G, daily management：The daily management of plastic greenhouse pond need to be under the premise of ensureing to keep the temperature, and fine day noon frequently divulges information.
B, food conversion handling：It is raised and train when fry reaches 4-5 centimeters and can start to make feed.
A, feed request：Select bore at 0.6 millimeter or so, based on animal protein, protein content is 42% or so
Puffing duckbilled fish special feed；Early period is being raised, 0.6 expanded pellet diet need to carried out break process with crusher, is being crushed bore
Be original 1/4 or so, about 0.15 or so close to big shape zooplankter Copepods size, broken expanded pellet diet input
It after water body water suction, state or is suspended among water body or slowly sinks, just can reach the requirement of bionical effect and bore.
B, feeding method：When fry reaches 4-5 centimeters, and zooplankter total amount is begun to decline, start to be to try to Quan Tangjun
It is even to feed, allow all fries to have the opportunity to encounter feed or have feed, feeding volume is the 30-40% of fry body total amount,
Feeding time is every 4 hours primary, since the wastage of early-stage fodder is big, can suitably launch some bacillus subtilises or light
It closes bacterium and carries out decomposition water quality；After feeding 3-5 days using the above method, a large amount of fries start after chasing bite feed, feed
Middle addition 20% or so is fed without the feed Jing Guo break process；Hereafter it slowly reduces and feeds range, between increasing is fed
Every the time and ratio of the addition without the feed Jing Guo break process is increased, gradually accomplishes all to feed normal 0.6 expanded pellet diet；
Accomplish the feeding method pinpointed at regular time and quantity, 12-15 centimeters or so can be reached substantially within 20 days or so after fry pond-inputting, so that it may with
It carries out cage culture or pond fish farming cultivates.
The greenhouse temperature is controlled in 25-35 degree in one of the embodiments,.
The aerator must install protective cover to prevent sucking or killing fry in one of the embodiments,.
Advantages of the present invention and advantageous effect：
The present invention reaches heat preservation cultivation by plastic greenhouse pond, and the cultivation of breeding water body water temperature constant temperature can be improved in spring,
To ensure breeding and growth of the water body zooplankter in early spring, it ensure that the natural openings bait of early stage fry will not be due to morning
The continuous rainy weather of spring change in weather causes a large amount of rainwater to fall into pond, causes water temperature unstable, changes the problems such as water body fertilizer is spent,
Upper and lower water-cooled alternately ensure that the mass propagation of zooplankter becomes controllable, it is possible to reduce due to weather after advanced fry pond-inputting
The cultivation accident of mutation and generation.Meanwhile using the handling mode of food conversion so that fry neat specification, domestication rate 98%
More than, 90% or more survival rate.
Specific implementation mode
It is of the invention for ease of understanding, several embodiments of the present invention are shown below.But the present invention can be with many not
With form realize, however it is not limited to embodiment described herein.Make to this on the contrary, purpose of providing these embodiments is
The disclosure of invention is more thorough and comprehensive.
Unless otherwise defined, the skill of all technical and scientific terms used herein and the technical field of the present invention
The normally understood meaning of art personnel is identical.Term used in the description is intended merely to describe specifically to implement purpose, is not
It is intended to the limitation present invention.
Embodiment 1：
It works before the pond requirement and fry pond-inputting in plastic greenhouse pond：
1, the solarization pool is carried out within 15 days before fry pond-inputting, the efficient oxidation bottom organics reduce pathogen, are used in combination 300 kgs/acre
Lime disinfection and thoroughly remove wild fishes etc..
2, fish pond surrounding carries out enclosing the pool with 1 meter of high purse seine, lays eggs to prevent this season frog pond-inputting, a large amount of frog Ke
Tadpole breeding can cause the zooplankter shortage in fish pond, and duckbilled fish fry less than that can be directly eaten by observing tadpole.
3, fish pond carries out full pool covering with the trammel net of 5 × 5m, and ichthyophagy seedling is flutterred to prevent aquatic bird, by the night an inferior horse one day of observation one
30-50 items, 5-10 centimeters of fry can be eaten.
4, fish pond is applied fertilizer, and adds water to 50 centimeters within 10 days after disinfection of cleaning up the pond, before putting seedling, by 100 kilogram of animal excrement per acre
It applies fertilizer to the subsoil, presses 5 jin of soya beans per acre after 3 days again and starch full pool spilling head, continuously splash 5 days, water breakthrough body occurs largely based on Copepods
After zooplankter, 1 meter or more depth is added water to.
5, the wild weeds in the water body of the side of a pond must be removed before pond-inputting, accidentally swum to prevent fry can't get out into thick grass it is stuck in
Face.
6, detect water quality, mainly effective dissolved oxygen, pH value, ammonia nitrogen, nitrite, sulfurated hydrogen detection, indices without
Exception can descend seedling.
7, fry pond-inputting, duckbilled fish can enter the pool after cement pit is cultivated to 2.5 centimeters or so, it is necessary to select same wholesale
Goods, neat specification, the healthy and strong fry disease-free without deformity.It 3 minutes can be straight with 2% salt solution dipping before pond-inputting
Pond-inputting is connect, breeding density is in 25000 tails/mu.
The variation of zooplankter quantity and fry growth speed in water body are examined after pond-inputting, are paid close attention to water quality and are become
Change, opens aerator in due course, aerator must install protective cover and cause damages to prevent sucking or killing fry.In fry pond-inputting 2
After it, water body zooplankter total amount is begun to decline, and fry is worked with reaching the domesticating and cultivating that 4-5 centimeters start to do feed substantially.
Plastic greenhouse pond requires ventilation to face south, and area is convenient into draining at 1 mu；The daily management of plastic greenhouse pond needs
Keep room temperature at 25 DEG C, fine day noon frequently divulges information.
Food conversion handling：
1, feed request：Bore is in 0.6 millimeter (lowest calibre currently on the market) left and right, based on animal protein, albumen
Hand fit puffing duckbilled fish special feed of the content 42% or so.Since duckbilled fish is with zooplankter under wild state
For food, zooplankter be in water body, and expanded pellet diet be swim in the water surface completely, and 4-5 centimeters fry at this time
It also is difficult to eat 0.6 feed, at this moment with regard to 0.6 expanded pellet diet is carried out break process with crusher, broken bore is original
1/4 or so, about 0.15 or so close to big shape zooplankter Copepods size, broken expanded pellet diet input water body inhales
It after water, state or is suspended among water body or slowly sinks, just can reach the requirement of bionical effect and bore.
2, feeding method：Reach 4-5 centimeters in fry, zooplankter total amount is fed when beginning to decline.Start to be to try to complete
The pool is uniformly fed, and all fries is allowed to have the opportunity to encounter feed or have feed, and feeding volume is the 30% of fry body total amount；
Since the wastage of early-stage fodder is big, suitably launches some bacillus subtilises and carry out understanding water quality；Feeding time is every 4 hours
Once.After feeding 3 days using the method, it is found that a large amount of fries go after chasing bite feed, addition 20% or so in feed is not had
Have and is fed by the feed of break process；Hereafter it slowly reduces and feeds range, increasing feeds interval time and increases and adds
The not ratio of the feed Jing Guo break process gradually accomplishes all to feed normal 0.6 expanded pellet diet.Accomplish periodically, is quantitative, fixed
Point is fed, and the method, which is fed 20 days after fry pond-inputting, reaches 12 centimeters or so.98% or more fry neat specification domestication rate,
90% or more survival rate can carry out cage culture.
Pay attention to matters：If finding that the total amount of zooplankter drastically declines early period in domestication, and fry is less open
When eating feed, the soya bean that appropriate can splash slurry cultivates zooplankter, and also can catch zooplankter in other water bodys directly adds,
Ensure that fry domestication has certain natural bait early period.
Embodiment 2：
1, the solarization pool is carried out within 18 days before fry pond-inputting, the efficient oxidation bottom organics reduce pathogen, are used in combination 300 kgs/acre
Lime disinfection and thoroughly remove wild fishes etc..
2, fish pond surrounding carries out enclosing the pool with 1 meter of high purse seine, lays eggs to prevent this season frog pond-inputting, a large amount of frog Ke
Tadpole breeding can cause the zooplankter shortage in fish pond, and duckbilled fish fry less than that can be directly eaten by observing tadpole.
3, fish pond carries out full pool covering with the trammel net of 5 × 5m, and ichthyophagy seedling is flutterred to prevent aquatic bird, by the night an inferior horse one day of observation one
30-50 items, 5-10 centimeters of fry can be eaten.
4, fish pond is applied fertilizer, and adds water to 50 centimeters in 12 days before putting seedling after disinfection of cleaning up the pond, by 100 kilogram of animal excrement per acre
It applies fertilizer to the subsoil, presses 5 jin of soya beans per acre after 4 days again and starch full pool spilling head, continuously splash 7 days, water breakthrough body occurs largely based on Copepods
After zooplankter, 1 meter or more depth is added water to.
5, the wild weeds in the water body of the side of a pond must be removed before pond-inputting, accidentally swum to prevent fry can't get out into thick grass it is stuck in
Face.
6, detect water quality, mainly effective dissolved oxygen, pH value, ammonia nitrogen, nitrite, sulfurated hydrogen detection, indices without
Exception can descend seedling.
7, fry pond-inputting, duckbilled fish can enter the pool after cement pit is cultivated to 2.5 centimeters or so, it is necessary to select same wholesale
Goods, neat specification, the healthy and strong fry disease-free without deformity, 4 minutes can with 2% liquor potassic permanganate dipping before pond-inputting
With direct pond-inputting.Breeding density is in 27000 tails/mu.
The variation of zooplankter quantity and fry growth speed in water body are examined after pond-inputting, are paid close attention to water quality and are become
Change, opens aerator in due course, aerator must install protective cover and cause damages to prevent sucking or killing fry.After fry pond-inputting
After 3 days, water body zooplankter total amount is begun to decline, and fry is worked with reaching the domesticating and cultivating that 4-5 centimeters start to do feed substantially.
Plastic greenhouse pond requires ventilation to face south, and area is convenient into draining at 2 mu；The daily management of plastic greenhouse pond needs
Keep room temperature at 32 DEG C, fine day noon frequently divulges information.
Food conversion handling：
1, feed request：Bore is in 0.6 millimeter (lowest calibre currently on the market) left and right, based on animal protein, albumen
Hand fit puffing duckbilled fish special feed of the content 42% or so.Since duckbilled fish is with zooplankter under wild state
For food, zooplankter be in water body, and expanded pellet diet be swim in the water surface completely, and 4-5 centimeters fry at this time
It also is difficult to eat 0.6 feed, at this moment with regard to 0.6 expanded pellet diet is carried out break process with crusher, broken bore is original
1/4 or so, about 0.15 or so close to big shape zooplankter Copepods size, broken expanded pellet diet input water body inhales
It after water, state or is suspended among water body or slowly sinks, just can reach the requirement of bionical effect and bore.
2, feeding method：Reach 4-5 centimeters in fry, zooplankter total amount is fed when beginning to decline.Start to be to try to complete
The pool is uniformly fed, and all fries is allowed to have the opportunity to encounter feed or have feed, and feeding volume is the 35% of fry body total amount；
Since the wastage of early-stage fodder is big, suitably launches some photosynthetic bacterias and carry out understanding water quality；Feeding time is every 4 hours one
It is secondary.After feeding 4 days using the method, it is found that a large amount of fries go after chasing bite feed, addition 20% or so in feed is not had
It is fed by the feed of break process；Hereafter it slowly reduces and feeds range, increasing, which feeds interval time and increases addition, not to be had
There is the ratio of the feed by break process, gradually accomplishes all to feed normal 0.6 expanded pellet diet.Accomplish timing, quantitative, fixed point
Feed, the method, which is fed, reaches 14 centimeters or so for 20 days after fry pond-inputting, 98% or more fry neat specification domestication rate, at
90% or more motility rate can carry out pond fish farming and cultivate.
Pay attention to matters：If finding that the total amount of zooplankter drastically declines early period in domestication, and fry is less open
When eating feed, the soya bean that appropriate can splash slurry cultivates zooplankter, and also can catch zooplankter in other water bodys directly adds,
Ensure that fry domestication has certain natural bait early period.
Embodiment 3：
1, the solarization pool is carried out within 20 days before fry pond-inputting, the efficient oxidation bottom organics reduce pathogen, are used in combination 300 kgs/acre
Lime disinfection and thoroughly remove wild fishes etc..
2, fish pond surrounding carries out enclosing the pool with 1 meter of high purse seine, lays eggs to prevent this season frog pond-inputting, a large amount of frog Ke
Tadpole breeding can cause the zooplankter shortage in fish pond, and duckbilled fish fry less than that can be directly eaten by observing tadpole.
3, fish pond carries out full pool covering with the trammel net of 5 × 5m, and ichthyophagy seedling is flutterred to prevent aquatic bird, by the night an inferior horse one day of observation one
30-50 items, 5-10 centimeters of fry can be eaten.
4, fish pond is applied fertilizer, and adds water to 50 centimeters within 15 days after disinfection of cleaning up the pond, before putting seedling, by 100 kilogram of animal excrement per acre
It applies fertilizer to the subsoil, presses 5 jin of soya beans per acre after 4 days again and starch full pool spilling head, continuously splash 7 days, water breakthrough body occurs largely based on Copepods
After zooplankter, 1 meter or more depth is added water to.
5, the wild weeds in the water body of the side of a pond must be removed before pond-inputting, accidentally swum to prevent fry can't get out into thick grass it is stuck in
Face.
6, detect water quality, mainly effective dissolved oxygen, pH value, ammonia nitrogen, nitrite, sulfurated hydrogen detection, indices without
Exception can descend seedling.
7, fry pond-inputting, duckbilled fish can enter the pool after cement pit is cultivated to 2.5 centimeters or so, it is necessary to select same wholesale
Goods, neat specification, the healthy and strong fry disease-free without deformity, 5 minutes can be straight with 2% salt solution dipping before pond-inputting
Connect pond-inputting.Breeding density is in 30000 tails/mu.
The variation of zooplankter quantity and fry growth speed in water body are examined after pond-inputting, are paid close attention to water quality and are become
Change, opens aerator in due course, aerator must install protective cover and cause damages to prevent sucking or killing fry.Generally under fry
Behind the pool after 3 days, water body zooplankter total amount is begun to decline, and fry can start to do taming and dociling for feed to reach 4-5 centimeters substantially
Change cultivation work.
Plastic greenhouse pond requires ventilation to face south, and area is convenient into draining at 3 mu；The daily management of plastic greenhouse pond needs
Keep room temperature at 34 DEG C, fine day noon frequently divulges information.
Food conversion handling：
1, feed request：Bore is in 0.6 millimeter (lowest calibre currently on the market) left and right, based on animal protein, albumen
Hand fit puffing duckbilled fish special feed of the content 42% or so.Since duckbilled fish is with zooplankter under wild state
For food, zooplankter be in water body, and expanded pellet diet be swim in the water surface completely, and 4-5 centimeters fry at this time
It also is difficult to eat 0.6 feed, at this moment with regard to 0.6 expanded pellet diet is carried out break process with crusher, broken bore is original
1/4 or so, about 0.15 or so close to big shape zooplankter Copepods size, broken expanded pellet diet input water body inhales
It after water, state or is suspended among water body or slowly sinks, just can reach the requirement of bionical effect and bore.
2, feeding method：Reach 4-5 centimeters in fry, zooplankter total amount is fed when beginning to decline.Start to be to try to complete
The pool is uniformly fed, and all fries is allowed to have the opportunity to encounter feed or have feed, and feeding volume is the 40% of fry body total amount；
Since the wastage of early-stage fodder is big, suitably launches some bacillus subtilises and carry out understanding water quality；Feeding time is every 4 hours
Once.After feeding 5 days using the method, it is found that a large amount of fries go after chasing bite feed, addition 20% or so in feed is not had
Have and is fed by the feed of break process；Hereafter it slowly reduces and feeds range, increasing feeds interval time and increases and adds
The not ratio of the feed Jing Guo break process gradually accomplishes all to feed normal 0.6 expanded pellet diet.Accomplish periodically, is quantitative, fixed
Point is fed, and the method, which is fed, reaches 15 centimeters or so for 20 days after fry pond-inputting, 98% or more fry neat specification domestication rate,
90% or more survival rate can carry out cage culture.
Pay attention to matters：If finding that the total amount of zooplankter drastically declines early period in domestication, and fry is less open
When eating feed, the soya bean that appropriate can splash slurry cultivates zooplankter, and also can catch zooplankter in other water bodys directly adds,
Ensure that fry domestication has certain natural bait early period.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Conception and scope is defined, and under the premise of not departing from design philosophy of the present invention, engineers and technicians are to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content has all been recorded in detail in the claims.
Claims (3)
1. a kind of greenhouse domestication method of duckbilled fry, it is characterised in that instructed including plastic greenhouse pond rearing and food conversion
It supports, it is specific as follows：
A, plastic greenhouse pond rearing：
A, plastic greenhouse pond selects：It is required that selection ventilation faces south, area is at 1-3 mus, the convenient pond of drainage；
B, pond is built：Fish pond surrounding carries out enclosing the pool with 1 meter of high purse seine, and full pool covering is carried out with trammel net；
C, pond treatment：It carries out the solarization pool within 15-20 days before fry pond-inputting, with 300 kgs/acre of lime disinfections and thoroughly removes wild miscellaneous
Fish etc.；
D, pond is applied fertilizer：Add water to 50 centimeters within 10-15 days after disinfection of cleaning up the pond, before putting seedling, is applied by 100 kilogram of animal excrement per acre
Base fertilizer presses 5 jin of soya beans per acre and starches full pool spilling head, continuously splashes 5-9 days, the appearance of water breakthrough body is largely with Copepods again after 3-4 days
1 meter or more depth is added water to after main zooplankter；
E, prepare before lower mu：Detect water quality, mainly effective dissolved oxygen, pH value, ammonia nitrogen, nitrite, sulfurated hydrogen detection, through inspection
It surveys that indices are without exception can descend seedling, the wild weeds in the water body of the side of a pond must also be removed before lower mu；
F, lower mu：It is cultivated with zooplankter in cement pit after duckbilled fry hatching to pond-inputting can be elected to be after 2.5 centimeters or so
Fry is in plastic greenhouse pond rearing, it is necessary to select same wholesale goods neat specification, it is healthy and strong, without deformity, disease-free fish
Seedling, before pond-inputting with 2% salt solution or liquor potassic permanganate dipping 3-5 minutes can direct pond-inputting, breeding density exists
25000-30000 tails/mu；To examine the variation of the quantity of zooplankter and fry growth speed in water body after pond-inputting, one
As water body zooplankter total amount is begun to decline after 2-3 days after fry pond-inputting, while paying close attention to change of water quality, open increasing in due course
Oxygen machine；
G, daily management：The daily management of plastic greenhouse pond need to be under the premise of ensureing to keep the temperature, and fine day noon frequently divulges information；
B, food conversion handling：It is raised and train when fry reaches 1-5 centimeters and can start to make feed；
A, feed request：Select bore at 0.6 millimeter or so, based on animal protein, protein content 42% or so it is puffing
Duckbilled fish special feed；Early period is being raised, 0.6 expanded pellet diet need to carried out break process with crusher, broken bore is former
1/4 or so, about 0.15 or so come is close to the size of big shape zooplankter Copepods, broken expanded pellet diet input water body
It after water suction, state or is suspended among water body or slowly sinks, just can reach the requirement of bionical effect and bore；
B, feeding method：When fry reaches 4-5 centimeters, and zooplankter total amount is begun to decline, start to be to try to the full pool uniformly to throw
Hello, it allows all fries to have the opportunity to encounter feed or have feed, feeding volume is the 30-40% of fry body total amount, is fed
Time is every 4 hours primary, since the wastage of early-stage fodder is big, can suitably launch some bacillus subtilises or photosynthetic thin
Bacterium carries out decomposition water quality；After feeding 3-5 days using the above method, after a large amount of fries start to chase bite feed, adding in feed
20% or so is added to be fed without the feed Jing Guo break process；Hereafter it slowly reduces and feeds range, when increasing feeds interval
Between and increase addition without the feed Jing Guo break process ratio, gradually accomplish whole feed normal 0.6 expanded pellet diet；Accomplish
The feeding method pinpointed at regular time and quantity can reach 12-15 centimeters or so in 20 days or so after fry pond-inputting substantially, so that it may to carry out
Cage culture or pond fish farming cultivate.
2. the greenhouse domestication method of duckbilled fry according to claim 1, it is characterised in that the greenhouse temperature control
In 25-35 degree.
3. the greenhouse domestication method of duckbilled fry according to claim 1, it is characterised in that the aerator must pacify
Protective cover is filled to prevent sucking or killing fry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032869.8A CN108293919A (en) | 2017-01-12 | 2017-01-12 | A kind of greenhouse domestication method of duckbilled fry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032869.8A CN108293919A (en) | 2017-01-12 | 2017-01-12 | A kind of greenhouse domestication method of duckbilled fry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108293919A true CN108293919A (en) | 2018-07-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349170A (en) * | 2018-11-15 | 2019-02-19 | 宜昌三江渔业有限公司 | A kind of artificial cultivating method of C. guichenoti |
| CN110476836A (en) * | 2019-08-15 | 2019-11-22 | 广西大学 | A method of improving Acropora heat resistance |
| CN110800654A (en) * | 2019-12-09 | 2020-02-18 | 苏州金澄福渔业科技有限公司 | Method for domesticating micropterus salmoides fingerlings in specification |
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2017
- 2017-01-12 CN CN201710032869.8A patent/CN108293919A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349170A (en) * | 2018-11-15 | 2019-02-19 | 宜昌三江渔业有限公司 | A kind of artificial cultivating method of C. guichenoti |
| CN109349170B (en) * | 2018-11-15 | 2021-08-31 | 宜昌三江渔业有限公司 | Artificial breeding method for cupfish with round mouth |
| CN110476836A (en) * | 2019-08-15 | 2019-11-22 | 广西大学 | A method of improving Acropora heat resistance |
| CN110800654A (en) * | 2019-12-09 | 2020-02-18 | 苏州金澄福渔业科技有限公司 | Method for domesticating micropterus salmoides fingerlings in specification |
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