CN105918162A - Method for culturing loach larvae - Google Patents
Method for culturing loach larvae Download PDFInfo
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- CN105918162A CN105918162A CN201610222530.XA CN201610222530A CN105918162A CN 105918162 A CN105918162 A CN 105918162A CN 201610222530 A CN201610222530 A CN 201610222530A CN 105918162 A CN105918162 A CN 105918162A
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- 239000010949 copper Substances 0.000 claims description 3
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- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
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- 244000045947 parasite Species 0.000 claims description 3
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- 239000012286 potassium permanganate Substances 0.000 claims description 3
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- 230000004083 survival effect Effects 0.000 abstract description 7
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
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- -1 4~5 mg/litre Substances 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000238017 Astacoidea Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 241001275944 Misgurnus anguillicaudatus Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
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- 229910052740 iodine Inorganic materials 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Fodder In General (AREA)
Abstract
A method for culturing loach larvae is disclosed. The method includes: 1) fishpond preparation: after the fishpond is cleaned and disinfected, a fermented organic fertilizer or a biological fertilizer is added to an inner pond and an outer pond, new water is injected into the pond, and filtering treatment and plankton culture are performed; 2) cultivation of water loach larvae: yolks, rotifers, and smashed water earthworms are fed to the water loach larvae, oxygenation of pond water is controlled, the water loach larvae are cultured for about 1 week and then grow into blank loach larvae; and (3) cultivation of the blank loach larvae, a fish mash feed with the crude protein content of 40%-50% and the water earthworms are fed to the blank loach larvae, and a puffed pellet feed with the grain size of 1.0 mm is fed to the loach larvae when the loach larvae grow into cun-size larvae. According to the method, the substrate, the water quality and a natural feed organism structure are improved, scientific feeding is performed, toxic and harmful substances such as ammonia nitrogen and nitrite in the pound are controlled, dissolved oxygen of the pound water is increased, and a plankton natural feed is increased, and in this way, the cun-size loach larvae are healthy and strong in physique, and are high in survival rate; and the diseases of the loach larvae can be reduced, and the growth of the loach larvae can be promoted.
Description
Technical field
The invention belongs to the technical field of the cultivation of Fish, mussel, crayfish, Lobster, sponge, Margarita etc., tool
Body relates to the breeding method of a kind of mud fish fry.
Background technology
Chinese snake head is the one of Misgurnus auguillicaudatus, is distributed in China middle and lower reach of Yangtze River and the island of Taiwan northwestward more
River, shoal, this kind has that growth is fast, the culture-cycle is short, and individual big, resistance against diseases is strong, and profit is empty
Between big.And fine and tender taste, delicious flavour, nutritious, rich in high protein, low fat, low cholesterol with
And multivitamin and the trace element such as VA, VB, VB2, calcium, ferrum, iodine；Additionally containing similar twenty carbon of one
The unsaturated fatty acid of penetenoic acid, has human body vascular ageing, thus is of value to old people and cardiovascular diseases
People.But the cultivating survival rate before Chinese snake head cun sheet is the lowest, the survival rate of current domestic most loach Seedling raisers
Below 30%, this is to annoying the difficult problem that loach breeding industry is fast-developing all the time, particularly restricts
Greatly develop a big bottleneck of the breeding of mature loach.
Summary of the invention
In view of this, it is an object of the invention to provide the breeding method of a kind of mud fish fry, the cultivation of this mud fish fry
Method passes through improving pond substrate, water quality, improves natural bait biological structure, science feeding bait, controls
The poisonous and harmful substances such as pond ammonia nitrogen, nitrite, improve water dissolved oxygen, increase the natural bait of plankton
The effect of material, makes Misgurni anguillicaudati cun Seedling body constitution strong, and survival rate is high, reduces mud fish fry disease, promotes that mud fish fry is fast
Fast-growing is long.
In order to achieve the above object, the breeding method of a kind of mud fish fry, its step is as follows:
1) fish pond prepares: the interior pool area cultivating spray loach Seedling is: 30～50m2, pond deep 0.6～0.8mm2。
The outer pool area cultivating the young loach Seedling of crow is 1～2 mu, pond deep 1.0～1.2m；Internally the pool uses potassium permanganate
Internally at the bottom of pond, the pool and pool wall carries out sterilization of cleaning up the pond, external pool employing quick lime and tea seed cake carry out sterilization of cleaning up the pond,
Clean up the pond after sterilization, in Nei Tang and the outer pool, apply fermentation fertilizer or bio-fertilizer, Nei Tang and the filling of the outer pool pass through
The new water filtered carries out needing Detoxified treatment and plankton to cultivate；
2) spray loach Seedling is cultivated: raised scattered by spray loach Seedling and cultivate and the interior pool of Detoxified treatment through water quality, right
In the interior pool, coolant-temperature gage carries out temperature control, makes the temperature difference not can exceed that 3～5 DEG C, and spray loach Seedling enters behind pond between-the 7 day,
Throwing something and feeding the Limnodrilus hoffmeisteri of egg yolk, wheel animalcule and pulverizing, control the oxygen supplement of water, spray loach Seedling was through about 1 week time
Cultivation, grow into black sub-loach Seedling；
3) cultivating black sub-loach Seedling: from the beginning of about the 8th day, the crow loach Seedling cultivated on the interior pool transfers to the outer pool
Cultivating, crude protein content of throwing something and feeding is 40～the fish mash feed of 50% and water silk earthworm, and regulating water quality is to disappear
Except poisonous and harmful substance, oxygen supplement to guarantee that water dissolved oxygen is sufficient, to loach fry reach cun seed time, throw something and feed
Particle diameter is the expanded pellet feed of 1.0mm, regulating water quality；
Further, loach fry diseases prevention and treatment are also included:
(1) ciliate disease: make regular check on the multiple parasitic disease in black sub-loach Seedling the most very little sheet loach Seedling stage, especially
It is protozoon class disease, mainly has the ciliate diseases such as cup worm, oblique tube insect, Trichodina, uses copper sulfate
With mixture of ferrous sulfate or use prosperous copper and the clean full pool spilling head of protozoon, can effectively kill this kind of parasite.
(2) gas bubble disease: black sub-loach Seedling grows to 1～1.5cm, as interior pool Midst density is too big, the feelings that dissolved oxygen is too high
Under condition, loach water flower Seedling is easiest to suffer from gas bubble disease, uses throw something and feed water silk earthworm, NaCl and enzyme and electrolysis multidimensional,
Add subsurface-water injection or other pond bottom water simultaneously, this disease can be made effectively to be prevented and treated.
(3) hemorrhagic disease, enteritis disease: black sub-loach Seedling to a cun sheet loach Seedling stage, loach fry commonly encountered diseases also has thin
Bacterium property hemorrhagic disease, enteritis disease, add garlicin and SANHUANGFEN in powder or SANHUANG progresses greatly to go and throws something and feeds, and
Daily accomplish when throwing something and feeding a small amount of the most repeatedly, can effectively prevent both diseases.
(4) when temperature instability, the fragrant positive air water of appropriate lotus, external simultaneously can be added in mash feed
Thioether sand star, in case fungal infection.
Further, in step 1) in, mud fish fry throw in before 5～8 days in discharge green manure 500kg/ every mu or
Muck 300kg/ every mu, and in fish pond, plant Herba Euphrasiae Regelii, plant grass area and account for the 1/3 of pond area.
Further, in step 3) in, the 1st day～5 days, the pool under black sub-mud fish fry, sprinkle slurry number of times every day and be no less than
2 times, sprinkling slurry amount is 50～80kg/ every mu, and every mu needs dry Semen Glycines 0.5～1kg altogether；Under mud fish fry the 5th day, the pool～
15 days, sprinkling slurry number of times every day no less than 2 times, sprinkling slurry amount is 70～100kg/ every mu, every mu need altogether dry Semen Glycines 1～
2kg；Under mud fish fry, the pool starts to increase throwing bean dregs, soybean cake paste or levigate distiller grains on the 11st day.
The beneficial effects of the present invention is:
1, the breeding method of mud fish fry of the present invention passes through improving pond substrate, water quality, improves natural bait raw
Thing structure, science feeding bait, control the poisonous and harmful substances such as pond ammonia nitrogen, nitrite, improve water
Dissolved oxygen, the effect of increase plankton natural bait, make Misgurni anguillicaudati cun Seedling body constitution strong, and survival rate is high, subtracts
Few mud fish fry disease, promotes mud fish fry fast-growth.
2, the breeding method of mud fish fry of the present invention can solve the problem that loach fry affects the multiple of survival rate in cultivating
Crucial technical problem, can make the cultivating survival rate of Chinese snake head seed improve and stablize more than 90%.
Detailed description of the invention
The breeding method of a kind of mud fish fry of the present invention, its step is as follows:
1) fish pond prepares: the interior pool area cultivating spray loach Seedling is: 30～50m2, pond deep 0.6～0.8mm2。
The outer pool area cultivating the young loach Seedling of crow is 1～2 mu, pond deep 1.0～1.2m；Internally the pool uses potassium permanganate
Internally at the bottom of pond, the pool and pool wall carries out sterilization of cleaning up the pond, external pool employing quick lime and tea seed cake carry out sterilization of cleaning up the pond,
Clean up the pond after sterilization, in Nei Tang and the outer pool, apply fermentation fertilizer or bio-fertilizer, Nei Tang and the filling of the outer pool pass through
The new water filtered carries out needing Detoxified treatment and plankton to cultivate, and executes in 5～8 days before mud fish fry is thrown in
Put green manure 500kg/ every mu or muck 300kg/ every mu, and in fish pond, plant Herba Euphrasiae Regelii, plant grass area and account for pond
The 1/3 of pool area；
2) spray loach Seedling is cultivated: raised scattered by spray loach Seedling and cultivate and the interior pool of Detoxified treatment through water quality, right
In the interior pool, coolant-temperature gage carries out temperature control, makes the temperature difference not can exceed that 3～5 DEG C, and spray loach Seedling enters behind pond between-the 7 day,
Throw something and feed the Limnodrilus hoffmeisteri of egg yolk, wheel animalcule and pulverizing, control the dissolved oxygen of water, 4～5 mg/litre, spray loach Seedling warp
Cross the cultivation of about 1 week time, grow into black sub-loach Seedling；
3) cultivating black sub-loach Seedling: from the beginning of about the 8th day, the crow loach Seedling cultivated on the interior pool transfers to the outer pool
Cultivating, crude protein content of throwing something and feeding is 40～the fish mash feed of 50% and water silk earthworm, and regulating water quality is to disappear
Except poisonous and harmful substance, oxygen supplement to guarantee that water dissolved oxygen is sufficient, 6～7 mg/litre, reach cun to loach fry
During seed, particle diameter of throwing something and feeding is the expanded pellet feed of 1.0mm, regulating water quality, the pool the 1st under black sub-mud fish fry
It～5 days, sprinkle slurry number of times every day no less than 2 times, and sprinkling slurry amount is 50～80kg/ every mu, need to do Huang altogether for every mu
Bean 0.5～1kg；The 5th day～15 days, the pool under mud fish fry, sprinkles slurry number of times every day and is no less than 2 times, and sprinkling slurry amount is
70～100kg/ every mu, every mu needs dry Semen Glycines 1～2kg altogether；Under mud fish fry the pool within the 11st day, start increase throw bean dregs,
Soybean cake paste or levigate distiller grains；
Further, loach fry diseases prevention and treatment are also included:
(1) ciliate disease: make regular check on the multiple parasitic disease in black sub-loach Seedling the most very little sheet loach Seedling stage, especially
It is protozoon class disease, mainly has the ciliate diseases such as cup worm, oblique tube insect, Trichodina, uses copper sulfate
With mixture of ferrous sulfate or use prosperous copper and the clean full pool spilling head of protozoon, can effectively kill this kind of parasite.
(2) gas bubble disease: black sub-loach Seedling grows to 1～1.5cm, as interior pool Midst density is too big, the feelings that dissolved oxygen is too high
Under condition, loach water flower Seedling is easiest to suffer from gas bubble disease, uses throw something and feed water silk earthworm, NaCl and enzyme and electrolysis multidimensional,
Add subsurface-water injection or other pond bottom water simultaneously, this disease can be made effectively to be prevented and treated.
(3) hemorrhagic disease, enteritis disease: black sub-loach Seedling to a cun sheet loach Seedling stage, loach fry commonly encountered diseases also has thin
Bacterium property hemorrhagic disease, enteritis disease, add garlicin and SANHUANGFEN in powder or SANHUANG progresses greatly to go and throws something and feeds, and
Daily accomplish when throwing something and feeding a small amount of the most repeatedly, can effectively prevent both diseases.
(4) when temperature instability, the fragrant positive air water of appropriate lotus, external simultaneously can be added in mash feed
Thioether sand star, in case fungal infection.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted,
Although the present invention being described in detail by above preferred embodiment, but those skilled in the art
Should be appreciated that and in the form and details it can be made various change, without departing from the present invention
Claims limited range.
Claims (4)
1. the breeding method of a mud fish fry, it is characterised in that: its step is as follows:
1) fish pond prepares: the interior pool area cultivating spray loach Seedling is: 30～50m2, pond deep 0.6～0.8m m2。
The outer pool area cultivating the young loach Seedling of crow is 1～2 mu, pond deep 1.0～1.2m；The internal pool uses at the bottom of pond, the potassium permanganate internal pool and pool wall carries out sterilization of cleaning up the pond, externally pool employing quick lime and tea seed cake carry out sterilization of cleaning up the pond, clean up the pond after sterilizing, in Nei Tang and the outer pool, apply fermentation fertilizer or bio-fertilizer, Nei Tang and the filling of the outer pool carry out needing Detoxified treatment and plankton to cultivate through the new water filtered；
2) spray loach Seedling is cultivated: raised scattered by spray loach Seedling and cultivate and the interior pool of Detoxified treatment through water quality, internally in the pool, coolant-temperature gage carries out temperature control, the temperature difference is made not can exceed that 3～5 DEG C, spray loach Seedling enters behind pond between-the 7 day, throw something and feed the Limnodrilus hoffmeisteri of egg yolk, wheel animalcule and pulverizing, controlling the oxygen supplement of water, spray loach Seedling, through the cultivation of about 1 week time, grows into black sub-loach Seedling；
3) black sub-loach Seedling is cultivated: from the beginning of about the 8th day, the crow loach Seedling cultivated on the interior pool is transferred to the outer pool and is cultivated, crude protein content of throwing something and feeding is 40～the fish mash feed of 50% and water silk earthworm, regulating water quality is to eliminate poisonous and harmful substance, oxygen supplement is to guarantee that water dissolved oxygen is sufficient, to loach fry reach cun seed time, particle diameter of throwing something and feeding is the expanded pellet feed of 1.0mm, regulating water quality.
The breeding method of mud fish fry the most according to claim 1, it is characterised in that: also include loach fry diseases prevention and treatment:
(1) ciliate disease: make regular check on the multiple parasitic disease in black sub-loach Seedling the most very little sheet loach Seedling stage, especially protozoon class disease, mainly there are the ciliate diseases such as cup worm, oblique tube insect, Trichodina, use copper sulfate and mixture of ferrous sulfate or use prosperous copper and the clean full pool spilling head of protozoon, can effectively kill this kind of parasite.
(2) gas bubble disease: black sub-loach Seedling grows to 1～1.5cm, as the biggest in interior pool Midst density, in the case of dissolved oxygen is too high, loach water flower Seedling is easiest to suffer from gas bubble disease, employing is thrown something and fed water silk earthworm, NaCl and enzyme and electrolysis multidimensional, add subsurface-water injection or other pond bottom water simultaneously, this disease can be made effectively to be prevented and treated.
(3) hemorrhagic disease, enteritis disease: black sub-loach Seedling is to a cun sheet loach Seedling stage, loach fry commonly encountered diseases also has bacterial haemorrhage disease, enteritis disease, in powder, add garlicin and SANHUANGFEN or SANHUANG progresses greatly to go and throws something and feeds, and accomplish when daily throwing something and feeding the most repeatedly, can effectively prevent both diseases.
(4) when temperature instability, the fragrant positive air water of appropriate lotus can be added in mash feed, external thioether sand star simultaneously, in case fungal infection.
The breeding method of mud fish fry the most according to claim 1, it is characterized in that: in step 1) in, discharge green manure 500kg/ every mu or muck 300kg/ every mu in before mud fish fry is thrown in 5～8 days, and in fish pond, plant Herba Euphrasiae Regelii, plant grass area and account for the 1/3 of pond area.
The breeding method of mud fish fry the most according to claim 1, it is characterised in that: in step 3) in, the 1st day～5 days, the pool under black sub-mud fish fry, sprinkle slurry number of times every day and be no less than 2 times, sprinkling slurry amount is 50～80kg/ every mu, and every mu needs dry Semen Glycines 0.5～1kg altogether；The 5th day～15 days, the pool under mud fish fry, sprinkles slurry number of times every day and is no less than 2 times, and sprinkling slurry amount is 70～100kg/ every mu, and every mu needs dry Semen Glycines 1～2kg altogether；Under mud fish fry, the pool starts to increase throwing bean dregs, soybean cake paste or levigate distiller grains on the 11st day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222530.XA CN105918162A (en) | 2016-04-13 | 2016-04-13 | Method for culturing loach larvae |
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| CN106577373A (en) * | 2016-11-09 | 2017-04-26 | 中国水产科学研究院淡水渔业研究中心 | Culture method for large-scale loach fries |
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