CN106508743A - Procypris rabaudi breeding method - Google Patents
Procypris rabaudi breeding method Download PDFInfo
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- CN106508743A CN106508743A CN201610957644.9A CN201610957644A CN106508743A CN 106508743 A CN106508743 A CN 106508743A CN 201610957644 A CN201610957644 A CN 201610957644A CN 106508743 A CN106508743 A CN 106508743A
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- 241001489464 Procypris rabaudi Species 0.000 title claims abstract description 56
- 238000009395 breeding Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 241000251468 Actinopterygii Species 0.000 claims abstract description 36
- 239000004568 cement Substances 0.000 claims abstract description 30
- 210000003608 fece Anatomy 0.000 claims abstract description 18
- 239000003337 fertilizer Substances 0.000 claims abstract description 13
- 239000010871 livestock manure Substances 0.000 claims abstract description 13
- 230000001488 breeding effect Effects 0.000 claims abstract description 6
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- 238000000034 method Methods 0.000 claims description 17
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- 241000361919 Metaphire sieboldi Species 0.000 claims description 10
- 238000006213 oxygenation reaction Methods 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 244000068988 Glycine max Species 0.000 claims description 5
- 235000010469 Glycine max Nutrition 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
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- 210000004080 milk Anatomy 0.000 claims description 5
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- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000012258 culturing Methods 0.000 claims description 2
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- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 239000002515 guano Substances 0.000 abstract 1
- 241001000394 Diaphania hyalinata Species 0.000 description 20
- 239000000463 material Substances 0.000 description 14
- 230000037396 body weight Effects 0.000 description 9
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- ZELCNSAUMHNSSU-UHFFFAOYSA-N 3,5-diamino-2-[(4-sulfamoylphenyl)diazenyl]benzoic acid Chemical compound OC(=O)C1=CC(N)=CC(N)=C1N=NC1=CC=C(S(N)(=O)=O)C=C1 ZELCNSAUMHNSSU-UHFFFAOYSA-N 0.000 description 6
- 241000252233 Cyprinus carpio Species 0.000 description 6
- DRXYRSRECMWYAV-UHFFFAOYSA-N mercury(I) nitrate Inorganic materials [Hg+].[O-][N+]([O-])=O DRXYRSRECMWYAV-UHFFFAOYSA-N 0.000 description 6
- 241001482311 Trionychidae Species 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 230000000384 rearing effect Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
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- 241001489469 Procypris Species 0.000 description 1
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- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 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)
Abstract
The invention discloses a procypris rabaudi breeding method. The procypris rabaudi breeding method comprises the following steps that 1, an outdoor cement pond is cleared and sterilized; 2, a cement pond base fertilizer is supplemented and pond water fertilizing is performed, wherein fermented cow dung or chicken manure is collected as the base fertilizer, the usage amount per mu is 200-300 kg, and 1-2 kg of biological fish guano is supplemented per mu; 3, an oxygen increase pump and a submerged pump are erected in the cement pond; 4, the water quality before stocking is detected; 5, procypris rabaudi is transferred to the pond for breeding, wherein the procypris rabaudi fry stocking density is 50-100/m<2>, the parent procypris rabaudi stocking density is 0.3-0.5 kg/m<2>, the oxygen increase pump is started for oxygen increase, the submerged pump is started to flush water so as to form a flowing water environment. The procypris rabaudi breeding method is simple, strong in operability, good in practice applicability and capable of achieving effective control and treatment of procypris rabaudi ichthyophthiriasis. A test indicates that the initial cure rate after the procypris rabaudi infects the ichthyophthiriasis is 98% or above, and the medium cure rate is up to 80%-90%.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to the cultural method of rock carp, provided by the present invention
Cultural method can effectively control the outburst of little melonworm, improve the survival rate of rock carp.
Background technology
Rock carp (Procypris rabaudi Tchang) belongs to carp subfamily, and Procypris is distributed in above the Changjiang river, Yichang and does
Stream and tributary, are a kind of demersal fishes of perch between rock seam, more with Jia Lingjiang River, Ming River and Jinsha jiang River, are now Sichuan, weigh
One of wild famous and precious economic fish on ground such as celebrating, its distributed areas is narrow, and population quantity is little.It is due to excessively capturing and environmental degradation, wild
Production-goods source increasingly depleted, by《Chinese animals on the brink of extinction Red Data Book》Easily danger species are classified as, are also to alleviate hydroelectric project to fish
Adverse effect and carry out one of important object of enhancement releasing.
In recent years, due to being affected by mankind's activities such as water resources and hydropower development and overfishings, rivers rock carp money
Source amount declines to a great extent.Therefore, multiple hydroelectric projects all auxiliary constructions fish multiplication banishes station, and has built indoor circulation water system
System, rock carp are classified as enhancement releasing object.Therefore, the research to aspects such as rock carp artificial domestication, raising technologies is increasingly subject to
Pay attention to.At present gradual perfection and maturation are raised and train and bred to rock carp parent population, but the fish parent population and fry rearing exist
Certain difficulty, when especially intensive circulation is cultivated, due to due to easily there is ich, often results in big
The death of amount, or even entire PLA's destruction.
The main method for controlling little melonworm outburst at present is to carry out killing pathogen by medicine, and little melonworm is a kind of obstinate
Property protozoan, it completes reproduction by cell division, and general medicine is difficult to kill, generally only sensitive to mercurous nitrate, to which
His medicine is substantially invalid.However, mercurous nitrate can only also kill larva and adult, the packing to being formed is invalid, treats that environment is suitable
When packing at once can release substantial amounts of larva, colonize in the body surface of fish, the gill filament even enteron aisle, cause very big to fish
Injury, needs continuous use during preventing and treating, while mercurous nitrate is a kind of very strong heavy metal chemicals of toxicity, to human body
And fish itself can all cause very big murder by poisoning, being discharged into water body can pollute to water body, be listed in prohibitive materials.
To solve the above problems, the invention provides a kind of rock carp cultural method, the method is simple, easy to operate, gram
Deficiency more than having taken, neither polluted water, also will not damage to human body and fish, and it is by the microorganism in water body
The effect for mutually suppressing, the outburst of the little melonworm of effective control can effectively improve rock carp fry rearing survival rate and maturing rate.
The content of the invention
It is to provide a kind of cultural method of rock carp that the purpose of the present invention is, the method is simple, easy to operate.In circulation
Once finding ich in water system breeding process, go in time, adopt
The outburst of ich can effectively be controlled with biological method, it is without any side effects to rock carp, improve rock carp into
Motility rate.
In order to realize above-mentioned purpose, the present invention takes technical scheme below：
A kind of cultural method of rock carp, its step is：
1) sterilization of cleaning up the pond of outdoor tank-culture：
A, selection outdoor tank-culture are culturing pool, and area is 50-200m2, depth of water 80-150cm, bottom of pond have 3-5cm thickness
Bed mud；
Intake to depth of water 10-30cm in B, cement pit, put after cement pit 2-5 hours being soaked with the potassium permanganate of 20-30ppm
Solid carbon dioxide pond, adds new water to 50cm, presses the amount full pool spilling head of 5-10ppm with strong chlorine oil；
New water is filled after C, 7-10 days and keeps water depth 80-150cm；
2) supplement and water of base manure are fostered and apply fertilizer：
A, cow dung by fermentation or chicken manure are collected as base fertilizer, every mu of consumption 200-300kg, once use sufficient；After 5-7 days
Per mu of supplementary 1-2kg biological fish manure；
Splash after B, 2-3 days the raw soya-bean milk smashed, once a day, consumption 2-3kg/ mus are continuously splashed 5-7 days；
3) erection of cement pit facility
Each cement pit configures the aerator oxygenation of 1 0.3kW, and the immersible pump of 1 0.75kW is set up in cement pit
Bath；
4) water quality detection and the temperature difference regulation and control before putting in a suitable place to breed
Pond water quality is detected before putting in a suitable place to breed, index request is as follows：PH 6.8-7.5, more than DO 4mg/L, NH4 +It is less than
0.2mg/L, NO2 -Less than 0.05mg/L, planktonic organism amount is required more than 500/mL, transparency 10-20cm, water temperature 18-28 DEG C；
5) put in a suitable place to breed
Put rock carp fry or rock carp parent population in a suitable place to breed, the breeding density of the fry is 50-100 tails/m2, the parent population
Breeding density is 0.3-0.5kg/；Aerator and immersible pump are opened, 20-24 hours are opened daily, makes in pond, to form flowing water ring
Border；Animality living bait water earthworm and artifical compound feed are fed daily, and the mass ratio that both feed is 1:1, day feeding volume is
The 0.5% of fish body body weight, is fed twice daily.
Preferably, before putting rock carp fry in a suitable place to breed, net cage is set up in described cement pit, specification is 4 × 4 × 1.0-
1.2 meters, net cage enters depth of water 80cm, rock carp fry is proceeded in net cage and is cultivated, and density is 500-1500 tails/case.
This cultural method inhibitory action mainly by the microorganism in outdoor rich water pond to little melonworm, controls little melonworm
Growth and breeding, so as to reach the purpose for the treatment of rock carp ich.
Compared with prior art, the present invention has advantages below and beneficial effect：
1) method of operating of the present invention is simple, with low cost；
2) present invention is the outburst for effectively suppressing little melonworm using biological method, and the secondary work of any poison is not resulted in fish body
With not resulting in any pollution to water body yet；
3) present invention can make little melonworm kill or come off for general 3-5 days, cure substantially within 7 days, and therapeutic effect is good, as long as sending out
In time now, survival rate can reach more than 90%.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1:
On May 15th, 2015, the domestic Jinsha jiang River middle reaches Datang kwan-yin rock power station fish multiplication of Panzhihua City in Sichuan Province
Pouring station, 10 mouthfuls of a circulation fry rearing workshop are cultivated in cylinder, and (specification 2cm is left for the rock carp fry of tail more than 10,000
It is right) ich is broken out, the fin ray of fry, body surface whole body are all covered with white point, and also parasitism has little melonworm in gill portion.Will be above-mentioned parasitism little
The rock carp fry of melonworm is divided into test group, control group 1, control group 2 and is cultivated respectively.It is specific as follows：
First, test group
The cultural method of rock carp fry, its step is：
1st, the preparation and sterilization of outdoor tank-culture
A, selection cultivated the pond of an age onychostoma simus and carp crucian, long 20m, width 5m, depth of water 1.2m, area 100m2, pond
There is the bed mud of 3cm at bottom, enters draining convenient；
B, breeded fish class in cement pit is drawn in the net to drag for away, is cleaned out, discharged unnecessary water, intake to depth of water 30cm,
Then pond is first soaked 5 hours with 20ppm potassium permanganate, cleaning and sterilizing adds new water to 50cm, with the strong chlorine of 10ppm
Progress greatly row thorough disinfection；
C, lack of toxicity after 10 days, fill new water and keep water depth 120cm or so；
2nd, the supplement and water of base manure are fostered and apply fertilizer
A, collection cow dung by fermentation are once used sufficient as base fertilizer, every mu of consumption 200kg；Per mu of supplementary day occasion after 7 days
Board biological fish manure 1kg；
B, the raw soya-bean milk smashed of splashing after 3 days, once a day, consumption 2kg/ mus are continuously splashed 5 days；
3rd, the erection of cement pit facility
A, put in a suitable place to breed before set up 2, net cage, specification be 4 × 4 × 1.0 meters, net cage enters depth of water 80cm or so, and sets up 1
0.3kW oxygen increasing pumps meet dissolved oxygen demand；
B, the immersible pump that 1 0.75kW is set up in the cement pit；
4th, water quality detection and the temperature difference regulation and control before putting in a suitable place to breed
A, put in a suitable place to breed before pond water quality is detected, testing result is：PH 7.2, more than DO 6.8mg/L, NH4 +
0.15mg/L、NO2 -0.03mg/L, planktonic organism amount are more than 500/mL, transparency 15cm；
B, the temperature of balancing tank：It is 24 DEG C first to measure cement pit water temperature, and then indoor training rock carp is educated the water temperature in pond
22 DEG C or so are adjusted to using cold-heat pump, it is ensured that indoor/outdoor temperature-difference is less than 2 DEG C；
5th, put in a suitable place to breed
After the completion of lower water temperature, temporarily supported during 6500 tail of sick fish therein is entered 1 mouthful of water mud sump and 2 mouthfuls of net cages respectively,
Cement pit puts 5000 tails in a suitable place to breed, and temporarily foster density is 50 tails/left and right, 1500 tail of net cage, cage culture density be respectively 500 tails/case,
1000 tails/case；Open aerator oxygenation and start immersible pump bath, aerator and immersible pump are opened 20 hours daily, made in pond
Or in net cage, form flowing water environment；The fresh aquatic food bait (water earthworm) and man-made feeds (first of comprehensive nutrition are fed during temporarily supporting suitably
Fish material or eel material are kneaded into dough and feed), day feeding volume for fish body body weight 0.5%, the mass ratio that both feed are 1:1, often
It feeds twice.
2nd, control group 1
The rock carp fry of 2000 tails parasitic little melonworm proceeds to outdoor clear water is pool cultivated, the specification in fishpond is long 20m, width
5m, depth 1.2m, and enter draining conveniently, bottom of pond is directly supplied water using cistern without bed mud.Enter fish pre-test water temperature and quality situation such as
Under：24 DEG C of water temperature, pH 7.2, DO 6.9, NH4 +0.1mg/L、NO2 -0.03mg/L, planktonic organism amount are less than 50/mL, transparent
Degree 45cm；The fresh aquatic food bait (water earthworm) and man-made feeds of comprehensive nutrition is suitably fed during temporarily supporting, and (soft-shelled turtle material or eel material are rubbed
Feed into dough), day feeding volume for fish body body weight 0.5%, the mass ratio that both feed are 1:1, feed daily twice.
3rd, control group 2
The rock carp fry of 2000 tails parasitic little melonworm is placed in the cycle water system of workshop, points of 2 mouthfuls cylinders carry out temporarily supporting and
Medication.Have in circulation 30 2 meters cylinder, 24 1 meter of cylinder, and intake pump 2 is installed, No. 1 back water pump 2,2
Secondary back water pump 2,1 set of rotary disc filter, oxygenation blower fan 3,1 set of ultraviolet ray disinfector, aeration tank and cold and hot pumping system, turn fish
When water quality index be：20 DEG C of water temperature, DO 7.3, pH 7.8, NH4 +0.1mg/L、NO2 -0.03mg/L, planktonic organism amount are less than
50/mL, transparency 100cm suitably feeds fresh aquatic food bait (water earthworm) and the man-made feeds (soft-shelled turtle of comprehensive nutrition during temporarily supporting
Material or eel material are kneaded into dough and feed), the mass ratio that both feed is 1:1, day feeding volume for fish body body weight 0.5%, daily
Feed twice, water, continuous use 3 days are changed within 2 hours with the mercurous nitrate immersion of 0.2ppm daily.
In test group, the mortality of second day rock carp fry is 200 tails, the 3rd day dead 100 tail or so, afterwards day by day
Reduce, dead without fry after a week, the total mortality of rock carp fry is 500 tails or so, carry out drawing in the net to examine after 15 days
Look into, fry physique healthy and strong, activity is normal, body surface and gill portion are parasitic without little melonworm, survival rate 92.3% or so.The rock of control group 1
Former carp fry, the mortality at the 3rd day reach tail more than 1600, the death rate more than 80%.Control group 2 through the medication of 3 days, extremely
The amount of dying is still in 1200 tails or so, the death rate 60% or so.
Embodiment 2:
On May 10th, 2016, the domestic Jinsha jiang River middle reaches Datang kwan-yin rock power station fish multiplication of Panzhihua City in Sichuan Province
Pouring station, in 15 mouthfuls of fry rearing cylinders in a circulation fry rearing workshop, the rock carp fry of tail more than 30,000 (the long 3cm of body
Left and right) a large amount of iches of outburst.The rock carp fry of above-mentioned parasitic little melonworm is divided into test group, control group to be supported respectively
Grow.It is specific as follows：
First, test group
The cultural method of rock carp fry, its step is：
1st, the preparation and sterilization of outdoor tank-culture
A, selection cultivated 1 mouthful of water mud sump of an age onychostoma simus and carp crucian, long 20m, width 10m, depth of water 1.5m, area
200m2, bottom of pond has the bed mud of 5cm, enters draining convenient；
B, breeded fish class in cement pit is salvaged, draining is simultaneously intake to depth of water 10cm or so, and fishpond is first used 30ppm
Potassium permanganate soaks 2 hours, and cleaning and sterilizing adds new water to 50cm, thoroughly cleaned up the pond with the strong chlorine oil of 20ppm；
C, lack of toxicity after 7 days, fill new water and keep water depth 150cm or so；
2nd, the supplement and water of base manure are fostered and apply fertilizer
A, collection chicken manure by fermentation are used as base fertilizer, every mu of consumption 250kg；Day occasion board biological fish manure is supplemented after 6 days
1.5kg；
B, the raw soya-bean milk smashed of splashing after 2 days, once a day, consumption 3kg/ mus are continuously splashed 6 days；
3rd, the erection of cement pit facility
A, put in a suitable place to breed before set up 3, net cage, specification is 4 × 4 × 1.2 meters, and net cage enters depth of water 80cm, and sets up 1 0.3kW and increase
Oxygen pump meets dissolved oxygen demand；
B, the immersible pump that 1 0.75kW is set up in the cement pit；
4th, water quality detection and the temperature difference regulation and control before putting in a suitable place to breed
A, put in a suitable place to breed before pond water quality is detected, index is as follows：PH 6.8, more than DO 4mg/L, NH4 +0.2mg/L、
NO2 -0.05mg/L, planktonic organism amount are more than 500/mL, transparency 10cm；
B, the temperature of balancing tank：It is 28 DEG C first to measure cement pit water temperature, and then indoor training rock carp is educated the water temperature in pond
26 DEG C or so are adjusted to using cold-heat pump, it is ensured that indoor/outdoor temperature-difference is less than 2 DEG C；
5th, put in a suitable place to breed
After the completion of lower water temperature, 20,000 tail of sick fish therein is proceeded in cement pit and is temporarily supported, temporarily foster density is 100 tails/m2It is left
It is right；4500 tails are proceeded in 3 net cages respectively, cage culture density is 1500 tails/case；Open aerator oxygenation and start diving
Pump impulse water, aerator and immersible pump are opened 24 hours daily, make flowing water environment is formed in pond；It is full nutrition to be fed suitably during temporarily supporting
The fresh aquatic food bait (water earthworm) in face and man-made feeds (soft-shelled turtle material or eel material are kneaded into dough and feed), both are at the mass ratio that feeds
1:1, day feeding volume is the 0.5% of fish body body weight, feeds daily twice.
2nd, control group 1
Wherein 2000 tail rock carp fries in sick fish proceed to outdoor 1 mouthful of clear water is pool cultivated, the specification in fishpond is length
20m, width 5m, depth 1.2m, bottom of pond are directly intake using cistern without bed mud, enter draining convenient.Enter fish pre-test water temperature and quality feelings
Condition is as follows：26 DEG C of water temperature, pH 7.2, DO 6.9, NH4 +0.1mg/L、NO2 -0.03mg/L, planktonic organism amount are less than 50/mL,
Transparency 45cm；Fresh aquatic food bait (water earthworm) and/or man-made feeds (soft-shelled turtle material or the eel of comprehensive nutrition are fed during temporarily supporting suitably
Fish material is kneaded into dough and feeds), the mass ratio that both feed is 1:1, day feeding volume is the 0.5% of fish body body weight, feeds two daily
It is secondary.
3rd, control group 2
The rock carp fry of 2500 tails parasitic little melonworm is placed in the cycle water system of workshop, points of 5 mouthfuls cylinders carry out temporarily supporting and
Isolation medication.2 rice cylinder 30,1 rice cylinder 24 are had in this circulation, and water inlet system is installed, 1 return water system, 2
Secondary return water system, rotary disc filter, oxygenation blower fan, ultraviolet ray disinfector, aeration tank and cold and hot pumping system, detect water quality during test
Index is：22 DEG C of water temperature, DO 7.3, pH 7.8, NH4 +0.1mg/L、NO2 -0.03mg/L, planktonic organism amount are less than 30/mL,
Transparency 100cm, suitably feeds fresh aquatic food bait (water earthworm) and man-made feeds (soft-shelled turtle material or the eel of comprehensive nutrition during temporarily supporting
Material is kneaded into dough and feeds), the mass ratio that both feed is 1:1, day feeding volume is the 0.5% of body weight, feeds daily twice, daily
Water, continuous use 3 days are changed within 2 hours with the mercurous nitrate immersion of 0.2ppm.
In test group, the mortality of second day rock carp fry is 300 tails, the 3rd day dead 150 tail or so, afterwards day by day
Reduce, dead without fry after a week, the total mortality of rock carp fry is 500 tails or so, carry out drawing in the net to examine after 15 days
Look into, fry physique healthy and strong, activity is normal, body surface and gill portion are parasitic without little melonworm, survival rate 98% or so.The rock of control group 1 is former
Carp fry, the mortality at the 3rd day reach 1400 tails or so, the death rate 70% or so.Control group 2 through the medication of 3 days, extremely
The amount of dying is still in 1000 tails or so, the death rate 40% or so.
Embodiment 3:
On April 25th, 2016, the fishpond for having rock carp parent population (parent population average individual 0.9kg) is supported in a bite of outdoor cultivation
Middle to find that substantial amounts of little melonworm is parasitic, body surface finds big portion's inflammation, existing fragmentary dead.By the rock carp of above-mentioned parasitic little melonworm
Parent population picks up totally 50 tail, is divided into test group, control group and is cultivated respectively.It is specific as follows：
First, test group
The cultural method of rock carp parent population, its step is：
1st, the preparation and sterilization of outdoor tank-culture
A, selection cultivated 1 mouthful of water mud sump of an age onychostoma simus and carp crucian, long 10m, width 5m, depth of water 0.8m, area
50m2, bottom of pond has the bed mud of 4cm, enters draining convenient；
B, breeded fish class in cement pit is salvaged, draining is simultaneously intake to depth of water 20cm or so, and fishpond is first used 25ppm
Potassium permanganate soaks 4 hours, and cleaning and sterilizing adds new water to 50cm, thoroughly cleaned up the pond with the strong chlorine oil of 8ppm；
C, lack of toxicity after 8 days, fill new water and keep water depth 80cm or so；
2nd, the supplement and water of base manure are fostered and apply fertilizer
A, collection cow dung by fermentation are once used sufficient as base fertilizer, every mu of consumption 300kg；Per mu of supplementary day occasion after 5 days
Board fish bio-fertilizer 2kg；
B, the raw soya-bean milk smashed of splashing after 3 days, once a day, consumption 3kg/ mus are continuously splashed 7 days；
3rd, the erection of cement pit facility
The immersible pump of 1 0.3kW aerator and 1 0.75kW is set up before putting in a suitable place to breed in cement pit；
4th, water quality detection and the temperature difference regulation and control before putting in a suitable place to breed
A, put in a suitable place to breed before pond water quality is detected, index is as follows：PH 7.5, more than DO 4mg/L, NH4 +0.1mg/L、
NO2 -0.04mg/L, planktonic organism amount are more than 500/mL, transparency 20cm；
B, the temperature of balancing tank:It is 18 DEG C first to measure cement pit water temperature, 18 DEG C of indoor and outdoor temperature of water temperature of indoor culture cylinder
Difference is less than 2 DEG C；
5th, put in a suitable place to breed
After the completion of lower water temperature, 23 tail of parent population therein (about 20kg) is proceeded in cement pit and temporarily supported, temporarily foster density is
0.3-0.5kg/m2, to open aerator oxygenation and start immersible pump bath, aerator and immersible pump are opened 22 hours daily, make pond
Interior formation flowing water environment；Fresh aquatic food bait (water earthworm) and man-made feeds (the heavy property particle of comprehensive nutrition is fed during temporarily supporting suitably
Material, feed brand sea are big 6602), and the mass ratio that both feed is 1:1, day feeding volume is the 0.5% of fish body body weight, feeds daily
Twice.
2nd, control group
The rock carp parent population of 20 tails parasitic little melonworm is placed in indoor cycle water system, point of 2 mouthful 3 rice cylinder carry out temporarily supporting and
Isolation medication, has 3 rice cylinder 30, and is provided with water inlet system in this circulation, 1 return water system, 2 backwater systems
System, rotary disc filter, oxygenation blower fan, ultraviolet ray disinfector, aeration tank and cold and hot pumping system, measuring water quality index is：Water temperature 18
℃、DO 7.3、pH 7.8、NH4 +0.1mg/L、NO2 -0.03mg/L, planktonic organism amount be less than 30/mL, transparency 100cm, temporarily
Foster period suitably feeds the fresh aquatic food bait (water earthworm) and man-made feeds of comprehensive nutrition, and (protein content is 40% or so heavy property
Pellet, feed brand sea are big 6602), and the mass ratio that both feed is 1:1, day feeding volume for body weight 0.5% is used daily
Water, continuous use 3 days are changed in the mercurous nitrate immersion of 0.2ppm for 2 hours.
Draw in the net after 7 days to check in test group, the little melonworm of rock carp parent population fish body comes off, the basic rehabilitation of body surface inflammation, nothing
The phenomena of mortality, survival rate 100%.According to continuous use 3 days in control group, polypide comes off substantially, but activity, poor, body of ingesting
Watch inflammation rehabilitation is slower, dead 3 tail of period parent population, survival rate 85%.
Claims (2)
1. a kind of cultural method of rock carp, its step is：
1) sterilization of cleaning up the pond of outdoor tank-culture
A, selection outdoor tank-culture are culturing pool, and area is 50-200m2, depth of water 80-150cm, bottom of pond have the thick bed muds of 3-5cm；
Intake to depth of water 10-30cm in B, cement pit, be allowed to dry water after cement pit 2-5 hours being soaked with the potassium permanganate of 20-30ppm
Pond, adds new water to 50cm, presses the amount full pool spilling head of 5-10ppm with strong chlorine oil；
New water is filled after C, 7-10 days and keeps water depth 80-150cm；
2) supplement and water of base manure are fostered and apply fertilizer
A, cow dung by fermentation or chicken manure are collected as base fertilizer, every mu of consumption 200-300kg, once use sufficient；Per mu after 5-7 days
Supplement 1-2kg biological fish manures；
Splash after B, 2-3 days the raw soya-bean milk smashed, once a day, consumption 2-3kg/ mus are continuously splashed 5-7 days；
3) erection of cement pit facility
Each cement pit configures the aerator oxygenation of 1 0.3kW, and the immersible pump bath of 1 0.75kW is set up in cement pit；
4) water quality detection and the temperature difference regulation and control before putting in a suitable place to breed
Pond water quality is detected before putting in a suitable place to breed, index request is as follows：PH 6.8-7.5, more than DO 4mg/L, NH4 +It is less than
0.2mg/L, NO2 -Less than 0.05mg/L, planktonic organism amount is required more than 500/mL, transparency 10-20cm, water temperature 18-28 DEG C；
5) put in a suitable place to breed
Put rock carp fry or rock carp parent population in a suitable place to breed, the breeding density of the fry is 50-100 tails/m2, the parent population puts in a suitable place to breed
Density is 0.3-0.5kg/；Aerator and immersible pump are opened, 20-24 hours are opened daily, makes in pond, to form flowing water environment；Often
It feeds animality living bait water earthworm and artifical compound feed, and the mass ratio that both feed is 1:1, day feeding volume is fish body body
The 0.5% of weight, is fed twice daily.
2. the cultural method of a kind of rock carp according to claim 1, it is characterised in that put in a suitable place to breed before rock carp fry in institute
Net cage is set up in the cement pit stated, specification is 4 × 4 × 1.0-1.2 rice, rock carp fry is proceeded in net cage and is cultivated, and density is
500-1500 tails/case.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110178762A (en) * | 2019-06-17 | 2019-08-30 | 江西省水产科学研究所 | A kind of artificial tame and docile food method of wild Wen Minnow |
| CN111972324A (en) * | 2020-09-10 | 2020-11-24 | 四川律贝生物科技有限公司 | Breeding and artificial propagation method of schizothorax prenanti |
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| CN104642211A (en) * | 2013-11-19 | 2015-05-27 | 湖北省水产科学研究所 | Artificial breeding method for procypris rabaudi |
| WO2015093616A1 (en) * | 2013-12-20 | 2015-06-25 | 独立行政法人水産総合研究センター | Method and device for raising eel larvae |
| CN106035142A (en) * | 2016-05-30 | 2016-10-26 | 铜陵东晟生态农业科技有限公司 | Procypris rabaudi cultivation method |
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| CN104642211A (en) * | 2013-11-19 | 2015-05-27 | 湖北省水产科学研究所 | Artificial breeding method for procypris rabaudi |
| WO2015093616A1 (en) * | 2013-12-20 | 2015-06-25 | 独立行政法人水産総合研究センター | Method and device for raising eel larvae |
| CN203985580U (en) * | 2014-08-04 | 2014-12-10 | 佛山市南海通威水产科技有限公司 | A kind of former carp of rock and channel catfish mixed breed system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110178762A (en) * | 2019-06-17 | 2019-08-30 | 江西省水产科学研究所 | A kind of artificial tame and docile food method of wild Wen Minnow |
| CN111972324A (en) * | 2020-09-10 | 2020-11-24 | 四川律贝生物科技有限公司 | Breeding and artificial propagation method of schizothorax prenanti |
| CN111972324B (en) * | 2020-09-10 | 2022-02-22 | 四川律贝生物科技有限公司 | Breeding and artificial propagation method of schizothorax prenanti |
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