CN107372222A - A kind of cultural method of medicinal loach - Google Patents

A kind of cultural method of medicinal loach Download PDF

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Publication number
CN107372222A
CN107372222A CN201710730049.6A CN201710730049A CN107372222A CN 107372222 A CN107372222 A CN 107372222A CN 201710730049 A CN201710730049 A CN 201710730049A CN 107372222 A CN107372222 A CN 107372222A
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culturing pool
loach
water
cultural
electric
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CN107372222B (en
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何亮
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何亮
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/20Animal feeding-stuffs from material of animal origin
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/20Animal feeding-stuffs from material of animal origin
    • A23K10/22Animal feeding-stuffs from material of animal origin from fish
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/20Animal feeding-stuffs from material of animal origin
    • A23K10/26Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/80Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

The invention discloses a kind of cultural method of medicinal loach, it comprises the following steps:1) construction of culturing pool, the culturing pool cross section are square, and the culturing pool includes core wall, unilateral gate, rotifer breeding ponds, blowdown hole, waterwheel aerator;Dissolve oxygen detector;2) sterilization of the culturing pool;3) water is educated at training bottom, is applied decomposed excrement and wormcast into the culturing pool, inoculation chlorella, small ring algae and photosynthetic bacteria, is cultivated 15~20 days;4) loach fry and wheel animalcule larva are put in a suitable place to breed;5) feeding management, mixed fodder is made first, loach seedling respectively feeds once the mixed fodder in the morning, afternoon and evening daily after launching 2~3 days, lasting cultivation, obtains the loach.The loach breeding method of the present invention has discharges without aquaculture wastewater, and feedstuff feeding amount is few, rich in iron and the features such as I.

Description

A kind of cultural method of medicinal loach
Technical field
The present invention relates to the cultural method of loach, belong to technical field of aquaculture.
Background technology
Loach as a kind of famous-particular-excellent freshwater fish, not only high protein, low fat, it is nutritious the features such as, and meat Fresh and tender, delicious flavour, it is deep to be welcome by market.Therefore, the intensive culture of loach is increasingly favored by aquatic product enterprise.So And traditional cultural method has the shortcomings of quantity of wastewater effluent is big, and efficiency of feed utilization is not high, and loach iron content is not high.
The content of the invention
Discharged the technical problem to be solved in the present invention is to provide one kind without aquaculture wastewater, feedstuff feeding amount is few, and loach iron contains Measure high loach breeding method.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:A kind of medicinal loach is supported Method is grown, it comprises the following steps:
1) construction of culturing pool, the culturing pool cross section are square, and the culturing pool includes:
Core wall, it is located among the culturing pool so that the culturing pool is separated into left region and two, right region part, Space is left between the pool wall of the both ends of the core wall and the culturing pool so that the left region and right regional connectivity, make to support Growing the water in pond can circulate;
Unilateral gate, it is equipped with to the space, and the unilateral gate is network structure, and the one side of the unilateral gate protrudes Formed taper tip, it is described tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, in list Mesh bag on to the tip sleeve of door, it can realize and quickly catch loach;
Rotifer breeding ponds, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Bottom plate is equipped with, is provided with the filter screen and escapes from hole, the size for escaping from hole is 0.5~1mm, makes the wheel in rotifer breeding ponds Worm can enter culturing pool by escaping from hole;
Blowdown is cheated, and it is arranged on the culturing pool bottom, and the bottom in the blowdown hole is provided with mudhole, the mudhole and Blow-off pipe connects, and can effectively accumulate sludge by blowdown hole, ensure the length of breeding water body water quality by regularly extracting sludge Phase is stable;Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch;
2) sterilization of the culturing pool, the deep water of 70~90cm is injected into the culturing pool, ozone is passed through and carries out disinfection, Pathogenic microorganism or fish-egg etc. are killed;
3) water is educated at training bottom, applies decomposed excrement and wormcast into the culturing pool, is inoculated with chlorella, small ring algae and photosynthetic Bacterium, cultivate 15~20 days;
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 5~6cm of body high-quality kind Seedling, 5~10min is soaked using 4%~5% saline solution, is selected in put the culturing pool in a suitable place to breed in the morning of fine day, toward wheel animalcule Inoculating rotifer larva in culture pond;
5) feeding management, is made mixed fodder first, and loach seedling is respectively fed once in the morning, afternoon and evening daily after launching 2~3 days The mixed fodder, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is high When 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Preferably, the pond depth of the culturing pool is 100~120cm, and the area of the rotifer breeding ponds accounts for the cultivation Pool area is 15%~25%, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom sludge are 30~40cm, described The mesh number of filter screen is 300~350 mesh.In culturing pool, addition rotifer breeding ponds cultivation wheel animalcule, microalgae is ingested by wheel animalcule Effect can promote the algae in water body to update, and the algae of directive breeding is kept more vigorous growth rate, reduce harmful microalgae Growing space.
Preferably, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 3mg/L, to electric-controlled switch output first Signal, makes the electric-controlled switch start waterwheel aerator work, and the dissolving oxygen detector detects water-bed dissolved oxygen and is more than During 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel aerator work.Pass through dissolved oxygen Detector monitors and regulates and controls the oxygen concentration of culturing pool bottom in real time, the dissolved oxygen in culturing pool water body is in all the time higher Level, avoid water quality deterioration caused by water hypoxia or damaged caused by anoxic is to loach body.
Preferably, the one or more in cow dung, pig manure, chicken manure and sheep manure are mixed with stalk, the weight ratio of mixing For 2~3:1,5%~10%EM microbial inoculums are inoculated with, fermentation obtains decomposed excrement after 20~30 days;By cow dung, pig manure, chicken manure, sheep manure In one or more with manioc waste mixed breed earthworm after obtain the wormcast.Excrement is rotten by EM bacteria agent fermentation with stalk After ripe, the multiple beneficial microorganism such as cellulose-decomposing bacteria, protein decomposing dacteria, saccharomycete, photosynthetic bacteria, lactic acid bacteria and deodorization bacterium and Containing abundant organic matter and N P and K etc., substantial amounts of natural bait is suitably cultivated, such as zooplankter and beneficial algae, so as to subtract The quantity of few Manual material feeding, the survival rate of putting in a suitable place to breed of loach is improved, contains substantial amounts of stalk in decomposed excrement, makes the silt at culturing pool bottom Mud is more loose, avoid because of mud anoxic and caused by harmful substance.
Preferably, the cell density ratio of the chlorella, small ring algae and photosynthetic bacteria is 10~20:15~20:20~ 30.By directive breeding microalgae, the status for the population that can make to have the advantage beneficial to microalgae, the outburst of harmful microalgae is avoided.
Preferably, in step 4), the number that the wheel animalcule larva is inoculated with the rotifer breeding ponds is 30~50/L. It is inoculated with appropriate number of wheel animalcule to be advantageous to control the microalgae density in water, avoids the aging of microalgae, microalgae is remained preferable The growth impetus.
Preferably, the mixed fodder includes the raw material of following parts by weight:5~10 parts of Kelp Powder, 20~30 parts of maggot powder, 4~8 parts of chlorella powder, 10~20 parts of corn flour, 3~5 parts of wheat bran, 0.5~1 part of vitamin c, 2~4 parts of allicin and two Guangdong are yellow 2~3 parts of wingceltis;Above-mentioned raw materials are well mixed and obtain the mixed fodder.Arranged in pairs or groups by animal fodder and plant feed, Nutrition is balanced, and chlorella and vitamin c are added in feed, can promote absorption of the loach to ferro element in Kelp Powder and I Utilizing, and improve the content of the unrighted acid in loach, allicin is added in feed can promote digesting and assimilating for loach, Strengthen the immunity of loach, addition Lignum Dalbergiae benthamii can strengthen loach and saprolegniasis, enteritis disease and parasitic disease are immunized in feed Power.
Preferably, the autogamy feedstuff feeding amount is the 2.5%~3.5% of loach weight.Appropriate feed injected volume Both the nutritional need of loach growth had been met, water body caused by it also avoid feeding volume surplus deteriorates.
The present invention comprises at least following beneficial effect:Rotifer breeding ponds raising wheel animalcule is added in culturing pool, passes through wheel animalcule Microalgae of ingesting and organic debris, the material conversion in culturing pool is effectively facilitated, in culturing pool, microorganism is by organic matter decomposition Inorganic salts are converted into, inorganic salts are absorbed by microalgae, and the wheel animalcule that microalgae is cultivated ingests, then ingest wheel animalcule by thing by loach Matter is transferred in loach, improves material utilization;A large amount of beneficial microbes present in decomposed excrement and wormcast its can and When by the excrement of remaining bait and loach decompose, water quality deterioration caused by a large amount of accumulations of organic matter is avoided, by periodically taking out Except the mud in blowdown hole realizes automatically updating for benthic microorganism, the stronger organic matter capacity of decomposition of microorganism is kept, so as to real The zero-emission of existing breeding wastewater;It can promote digesting and assimilating for loach by adding allicin in feed, improve the utilization of feed Rate;By adding Lignum Dalbergiae benthamii in feed, immune resistance of the loach to saprolegniasis, enteritis disease and parasitic disease etc. can be strengthened Power.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the culturing pool of the cultural method of medicinal loach of the present invention.
1 culturing pool;2 core walls;3 rotifer breeding ponds;4 blowdowns are cheated;5 waterwheel aerators;6 unilateral gates.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
Embodiment 1
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 are square, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Bottom plate is equipped with, is set on the filter screen and escapes from hole, the size for escaping from hole is 1mm;
Blowdown hole 4, it is arranged on the culturing pool bottom, and the bottom in the blowdown hole is provided with mudhole, the mudhole Connected with blow-off pipe, sludge can effectively be accumulated by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge Steadily in the long term;
Waterwheel aerator, the water circulation of culturing pool is driven to flow, it is ensured that the dissolved oxygen in culturing pool is maintained at higher Level;Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch.
2) sterilization of the culturing pool, the deep water of 90cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, will Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, applies decomposed excrement and wormcast into the culturing pool, is inoculated with chlorella, small ring algae and photosynthetic Bacterium, cultivate 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds Kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds once described in the morning, afternoon and evening daily after launching 3 days Mixed fodder, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than During 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Embodiment 2
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 120cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch.
2) sterilization of the culturing pool, the deep water of 90cm is injected into the culturing pool, ozone is passed through and carries out disinfection, by disease Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, applies decomposed excrement and wormcast into the culturing pool, is inoculated with chlorella, small ring algae and photosynthetic Bacterium, cultivate 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 5min is soaked using 5% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is inoculated with into rotifer breeding ponds Wheel animalcule larva.
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds once described in the morning, afternoon and evening daily after launching 3 days Mixed fodder, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than During 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Embodiment 3
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.
2) sterilization of the culturing pool, the deep water of 70cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, will Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, applies decomposed excrement and wormcast into the culturing pool, is inoculated with chlorella, small ring algae and photosynthetic Bacterium, cultivate 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds Kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds once described in the morning, afternoon and evening daily after launching 3 days Mixed fodder, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than During 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Embodiment 4
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.
2) sterilization of the culturing pool, the deep water of 70cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, will Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, and cow dung is mixed with stalk, and the weight ratio of mixing is 2:1,5%EM microbial inoculums are inoculated with, are fermented 30 days, Decomposed excrement is obtained, the wormcast will be obtained after cow dung and manioc waste mixed breed earthworm, apply institute into the culturing pool Decomposed excrement and the wormcast are stated, inoculation chlorella, small ring algae and photosynthetic bacteria, is cultivated 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds Kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds mixed once in the morning, afternoon and evening daily after launching 3 days Feed, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than 20cm When, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Excrement and stalk after EM bacteria agent fermentation maturity, cellulose-decomposing bacteria, protein decomposing dacteria, saccharomycete, photosynthetic bacteria, The multiple beneficial such as lactic acid bacteria and deodorization bacterium microorganism and containing abundant organic matter and N P and K etc., suitably cultivates substantial amounts of day Right bait, such as planktonic organism and beneficial algae, so as to reduce the quantity of Manual material feeding, the survival rate of putting in a suitable place to breed of loach is improved, it is decomposed Contain substantial amounts of stalk in excrement, make the mud at culturing pool bottom more loose, avoid because of mud anoxic and caused by harmful substance.
Embodiment 5
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.
2) sterilization of the culturing pool, 70cm water is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, by disease Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, and cow dung is mixed with stalk, and the weight ratio of mixing is 2:1,5%EM microbial inoculums are inoculated with, are fermented 30 days, Decomposed excrement is obtained, the wormcast will be obtained after cow dung and manioc waste mixed breed earthworm, apply institute into the culturing pool Decomposed excrement and the wormcast are stated, inoculation quality ratio is 10:15:20 chlorella, small ring algae and photosynthetic bacteria, cultivate 20 My god.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds Kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds mixed once in the morning, afternoon and evening daily after launching 3 days Feed, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than 20cm When, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
Embodiment 6
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.
2) sterilization of the culturing pool, the deep water of 70cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, will Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, and cow dung is mixed with stalk, and the weight ratio of mixing is 2:1,5%EM microbial inoculums are inoculated with, are fermented 30 days, Decomposed excrement is obtained, the wormcast will be obtained after cow dung and manioc waste mixed breed earthworm, apply institute into the culturing pool Decomposed excrement and the wormcast are stated, inoculating cell density ratio is 20:15:30 chlorella, small ring algae and photosynthetic bacteria, cultivate 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds 50/L of kind wheel animalcule larva.
5) feeding management, Kelp Powder, maggot powder, chlorella powder, corn flour, wheat bran and vitamin C is well mixed, mixed Feed is closed, loach seedling respectively feeds mixed once feed in the morning, afternoon and evening daily after launching 3 days, past when water colour transparency is less than 10cm Wheel animalcule larva is launched in the rotifer breeding ponds, when water colour transparency is higher than 20cm, decomposed excrement is added into the culturing pool With wormcast, lasting cultivation, the medicinal loach is obtained.
Embodiment 7
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.
2) sterilization of the culturing pool, the deep water of 70cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection, will Pathogenic microorganism or fish-egg etc. kill.
3) water is educated at training bottom, and cow dung is mixed with stalk, and the weight ratio of mixing is 2:1,5%EM microbial inoculums are inoculated with, are fermented 30 days, Decomposed excrement is obtained, the wormcast will be obtained after cow dung and manioc waste mixed breed earthworm, apply institute into the culturing pool Decomposed excrement and the wormcast are stated, inoculating cell density ratio is 20:15:30 chlorella, small ring algae and photosynthetic bacteria, cultivate 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds 50/L of kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and the mixed fodder includes the raw material of following parts by weight:Kelp Powder 5 ~10 parts, 20~30 parts of maggot powder, 4~8 parts of chlorella powder, 10~20 parts of corn flour, 3~5 parts of wheat bran, 0.5~1 part of vitamin c 2~3 parts of 2~4 parts of allicin and Lignum Dalbergiae benthamii, by the well mixed acquisition mixed fodder of above-mentioned raw materials, loach seedling launches 3 Mixed once feed is respectively fed in the morning, afternoon and evening daily after it, when water colour transparency is less than 10cm, is launched into the rotifer breeding ponds Wheel animalcule larva, when water colour transparency is higher than 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtained Obtain the medicinal loach.
To be arranged in pairs or groups by animal fodder and plant feed, nutrition is balanced, and chlorella and vitamin c are added in feed, Loach can be promoted to absorb ferro element in Kelp Powder and I, and improve containing for the unrighted acid in loach Measure, addition allicin can promote digesting and assimilating for loach in feed, strengthen the immunity of loach, Lignum Dalbergiae benthamii energy is added in feed Strengthen immunity of the loach to saprolegniasis, enteritis disease and parasitic disease.
Embodiment 8
A kind of cultural method of medicinal loach, it comprises the following steps:
1) construction of culturing pool 1, the cross section of culturing pool 1 is square, and the depth of culturing pool is 100cm, the cultivation Pond 1 includes:
Core wall 2, it is located among the culturing pool 1 so that the culturing pool is separated into left region and two, right region portion Point, space is left between the pool wall of the core wall 2 and the culturing pool 1 so that the left region and right regional connectivity, make to support Growing the water in pond 1 can circulate;
Unilateral gate 6, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate is dashed forward Go out to form the tip of taper, the tip be provided with for loach pass through by hole, upstream characteristic is had according to loach, Mesh bag in the tip sleeve of unilateral gate, it can realize and quickly catch loach;
Rotifer breeding ponds 3, it is the independent cultivation section that filter screen is irised out in the culturing pool, and the bottom of the filter screen is set Be equipped with bottom plate, set on the filter screen it is some escape from hole, wheel animalcule 3 is escaped from from hole is escaped from into culturing pool 1, also cause cultivation Microalgae in pond 1 is easier to enter rotifer breeding ponds 3, and the size for escaping from hole is 1mm, the area of the rotifer breeding ponds 3 It is 15% to account for the area of culturing pool 1, and the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30cm;
Blowdown hole 4, its its be arranged on the culturing pool bottom, the bottom in the blowdown hole is provided with mudhole, the blowdown Hole connects with blow-off pipe, can effectively accumulate sludge by blowdown hole 4, ensure breeding water body water quality by regularly extracting sludge It is steady in a long-term;
Waterwheel aerator, it is arranged in the culturing pool, drives the water circulation of culturing pool to flow, it is ensured that culturing pool In dissolved oxygen be maintained at higher level;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector connects with electric-controlled switch electric signal Connect, the start and stop of the waterwheel aerator are controlled by electric-controlled switch, the dissolving oxygen detector detects water-bed dissolved oxygen and is less than During 3mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work, the dissolved oxygen When the water-bed dissolved oxygen of detector detection is more than 5mg/L, secondary signal is exported to electric-controlled switch, the electric-controlled switch is stopped waterwheel Formula aerator works.2) sterilization of the culturing pool, the deep water of 70cm is injected into the culturing pool, Ozone Water is passed through and is disappeared Poison, pathogenic microorganism or fish-egg etc. are killed.
3) water is educated at training bottom, and cow dung is mixed with stalk, and the weight ratio of mixing is 2:1, inoculation quality fraction is 5%EM bacterium Agent, ferment 30 days, obtain decomposed excrement, the wormcast will be obtained after cow dung and manioc waste mixed breed earthworm, supported toward described Grow and apply the decomposed excrement and the wormcast in pond, inoculation quality ratio is 20:15:30 chlorella, small ring algae and light Bacterium is closed, is cultivated 20 days.
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 6cm of body high quality seedling, 10min is soaked using 4% saline solution, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is connect into rotifer breeding ponds 50/L of kind wheel animalcule larva.
5) feeding management, is made mixed fodder first, and the mixed fodder includes the raw material of following parts by weight:Kelp Powder 5 ~10 parts, 20~30 parts of maggot powder, 4~8 parts of chlorella powder, 10~20 parts of corn flour, 3~5 parts of wheat bran and vitamin c 0.5~1 Part, 2~4 parts of allicin and the mixing of 2~3 parts of Lignum Dalbergiae benthamii obtain mixed fodder, loach seedling launch 3 days after daily in the morning, afternoon and evening Mixed once feed is respectively fed, each feeding volume is the 2.5% of loach gross weight, when water colour transparency is less than 10cm, toward institute State in rotifer breeding ponds dispensing wheel animalcule larva, when water colour transparency be higher than 20cm, added into the culturing pool decomposed excrement and Wormcast, lasting cultivation, obtains the medicinal loach.
Embodiment 9
Contrast experiment 1, and the loach of experimental group cultivates according to the method described in embodiment 8;The loach of control group 1 is according to implementation Method cultivation described in example 8, but Kelp Powder is not added in feed;The loach of control group 2 is supported according to the method described in embodiment 8 Grow, but chlorella is not added in feed;The loach of control group 3 cultivates according to the method described in embodiment 8, but in feed not Add vitamin c.The loach that size is more or less the same is selected, 100g loach meats are weighed in same area, detection unrighted acid, I and iron content, it is as a result as shown in the table:
Unrighted acid (mg) Iodine (mg) Iron (mg)
Control group 1 113.2 0.02 2.4
Control group 2 56.8 6.2 36.1
Control group 3 120.1 8.2 18.9
Experimental group 122.9 12.5 57.8
It was found from upper table result, the content of iodine and iron in loach is relatively low, and experimental group is compared with control group 1, experimental group Feed in add Kelp Powder, illustrate that Kelp Powder is added in feed significantly improves I content and ferro element in loach Content, the I content of experimental group improve 6.3mg than the I content of control group 2, and the I than control group 3 improves 4.3mg, illustrate that chlorella and vitamin c are added in feed can promote absorption of the loach to I;Experimental group is with compareing Group 2 is compared, and adds chlorella powder in the feed of experimental group, and the unsaturated fatty acid content in loach about improves 1.2 times, explanation Addition chlorella can effectively improve the unsaturated fatty acid content in loach in feed;Experimental group and control group 2, control group 3 Compare, add chlorella in the feed of experimental group and vitamin c, the iron content of experimental group contain than the ferro element of control group 2 Amount improves 21.7mg, and the iron content than control group 3 improves 38.9mg, illustrates that chlorella collectively promotes with vitamin c Absorption of the loach to ferro element.
The contrast experiment of contrast experiment 2, take 250 a length of 5~6cm healthy young loach to be placed in culturing pool, be divided into 5 groups of difference Loach breeding is carried out with organizing the cultural method that E is provided by embodiment 8 for a group A, group B, group C, group D, group E, group F, group F, group A is by real The cultural method for applying the offer of example 8 carries out loach breeding, but feed does not add allicin and Lignum Dalbergiae benthamii in breeding process, organizes B The cultural method provided by embodiment 8 carries out loach breeding, but feed does not add allicin in breeding process, and two Guangdong of addition are yellow Wingceltis, the cultural method that group C is provided by embodiment 8 carries out loach breeding, but feed adds allicin in breeding process, does not add Lignum Dalbergiae benthamii, the cultural method that group D is provided by embodiment 8 carries out loach breeding, but two Guangdong of feed addition are yellow in breeding process Wingceltis, allicin is not added, others raising step is identical, after feeding 10 days that the back of the loach of a group F, group B, group C with organizing D is light It is micro- to mark wound, and launch in the breeding water body of a group F, group A, group B, group C, group D with organizing E into 500/mL water mold spore or 100/mL small melonworm, continue to feed 50 days, observation result is as shown in the table:
Saprolegniasis infection rate Ich infection rate
Group A 35.4% 60.3%
Group B 95.4% 97.4%
Group C 60.5% 96.5%
Group D 56.7% 73.8%
Group E 13.5% 22.3%
Group F 27.9% 43.5%
It was found from upper table result, from group A experimental result, even if loach surface does not have artificial wound, but in water Water mold spore or during higher small melonworm concentration, the probability of loach infection saprolegniasis and ich is still larger, the sense of saprolegniasis Dye rate is 35.4%, and the infection rate of ich is up to 60.3%.The saprolegniasis infection rate of group B loach is 95.4%, small melonworm The infection rate of disease is 97.4%, compared with group C, allicin is added in feed, saprolegniasis infection rate have dropped 34.9%, small melonworm Sick infection rate have dropped 0.9%, illustrate that allicin has certain prevention effect to saprolegniasis, and ich is not prevented and treated Effect;D is compared with group B for group, Lignum Dalbergiae benthamii is added in feed, saprolegniasis infection rate have dropped 38.7%, ich infection rate It has dropped 23.6%;F is compared with group B for group, even if the surface of loach has wound by adding allicin and two Guangdong in feed Yellow wingceltis, saprolegniasis infection rate have dropped 67.5%, and ich infection rate have dropped 53.9%, illustrate allicin and Lignum Dalbergiae benthamii Good prevention effect is respectively provided with to saprolegniasis and ich;Group E compared with group A, by feed add allicin and Lignum Dalbergiae benthamii, saprolegniasis infection rate have dropped 21.9%, and ich infection rate have dropped 38%, illustrate that allicin and two Guangdong are yellow The composition of wingceltis can strengthen loach to saprolegniasis and the immunity of ich, have to saprolegniasis and ich preferable Prevention effect.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited In specific details and shown here as the legend with description.

Claims (8)

1. a kind of cultural method of medicinal loach, it is characterised in that comprise the following steps:
1) construction of culturing pool, the culturing pool cross section are square, and the culturing pool includes:
Core wall, it is located among the culturing pool separates left region and two, right region part by the culturing pool, it is described every Space is left between the pool wall of waterwall both ends and the culturing pool so that the left region and right regional connectivity;
Unilateral gate, it is network structure that it, which is equipped with to the space, the unilateral gate, and the one side of the unilateral gate protrudes to be formed The tip of taper, the tip is provided with passes through hole for what loach was passed through;
Rotifer breeding ponds, its its be that filter screen is irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set There is bottom plate, set on the filter screen and escape from hole, the size for escaping from hole is 0.5~1mm;
Blowdown is cheated, and it is arranged on the culturing pool bottom, and the bottom in the blowdown hole is provided with mudhole, the mudhole and blowdown Pipe connects;
Waterwheel aerator, it is arranged in the culturing pool;
Oxygen detector is dissolved, it is located at the bottom of culturing pool, and described dissolving oxygen detector is connected with electric-controlled switch electric signal, leads to Cross the start and stop that electric-controlled switch controls the waterwheel aerator;
2) sterilization of culturing pool, the deep water of 70~90cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection;
3) water is educated at training bottom, adds decomposed excrement and wormcast into the culturing pool, inoculation chlorella, small ring algae and it is photosynthetic carefully Bacterium, cultivate 15~20 days;
4) loach fry is put in a suitable place to breed, selects physical strong, and body colour is bright, neat specification, a length of 5~6cm of body high quality seedling, makes 5~10min is soaked with 4%~5% saline solution, is selected in put the culturing pool in a suitable place to breed in the morning of fine day, toward the wheel animalcule Inoculating rotifer larva in culture pond;
5) feeding management, is made mixed fodder first, and loach seedling respectively feeds once described in the morning, afternoon and evening daily after launching 2~3 days Mixed fodder, when water colour transparency is less than 10cm, wheel animalcule larva is launched into the rotifer breeding ponds, water colour transparency is higher than During 20cm, decomposed excrement and wormcast are added into the culturing pool, lasting cultivation, obtains the medicinal loach.
2. the cultural method of medicinal loach according to claim 1, it is characterised in that the pond depth of the culturing pool is 100 ~120cm, it is 15%~25% that the area of the rotifer breeding ponds, which accounts for the cultivation pool area, the bottom plate of the rotifer breeding ponds Distance with culturing pool bottom is 30~40cm, and the mesh number of the filter screen is 300~350 mesh.
3. the cultural method of medicinal loach according to claim 1, it is characterised in that the dissolving oxygen detector detection water When bottom dissolved oxygen is less than 3mg/L, the first signal is exported to electric-controlled switch, electric-controlled switch is started waterwheel aerator work, institute When stating dissolving oxygen detector and detecting water-bed dissolved oxygen and be more than 5mg/L, to electric-controlled switch output secondary signal, stop electric-controlled switch Waterwheel aerator works.
4. the cultural method of medicinal loach according to claim 1, it is characterised in that by cow dung, pig manure, chicken manure and sheep manure In one or more mixed with stalk, the weight ratio of mixing is 2~3:1, inoculation quality fraction is 5%~10%EM microbial inoculums, Fermentation obtains decomposed excrement after 20~30 days;One or more in cow dung, pig manure, chicken manure, sheep manure are mixed with manioc waste and supported The wormcast is obtained after growing earthworm.
5. the cultural method of medicinal loach according to claim 1, it is characterised in that the chlorella, small ring algae and light The cell density ratio for closing bacterium is 10~20:15~20:20~30.
6. the cultural method of medicinal loach according to claim 1, it is characterised in that in step 4), the wheel animalcule is cultivated The number that the wheel animalcule larva is inoculated with pond is 30~50/L.
7. the cultural method of medicinal loach according to claim 1, it is characterised in that the mixed fodder includes following heavy Measure the raw material of component:5~10 parts of Kelp Powder, 20~30 parts of maggot powder, 4~8 parts of chlorella powder, 10~20 parts of corn flour, wheat bran 3~ 5 parts, 0.5~1 part of vitamin c, 2~3 parts of 2~4 parts of allicin and Lignum Dalbergiae benthamii.
8. the cultural method of medicinal loach according to claim 1, it is characterised in that the mixed fodder is fed every time Measure as the 2.5%~3.5% of loach weight.
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