CN107581104A - A kind of high density loach breeding method - Google Patents

A kind of high density loach breeding method Download PDF

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Publication number
CN107581104A
CN107581104A CN201710731299.1A CN201710731299A CN107581104A CN 107581104 A CN107581104 A CN 107581104A CN 201710731299 A CN201710731299 A CN 201710731299A CN 107581104 A CN107581104 A CN 107581104A
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culturing pool
loach
water
cultural
wheel animalcule
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CN107581104B (en
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何亮
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何亮
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    • 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 high density loach, it comprises the following steps:1) construction of culturing pool, the cross section of the culturing pool is square structure, and core wall is provided with the culturing pool, waterwheel aerator, blowdown hole, habitation support, dissolves oxygen detector and rotifer breeding ponds;2) sterilization of the culturing pool;3) water is educated at training bottom, and decomposed excrement and wormcast are added into the culturing pool, and inoculation chlorella, small ring algae, hidden algae and photosynthetic bacteria are cultivated;4) loach fry and wheel animalcule larva are put in a suitable place to breed;5) feeding management, loach seedling respectively feed an autogamy feed after launching 2~3 days, adjust water colour transparency in the morning, afternoon and evening daily.Cultural method of the present invention has the features such as quantity of wastewater effluent is few, the loach breeding method that cultivation density is high and water quality is more stable.

Description

A kind of high density loach breeding method
Technical field
The invention belongs to technical field of aquaculture, and in particular the present invention relates to high density loach breeding method.
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 cultivation density is not high, and water body easily deteriorates.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of quantity of wastewater effluent is few, cultivation density is high and water quality is relatively stable 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 high density loach Cultural method, it comprises the following steps:
1) construction of culturing pool, the cross section of the culturing pool is square structure, and the culturing pool includes:
Core wall, it is located among the culturing pool is separated into left region and right region, the water proof by the culturing pool Space is left between the pool wall of wall and the culturing pool so that the left region and right regional connectivity;
Habitation support, it is arranged in the culturing pool, and the habitation support is set up by 4~10 layers of arc and formed, the arc Shape plate is recessed forms the groove of opening upwards downwards, and the height distance of the arc between layers is 4~8cm;
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 It is equipped with bottom plate;
Blowdown is cheated, and it is arranged on the culturing pool bottom, and blowdown hole bottom is provided with mudhole, the mudhole and row Dirty pipe connection;
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 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 80~100cm is injected into the culturing pool, Ozone Water is passed through and is disappeared Poison;
3) water is educated at training bottom, and decomposed excrement and wormcast, inoculation chlorella, small ring algae, hidden algae are added into the culturing pool And photosynthetic bacteria, 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 Wheel animalcule larva is added in culture pond;
5) feeding management, loach seedling respectively feed an autogamy feed, the wheel animalcule in the morning, afternoon and evening daily after launching 2~3 days When wheel animalcule quantity in culture pond is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool, water colour transparency is less than 20cm When, wheel animalcule larva is launched into the rotifer breeding ponds, when water colour transparency is higher than 30cm, is added into the culturing pool decomposed Excrement and wormcast.
Preferably, the pond depth of the culturing pool is 120~150cm, and the area of the rotifer breeding ponds accounts for the cultivation The 10%~15% of pool area, the radian of the arc cross section are 120 °~150 °, the bottom plate of the rotifer breeding ponds with The distance of culturing pool bottom is 30~40cm, and the mesh number of the filter screen is 300~350 mesh.In culturing pool, habitation support is added, Increase loach inhabites space, avoids loach from largely piercing mud and causes crowded and accuse each other, yield is influenceed, by habitation support Arc groove opening upwards, enable arc effectively to retain mud, build more comfortable habitat for loach, also reduce The accumulation of bottom sludge, habitation support is arranged on to the middle lower floor of culturing pool, avoid between habitation support to light block so as to The growth of microalgae is influenceed, addition rotifer breeding ponds cultivation wheel animalcule can promote the algae in water body to update, algae is kept more vigorous Growth rate, feed cost can also be reduced as the bait of loach by cultivating the wheel animalcule of acquisition.
Preferably, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/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 6mg/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, inoculation quality fraction is 5%~10%EM microbial inoculums, and fermentation obtains decomposed excrement after 20~30 days;By cow dung, pig One or more in excrement, chicken manure, sheep manure after manioc waste mixed breed earthworm with obtaining the wormcast.Excrement passes through with stalk After EM bacteria agent fermentation maturity, cellulose-decomposing bacteria, protein decomposing dacteria, saccharomycete, photosynthetic bacteria, lactic acid bacteria and deodorization bacterium etc. are a variety of to be had Beneficial microorganism and containing abundant organic matter and N P and K etc., suitably cultivates substantial amounts of natural bait, such as planktonic organism and has Beneficial algae, so as to reduce the quantity of Manual material feeding.
Preferably, the cell density ratio of the chlorella, small ring algae, hidden algae and photosynthetic bacteria is 20~30:15~20: 10~15:25~35.By directive breeding microalgae, the status for the population that can make to have the advantage beneficial to microalgae, harmful blue-green algae is avoided Outburst.
Preferably, in step 4), the number that the wheel animalcule larva is inoculated with the rotifer breeding ponds is 30~40/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 autogamy feed includes the raw material of following parts by weight:30~40 parts of earthworm, 5~10 parts of dregs of beans are small 3~5 parts of 5~10 parts of ball algae, 25~35 parts of corn flour, 4~8 parts of allicin and Lignum Dalbergiae benthamii.Pass through animal fodder and plant Property feed collocation, nutrition is balanced, and addition allicin can promote digesting and assimilating for loach in feed, strengthens the immunity of loach, raises Lignum Dalbergiae benthamii is added in material can strengthen immunity of the loach to saprolegniasis, enteritis disease and parasitic disease.
Preferably, each feeding volume of the autogamy feed is the 3%~5% of loach weight.Appropriate feed is launched Amount had both met the nutritional need of loach growth, and water body caused by it also avoid feeding volume surplus deteriorates.
Advantages of the present invention:Increase habitation support in the middle lower floor of culturing pool, the activity space of loach can be effectively increased, avoided Fought caused by loach density is too high, add yield;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, is avoided Often change water, saving water resource;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
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is a kind of culturing pool schematic diagram of the cultural method of high density loach of the present invention;
Fig. 2 is a kind of culturing pool schematic cross-section of the cultural method of high density loach of the present invention.
1 culturing pool;2 core walls;3 rotifer breeding ponds;4 blowdowns are cheated;5 waterwheel aerators;6 habitation supports.
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 high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool bag Include:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall 2 and the culturing pool 1 so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 be arranged in the culturing pool, the habitation support set up by 5~10 layers of arc and Into, the arc, depression forms the grooves of opening upwards downwards, and the height distance of the arc between layers is 4~ 8cm;
Rotifer breeding ponds 3, the independent cultivation section irised out for filter screen in the culturing pool 1, the bottom of the filter screen is set It is equipped with bottom plate;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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 1,100cm water is injected into the culturing pool 1, Ozone Water is passed through and carries out disinfection;
3) water is educated at training bottom, applies decomposed excrement and wormcast, addition chlorella, small ring algae, hidden algae into the culturing pool 1 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 to put in a suitable place to breed in the morning of fine day in the culturing pool 1, into rotifer breeding ponds 3 Add wheel animalcule larva.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the loach.
Embodiment 2
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 150cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 4 layers of arc and formed, institute Stating arc, depression forms the grooves of opening upwards downwards, and the height distance of the arc between layers is 4~8cm, institute The radian for stating arc cross section is 120 °;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
3) water is educated at training bottom, applies decomposed excrement and wormcast, inoculation chlorella, small ring algae, hidden algae into the culturing pool 1 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 to put in a suitable place to breed in the morning of fine day in the culturing pool 1, into rotifer breeding ponds 3 Add wheel animalcule larva.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the loach.
In 10 × 10 ㎡ culturing pool, culturing pool bottom sets a habitation support at interval of 50cm, and setting 11 altogether inhabites Frame, each habitation support are provided with 4 layers of arc, and the width of arc is 40cm, and increased floor space is more than 176 ㎡, if often putting down The water-bed area in side puts 40 tail seedling in a suitable place to breed, then can put the tail of loach 7040 more in a suitable place to breed, add the yield of loach, by setting habitation support, Increase loach inhabites space, reduces influencing each other between loach, also avoid loach largely pierce mud cause it is crowded and Accuse each other, influence yield, by habitation support arc opening upwards, arc is effectively retained mud, built for loach Go out more comfortable habitat, habitation support be arranged on to the middle lower floor of culturing pool, avoid between habitation support to light block from And the growth of microalgae is influenceed, addition rotifer breeding ponds cultivation wheel animalcule can promote the algae in water body to update, and algae is kept more prosperous The growth rate of Sheng, feed cost can also be reduced as the bait of loach by cultivating the wheel animalcule of acquisition.
Embodiment 3
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 5 layers of arc and formed, institute Stating arc, depression forms the grooves of opening upwards downwards, and the height distance of the arc between layers is 4~8cm, institute The radian for stating arc cross section is 150 °;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
3) water is educated at training bottom, and decomposed excrement and wormcast, inoculation chlorella, small ring algae, hidden algae are added into the culturing pool 1 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%~5% saline solution, selects to put in a suitable place to breed in the morning of fine day in the culturing pool 1, is cultivated toward wheel animalcule Wheel animalcule larva is added in pond 3.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the loach.
Requirement of the high-density breeding to dissolved oxygen is higher, is monitored in real time by dissolving oxygen detector and regulates and controls culturing pool bottom Oxygen concentration, the dissolved oxygen in culturing pool water body is in higher level all the time, avoid water quality caused by water hypoxia Deteriorate or damaged caused by anoxic is to loach body.
Embodiment 4
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 10 layers of arc and formed, The arc is recessed forms the groove of opening upwards downwards, and the height distance of the arc between layers is 4~8cm;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
3) water is educated at training bottom, the one or more in cow dung, pig manure, chicken manure and sheep manure is mixed with stalk, the weight of mixing Than for 2:1, inoculation quality fraction is 10%EM microbial inoculums, ferments 30 days, decomposed excrement is obtained, by cow dung, pig manure, chicken manure, sheep manure In one or more with manioc waste mixed breed earthworm after obtain the wormcast, apply decomposed excrement into the culturing pool 1 Just with wormcast, chlorella, small ring algae, hidden algae and photosynthetic bacteria are inoculated with culturing pool, is cultivated 20 days, obtains natural bait.
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%~5% saline solution, selects to put in a suitable place to breed in the morning of fine day in the culturing pool 1, is cultivated toward wheel animalcule Wheel animalcule larva is added in pond 3.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the 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 zooplankter and beneficial algae, so as to reduce the quantity of Manual material feeding and that improves loach puts survival rate 20% in a suitable place to breed More than;With there is substantial amounts of beneficial microbe in decomposed excrement so that the beneficial microbe of culturing pool bottom occupies master in wormcast Ecological niche is wanted, reduces the living space of pathogenic microorganism, and can be quickly by the excrement of loach and remaining bait fast decoupled For inorganic matter, the deterioration of water quality is avoided.
Embodiment 5
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 8 layers of arc and formed, institute The groove that the downward depression of arc forms opening upwards is stated, the height distance of the arc between layers is 4~8cm;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
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 10%EM bacterium Agent, fermentation obtain decomposed excrement after 30 days;The wormcast will be obtained after cow dung and manioc waste mixed breed earthworm;Supported toward described Grow and decomposed excrement and wormcast are added in pond 1, inoculating cell density ratio is 20 in culturing pool:15:15:It is 35 chlorella, small Ring algae, hidden algae and photosynthetic bacteria, cultivate 20 days, obtain natural bait.
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 5% saline solution, selects to put in a suitable place to breed in the morning of fine day in the culturing pool 1, into rotifer breeding ponds 3 Add wheel animalcule larva.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the loach.
Embodiment 6
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 4 layers of arc and formed, institute The groove that the downward depression of arc forms opening upwards is stated, the height distance of the arc between layers is 4~8cm;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
3) water is educated at training bottom, and pig manure is mixed with stalk, and the weight ratio of mixing is 2:1, inoculation quality fraction is 10%EM bacterium Agent, fermentation obtain decomposed excrement after 30 days;The wormcast will be obtained after chicken manure and manioc waste mixed breed earthworm;Supported toward described Grow and decomposed excrement and wormcast are added in pond 1, inoculating cell density ratio is 20 in culturing pool:15:15:It is 35 chlorella, small Ring algae, hidden algae and photosynthetic bacteria, cultivate 20 days, obtain natural bait.
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 to put in a suitable place to breed in the morning of fine day in the culturing pool 1, into rotifer breeding ponds 3 40/L of inoculating rotifer larva.
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, when water colour transparency is less than 20cm, Wheel animalcule larva is launched into the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, is added into the culturing pool 1 decomposed Excrement and wormcast, lasting cultivation obtain the loach.
Embodiment 7
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 4 layers of arc and formed, institute The groove that the downward depression of arc forms opening upwards is stated, the height distance of the arc between layers is 4~8cm;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1, the deep water of 100cm is injected into the culturing pool 1, ozone is passed through and carries out disinfection.
3) water is educated at training bottom, and chicken manure and sheep manure are mixed with stalk, and the weight ratio of mixing is 2:1, inoculation quality fraction is 10%EM microbial inoculums, fermentation obtain decomposed excrement after 30 days, will obtain the wormcast after sheep manure and manioc waste mixed breed earthworm, Apply decomposed excrement and wormcast into the culturing pool 1, inoculation quality ratio is 20 in culturing pool:15:15:35 bead Algae, small ring algae, hidden algae and photosynthetic bacteria, cultivate 20 days, obtain natural bait.
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%~5% saline solution, selects to put in a suitable place to breed in the morning of fine day in the culturing pool 1, is cultivated toward wheel animalcule 40/L of inoculating rotifer larva in pond 3.
5) feeding management, is made autogamy feed first, and the autogamy feed includes the raw material of following parts by weight:Earthworm 40 5 parts of part, 10 parts of dregs of beans, 10 parts of chlorella, 35 parts of corn flour, 8 parts of allicin and Lignum Dalbergiae benthamii, above-mentioned raw materials are well mixed, The autogamy feed is obtained, loach seedling respectively feeds an autogamy feed, the rotifer breeding ponds in the morning, afternoon and evening daily after launching 3 days When wheel animalcule quantity in 3 is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool 1, it is past when water colour transparency is less than 20cm Wheel animalcule larva is launched in the rotifer breeding ponds 3, when water colour transparency is higher than 30cm, decomposed excrement is added into the culturing pool 1 Just the loach is obtained with wormcast, lasting cultivation.
Arranged in pairs or groups by animal fodder and plant feed, nutrition is balanced, and addition allicin can promote loach in feed Digest and assimilate, strengthen the immunity of loach, addition Lignum Dalbergiae benthamii can strengthen loach to saprolegniasis, enteritis disease and parasite in feed The immunity of disease.
Embodiment 8
A kind of cultural method of high density loach, it comprises the following steps:
1) construction of culturing pool 1, as shown in figure 1, the cross section of the culturing pool 1 is square structure, the culturing pool Chi Shen is 120cm, and the culturing pool 1 includes:
Core wall 2, it is located among the culturing pool 1 is separated into left region and right region by the culturing pool, it is described every Space is left between the pool wall of waterwall and the culturing pool so that the left region and right regional connectivity;
Habitation support 6, as shown in Fig. 2 being arranged in the culturing pool, the habitation support is set up by 4 layers of arc and formed, institute The groove that the downward depression of arc forms opening upwards is stated, the height distance of the arc between layers is 4~8cm;
Rotifer breeding ponds 3, carried out by filter screen irised out in the culturing pool it is independent cultivate section, the bottom of the filter screen is set Bottom plate is equipped with, the bottom plate and the distance of culturing pool bottom are 30cm, and the area of the rotifer breeding ponds accounts for the culturing pool face Long-pending 15%;
Blowdown hole 4, it is arranged on the bottom of culturing pool 1, and the blowdown cheats 4 bottoms and is provided with mudhole, the mudhole Connected with blow-off pipe;
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.
When the water-bed dissolved oxygen of the dissolving oxygen detector detection is less than 4mg/L, the first signal is exported to electric-controlled switch, makes electricity Control switch and start waterwheel aerator work, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, open automatically controlled Output secondary signal is closed, electric-controlled switch is stopped waterwheel aerator work.
2) sterilization of the culturing pool 1,100cm water is injected into the culturing pool 1, Ozone Water is passed through and carries out disinfection.
3) water is educated at training bottom, the one or more in cow dung, pig manure, chicken manure and sheep manure is mixed with stalk, the weight of mixing Than for 2:1, inoculation quality fraction is 10%EM microbial inoculums, ferments 30 days, decomposed excrement is obtained, by cow dung, pig manure, chicken manure, sheep manure In one or more with manioc waste mixed breed earthworm after obtain the wormcast, apply decomposed excrement into the culturing pool 1 Just with wormcast, inoculation quality ratio is 20 in culturing pool:15:15:35 chlorella, small ring algae, hidden algae and photosynthetic bacteria, training Educate 20 days, obtain natural bait.
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%~5% saline solution, selects to put in a suitable place to breed in the morning of fine day in the culturing pool 1, is cultivated toward wheel animalcule 40/L of inoculating rotifer larva in pond 3.
5) feeding management, is made autogamy feed first, and the autogamy feed includes the raw material of following parts by weight:Earthworm 40 5 parts of part, 10 parts of dregs of beans, 10 parts of chlorella, 35 parts of corn flour, 8 parts of allicin and Lignum Dalbergiae benthamii, above-mentioned raw materials are well mixed, The autogamy feed is obtained, loach seedling respectively feeds once the autogamy feed, each feeding volume in the morning, afternoon and evening daily after launching 3 days For the 3% of loach weight, when the wheel animalcule quantity in the rotifer breeding ponds 3 is more than 120/mL, wheel animalcule is picked up into dispensing to supporting Grow in pond 1, when water colour transparency is less than 20cm, wheel animalcule larva is launched into the rotifer breeding ponds 3, water colour transparency is higher than During 30cm, decomposed excrement and wormcast are added into the culturing pool 1, lasting cultivation obtains the loach.
Embodiment 9
Contrast experiment, take 250 a length of 5~6cm healthy young loach to be placed in culturing pool, be divided into 5 groups, experimental group is with compareing The cultural method that group 5 is provided by embodiment 8 carries out loach breeding, and the cultural method that control group 1 is provided by embodiment 8 carries out loach Cultivation, but feed does not add allicin and Lignum Dalbergiae benthamii in breeding process, and control group 2 presses the cultural method that embodiment 8 provides Loach breeding is carried out, but feed does not add allicin in breeding process, adds Lignum Dalbergiae benthamii, and control group 3 is provided by embodiment 8 Cultural method carry out loach breeding, but in breeding process feed add allicin, do not add Lignum Dalbergiae benthamii, control group 4 is pressed The cultural method that embodiment 8 provides carries out loach breeding, but feed adds Lignum Dalbergiae benthamii in breeding process, does not add garlic Element, others raising step is identical, by experimental group, control group 2, control group 3 and the back of the loach of control group 4 after feeding 10 days It is slight to mark wound, and in the breeding water body of experimental group, control group 1, control group 2, control group 3, control group 4 with control group 5 The small melonworm into 500/mL water mold spore or 100/mL is launched, continues to feed 50 days, observation result is as shown in the table:
Saprolegniasis infection rate Ich infection rate
Control group 1 36.4% 59.6%
Control group 2 94.4% 96.4%
Control group 3 61.5% 96.3%
Control group 4 57.6% 72.8%
Control group 5 14.5% 21.5%
Experimental group 28.6% 44.5%
It was found from upper table result, from the experimental result of control group 1, even if loach surface does not have artificial wound, but During water mold spore or higher small melonworm concentration in water, the probability of loach infection saprolegniasis and ich is still larger, saprolegniasis Infection rate be 36.4%, the infection rate of ich is up to 59.6%.The saprolegniasis infection rate of the loach of control group 2 is 94.4%, the infection rate of ich is 95.4%, compared with experimental group 3, adds allicin in feed, under saprolegniasis infection rate 32.9% has been dropped, ich infection rate have dropped 0.1%, illustrate that allicin has certain prevention effect to saprolegniasis, and There is no preventive and therapeutic effect to ich;Experimental group 4 adds Lignum Dalbergiae benthamii compared with control group 2 in feed, under saprolegniasis infection rate 36.8% is dropped, ich infection rate have dropped 23.6%;Experimental group is compared with control group 2, even if the surface of loach is present Wound have dropped 65.8% by adding allicin and Lignum Dalbergiae benthamii, saprolegniasis infection rate in feed, ich infection rate 51.9% is have dropped, illustrates that allicin is respectively provided with good prevention effect to saprolegniasis and ich with Lignum Dalbergiae benthamii;Control Group is 5 compared with control group 1, and by adding allicin and Lignum Dalbergiae benthamii in feed, saprolegniasis infection rate have dropped 21.9%, small Melonworm disease infection rate have dropped 38.1%, illustrate allicin and Lignum Dalbergiae benthamii composition can strengthen loach to saprolegniasis and small The immunity of melonworm disease, has preferable prevention effect to saprolegniasis and ich.
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 high density loach, it is characterised in that comprise the following steps:
1) construction of culturing pool, the cross section of the culturing pool is square structure, and the culturing pool includes:
Core wall, it is located among the culturing pool is separated into left region and right region by the culturing pool, the core wall with Space is left between the pool wall of the culturing pool so that the left region and right regional connectivity;
Habitation support, it is arranged in the culturing pool, and the habitation support is set up by 4~10 layers of arc and formed, the arc Depression forms the groove of opening upwards downwards, and the height distance of the arc between layers is 4~8cm;
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 provided with Bottom plate;
Blowdown is cheated, and it is arranged on the culturing pool bottom, and blowdown hole bottom is provided with mudhole, the mudhole and blow-off pipe Connection;
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 the culturing pool, the deep water of 80~100cm is injected into the culturing pool, Ozone Water is passed through and carries out disinfection;
3) water is educated at training bottom, and decomposed excrement and wormcast, inoculation chlorella, small ring algae, hidden algae and light are added into the culturing pool Bacterium is closed, is cultivated 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, selects in put the culturing pool in a suitable place to breed in the morning of fine day, is cultivated toward wheel animalcule Inoculating rotifer larva in pond;
5) feeding management, loach seedling respectively feed an autogamy feed in the morning, afternoon and evening daily after launching 2~3 days, the wheel animalcule is cultivated When wheel animalcule quantity in pond is more than 120/mL, wheel animalcule is picked up into dispensing into culturing pool, it is past when water colour transparency is less than 20cm Wheel animalcule larva is launched in the rotifer breeding ponds, when water colour transparency is higher than 30cm, decomposed excrement is added into the culturing pool With wormcast, lasting cultivation obtains the loach.
2. the cultural method of high density loach according to claim 1, it is characterised in that the Chi Shenwei of the culturing pool 120~150cm, the area of the rotifer breeding ponds account for the 10%~15% of the cultivation pool area, the arc cross section Radian be 120 °~150 °, the bottom plate of the rotifer breeding ponds and the distance of culturing pool bottom are 30~40cm, the filter screen Mesh number be 300~350 mesh.
3. the cultural method of high density loach according to claim 1, it is characterised in that the dissolving oxygen detector detection When water-bed dissolved oxygen is less than 4mg/L, the first signal is exported to electric-controlled switch, the electric-controlled switch is started waterwheel aerator work Make, when the water-bed dissolved oxygen of the dissolving oxygen detector detection is more than 6mg/L, secondary signal is exported to electric-controlled switch, makes the electricity Control switch stops waterwheel aerator work.
4. the cultural method of high density loach according to claim 1, it is characterised in that by cow dung, pig manure, chicken manure and sheep One or more in excrement mix with stalk, and the weight ratio of mixing is 2~3:1, inoculation quality fraction is 5%~10%EM bacterium Agent, ferment 20~30 days, obtain decomposed excrement, the one or more in cow dung, pig manure, chicken manure, sheep manure mix foster with manioc waste The wormcast is obtained after growing earthworm.
5. the cultural method of high density loach according to claim 1, it is characterised in that the chlorella, small ring algae, hidden The cell density of algae and photosynthetic bacteria ratio is 20~30:15~20:10~15:25~35.
6. the cultural method of high density loach according to claim 1, it is characterised in that in step 4), the wheel animalcule training Educate that the number of the wheel animalcule larva is inoculated with pond is 30~40/L.
7. the cultural method of high density loach according to claim 1, it is characterised in that the autogamy feed includes following The raw material of parts by weight:30~40 parts of earthworm, 5~10 parts of dregs of beans, 5~10 parts of chlorella, 25~35 parts of corn flour, allicin 4~8 3~5 parts of part and Lignum Dalbergiae benthamii.
8. the cultural method of high density loach according to claim 1, it is characterised in that each throwing of the autogamy feed Amount is fed as the 3%~5% of loach weight.
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