CN105265361A - Loach larva breeding method - Google Patents

Loach larva breeding method Download PDF

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Publication number
CN105265361A
CN105265361A CN201510749669.5A CN201510749669A CN105265361A CN 105265361 A CN105265361 A CN 105265361A CN 201510749669 A CN201510749669 A CN 201510749669A CN 105265361 A CN105265361 A CN 105265361A
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China
Prior art keywords
pond
liquid box
culturing pool
seed
water
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CN105265361B (en
Inventor
陆专灵
黄黎明
张益峰
赵忠添
王卉
李旻
雷燕
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Guangxi Academy of Fishery Sciences
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Guangxi Academy of Fishery Sciences
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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
    • 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

Abstract

The invention discloses a loach larva breeding method. The method includes the following steps of: breeding pond construction; breeding pond disinfection; larva stocking: after being rejuvenated for 10 minutes, larvae are thrown into a breeding pond, and stocking density is 10 thousands larvae/m<2>; breeding pond management: baits are thrown into the breeding pond from 8:00 to 9:00 in the morning, 12:00 to 1:00 at noon and 5:00 to 6:00 in the afternoon every day; water quality management: water in the breeding pond is changed daily; pond disinfection: a pond is disinfected with quicklime of 50kg/mu; larva delivery: after being cultivated in the breeding pond for 6 to 10 days, the larvae are thrown into the pond, and stocking density is 200 thousands larvae/m<2>; and pond management: after the larvae are stocked in the pond, the larvae are fed with mixed feed, the feeding amount of the mixed feed in the summer and winter is 1 to 3% of the total weight of the loaches, and the feeding amount of the mixed feed in the spring and the autumn is 5 to 10% of the total weight of the loaches. With the method of the invention adopted, large-scale industrial production of loaches can be realized.

Description

Loach fry breeding method
Technical field
The present invention relates to cultural technique field.More particularly, the present invention relates to a kind of loach fry breeding method.
Background technology
Loach, belongs to Cypriniformes, Cobitidae, loach genus.Its body is long, cylindrical, and caudal peduncle is flat-sided, is distributed widely in the water bodys such as rivers, reservoir, lake, ditch.Loach is Fresh & Tender in Texture, delicious flavour, nutritious, and belong to high protein, the famous-brand and high-quality aquatic products kind of low fat class, has the effect such as tonifying middle-Jiao and Qi, Yang nourishing-strengthening, have " in water ginseng " good reputation.Along with the raising of people's living standard, focus on dietetic nutrition allotment, nutrition and the medicinal efficacy of loach are favored by consumers in general deeply, cause the market demand of loach significantly to increase.
According to incompletely statistics, loach for over ten years price is high continuously, and loach outlet also significantly improves, and the market demand of Hong Kong, Macao, Taiwan, Japan, Korea S constantly increases, and the market space is huge, the pure demand that can not meet people by wild resource far away.The seed source of loach breeding is naturally catch flood mostly, and seed growth traits instability, seed poor quality, quantity is few, the needs that can not meet large-scale production, and the loach of artificial propagation is low at very little seedling stage cultivating survival rate, restricts the development of loach breeding industry.Therefore raiser is in the urgent need to there being a kind of method that can improve loach fry cultivating survival rate.
Summary of the invention
The object of this invention is to provide a kind of loach fry breeding method, it can improve the survival rate of loach fry, and the scale industrialization that can realize loach is produced.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manage: every morning 8-9 point, noon 12-1 point and afternoon 5-6 point, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is the 2-5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: 5-10 days before seed is moved to pond from culturing pool, drains the water in pond, carry out disinfection with the quicklime of 50kg/ mu to pond;
Seed is thrown in: after seed cultivates 6-10 days in culturing pool, takes out, and be placed in after the first bactericide soaks 10-15min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is the 1-3% of loach TBW, and the feeding volume of mixed feed described in spring and fall is the 5-10% of loach TBW.
Preferably, in described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 2-3 part, lysozyme 0.5-1 part, shitosan 1-2 part, pyroligneous liquor 10-15 part and water 50-70 part.
Preferably, in described loach fry breeding method, the described pond depth of water is 1-1.2m.
Preferably, in described loach fry breeding method, the every 30-40m in top in described pond 2be provided with one and get rid of liquid box, describedly get rid of the cylindrical that liquid box is inner hollow, the sidewall of described bottom and bottom of getting rid of liquid box is all arranged at intervals with multiple through hole, and described in get rid of the bottom of liquid box mid portion be enclosed construction, described middle part of getting rid of liquid box is provided with the first magnetic valve, described first magnetic valve is connected with controller, described top of getting rid of liquid box is removably connected with its sidewall, described bottom of getting rid of liquid box is vertically provided with a support bar, the top of described support bar is divided into hollow-core construction, the top of described support bar is provided with an opening, the top of described support bar and the described middle section contacts getting rid of the bottom of liquid box, the bottom in described pond is inserted in the bottom of described support bar, described bottom of getting rid of liquid box is provided with a rotating shaft, one end of described rotating shaft is fixedly connected with the described mid portion getting rid of the bottom of liquid box, the other end of described rotating shaft passes described opening and inserts in described support bar, the other end of described rotating shaft is connected with a motor, described motor is connected with described controller.
Preferably, in described loach fry breeding method, between described rotating shaft and described opening, be provided with a space α, 0mm < α≤2mm.
Preferably, in described loach fry breeding method, also comprise:
When trichodinasis is sent out, every morning 9-10 point or noon 2-3 point or evening 7-8 point, after described top splendid attire 300-400mL concentration of getting rid of liquid box is the copper sulphate of 0.7mg/L and mixture of ferrous sulfate, by the first starter motor of controller, open the first magnetic valve again, described copper sulphate and mixture of ferrous sulfate are thrown away from getting rid of liquid box, repeat 3-5 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
Preferably, in described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, every morning 9-10 point or noon 2-3 point or evening 7-8 point, at described top splendid attire 500-600mL second bactericide getting rid of liquid box, by the first starter motor of controller, open the first magnetic valve again, described second bactericide is thrown away from getting rid of liquid box, repeat 3-5 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.1-0.2 part, salt 0.4-0.6 part, sodium bicarbonate 0.4-0.6 part and water 10-15 part.
Preferably, in described loach fry breeding method, described in get rid of the distance from bottom pond water surface 30-40cm of liquid box.
Preferably, in described loach fry breeding method, every 10-20m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, and the exit of described escape pipe is provided with capping, and described capping is removably connected with described escape pipe, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with described controller;
The first tenday period of a month every month of the annual 5-10 month and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.3-0.5mg/L, continue to pass into 5-10min.
The present invention at least comprises following beneficial effect:
The present invention, before seed puts into pond, carries out disinfection with the first bactericide, can kill bacterium, fungi etc. that seed is carried, prevent seed from carrying pathogenic bacteria, reduce the survival rate of seed, and the equal edible of main component in the first bactericide, the growth of loach can not be affected after immersion.
The present invention is provided with and gets rid of liquid box above pond, and driven by rotating shaft and get rid of the rotation of liquid box, the medicament got rid of in liquid box is thrown away by through hole, under the influence of centrifugal force, above pond, form cross section water curtain, get rid of in pond equably, save manpower, and medicament is more evenly distributed.
The present invention is provided with ozone escape pipe in pond, and ozone kills bacterium in pond, fungi, virus and parasite etc., and ozone decompose themselves is oxygen, noresidue, summer temperature can be prevented too high, cause the amount reproduction of bacterium, fungi etc. in pond, cause loach dead.
The present invention controls the open and close of motor, the first magnetic valve and the second magnetic valve by controller, by automation mechanized operation, saves manpower, improve the accuracy of operation, by Long-distance Control, when spraying toxic medicament, human body can be avoided to suck Toxic, damage.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation getting rid of liquid box and support bar of the present invention;
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
Embodiment 1
The invention provides a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manage: every morning 8 point, 12 noon and afternoon 5 point, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is 2% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: seed is moved to pond first 5 days from culturing pool, drains the water in pond, with the quicklime of 50kg/ mu, pond is carried out disinfection;
Seed is thrown in: after seed cultivates 6 days in culturing pool, taking-up, and be placed in after the first bactericide soaks 10min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is 1% of loach TBW, and the feeding volume of mixed feed described in spring and fall is 5% of loach TBW.
In described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 2 parts, lysozyme 0.5 part, shitosan 1 part, 10 parts, pyroligneous liquor and 50 parts, water.Tea Polyphenols is soluble in water, has the effects such as antibacterial, antiviral.Lysozyme can the peptide glycan of hydrolytic bacteria cell wall effectively, causes cell wall rupture content overflow and make bacterolysis.Shitosan can dissolve in weak acid solvent, has bacteriostasis efficacy.Pyroligneous liquor main component is acetic acid, phenols, water, and wherein organic composition acetic acid accounts for more than 10%, also containing mineral matters such as K, Ca, Mg, Zn, Ge, Mn, Fe, in addition containing Aneurine and B2.Pyroligneous liquor can suppress the breeding of miscellaneous bacteria, has fungi-proofing, insect protected effect.Pyroligneous liquor is acid, solubilized shitosan.First bactericide can kill the bacterium, virus etc. on seed surface, prevents seed from carrying pathogenic bacteria, reduces the survival rate of seed, and the equal edible of main component loach in the first bactericide, the growth of loach can not be affected after immersion.According to use needs, the saline solution of the first bactericide also can be mass fraction be 3-4% also can be other way of realization.
In described loach fry breeding method, the described pond depth of water is 1m.
As shown in Figure 1, in described loach fry breeding method, the every 30m in top in described pond 2be provided with one and get rid of liquid box 110, describedly get rid of the cylindrical that liquid box 110 is inner hollow, the sidewall of described bottom and bottom of getting rid of liquid box 110 is all arranged at intervals with multiple through hole 111, and described in get rid of the bottom of liquid box 110 mid portion be enclosed construction, described middle part of getting rid of liquid box 110 is provided with the first magnetic valve 120, first magnetic valve 120 cuts out, the upper and lower of getting rid of liquid box 110 can be separated, described first magnetic valve 120 is connected with controller, described top of getting rid of liquid box 110 is removably connected with its sidewall, described bottom of getting rid of liquid box 110 is vertically provided with a support bar 130, the top of described support bar 130 is divided into hollow-core construction, the top of described support bar 130 is provided with an opening, the top of described support bar 130 and the described middle section contacts getting rid of the bottom of liquid box 110, the bottom in described pond is inserted in the bottom of described support bar 130, described bottom of getting rid of liquid box 110 is provided with a rotating shaft 140, one end of described rotating shaft 140 is fixedly connected with the described mid portion getting rid of the bottom of liquid box 110, the other end of described rotating shaft 140 passes described opening and inserts in described support bar 130, the other end of described rotating shaft 140 is connected with a motor 150, described motor 150 is connected with described controller.When needs are in pond during spraying agent, medicament is poured into the top of getting rid of liquid box 110, by the first starter motor 150 of controller, motor 150 drives and gets rid of liquid box 110 and rotate, then opens the first magnetic valve 120, also can be by controller simultaneously starter motor 150, open the first magnetic valve 120, medicament flows into the bottom of getting rid of liquid box 110, medicament is thrown away by through hole 111 under the influence of centrifugal force, forms cross section water curtain, got rid of in pond by medicament above pond.Adopt Automated condtrol, medicament sprays evenly, saves a large amount of manpower.If spray by manpower, be difficult to accomplish to spray evenly, thoroughly can not eliminate disease.Medicament only need be put into the top of getting rid of liquid box by the present invention, and afterwards by controller Long-distance Control, simple to operate, automaticity is high.
In described loach fry breeding method, between described rotating shaft 140 and described opening, be provided with a space α, 0mm < α≤2mm.The frictional force between rotating shaft 140 and opening can be reduced, be conducive to the rotation of rotating shaft 140.
In described loach fry breeding method, also comprise:
When trichodinasis is sent out, every morning 9 or at 2 at noon or evening 7 point, after described top splendid attire 300mL concentration of getting rid of liquid box 110 is the copper sulphate of 0.7mg/L and mixture of ferrous sulfate, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described copper sulphate and mixture of ferrous sulfate are thrown away from getting rid of liquid box 110, repeat 3 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
In described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, every morning 9 or at 2 at noon or evening 7 point, at described top splendid attire 500mL second bactericide getting rid of liquid box 110, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described second bactericide is thrown away from getting rid of liquid box 110, repeat 3 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.1 part, salt 0.4 part, 0.4 part, sodium bicarbonate and 10 parts, water.Saprolegniasis belongs to fungal infection, and lywallzyme can decompose fungal cell wall, causes fungi dead.
In described loach fry breeding method, described in get rid of the distance from bottom pond water surface 30cm of liquid box 110.
In described loach fry breeding method, every 10m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, the exit of described escape pipe is provided with capping, described capping is removably connected with described escape pipe, when needing to pass into ozone, opens capping, when not needing to pass into, close capping, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with described controller;
The first tenday period of a month every month in annual May and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.3mg/L, continue to pass into 5min.By controller opens second magnetic valve, ozone enters pond, carries out disinfection to pond, and ozone decomposed becomes oxygen, also can increase the oxygen content in pond.
Embodiment 2
The invention provides a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manages: every morning 9 point, at 1 at noon and 6 pm, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is 5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: seed is moved to pond first 10 days from culturing pool, drains the water in pond, with the quicklime of 50kg/ mu, pond is carried out disinfection;
Seed is thrown in: after seed cultivates 10 days in culturing pool, taking-up, and be placed in after the first bactericide soaks 15min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is 3% of loach TBW, and the feeding volume of mixed feed described in spring and fall is 10% of loach TBW.
In described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 3 parts, lysozyme 1 part, shitosan 2 parts, 15 parts, pyroligneous liquor and 70 parts, water.Tea Polyphenols is soluble in water, has the effects such as antibacterial, antiviral.Lysozyme can the peptide glycan of hydrolytic bacteria cell wall effectively, causes cell wall rupture content overflow and make bacterolysis.Shitosan can dissolve in weak acid solvent, has bacteriostasis efficacy.Pyroligneous liquor main component is acetic acid, phenols, water, and wherein organic composition acetic acid accounts for more than 10%, also containing mineral matters such as K, Ca, Mg, Zn, Ge, Mn, Fe, in addition containing Aneurine and B2.Pyroligneous liquor can suppress the breeding of miscellaneous bacteria, has fungi-proofing, insect protected effect.Pyroligneous liquor is acid, solubilized shitosan.First bactericide can kill the bacterium, virus etc. on seed surface, prevents seed from carrying pathogenic bacteria, reduces the survival rate of seed, and the equal edible of main component in the first bactericide, the growth of loach can not be affected after immersion.
In described loach fry breeding method, the described pond depth of water is 1.2m.
As shown in Figure 1, in described loach fry breeding method, the every 40m in top in described pond 2be provided with one and get rid of liquid box 110, describedly get rid of the cylindrical that liquid box 110 is inner hollow, the sidewall of described bottom and bottom of getting rid of liquid box 110 is all arranged at intervals with multiple through hole 111, and described in get rid of the bottom of liquid box 110 mid portion be enclosed construction, described middle part of getting rid of liquid box 110 is provided with the first magnetic valve 120, first magnetic valve 120 cuts out, the upper and lower of getting rid of liquid box 110 can be separated, described first magnetic valve 120 is connected with controller, described top of getting rid of liquid box 110 is removably connected with its sidewall, described bottom of getting rid of liquid box 110 is vertically provided with a support bar 130, the top of described support bar 130 is divided into hollow-core construction, the top of described support bar 130 is provided with an opening, the top of described support bar 130 and the described middle section contacts getting rid of the bottom of liquid box 110, the bottom in described pond is inserted in the bottom of described support bar 130, described bottom of getting rid of liquid box 110 is provided with a rotating shaft 140, one end of described rotating shaft 140 is fixedly connected with the described mid portion getting rid of the bottom of liquid box 110, the other end of described rotating shaft 140 passes described opening and inserts in described support bar 130, the other end of described rotating shaft 140 is connected with a motor 150, described motor 150 is connected with described controller.When needs are in pond during spraying agent, medicament is poured into the top of getting rid of liquid box 110, by the first starter motor 150 of controller, motor 150 drives and gets rid of liquid box 110 and rotate, then opens the first magnetic valve 120, also can be by controller simultaneously starter motor 150, open the first magnetic valve 120, medicament flows into the bottom of getting rid of liquid box 110, medicament is thrown away by through hole 111 under the influence of centrifugal force, forms cross section water curtain, got rid of in pond by medicament above pond.Adopt Automated condtrol, medicament sprays evenly, saves a large amount of manpower.If spray by manpower, be difficult to accomplish to spray evenly.Medicament only need be put into the top of getting rid of liquid box by the present invention, is controlled afterwards by controller, and simple to operate, automaticity is high.
In described loach fry breeding method, between described rotating shaft 140 and described opening, be provided with a space α, 0mm < α≤2mm.The frictional force between rotating shaft 140 and opening can be reduced, be conducive to the rotation of rotating shaft 140.
In described loach fry breeding method, also comprise:
When trichodinasis is sent out, every morning 10 or at 3 at noon or evening 8 point, after described top splendid attire 400mL concentration of getting rid of liquid box 110 is the copper sulphate of 0.7mg/L and mixture of ferrous sulfate, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described copper sulphate and mixture of ferrous sulfate are thrown away from getting rid of liquid box 110, repeat 5 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
In described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, every morning 10 or at 3 at noon or evening 8 point, at described top splendid attire 600mL second bactericide getting rid of liquid box 110, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described second bactericide is thrown away from getting rid of liquid box 110, repeat 5 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.2 part, salt 0.6 part, 0.6 part, sodium bicarbonate and 15 parts, water.Saprolegniasis belongs to fungal infection, and lywallzyme can decompose fungal cell wall, causes fungi dead.
In described loach fry breeding method, described in get rid of the distance from bottom pond water surface 40cm of liquid box 110.
In described loach fry breeding method, every 20m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, the exit of described escape pipe is provided with capping, described capping is removably connected with described escape pipe, when needing to pass into ozone, opens capping, when not needing to pass into, close capping, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with described controller;
The first tenday period of a month every month in annual October and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.5mg/L, continue to pass into 10min.By controller opens second magnetic valve, ozone enters pond, carries out disinfection to pond, and ozone decomposed becomes oxygen, also can increase the oxygen content in pond.
Embodiment 3
The invention provides a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manages: thirty every morning 8,12 noon half-sum thirty in the afternoon 5, bait of throwing something and feeding, and described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is 2.5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: seed is moved to pond first 7 days from culturing pool, drains the water in pond, with the quicklime of 50kg/ mu, pond is carried out disinfection;
Seed is thrown in: after seed cultivates 8 days in culturing pool, taking-up, and be placed in after the first bactericide soaks 12min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is 2% of loach TBW, and the feeding volume of mixed feed described in spring and fall is 7% of loach TBW.
In described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 2.5 parts, lysozyme 0.7 part, shitosan 1.5 parts, 12 parts, pyroligneous liquor and 60 parts, water.Tea Polyphenols is soluble in water, has the effects such as antibacterial, antiviral.Lysozyme can the peptide glycan of hydrolytic bacteria cell wall effectively, causes cell wall rupture content overflow and make bacterolysis.Shitosan can dissolve in weak acid solvent, has bacteriostasis efficacy.Pyroligneous liquor main component is acetic acid, phenols, water, and wherein organic composition acetic acid accounts for more than 10%, also containing mineral matters such as K, Ca, Mg, Zn, Ge, Mn, Fe, in addition containing Aneurine and B2.Pyroligneous liquor can suppress the breeding of miscellaneous bacteria, has fungi-proofing, insect protected effect.Pyroligneous liquor is acid, solubilized shitosan.First bactericide can kill the bacterium, virus etc. on seed surface, prevents seed from carrying pathogenic bacteria, reduces the survival rate of seed, and the equal edible of main component in the first bactericide, the growth of loach can not be affected after immersion.According to use needs, the saline solution of the first bactericide also can be mass fraction be 3-4% also can be other way of realization.
In described loach fry breeding method, the described pond depth of water is 1.1m.
As shown in Figure 1, in described loach fry breeding method, the every 35m in top in described pond 2be provided with one and get rid of liquid box 110, describedly get rid of the cylindrical that liquid box 110 is inner hollow, the sidewall of described bottom and bottom of getting rid of liquid box 110 is all arranged at intervals with multiple through hole 111, and described in get rid of the bottom of liquid box 110 mid portion be enclosed construction, described middle part of getting rid of liquid box 110 is provided with the first magnetic valve 120, first magnetic valve 120 cuts out, the upper and lower of getting rid of liquid box 110 can be separated, described first magnetic valve 120 is connected with controller, described top of getting rid of liquid box 110 is removably connected with its sidewall, described bottom of getting rid of liquid box 110 is vertically provided with a support bar 130, the top of described support bar 130 is divided into hollow-core construction, the top of described support bar 130 is provided with an opening, the top of described support bar 130 and the described middle section contacts getting rid of the bottom of liquid box 110, the bottom in described pond is inserted in the bottom of described support bar 130, described bottom of getting rid of liquid box 110 is provided with a rotating shaft 140, one end of described rotating shaft 140 is fixedly connected with the described mid portion getting rid of the bottom of liquid box 110, the other end of described rotating shaft 140 passes described opening and inserts in described support bar 130, the other end of described rotating shaft 140 is connected with a motor 150, described motor 150 is connected with described controller.When needs are in pond during spraying agent, medicament is poured into the top of getting rid of liquid box 110, by the first starter motor 150 of controller, motor 150 drives and gets rid of liquid box 110 and rotate, then opens the first magnetic valve 120, also can be by controller simultaneously starter motor 150, open the first magnetic valve 120, medicament flows into the bottom of getting rid of liquid box 110, medicament is thrown away by through hole 111 under the influence of centrifugal force, forms cross section water curtain, got rid of in pond by medicament above pond.Adopt Automated condtrol, medicament sprays evenly, saves a large amount of manpower.If spray by manpower, be difficult to accomplish to spray evenly.Medicament only need be put into the top of getting rid of liquid box by the present invention, is controlled afterwards by controller, and simple to operate, automaticity is high.
In described loach fry breeding method, between described rotating shaft 140 and described opening, be provided with a space α, 0mm < α≤2mm.The frictional force between rotating shaft 140 and opening can be reduced, be conducive to the rotation of rotating shaft 140.
In described loach fry breeding method, also comprise:
When trichodinasis is sent out, thirty every morning 9 or thirty at noon 2 or thirty in the evening 7, after described top splendid attire 350mL concentration of getting rid of liquid box 110 is the copper sulphate of 0.7mg/L and mixture of ferrous sulfate, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described copper sulphate and mixture of ferrous sulfate are thrown away from getting rid of liquid box 110, repeat 4 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
In described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, thirty every morning 9 or thirty at noon 2 or thirty in the evening 7, at described top splendid attire 550mL second bactericide getting rid of liquid box 110, by the first starter motor 150 of controller, open the first magnetic valve 120 again, described second bactericide is thrown away from getting rid of liquid box 110, repeat 4 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.15 part, salt 0.5 part, 0.5 part, sodium bicarbonate and 12 parts, water.Saprolegniasis belongs to fungal infection, and lywallzyme can decompose fungal cell wall, causes fungi dead.
In described loach fry breeding method, described in get rid of the distance from bottom pond water surface 35cm of liquid box 110.
In described loach fry breeding method, every 15m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, the exit of described escape pipe is provided with capping, described capping is removably connected with described escape pipe, when needing to pass into ozone, opens capping, when not needing to pass into, close capping, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with described controller;
The first tenday period of a month every month in annual July and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.4mg/L, continue to pass into 7min.By controller opens second magnetic valve, ozone enters pond, carries out disinfection to pond, and ozone decomposed becomes oxygen, also can increase the oxygen content in pond.
Embodiment 4
The invention provides a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manages: every morning 9 point, at 1 at noon and 6 pm, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is 5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: seed is moved to pond first 10 days from culturing pool, drains the water in pond, with the quicklime of 50kg/ mu, pond is carried out disinfection;
Seed is thrown in: after seed cultivates 10 days in culturing pool, taking-up, and be placed in after the first bactericide soaks 15min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is 3% of loach TBW, and the feeding volume of mixed feed described in spring and fall is 10% of loach TBW.
In described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 3 parts, lysozyme 1 part, shitosan 2 parts, 15 parts, pyroligneous liquor and 70 parts, water.
In described loach fry breeding method, the described pond depth of water is 1.2m.
In described loach fry breeding method, also comprise:
When trichodinasis is sent out, every morning 10 or at 3 at noon or evening 8 point, the concentration applying 6.67L/ mu in pond is that the copper sulphate of 0.7mg/L and mixture of ferrous sulfate repeat 5 days, and wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
In described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, every morning 10 or at 3 at noon or evening 8 point, in pond, apply the second bactericide of 10.005L/ mu, repeat 5 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.2 part, salt 0.6 part, 0.6 part, sodium bicarbonate and 15 parts, water.
In described loach fry breeding method, every 20m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, the exit of described escape pipe is provided with capping, described capping is removably connected with described escape pipe, when needing to pass into ozone, opens capping, when not needing to pass into, close capping, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with controller;
The first tenday period of a month every month in annual October and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.5mg/L, continue to pass into 10min.By controller opens second magnetic valve, ozone enters pond, carries out disinfection to pond, and ozone decomposed becomes oxygen, also can increase the oxygen content in pond.
Embodiment 5
The invention provides a kind of loach fry breeding method, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manages: every morning 9 point, at 1 at noon and 6 pm, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is 5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: seed is moved to pond first 10 days from culturing pool, drains the water in pond, with the quicklime of 50kg/ mu, pond is carried out disinfection;
Seed is thrown in: after seed cultivates 10 days in culturing pool, taking-up, and be placed in after the first bactericide soaks 15min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is 3% of loach TBW, and the feeding volume of mixed feed described in spring and fall is 10% of loach TBW.
In described loach fry breeding method, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 3 parts, lysozyme 1 part, shitosan 2 parts, 15 parts, pyroligneous liquor and 70 parts, water.
In described loach fry breeding method, the described pond depth of water is 1.2m.
In described loach fry breeding method, also comprise:
When trichodinasis is sent out, every morning 10 or at 3 at noon or evening 8 point, in pond, apply copper sulphate that 6.67L/ mu concentration is 0.7mg/L and mixture of ferrous sulfate repeats 5 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
In described loach fry breeding method, also comprise:
When saprolegniasis disease is sent out, every morning 10 or at 3 at noon or evening 8 point, in pond, apply 10.005L/ mu second bactericide, repeat 5 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.2 part, salt 0.6 part, 0.6 part, sodium bicarbonate and 15 parts, water.
Comparative example
Beneficial effect of the present invention is further illustrated by comparative example.Cultivate loach fry with the method for embodiment 1 to 5, the growing state of loach is in table 1.
As can be seen from Table 1, adopt and get rid of liquid box spraying medicine, make herbal sprinkling evenly, more comprehensively, more thoroughly, the survival rate of loach different times is higher in control, infects the loach of damage by disease and insect less.Adopt ozone to carry out sterilization to pond the 5-10 month, damage by disease and insect odds can be reduced, make the survival rate of loach higher.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the embodiment described and legend.

Claims (9)

1. a loach fry breeding method, is characterized in that, comprising:
Culturing pool is built: arrange the cement pit of long 7m, wide 1.5m and high 0.3m as culturing pool;
Culturing pool is sterilized: seed to be put in a suitable place to breed to described culturing pool first 1 day, carries out disinfection to culturing pool with the potassium permanganate that mass fraction is 0.01%;
Seed is put in a suitable place to breed: after the oxygen bag that seed is housed being put into the slow seedling 10min of culturing pool, then seed is put into culturing pool, breeding density is 10,000 tails/m 2;
Culturing pool manage: every morning 8-9 point, noon 12-1 point and afternoon 5-6 point, bait of throwing something and feeding, described bait comprises yolk, soya-bean milk, wheat flour, earthworm powder, fairy shrimp and wheel animalcule, and described bait feeding amount is the 2-5% of seed TBW;
Water quality management: in culturing pool, every morning 9 and at 7 in evening more renew water, and quantity of exchanged water is 1/4 of culturing pool total Water, timely soil pick-up when finding that there is dirt;
Pond disinfection: 5-10 days before seed is moved to pond from culturing pool, drains the water in pond, carry out disinfection with the quicklime of 50kg/ mu to pond;
Seed is thrown in: after seed cultivates 6-10 days in culturing pool, takes out, and be placed in after the first bactericide soaks 10-15min, put into pond, breeding density is 200,000 tails/mu;
Pond manages: seed is put in a suitable place to breed to pond, to throw something and feed mixed feed, described mixed feed by feed of animal origin and artifical compound feed in mass ratio for 3:1 forms, described feed of animal origin comprises small fish and shrimp, water earthworm and fish meal, described artifical compound feed comprises dregs of beans, wheat bran, corn flour and vitamin, described in winter and summer, the feeding volume of mixed feed is the 1-3% of loach TBW, and the feeding volume of mixed feed described in spring and fall is the 5-10% of loach TBW.
2. loach fry breeding method as claimed in claim 1, it is characterized in that, described first bactericide is made up of the component of following parts by weight: Tea Polyphenols 2-3 part, lysozyme 0.5-1 part, shitosan 1-2 part, pyroligneous liquor 10-15 part and water 50-70 part.
3. loach fry breeding method as claimed in claim 1, it is characterized in that, the described pond depth of water is 1-1.2m.
4. loach fry breeding method as claimed in claim 1, is characterized in that, the every 30-40m in top in described pond 2be provided with one and get rid of liquid box, describedly get rid of the cylindrical that liquid box is inner hollow, the sidewall of described bottom and bottom of getting rid of liquid box is all arranged at intervals with multiple through hole, and described in get rid of the bottom of liquid box mid portion be enclosed construction, described middle part of getting rid of liquid box is provided with the first magnetic valve, described first magnetic valve is connected with controller, described top of getting rid of liquid box is removably connected with its sidewall, described bottom of getting rid of liquid box is vertically provided with a support bar, the top of described support bar is divided into hollow-core construction, the top of described support bar is provided with an opening, the top of described support bar and the described middle section contacts getting rid of the bottom of liquid box, the bottom in described pond is inserted in the bottom of described support bar, described bottom of getting rid of liquid box is provided with a rotating shaft, one end of described rotating shaft is fixedly connected with the described mid portion getting rid of the bottom of liquid box, the other end of described rotating shaft passes described opening and inserts in described support bar, the other end of described rotating shaft is connected with a motor, described motor is connected with described controller.
5. loach fry breeding method as claimed in claim 4, is characterized in that, be provided with a space α between described rotating shaft and described opening, 0mm < α≤2mm.
6. loach fry breeding method as claimed in claim 4, is characterized in that, also comprise:
When trichodinasis is sent out, every morning 9-10 point or noon 2-3 point or evening 7-8 point, after described top splendid attire 300-400mL concentration of getting rid of liquid box is the copper sulphate of 0.7mg/L and mixture of ferrous sulfate, by the first starter motor of controller, open the first magnetic valve again, described copper sulphate and mixture of ferrous sulfate are thrown away from getting rid of liquid box, repeat 3-5 days, wherein, in described copper sulphate and mixture of ferrous sulfate, the mass ratio of copper sulphate and ferrous sulfate is 5:2.
7. loach fry breeding method as claimed in claim 4, is characterized in that, also comprise:
When saprolegniasis disease is sent out, every morning 9-10 point or noon 2-3 point or evening 7-8 point, at described top splendid attire 500-600mL second bactericide getting rid of liquid box, by the first starter motor of controller, open the first magnetic valve again, described second bactericide is thrown away from getting rid of liquid box, repeat 3-5 days, wherein, described second bactericide is made up of the component of following parts by weight: lywallzyme 0.1-0.2 part, salt 0.4-0.6 part, sodium bicarbonate 0.4-0.6 part and water 10-15 part.
8. loach fry breeding method as claimed in claim 4, is characterized in that, described in get rid of the distance from bottom pond water surface 30-40cm of liquid box.
9. loach fry breeding method as claimed in claim 4, is characterized in that, every 10-20m in described pond 2be provided with ozone escape pipe, described escape pipe is connected with ozone generator, and the exit of described escape pipe is provided with capping, and described capping is removably connected with described escape pipe, be provided with the second magnetic valve in described escape pipe, described second magnetic valve is connected with described controller;
The first tenday period of a month every month of the annual 5-10 month and the last ten-days period all pass into an ozone in pond, make ozone concentration in pond be after 0.3-0.5mg/L, continue to pass into 5-10min.
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CN106540245A (en) * 2016-11-03 2017-03-29 广东省微生物研究所 A kind of lywallzyme is in anti-Fish funguses and prepares application in anti-Fish fungi-medicine
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CN111328758A (en) * 2020-03-13 2020-06-26 浙江省海洋水产研究所 Subregion pond of breeding fish

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