CN108496701A - A kind of high efficiency supports the administrative skill of grass carp - Google Patents

A kind of high efficiency supports the administrative skill of grass carp Download PDF

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Publication number
CN108496701A
CN108496701A CN201810139995.8A CN201810139995A CN108496701A CN 108496701 A CN108496701 A CN 108496701A CN 201810139995 A CN201810139995 A CN 201810139995A CN 108496701 A CN108496701 A CN 108496701A
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grass carp
parts
aquaculture pond
microbiological feed
amount
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梁东二
吴秋青
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Donglanxian Ann Basket East Two Farms
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Donglanxian Ann Basket East Two Farms
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • A01K61/13Prevention or treatment of fish diseases
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/10Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/12Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/10Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/16Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/20Animal feeding-stuffs from material of animal origin
    • A23K10/22Animal feeding-stuffs from material of animal origin from fish
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/163Sugars; Polysaccharides
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/80Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Biotechnology (AREA)
  • Physiology (AREA)
  • Health & Medical Sciences (AREA)
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  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
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  • Biodiversity & Conservation Biology (AREA)
  • Biochemistry (AREA)
  • Sustainable Development (AREA)
  • Birds (AREA)
  • Insects & Arthropods (AREA)
  • Feed For Specific Animals (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Fodder In General (AREA)

Abstract

The invention discloses the administrative skills that a kind of high efficiency supports grass carp, include the following steps:(1) aquaculture pond management;(2) epidemic prevention management;(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, as 10~30d of fry growth, the amount for feeding microbiological feed daily is the 2~3% of fish body weight;As 31~90d of fry growth, the amount for feeding microbiological feed daily is the 3~5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is the 5~7% of fish body weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 6~10% of fish body weight.The technological means that the present invention uses can efficiently cultivate grass carp using the ecosystem, can not only can improve the yield of grass carp, moreover it is possible to which the premunition for improving grass carp improves the water quality of culturing pool, can be widely applied for a long time, has large market application value.

Description

A kind of high efficiency supports the administrative skill of grass carp
【Technical field】
The present invention relates to the cultivation field of grass carp, more particularly to a kind of high efficiency supports the administrative skill of grass carp.
【Background technology】
Grass carp is herbivore, is typical herbivorous fishes.It is overwintering at the deep water in mainstream or lake.Breeding season parent Fish, which is traced back, swims habit.The many countries for growing Asia, Europe, the United States, non-each continent are moved.Because growth is rapid, feed resource is wide, is China One of four large Chinese carps of freshwater aquiculture.Grass carp is the improved seeds that many raisers like cultivation, but common cultural method is supported After growing grass carp 3~4 years, the resistance of grass carp declines, and breeding efficiency reduces, and reduces the economic benefit of raiser.Therefore, it studies A kind of high efficiency supports the administrative skill of grass carp, improves the premunition and breeding efficiency of grass carp, increases the economic benefit of raiser, has There is large market promotional value meaning.
【Invention content】
Present invention aims at a kind of administrative skill of the foster grass carp of high efficiency is provided, which first passes through supports in aquaculture pond Water plant and green alga are grown, makes the ecosystem for forming fish-water plant-algae in aquaculture pond, increases the premunition of grass carp, improve grass carp Breeding efficiency;Then epidemic prevention management is carried out to fry, improves the premunition of grass carp;Finally by the technology for feeding microbiological feed Means improve the yield of grass carp.The technological means that the present invention uses can efficiently cultivate grass carp using the ecosystem, can not only energy Enough improve the yield of grass carp, moreover it is possible to which the premunition for improving grass carp improves the water quality of culturing pool, can carry out large area for a long time and push away Extensively, there is large market application value.
In order to achieve the above objectives, the technical solution adopted in the present invention is:A kind of high efficiency supports the administrative skill of grass carp, packet Include following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 25~30cm, exposure 15d, is opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of X fonts inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 50 are planted in irrigation canals and ditches ~75d then cultivates 10~20d of green alga in aquaculture pond, water level in aquaculture pond is finally increased to 2.0~2.3m, is finally pressed Grass carp seedling is put in a suitable place to breed according to the specification of 2000~3000 tails/mu;
(2) epidemic prevention management:Keep aquaculture pond in water body pH value be 6.8~7.2, the stream that water temperature is 18~35 DEG C and water body Dynamic rate is 0.1~0.3m/s, and bactericidal liquid is sprayed in aquaculture pond by 10kg/ mus of dosage every 15d, once find sick fish, Immediately sick fish is concentrated in isolation tank be isolated growing;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2~3% of fish body weight;As 31~90d of fry growth, feed daily The amount of microbiological feed is the 3~5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is The 5~7% of fish body weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 6~10% of fish body weight.
In the present invention, as further explanation, the microbiological feed described in step (3) is prepared by following methods:By weight Number meter is measured, by 35~62 parts of diatom powders, 20~35 parts of spirulina powders, 20~40 parts of fermentation analysis for soybean powder, 15~33 parts of fermented cottons After mixing, 300~500 parts of deionized waters are added in dregs of rice powder, 12~20 parts of cassiris and 13~28 parts of fish meal, 25~ 4~8h of activation process at 35 DEG C is stirred 5~10min with the speed of 100~200r/min, while with the speed of 2mL/min Gelatinized starch is instilled in above-mentioned reaction system, continues 10~20min of stirring after titration, after being finally spray-dried, Compression molding obtains microbiological feed.
In the present invention, as further explanation, the activation process is full of carbon dioxide and nitrogen mixture Sealing and fermenting is handled in the environment of body.
In the present invention, as further explanation, carbon dioxide and nitrogen in the carbon dioxide and nitrogen mixed gas The volume ratio of gas is 10~20:3.
In the present invention, as further explanation, the cultivated area of the hydrilla verticillata water plant described in step (1) is aquaculture pond The 25~35% of area.
In the present invention, as further explanation, the cultivating condition of the green alga described in step (1) is:Temperature is 25~33 DEG C, intensity of illumination is 2000~3500Lx and transparency is 25~35cm.
The function introduction of part material is as follows:
Hydrilla verticillata water plant is used as the hydrophyte feedstuff of grass carp in the present invention.
Green alga, in the present invention be used as grass carp algae feed, while can also purifying aquaculture pond water quality.
Diatom powder, spirulina powder are used as preparing the microbe composition of microbiological feed in the present invention
Ferment analysis for soybean powder, fermentation cotton dregs powder and cassiri, protein, the vitamin being used as in the present invention in feed With the main source of crude fat, and fermentation process can make the raw material be easy absorbed by grass carp.
Fish meal, in the present invention with the macroelements such as offer abundant protein, crude fat and calcium, iron.
Gelatinized starch is used as binding material in the present invention.
Carbon dioxide makes material be in sour gas environment, the fermentation for promoting material.
Nitrogen while being used to provide nitrogen source for the microbial fermentation of material in the present invention, completely cuts off ambient atmos, promotes The progress of fermentation.
The invention has the advantages that:
1. the present invention in aquaculture pond using grass carp is cultivated, water plant and green alga are planted, is constructed in aquaculture pond The ecological recycle system of fish-water plant-algae greatly improves the premunition of grass carp, and then promotes the yield of grass carp.The present invention passes through Water plant is planted in aquaculture pond, the oxygen that can be generated by the photosynthesis of water plant makes the dissolved oxygen in aquaculture pond increase, meets The requirement high to dissolved oxygen content of grass carp, improves the breeding efficiency of grass carp;On the other hand, green by being cultivated in aquaculture pond Algae can enrich the hay varieties of grass carp, and abundant nutrient is provided for grass carp;And the cultivation of water plant and green alga can improve The water quality of aquaculture pond reduces pollution of the fish excrement for culturing pool, reduces the cost of disease-resistant liquid;The excreta of grass carp can also be The growth of water plant provides abundant nutriment, promotes the formation of ecological environment in aquaculture pond.Mutually promoting between this three It is restricted with mutual, is configured to the ecological recycle system of adult fish-water plant-algae, generated total effect is significantly larger than individually supported Grow or cultivate two-by-two the simple summation of generated effect.
2. microbiological feed prepared by the present invention is not only rich in protein, vitamin, crude fat and trace element, also contain Abundant microorganism promotes absorption of the grass carp to other nutriments, and then improves the premunition and yield of grass carp.In the present invention Diatom powder and spirulina powder, the organic selenium containing high-content, be used as preparing selenium in microbiological feed in the present invention The main source of element, and Organic Selenium can also promote grass carp for the absorption of other nutrients;Fermentation analysis for soybean powder, fermentation cotton dregs Powder and cassiri can not only provide abundant protein, vitamin and crude fat, and fermentation process can make the original Material is easy to be absorbed by grass carp;Fish meal can provide abundant protein and calcium constituent;And gelatinized starch energy bonds well above-mentioned substance, Raw material, reduction can also be efficiently protected to go mouldy while keeping raw material fixed-type.To sum up, above-mentioned taken various raw material phases Mutually coordinate, mutually promote, is progressive, is indispensable, improving the yield of grass carp jointly, total effect of generation is significantly larger than The simple adduction of effect acquired by single raw material.
【Specific implementation mode】
Embodiment 1:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 35 parts of diatom powders, 20 parts of spirulina powders, 20 parts of fermentation soya beans After mixing, 300 parts of deionized waters are added, at 25 DEG C in powder, 15 parts of fermentation cotton dregs powder, 12 parts of cassiris and 13 parts of fish meal Under, it is 10 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 4h, with 100r/ The speed of min is stirred 5min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 10min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 25cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 50d are planted in irrigation canals and ditches, is connect It and cultivates green alga 10d under conditions of temperature is 25 DEG C, intensity of illumination is 2000Lx and transparency is 25cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.0m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 2000 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 25%;
(2) epidemic prevention management:The pH value of water body is 6.8 in holding aquaculture pond, water temperature is 18 DEG C and the flow rate of water body is 0.1m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately concentrates sick fish Isolation is carried out in isolation tank to grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2% of fish body weight;As 31~90d of fry growth, feed daily micro- The amount of biological feedstuff is the 3% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish body weight 5%;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 6% of fish body weight.
Embodiment 2:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 42 parts of diatom powders, 245 parts of spirulina powders, 22 parts of fermentation soya beans After mixing, 340 parts of deionized waters are added, at 27 DEG C in powder, 20 parts of fermentation cotton dregs powder, 15 parts of cassiris and 18 parts of fish meal Under, it is 12 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 5h, with 130r/ The speed of min is stirred 6min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 15min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 28cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 55d are planted in irrigation canals and ditches, is connect It and cultivates green alga 14d under conditions of temperature is 30 DEG C, intensity of illumination is 2500Lx and transparency is 29cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.1m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 2300 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 30%;
(2) epidemic prevention management:The pH value of water body is 6.9 in holding aquaculture pond, water temperature is 20 DEG C and the flow rate of water body is 0.15m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately collects sick fish In carried out in isolation tank isolation grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2.7% of fish body weight;As 31~90d of fry growth, feed daily The amount of microbiological feed is the 3.5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish The 6% of weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 8% of fish body weight.
Embodiment 3:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 45 parts of diatom powders, 28 parts of spirulina powders, 33 parts of fermentation soya beans After mixing, 400 parts of deionized waters are added, at 26 DEG C in powder, 26 parts of fermentation cotton dregs powder, 17 parts of cassiris and 25 parts of fish meal Under, it is 19 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 6h, with 170r/ The speed of min is stirred 8min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 12min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 27cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 63d are planted in irrigation canals and ditches, is connect It and cultivates green alga 18d under conditions of temperature is 30 DEG C, intensity of illumination is 3000Lx and transparency is 27cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.2m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 2500 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 31%;
(2) epidemic prevention management:The pH value of water body is 7.0 in holding aquaculture pond, water temperature is 26 DEG C and the flow rate of water body is 0.2m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately concentrates sick fish Isolation is carried out in isolation tank to grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2.3% of fish body weight;As 31~90d of fry growth, feed daily The amount of microbiological feed is the 3.5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish The 6.2% of weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 9% of fish body weight.
Embodiment 4:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 55 parts of diatom powders, 23 parts of spirulina powders, 38 parts of fermentation soya beans After mixing, 400 parts of deionized waters are added, at 31 DEG C in powder, 30 parts of fermentation cotton dregs powder, 14 parts of cassiris and 25 parts of fish meal Under, it is 18 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 6h, with 140r/ The speed of min is stirred 9min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 13min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 26cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 64d are planted in irrigation canals and ditches, is connect It and cultivates green alga 16d under conditions of temperature is 27 DEG C, intensity of illumination is 3100Lx and transparency is 30cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.2m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 2800 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 29%;
(2) epidemic prevention management:The pH value of water body is 7.1 in holding aquaculture pond, water temperature is 32 DEG C and the flow rate of water body is 0.15m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately collects sick fish In carried out in isolation tank isolation grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2.7% of fish body weight;As 31~90d of fry growth, feed daily The amount of microbiological feed is the 4.2% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish The 6.5% of weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 9% of fish body weight.
Embodiment 5:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 60 parts of diatom powders, 32 parts of spirulina powders, 35 parts of fermentation soya beans After mixing, 450 parts of deionized waters are added, at 30 DEG C in powder, 24 parts of fermentation cotton dregs powder, 18 parts of cassiris and 26 parts of fish meal Under, it is 14 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 7h, with 160r/ The speed of min is stirred 7min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 15min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 26cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 69d are planted in irrigation canals and ditches, is connect It and cultivates green alga 14d under conditions of temperature is 27 DEG C, intensity of illumination is 2800Lx and transparency is 30cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.1m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 2900 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 26%;
(2) epidemic prevention management:The pH value of water body is 7.1 in holding aquaculture pond, water temperature is 33 DEG C and the flow rate of water body is 0.25m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately collects sick fish In carried out in isolation tank isolation grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 2.2% of fish body weight;As 31~90d of fry growth, feed daily The amount of microbiological feed is the 4.3% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish The 5.8% of weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 7.5% of fish body weight.
Embodiment 6:
1. early-stage preparations:
The preparation of microbiological feed:It counts in parts by weight, by 62 parts of diatom powders, 35 parts of spirulina powders, 40 parts of fermentation soya beans After mixing, 500 parts of deionized waters are added, at 35 DEG C in powder, 33 parts of fermentation cotton dregs powder, 20 parts of cassiris and 28 parts of fish meal Under, it is 20 to be filled with volume ratio:The mixed gas that 3 carbon dioxide and nitrogen is composed is sealed by fermentation processing 8h, with 200r/ The speed of min is stirred 10min, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, has titrated Continue to stir 20min after finishing, after being finally spray-dried, compression molding obtains microbiological feed.
The substance that above-mentioned early period is prepared is used for following administrative skills.
2. a kind of high efficiency supports the administrative skill of grass carp, include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 30cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond Then the irrigation canals and ditches of shape inject the water that depth is 0.25m into aquaculture pond bottom, hydrilla verticillata water plant 75d are planted in irrigation canals and ditches, is connect It and cultivates green alga 20d under conditions of temperature is 33 DEG C, intensity of illumination is 3500Lx and transparency is 35cm in aquaculture pond, most Water level in aquaculture pond is increased to 2.3m afterwards, finally puts grass carp seedling in a suitable place to breed according to the specification of 3000 tails/mu;The hydrilla verticillata water The cultivated area of grass is cultivate pool area 35%;
(2) epidemic prevention management:The pH value of water body is 7.2 in holding aquaculture pond, water temperature is 35 DEG C and the flow rate of water body is 0.3m/s sprays bactericidal liquid by 10kg/ mus of dosage every 15d in aquaculture pond, once finding sick fish, immediately concentrates sick fish Isolation is carried out in isolation tank to grow;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, works as fry growth When 10~30d, the amount for feeding microbiological feed daily is the 3% of fish body weight;As 31~90d of fry growth, feed daily micro- The amount of biological feedstuff is the 5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish body weight 7%;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 10% of fish body weight.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to In the covered the scope of the claims of the present invention.

Claims (6)

1. a kind of high efficiency supports the administrative skill of grass carp, it is characterised in that:Include the following steps:
(1) aquaculture pond management:The soil for cultivating bottom of pond portion is ploughed deeply into 25~30cm, exposure 15d, X words are opened up in aquaculture pond bottom of pond The irrigation canals and ditches of shape, then inject the water that depth is 0.25m into aquaculture pond bottom, planted in irrigation canals and ditches hydrilla verticillata water plant 50~ 75d, then in aquaculture pond cultivate 10~20d of green alga, water level in aquaculture pond is finally increased to 2.0~2.3m, finally according to The specification of 2000~3000 tails/mu puts grass carp seedling in a suitable place to breed;
(2) epidemic prevention management:The pH value of water body is 6.8~7.2 in holding aquaculture pond, water temperature is 18~35 DEG C and the flowing of water body speed Rate is 0.1~0.3m/s, and bactericidal liquid is sprayed in aquaculture pond by 10kg/ mus of dosage every 15d, once find sick fish, immediately Sick fish is concentrated in isolation tank be isolated growing;
(3) management is fed:The microbiological feed that different proportion is fed by the grass carp difference growth time stage, when fry growth 10~ When 30d, the amount for feeding microbiological feed daily is the 2~3% of fish body weight;As 31~90d of fry growth, micro- life is fed daily The amount of object feed is the 3~5% of fish body weight;As 91~360d of fry growth, the amount for feeding microbiological feed daily is fish body The 5~7% of weight;As 361~900d of fry growth, the amount for feeding microbiological feed daily is the 6~10% of fish body weight.
2. a kind of high efficiency according to claim 1 supports the administrative skill of grass carp, it is characterised in that:Described in step (3) Microbiological feed is prepared by following methods:Count in parts by weight, by 35~62 parts of diatom powders, 20~35 parts of spirulina powders, 20~ 40 parts ferment analysis for soybean powder, 15~33 parts of fermentation cotton dregs powder, 12~20 parts of cassiris and 13~28 parts of fish meal after mixing, 300~500 parts of deionized waters are added, 4~8h of activation process at 25~35 DEG C is stirred with the speed of 100~200r/min 5~10min is mixed, while being instilled gelatinized starch in above-mentioned reaction system with the speed of 2mL/min, continues to stir after titration 10~20min, after being finally spray-dried, compression molding obtains microbiological feed.
3. a kind of high efficiency according to claim 2 supports the administrative skill of grass carp, it is characterised in that:The activation process For in the environment full of carbon dioxide and nitrogen mixed gas sealing and fermenting handle.
4. a kind of high efficiency according to claim 3 supports the administrative skill of grass carp, it is characterised in that:The carbon dioxide It is 10~20 with the volume ratio of carbon dioxide in nitrogen mixed gas and nitrogen:3.
5. a kind of high efficiency according to claim 1 supports the administrative skill of grass carp, it is characterised in that:Described in step (1) The cultivated area of hydrilla verticillata water plant is cultivate pool area 25~35%.
6. a kind of high efficiency according to claim 1 supports the administrative skill of grass carp, it is characterised in that:Described in step (1) The cultivating condition of green alga is:Temperature is 25~33 DEG C, intensity of illumination is 2000~3500Lx and transparency is 25~35cm.
CN201810139995.8A 2018-02-11 2018-02-11 A kind of high efficiency supports the administrative skill of grass carp Pending CN108496701A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06234652A (en) * 1992-06-08 1994-08-23 Mitsubishi Petrochem Co Ltd Preventive medicine for fish infectious disease
CN106819654A (en) * 2017-02-14 2017-06-13 黄怀勇 A kind of ecological cultivation method of silver carp
CN107079842A (en) * 2017-03-28 2017-08-22 陆川县恒伟养殖专业合作社 A kind of high-yield cultivation method of grass carp
CN107135994A (en) * 2017-04-28 2017-09-08 靖西市秀美边城农业科技有限公司 A kind of cultural method of anti-grass carp bacterial enteritis disease

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