CN108936094A - A kind of cray special feed and cultural method improving survival rate - Google Patents

A kind of cray special feed and cultural method improving survival rate Download PDF

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Publication number
CN108936094A
CN108936094A CN201811056426.3A CN201811056426A CN108936094A CN 108936094 A CN108936094 A CN 108936094A CN 201811056426 A CN201811056426 A CN 201811056426A CN 108936094 A CN108936094 A CN 108936094A
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parts
cray
pond
tackifier
survival rate
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赵其瑞
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Anhui Tu Yuan Agriculture Co Ltd
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Anhui Tu Yuan Agriculture Co Ltd
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/50—Culture of aquatic animals of shellfish
    • A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/24—Animal feeding-stuffs from material of animal origin from blood
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • A23K20/147—Polymeric derivatives, e.g. peptides or proteins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/163—Sugars; Polysaccharides
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/189—Enzymes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/28—Silicates, e.g. perlites, zeolites or bentonites
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/30—Oligoelements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

Abstract

The invention discloses a kind of cray special feeds for improving survival rate, and raw material includes: expanding blood meal 30-40, earthworm powder 10-20 by weight, coconut dregs of rice 20-30, PURE WHEY 40-50, corn embryo albumen powder 20-30, soybean milk powder 20-30, immunopotentiator 25-35, Se-enriched yeast 0.02-0.04, pectase 0.02-0.04, monascus 0.04-0.08, compound amino acid 0.06-0.12, binder 8-16.Binder includes: olive oil, conch meal, montmorillonite, tackifier.Tackifier are prepared using following technique: sweet potato powder, hydrochloric acid are stirred; filtering, dry, grinding; beta-cyclodextrin stirring is added; sodium hydroxide is added under stirring, stirred under nitrogen atmosphere is cooling; it is in neutrality with hydrochloric acid regulation system system; filtering, filtrate are washed with dehydrated alcohol, are dried to obtain tackifier.

Description

A kind of cray special feed and cultural method improving survival rate
Technical field
The present invention relates to crayfish breeding technique field more particularly to it is a kind of improve survival rate cray special feed and Cultural method.
Background technique
Cray is subordinate to Arthropoda hapalonychia guiding principle Decapoda Palinuridae lobster category, has brown, cephalothorax in body colour blueness Portion is coarse, and shell is hard, and individual larger, fine and tender taste, full of nutrition, market price is high, has very high economic value, and Lobster, Panulirus stimpsoni meat sweet-salty, it is clear tender tasty and refreshing, it is warm-natured, there is the effect of enriching yin and nourishing kidney, by the favor of people, market prospects are suitable It is wide.
Current cray in a manner of pond culture based on, and long-term high-density breeding bait residual is more, and lobster disease is more, Survival rate is low, and productivity effect is bad.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of cray special feeds for improving survival rate And cultural method, proportion is simple, and ingredient is scientific and reasonable, and raw material is easy to get, and it is low in cost, also in the case where not influencing ecology Economic benefit can be increased, by rationally cultivating, the quality and yield of cray is can promote, be also conducive to improve water quality, it is ensured that Nutrition needed for cray growth, improves the nutritive value of cray, cray meat can be made to get a promotion.
A kind of cray special feed improving survival rate proposed by the present invention, raw material includes: extruding blood by weight 30-40 parts of powder, 10-20 parts of earthworm powder, 20-30 parts of the coconut dregs of rice, 40-50 parts of PURE WHEY, corn embryo albumen powder 20-30 Part, 20-30 parts of soybean milk powder, 25-35 parts of immunopotentiator, 0.02-0.04 parts of Se-enriched yeast, 0.02-0.04 parts of pectase, red yeast rice It is 0.04-0.08 parts mould, 0.06-0.12 parts of compound amino acid, 8-16 parts of binder.
Preferably, immunopotentiator includes: 20-30 parts of Chinese yam, 2-6 parts of honeysuckle, 3-7 parts of garlic by weight.
Preferably, compound amino acid includes: 0.03-0.07 parts of tryptophan, 0.03-0.05 parts of threonine by weight.
Preferably, binder includes: olive oil, conch meal, montmorillonite, tackifier.
Preferably, olive oil, conch meal, montmorillonite, tackifier weight ratio be 1-2:4-8:2-4:2-4.
Preferably, tackifier are prepared using following technique: sweet potato powder, hydrochloric acid are stirred, filtered, dry, cooling, grinding, Beta-cyclodextrin stirring is added in sieving, and sodium hydroxide is added under stirring, and stirred under nitrogen atmosphere is cooling, adjusts body with hydrochloric acid It is that system is in neutrality, filtering, filtrate is washed with dehydrated alcohol, is dried to obtain tackifier.
Preferably, in the preparation process of tackifier, concentration of hydrochloric acid 0.8-1.4mol/L, sweet potato powder, hydrochloric acid, β-ring paste Essence, the weight ratio of sodium hydroxide are 20-30:80-100:20-30:0.6-1.4.
Preferably, tackifier are prepared using following technique: sweet potato powder, hydrochloric acid being stirred 20-30min, whipping temp is 120-130 DEG C, filtering, 85-95 DEG C of dry 2-4h is cooling, and grinding sieves with 100 mesh sieve net, and beta-cyclodextrin is added and stirs 8-16min, Whipping temp is 75-80 DEG C, mixing speed 3000-4000r/min, is added sodium hydroxide under stirring, under nitrogen protection 50-70min is stirred, whipping temp is 88-94 DEG C, cooling, is in neutrality, is filtered with hydrochloric acid regulation system system, and filtrate is with anhydrous Ethanol washing is dried to obtain tackifier.
A kind of cray cultural method proposed by the present invention, include the following steps: selection have abundant water resources, sludgeless pond The pool, the upper surface of pond are arranged roof insulating, are allowed to dry pond Nei Shui, solarization 4-6 days, obtain vacant pond；It discharges water into vacant pond, Water plant is planted after disinfection, the area coverage of water plant accounts for the 30-35% of pond area, obtains cultivating pond；Select 0.5-1.1cm's Cray shrimp seedling, which is thrown to, cultivates in pond, and injected volume is ten thousand/667m of 1.6-1.92；Feed the small dragon of above-mentioned raising survival rate Shrimp special feed, day injected volume are the 30-45% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
The present invention is compounded using tackifier with olive oil, conch meal, montmorillonite, and particle is spherical in shape good, and in good taste, particle is equal Even, completely, remaining bait is few, and the feed that do not fed is not easy to disperse, not polluted-water environment, reduces small dragon for cray feed The disease rate of shrimp further cooperates high cray thatch, honeysuckle, garlic effect, can effectively improve cray immunity, help effect Fruit is obvious, and degradable cray vivotoxin, while having the effect of spleen benefiting and stimulating the appetite, increases cray appetite.Of the invention In tackifier, sweet potato powder is dispersed in hydrochloric acid, promotes the rearrangement of protein molecular through Overheating Treatment, convenient for being divided with beta-cyclodextrin It dissipates, is crosslinked under certain condition, form cross-linked network structure, water solubility reduces obviously, and stability is good, and viscosity is high.
Present invention proportion is simple, and ingredient is scientific and reasonable, and raw material is easy to get, low in cost, in the situation for not influencing ecology Under can also increase economic benefit, by rationally cultivating, can promote the quality and yield of cray, be also conducive to improve water quality, can Nutrition needed for guaranteeing cray growth, improves the nutritive value of cray, cray meat can be made to get a promotion, obtain nothing The cray of public hazards.
The present invention use scientific feeding technology, improve bait utilization, reduce the investment of bait, reduce cultivation at This and save a large amount of labour, and can effectively enhance that cray body is degeneration-resistant, anti-stress ability, promote to increase weight gain, with Improve cray cultured output.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of cray special feed improving survival rate, raw material includes: expanding blood meal 30kg, earthworm powder 20kg, coconut palm Sub- dregs of rice 20kg, PURE WHEY 50kg, corn embryo albumen powder 20kg, soybean milk powder 30kg, immunopotentiator 25kg, Se-enriched yeast 0.04kg, pectase 0.02kg, monascus 0.08kg, compound amino acid 0.06kg, binder 16kg.
Immunopotentiator is made of by weight for 20:6:3 Chinese yam, honeysuckle, garlic.Compound amino acid by tryptophan, Threonine is 0.07:0.03 composition by weight.Binder is 2 by olive oil, conch meal, montmorillonite, tackifier by weight: 4:4:2 composition.
Tackifier use following technique to prepare: 30kg sweet potato powder, 80kg concentration are stirred into 20min for 1.4mol/L hydrochloric acid, Whipping temp is 130 DEG C, filtering, and 85 DEG C of dry 4h are cooling, and grinding sieves with 100 mesh sieve net, and the stirring of 20kg beta-cyclodextrin is added 16min, whipping temp are 75 DEG C, mixing speed 4000r/min, and 0.6kg sodium hydroxide, nitrogen protection is added under stirring Lower stirring 70min, whipping temp is 88 DEG C, cooling, is in neutrality with hydrochloric acid regulation system system, is filtered, filtrate dehydrated alcohol Washing, is dried to obtain tackifier.
A kind of cray cultural method, include the following steps: selection have abundant water resources, sludgeless pond, the upper surface of pond Roof insulating is set, is allowed to dry pond Nei Shui, solarization 6 days, obtains vacant pond；It discharges water into vacant pond, water plant is planted after disinfection, The area coverage of water plant accounts for the 30% of pond area, obtains cultivating pond；The cray shrimp seedling of selection 0.5-1.1cm is thrown to training It educates in pond, injected volume is 1.9 ten thousand/667m2；Feed the cray special feed of above-mentioned raising survival rate, day injected volume be The 30% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
Embodiment 2
A kind of cray special feed improving survival rate, raw material includes: expanding blood meal 40kg, earthworm powder 10kg, coconut palm Sub- dregs of rice 30kg, PURE WHEY 40kg, corn embryo albumen powder 30kg, soybean milk powder 20kg, immunopotentiator 35kg, Se-enriched yeast 0.02kg, pectase 0.04kg, monascus 0.04kg, compound amino acid 0.12kg, binder 8kg.
Immunopotentiator is made of by weight for 30:2:7 Chinese yam, honeysuckle, garlic.Compound amino acid by tryptophan, Threonine is 0.03:0.05 composition by weight.Binder is 1 by olive oil, conch meal, montmorillonite, tackifier by weight: 8:2:4 composition.
Tackifier use following technique to prepare: 20kg sweet potato powder, 100kg concentration are stirred into 30min for 0.8mol/L hydrochloric acid, Whipping temp is 120 DEG C, filtering, and 95 DEG C of dry 2h are cooling, and grinding sieves with 100 mesh sieve net, and the stirring of 30kg beta-cyclodextrin is added 8min, whipping temp are 80 DEG C, mixing speed 3000r/min, and 1.4kg sodium hydroxide, nitrogen protection is added under stirring Lower stirring 50min, whipping temp is 94 DEG C, cooling, is in neutrality with hydrochloric acid regulation system system, is filtered, filtrate dehydrated alcohol Washing, is dried to obtain tackifier.
A kind of cray cultural method, include the following steps: selection have abundant water resources, sludgeless pond, the upper surface of pond Roof insulating is set, is allowed to dry pond Nei Shui, solarization 4 days, obtains vacant pond；It discharges water into vacant pond, water plant is planted after disinfection, The area coverage of water plant accounts for the 35% of pond area, obtains cultivating pond；The cray shrimp seedling of selection 0.5-1.1cm is thrown to training It educates in pond, injected volume is 1.6 ten thousand/667m2；Feed the cray special feed of above-mentioned raising survival rate, day injected volume be The 45% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
Embodiment 3
A kind of cray special feed improving survival rate, raw material includes: expanding blood meal 33kg, earthworm powder 18kg, coconut palm Sub- dregs of rice 22kg, PURE WHEY 46kg, corn embryo albumen powder 23kg, soybean milk powder 27kg, immunopotentiator 28kg, Se-enriched yeast 0.035kg, pectase 0.025kg, monascus 0.07kg, compound amino acid 0.08kg, binder 14kg.
Immunopotentiator is made of by weight for 22:5:4 Chinese yam, honeysuckle, garlic.Compound amino acid by tryptophan, Threonine is 0.06:0.035 composition by weight.Binder is by weight by olive oil, conch meal, montmorillonite, tackifier 1.7:5:3.5:2.5 composition.
Tackifier use following technique to prepare: 28kg sweet potato powder, 85kg concentration are stirred into 22min for 1.2mol/L hydrochloric acid, Whipping temp is 128 DEG C, filtering, and 88 DEG C of dry 3.5h are cooling, and grinding sieves with 100 mesh sieve net, and the stirring of 22kg beta-cyclodextrin is added 14min, whipping temp are 76 DEG C, mixing speed 3800r/min, and 0.8kg sodium hydroxide, nitrogen protection is added under stirring Lower stirring 65min, whipping temp is 90 DEG C, cooling, is in neutrality with hydrochloric acid regulation system system, is filtered, filtrate dehydrated alcohol Washing, is dried to obtain tackifier.
A kind of cray cultural method, include the following steps: selection have abundant water resources, sludgeless pond, the upper surface of pond Roof insulating is set, is allowed to dry pond Nei Shui, solarization 6 days, obtains vacant pond；It discharges water into vacant pond, water plant is planted after disinfection, The area coverage of water plant accounts for the 32% of pond area, obtains cultivating pond；The cray shrimp seedling of selection 0.5-1.1cm is thrown to training It educates in pond, injected volume is 1.8 ten thousand/667m2；Feed the cray special feed of above-mentioned raising survival rate, day injected volume be The 35% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
Embodiment 4
A kind of cray special feed improving survival rate, raw material includes: expanding blood meal 37kg, earthworm powder 12kg, coconut palm Sub- dregs of rice 28kg, PURE WHEY 44kg, corn embryo albumen powder 27kg, soybean milk powder 23kg, immunopotentiator 32kg, Se-enriched yeast 0.025kg, pectase 0.035kg, monascus 0.05kg, compound amino acid 0.1kg, binder 10kg.
Immunopotentiator is made of by weight for 28:3:6 Chinese yam, honeysuckle, garlic.Compound amino acid by tryptophan, Threonine is 0.04:0.045 composition by weight.Binder is by weight by olive oil, conch meal, montmorillonite, tackifier 1.3:7:2.5:3.5 composition.
Tackifier use following technique to prepare: 22kg sweet potato powder, 95kg concentration being stirred 28min for 1mol/L hydrochloric acid, stirred Mixing temperature is 122 DEG C, filtering, and 92 DEG C of dry 2.5h are cooling, and grinding sieves with 100 mesh sieve net, and the stirring of 28kg beta-cyclodextrin is added 10min, whipping temp are 78 DEG C, mixing speed 3200r/min, and 1.2kg sodium hydroxide, nitrogen protection is added under stirring Lower stirring 55min, whipping temp is 92 DEG C, cooling, is in neutrality with hydrochloric acid regulation system system, is filtered, filtrate dehydrated alcohol Washing, is dried to obtain tackifier.
A kind of cray cultural method, include the following steps: selection have abundant water resources, sludgeless pond, the upper surface of pond Roof insulating is set, is allowed to dry pond Nei Shui, solarization 4 days, obtains vacant pond；It discharges water into vacant pond, water plant is planted after disinfection, The area coverage of water plant accounts for the 34% of pond area, obtains cultivating pond；The cray shrimp seedling of selection 0.5-1.1cm is thrown to training It educates in pond, injected volume is 1.7 ten thousand/667m2；Feed the cray special feed of above-mentioned raising survival rate, day injected volume be The 40% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
Embodiment 5
A kind of cray special feed improving survival rate, raw material includes: expanding blood meal 35kg, earthworm powder 15kg, coconut palm Sub- dregs of rice 25kg, PURE WHEY 45kg, corn embryo albumen powder 25kg, soybean milk powder 25kg, immunopotentiator 30kg, Se-enriched yeast 0.03kg, pectase 0.03kg, monascus 0.06kg, compound amino acid 0.09kg, binder 12kg.
Immunopotentiator is made of by weight for 25:4:5 Chinese yam, honeysuckle, garlic.Compound amino acid by tryptophan, Threonine is 0.05:0.04 composition by weight.Binder is by weight by olive oil, conch meal, montmorillonite, tackifier 1.5:6:3:3 composition.
Tackifier use following technique to prepare: 25kg sweet potato powder, 90kg concentration are stirred into 25min for 1.1mol/L hydrochloric acid, Whipping temp is 125 DEG C, filtering, and 90 DEG C of dry 3h are cooling, and grinding sieves with 100 mesh sieve net, and the stirring of 25kg beta-cyclodextrin is added 12min, whipping temp are 77 DEG C, mixing speed 3500r/min, addition 1kg sodium hydroxide under stirring, under nitrogen protection 60min is stirred, whipping temp is 91 DEG C, it is cooling, it is in neutrality, is filtered with hydrochloric acid regulation system system, filtrate is washed with dehydrated alcohol It washs, is dried to obtain tackifier.
A kind of cray cultural method, include the following steps: selection have abundant water resources, sludgeless pond, the upper surface of pond Roof insulating is set, is allowed to dry pond Nei Shui, solarization 5 days, obtains vacant pond；It discharges water into vacant pond, water plant is planted after disinfection, The area coverage of water plant accounts for the 33% of pond area, obtains cultivating pond；The cray shrimp seedling of selection 0.5-1.1cm is thrown to training It educates in pond, injected volume is 1.75 ten thousand/667m2；Feed the cray special feed of above-mentioned raising survival rate, day injected volume be The 38% of cray weight；During feeding, every 4-6 days replacement water, until cray is mature.
The survival rate for using cray obtained by the cultural method of embodiment 5 is 96%, and yield increases production 25%, 50 grams or more Cray accounts for the 92% of total amount.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of cray special feed for improving survival rate, which is characterized in that its raw material includes: expanding blood meal by weight 30-40 parts, 10-20 parts of earthworm powder, 20-30 parts of the coconut dregs of rice, 40-50 parts of PURE WHEY, 20-30 parts of corn embryo albumen powder, 20-30 parts of soybean milk powder, 25-35 parts of immunopotentiator, 0.02-0.04 parts of Se-enriched yeast, 0.02-0.04 parts of pectase, monascus 0.04-0.08 parts, 0.06-0.12 parts of compound amino acid, 8-16 parts of binder.
2. improving the cray special feed of survival rate according to claim 1, which is characterized in that immunopotentiator is by weight Part includes: 20-30 parts of Chinese yam, 2-6 parts of honeysuckle, 3-7 parts of garlic.
3. the cray special feed according to claim 1 or claim 2 for improving survival rate, which is characterized in that compound amino acid is pressed Parts by weight include: 0.03-0.07 parts of tryptophan, 0.03-0.05 parts of threonine.
4. any one of -3 cray special feed for improving survival rate according to claim 1, which is characterized in that binder packet It includes: olive oil, conch meal, montmorillonite, tackifier.
5. improving the cray special feed of survival rate according to claim 4, which is characterized in that olive oil, conch meal, illiteracy Take off stone, the weight ratio of tackifier is 1-2:4-8:2-4:2-4.
6. the cray special feed according to claim 4 or 5 for improving survival rate, which is characterized in that tackifier are using such as Lower technique preparation: sweet potato powder, hydrochloric acid being stirred, filtered, dry, cooling, ground, sieving, and beta-cyclodextrin stirring is added, stirs shape It is added sodium hydroxide under state, stirred under nitrogen atmosphere is cooling, is in neutrality with hydrochloric acid regulation system system, filters, and filtrate is with anhydrous Ethanol washing is dried to obtain tackifier.
7. improving the cray special feed of survival rate according to claim 6, which is characterized in that the preparation process of tackifier In, concentration of hydrochloric acid 0.8-1.4mol/L, sweet potato powder, hydrochloric acid, beta-cyclodextrin, sodium hydroxide weight ratio be 20-30:80- 100:20-30:0.6-1.4.
8. improving the cray special feed of survival rate described according to claim 6 or 7, which is characterized in that tackifier are using such as Lower technique preparation: sweet potato powder, hydrochloric acid are stirred into 20-30min, whipping temp is 120-130 DEG C, filtering, 85-95 DEG C of dry 2- 4h, cooling, grinding sieves with 100 mesh sieve net, and beta-cyclodextrin is added and stirs 8-16min, whipping temp is 75-80 DEG C, and mixing speed is Sodium hydroxide, stirred under nitrogen atmosphere 50-70min, whipping temp 88-94 is added under stirring in 3000-4000r/min DEG C, it is cooling, it is in neutrality, is filtered with hydrochloric acid regulation system system, filtrate is washed with dehydrated alcohol, is dried to obtain tackifier.
9. a kind of cray cultural method, which comprises the steps of: selection have abundant water resources, sludgeless pond, pond Roof insulating is arranged in the upper surface of pool, is allowed to dry pond Nei Shui, solarization 4-6 days, obtains vacant pond；It discharges water, sterilizes into vacant pond After plant water plant, the area coverage of water plant accounts for the 30-35% of pond area, obtain cultivate pond；Select the small dragon of 0.5-1.1cm Shrimp shrimp seedling, which is thrown to, cultivates in pond, and injected volume is ten thousand/667m of 1.6-1.92；It feeds and improves survival described in claim 1-8 The cray special feed of rate, day injected volume are the 30-45% of cray weight；During feeding, every 4-6 days replacement water, until small Lobster is mature.
CN201811056426.3A 2018-09-11 2018-09-11 A kind of cray special feed and cultural method improving survival rate Pending CN108936094A (en)

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Application publication date: 20181207