CN110012967A - Improve the feed combinations and preparation method thereof of blue Sea crab survival rate - Google Patents
Improve the feed combinations and preparation method thereof of blue Sea crab survival rate Download PDFInfo
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- CN110012967A CN110012967A CN201910456556.4A CN201910456556A CN110012967A CN 110012967 A CN110012967 A CN 110012967A CN 201910456556 A CN201910456556 A CN 201910456556A CN 110012967 A CN110012967 A CN 110012967A
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- 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
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
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- 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
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
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- 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
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
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- 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
- A23K20/174—Vitamins
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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
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/3463—Organic compounds; Microorganisms; Enzymes
Abstract
The present invention relates to crab feeds, belong to aquaculture field.A kind of feed combinations improving blue Sea crab survival rate, composition include small fish shrimp, cyanobacteria, antibacterial material, nutriment, according to the difference in orchid crab growth and development period, the ratio dynamic change of small fish shrimp and cyanobacteria in the feed.This method is by improving the treatment process to small fish shrimp, the parasitic ovum carried in raw fishes and shrimps body and other pathogen are thoroughly killed in the case where not changing dietary regimen, avoid fragile juvenile crab by food pathogen or parasitic infection, improve the safety coefficient of diet, and foodstuff hardness can be effectively improved, avoiding enter into water body powdered leads to crab eating difficulties or leads to water eutrophication, brings adverse effect to the living environment of juvenile crab.
Description
Technical field
The present invention relates to culturing marine products more particularly to a kind of feed combinations for improving blue Sea crab survival rate and its preparation sides
Method.
Background technique
With the continuous improvement of Living consumption, the development of cold chain speed fortune originally belongs to coastal area regionality cuisines
Seafood products, gradually occupy market in hinterland, received by the majority of consumers.Crab is as with long edible history
Cuisines are popularized in national each region first.But crab cultivation scale is not obviously improved, crab class Aquatic product price
It is high.Existing crab cultivation region still concentrates on entrance of Changjiang River bank, Hainan part shoal area.To find out its cause, being limited to
Juvenile crab is to the rigors of environment, and the hatching survival rate of juvenile crab only 2% under manual simulation's environment, this severely limits crab class water
The development of product cultivating industry.How in limited cultured area, promote the raising of crab growth efficiency and the raising of yield,
Guarantee the normal growth of crab, it is necessary to which we reinforce the feeding management to crab in line with the principle of scientific culture, reinforce to feeding
The monitoring for the environment grown just can guarantee the healthy and strong growth of crab health.
In existing crab cultivation technique, suitably increase the ratio of animal fodder in crab feed, it on the one hand can be with
Its growth rate is greatly improved, in addition, having great effect for improving crab quality.The animal fodder of many crabs at present
It is to exist using fresh or freezing small fish and fish meal as primary raw material and destroy the stock of fish and easy polluted source and battalion
The disadvantages of part is unbalanced is formed, these feeds easily become paste in water, do not meet crab and the diet of molded food product is liked to practise
It is used；These feeds are easy putrid and deteriorated, polluted source, influence crab normal growth.
More it is essential that most area using just fishing must not small fish shrimp, it is simple crush after directly feed, by
It is extensive in the feed resource of small fish shrimp, no fixed feeding point.Cause the intracorporal helminth of small fish shrimp and other pathogen micro-
Biology invades in juvenile crab body in crab feeding process, and mass propagation causes juvenile crab malnutritive or directly dead in juvenile crab body
It dies.If will lead to the foods such as small fish shrimp to this kind of food meal high-temperature sterilization by the prior art and be easy to putrid and deteriorated,
The edible interest of crab is little, and is easy to destroy water body environment, leads to water eutrophication, smelly anoxic leads to the big face of juvenile crab
Product is dead.
Therefore, a kind of good crab cultivation feed is urgently needed for existing crab cultivation industry.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of feed combinations for improving blue Sea crab survival rate and its preparations
Method, the reason of solving low blue Sea crab juvenile crab survival rate now, slow growth.
Technical solution
Improve the feed combinations of blue Sea crab survival rate, which is characterized in that composition include small fish shrimp, cyanobacteria, antibacterial material,
Nutriment, according to the ratio dynamic change of small fish shrimp and cyanobacteria in the orchid crab growth and development period feed: main composition
95% the above are the parent crab phase feed of small fish shrimp, main composition be 80% cyanobacteria megalopa stage feed, main composition include
80% or more small fish shrimp at crab phase feed.
Further, megalops larva shell phase several times to before at crab, in feed cyanobacteria composition by initial 80% gradually under
20% is dropped to, cyanobacteria content decline 10% in its food of each shell of juvenile crab, until cyanobacteria content maintains 20% and no longer reduces.
Further, nutriment is amino acid, injection Vitamin B_6 M bacterium in above-mentioned each feed.
Further, the amino acid, injection Vitamin B_6 M bacterial content are 0.5~2g/Kg.
Further, antibacterial material includes Huolisu, strong precious, the Yongkang element of speed in above-mentioned each feed；
Further, the strong 0.5~2g/Kg of treasured of 0.5~2g/Kg of Huolisu, speed, Yongkang element in the megalopa stage feed
0.5~2g/Kg；
Further, further include 0.5~2g/Kg of aid nutrition substance seawood meal in feed, 0.5~2g/Kg of spirulina, disappear
Change 0.1~0.5g/Kg of element, 0.1~0.5g/Kg of Li Peilu.
Further, fructose and glucose are also added in parent crab phase and megalopa stage feed, sugared additive amount is food dissolution
To after water body, water body concentration is 0.2~3g/Kg, preferably 0.5~1.5g/Kg；
Further, the small fish shrimp is the fresh small fish shrimp of radiation sterilization processing.
Further, it is 0.2~5kGy that the small fish shrimp, which tires out the dosage of feed radiation treatment with irradiation,.
Further, small fish shrimp exists in the form of meat gruel in the feed, and the volume for feeding feed is juvenile crab volume
3~8 times, preferably 5~6 times.
Further, according to following feed processing technologies, also comprising added by feed processing process in above-mentioned items feed
Raw meat bonding agent.
The preparation method of the feed combinations of above-mentioned raising indigo plant Sea crab survival rate:
A. meat gruel state is completely comminuted to after taking fresh small fish shrimp to clean；
B. antibacterial substance and nutriment are added, and is stirred evenly；
C. 1~15% raw meat bonding agent of meat gruel quality is added, stirs evenly and is placed on 0~5 DEG C of 5~9h of refrigeration, obtain
To elastic hard meat piece；
D. elastic hard meat piece is placed in food irradiation machine device, eliminating pathogen, helminth and ovum；
E. it is crushed after being freezed to the elastic hard meat piece after irradiation, partial size required for obtaining.
Further, the dose of radiation not in d is 0.2~5kGy, preferably 3~5kGy.
Beneficial effect
Early stage juvenile crab hatches and grows, juvenile crab is small in size, and vivo environment is easy to dead by microorganism infection, using this
The combined crab feed provided is provided, by dynamically adjusting each raising stage algae and small fish shrimp proportioning components, is added
Antibacterial material, so that the growth demand of the more suitable crab stage of feed, can provide sufficiently in any stage of crab growth
Nutrition and antibacterial bacteriostatic substance.
Importantly, this method is not changing feed nutrition composition, crab by improving the treatment process to small fish shrimp
The parasitic ovum carried in raw fishes and shrimps body and other pathogen are thoroughly killed in the case where crab hobby state, avoid fragile juvenile crab
By food pathogen or parasitic infection, the safety coefficient of diet is improved, and effectively improves food elastic hardness, is avoided
Lead to crab eating difficulties into water body powdered or lead to water eutrophication, brings unfavorable shadow to the living environment of juvenile crab
It rings.
Detailed description of the invention
Attached drawing 1: the preparation flow figure of feed combinations.
Specific embodiment
Combined with specific embodiments below and Figure of description, the present invention is further explained.
Embodiment 1 (control group, orchid crab)
The preparation of normal diet: taking fresh small fish shrimp 1Kg, is completely comminuted to meat piece state after cleaning, for use.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 10 square metres, 10cm depth
Cultivating pool of the pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 70 tail megalops larvas of placement, maintain 30 DEG C of water body environments,
21 degree of water salinity, i.e., salt content is 21 ‰ in water, and water body pH value is maintained at 8.5 invariable, applications three times a day
Foodstuff prepared by embodiment, applied foodstuff weight are 0.4 times of juvenile crab weight.After 4 months, crab is captured, is calculated as
Motility rate about 7.2%.
Embodiment 2 (control group, orchid crab)
The preparation of normal diet: taking fresh small fish shrimp 1Kg, and meat piece state is completely comminuted to after cleaning, and adds antibacterial
Substance (the strong treasured 0.5g of Huolisu 0.5g, speed, Yongkang element 0.5g, seawood meal 0.5g, spirulina 0.5g, digestion element 0.1g, Li Peilu
0.1g) and nutriment (amino acid, each 1.2g of injection Vitamin B_6 M bacterium), it and stirs evenly stand-by.Each embodiment of the technical program
It is strong precious selected from GENCHEM that the Huolisu is selected from 500 gram/bottle package goods of Hainan Hemingway displays biology Co., Ltd, speed
The strong precious product of BIOTECHNOLOGY CO., LTD company Aminovita-P brand speed, seawood meal are after common seaweed is dried
Pulverulent product, Yongkang element are selected from the shrimp multi-vitamin product of EIKOSO brand, digestion element selected from rich still biochemical technology industry
The dedicated zymigen of fishes and shrimps seedling, the Li Peilu of Co., Ltd's production are produced selected from Guangzhou Kang Yuan aquatic biological Science and Technology Ltd.
Training algae product, EM bacterium solution be selected from Foshan City Shuande Zheng Yu feed corporation,Ltd sale positive space EM opportunistic pathogen, amino acid be selected from fish
The postdigestive ispol of shrimp chymotrypsin.These products, which belong to the industries such as mariculture those skilled in the art, can know
The versatility product of dawn, the technical program are not limited in these products of above-mentioned producer's production, other producers are produced same
Brand product is also considered as the protection scope of the technical program.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 10 square metres, 10cm depth
Cultivating pool of the pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 70 tail megalops larvas of placement, maintain 30 DEG C of water body environments,
21 degree of water salinity, water body pH value are maintained at 8.5 invariable, apply foodstuff prepared by the present embodiment three times a day,
Applied foodstuff weight is 0.4 times of juvenile crab weight.After 4 months, crab is captured, calculates survival rate about 11.3%
Embodiment 3 (experimental group, orchid crab)
The preparation (attached drawing 1) of feed: taking fresh small fish shrimp to take fresh small fish shrimp 1Kg, is completely comminuted to after cleaning
Meat gruel state；Add antibacterial substance (Huolisu 0.5g, speed strong treasured 0.5g, Yongkang element 0.5 g, seawood meal 0.5g, spirulina
0.5g, digestion element 0.1g, Li Peilu 0.1g) and nutriment (amino acid, each 1.5g of injection Vitamin B_6 M bacterium), and stir evenly；
Be added meat gruel quality 10% raw meat bonding agent (commercial package product, main ingredient be carragheen, konjaku flour, xanthan gum,
Sodium alginate), it stirs evenly and is placed on 3 DEG C of refrigeration 5h, obtain elastic hard meat piece；Elastic hard meat piece is placed in food irradiation machine
Device, 5kGy dose delivery is with eliminating pathogen, helminth and ovum；To the elastic hard meat piece after irradiation be refrigerated to subzero 20 DEG C into
Row crushes, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 10 square metres, 10cm depth
Cultivating pool of the pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 70 tail megalops larvas of placement, maintain 30 DEG C of water body environments,
21 degree of water salinity, water body pH value are maintained at 8.5 invariable, apply foodstuff prepared by the present embodiment three times a day,
Applied foodstuff weight is 0.4 times of juvenile crab weight.After 4 months, crab is captured, calculates survival rate about 95%.
Embodiment 4 (experimental group, orchid crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 1Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (the strong treasured 1.0g of Huolisu 1.5g, speed, Yongkang element 2g, seawood meal 1.0g, spirulina 0.5g, digestion element
0.2g, Li Peilu 0.2g) and nutriment (amino acid, each 1.2g of injection Vitamin B_6 M bacterium), and stir evenly；Meat gruel quality is added
8% raw meat bonding agent, stir evenly and be placed on 4 DEG C of refrigeration 6h, obtain elastic hard meat piece；Elastic hard meat piece is placed in food
Object irradiates machine, and 4kGy dose delivery is with eliminating pathogen, helminth and ovum；Zero is refrigerated to the elastic hard meat piece after irradiation
Lower 22 DEG C are crushed, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 10 square metres, 10cm depth
Cultivating pool of the pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 100 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 5 times a day, and applied foodstuff weight is 0.3 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 92%.
Embodiment 5 (experimental group, orchid crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 1Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (the strong treasured 1.5g of Huolisu 2.0g, speed, Yongkang element 1.2g, seawood meal 1.3g, spirulina 0.5g, digestion element
0.58g, Li Peilu 0.4g) and nutriment (amino acid, each 2g of injection Vitamin B_6 M bacterium), and stir evenly；Meat gruel quality is added
12% raw meat bonding agent, stir evenly and be placed on 4 DEG C of refrigeration 9h, obtain elastic hard meat piece；Elastic hard meat piece is placed in
Food irradiation machine device, 0.5kGy dose delivery is with eliminating pathogen, helminth and ovum；To the elastic hard meat piece freezing after irradiation
It is crushed to subzero 20 DEG C, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 10 square metres, 10cm depth
Cultivating pool of the pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 120 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 6 times a day, and applied foodstuff weight is 0.2 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 89%.
Embodiment 6 (experimental group, orchid crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 10Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (Huolisu 20g, the strong treasured 12g of speed, Yongkang element 18g, seawood meal 11g, spirulina 4g, digest element 1.5g,
Li Peilu 1.2g) and nutriment (amino acid, each 8g of injection Vitamin B_6 M bacterium), and stir evenly；The 5% of meat gruel quality is added
Raw meat bonding agent stirs evenly and is placed on 4 DEG C of refrigeration 10h, obtains elastic hard meat piece；Elastic hard meat piece is placed in food irradiation
Machine, 2kGy dose delivery is with eliminating pathogen, helminth and ovum；Subzero 20 are refrigerated to the elastic hard meat piece after irradiation
It DEG C is crushed, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 100 square metres, 10cm depth
Cultivating pool of the matter pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 2000 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 5 times a day, and applied foodstuff weight is 0.25 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 85%.
Embodiment 7 (experimental group, mud crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 10Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (Huolisu 20g, the strong treasured 12g of speed, Yongkang element 18g, seawood meal 11g, spirulina 4g, digest element 1.5g,
Li Peilu 1.2g) and nutriment (amino acid, each 5g of injection Vitamin B_6 M bacterium), and stir evenly；The 5% of meat gruel quality is added
Raw meat bonding agent stirs evenly and is placed on 4 DEG C of refrigeration 10h, obtains elastic hard meat piece；Elastic hard meat piece is placed in food irradiation
Machine, 2kGy dose delivery is with eliminating pathogen, helminth and ovum；Subzero 20 are refrigerated to the elastic hard meat piece after irradiation
It DEG C is crushed, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 100 square metres, 10cm depth
Cultivating pool of the matter pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 2000 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 5 times a day, and applied foodstuff weight is 0.25 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 82%.
Embodiment 8 (experimental group, river crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 10Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (Huolisu 20g, the strong treasured 12g of speed, Yongkang element 18g, seawood meal 11g, spirulina 4g, digest element 1.5g,
Li Peilu 1.2g) and nutriment (amino acid, each 15g of injection Vitamin B_6 M bacterium), and stir evenly；It is added the 5% of meat gruel quality
Raw meat bonding agent, stir evenly and be placed on 4 DEG C of refrigeration 10h, obtain elastic hard meat piece；Elastic hard meat piece is placed in food spoke
According to machine, 2kGy dose delivery is with eliminating pathogen, helminth and ovum；Subzero 20 are refrigerated to the elastic hard meat piece after irradiation
It DEG C is crushed, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 100 square metres, 10cm depth
Cultivating pool of the matter pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 2000 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 5 times a day, and applied foodstuff weight is 0.25 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 89%.
Embodiment 9 (experimental group, perigone crab)
The preparation of feed: taking fresh small fish shrimp to take fresh small fish shrimp 10Kg, is completely comminuted to meat gruel shape after cleaning
State；Add antibacterial substance (Huolisu 20g, the strong treasured 12g of speed, Yongkang element 18g, seawood meal 11g, spirulina 4g, digest element 1.5g,
Li Peilu 1.2g) and nutriment (amino acid, each 12g of injection Vitamin B_6 M bacterium), and stir evenly；It is added the 5% of meat gruel quality
Raw meat bonding agent, stir evenly and be placed on 4 DEG C of refrigeration 10h, obtain elastic hard meat piece；Elastic hard meat piece is placed in food spoke
According to machine, 2kGy dose delivery is with eliminating pathogen, helminth and ovum；Subzero 20 are refrigerated to the elastic hard meat piece after irradiation
It DEG C is crushed, partial size required for obtaining.
Juvenile crab is fed: selection water source is clean, into the sandy soil material for draining convenient, free of contamination 100 square metres, 10cm depth
Cultivating pool of the matter pond as crab.It keeps having organic matter abundant inside pond, plants appropriate water plant, bottom is promoted to dwell elder brother
The growth and breedings such as worm, spiral shell freshwater mussel, water earthworm.And the depth of water is controlled, keeps the depth of water in pond at one decimeter or so, is conducive to crab and exhales
It inhales.Multiple knolls are built in the inside in pond, are higher than the water surface, water plant is planted on knoll surface, knoll is kept there are 25 degree
Gradient, make artificial cave for crab live.Every square metre of 2000 tail megalops larvas of placement maintain 28~30 DEG C of water bodys
Environment, applies foodstuff prepared by the present embodiment 5 times a day, and applied foodstuff weight is 0.25 times of juvenile crab weight.To 4 months
Afterwards, crab is captured, calculates survival rate about 87%.
Examples 1 to 9 survival rate computational chart:
According to the analysis of each embodiment as can be seen that Examples 1 to 2 control group cultivates crab using conventional feed,
Crab survival rate is no more than 10%.It can be seen that the cultivation of feed provided by the technical program according to 4~9 experimental group of embodiment
The survival rate of lower crab can maintain 80% or more, and embodiment 7~9 confirms that this method is suitable for orchid crab incessantly, close
The crab class of species is improved the method for survival rate.
Claims (10)
1. a kind of feed combinations for improving blue Sea crab survival rate, which is characterized in that composition includes small fish shrimp, cyanobacteria, antibacterial
Matter, nutriment；According to the ratio dynamic change of small fish shrimp and cyanobacteria in the orchid crab growth and development period feed: the parent crab phase
The above are the main compositions of small fish shrimp, megalopa stage feed for the main composition 95% of feed for 80% cyanobacteria, at crab phase feed
The above are small fish shrimps for main composition 80%.
2. the feed combinations as described in claim 1 for improving blue Sea crab survival rate, which is characterized in that megalops larva is at crab
The preceding shell phase several times, cyanobacteria composition gradually drops to 20% by initial 80% in feed, blue in its food of each shell of juvenile crab
Algae content decline 10%, until cyanobacteria content maintains 20% and no longer reduces.
3. the feed combinations as described in claim 1 for improving blue Sea crab survival rate, which is characterized in that the nutriment is ammonia
Base acid, injection Vitamin B_6 M bacterium.
4. the feed combinations as claimed in claim 3 for improving blue Sea crab survival rate, which is characterized in that the amino acid, dimension life
Plain C, EM bacterial content is 0.5~2g/Kg.
5. the as described in claim 1 feed combinations for improving blue Sea crab survival rate, which is characterized in that the antibacterial material includes
Strong precious, the Yongkang element of Huolisu, speed.
6. the feed combinations as claimed in claim 5 for improving blue Sea crab survival rate, which is characterized in that the megalopa stage is raised
0.5~2g/Kg of Huolisu, speed strong 0.5~2g/Kg of treasured, Yongkang 0.5~2g/Kg of element in material.
7. the feed combinations as described in claim 1 for improving blue Sea crab survival rate, which is characterized in that further include auxiliary in feed
0.5~2g/Kg of nutriment seawood meal, 0.5~2g/Kg of spirulina, digestion 0.1~0.5g/Kg of element, 0.1~0.5g/ of Li Peilu
Kg。
8. the feed combinations as described in any one of claims 1 to 7 for improving blue Sea crab survival rate, which is characterized in that the parent crab phase
With also add fructose and glucose in megalopa stage feed, concentration is 0.2~3g/Kg.
9. the feed combinations as described in any one of claims 1 to 7 for improving blue Sea crab survival rate, which is characterized in that described small
Fish shrimp is the fresh small fish shrimp of radiation sterilization processing, and the dosage for radiating treatment with irradiation is 0.2~5kGy.
10. the preparation method of the feed combinations as described in any one of claims 1 to 7 for improving blue Sea crab survival rate, step packet
It includes:
A. meat gruel state is completely comminuted to after taking fresh small fish shrimp to clean；
B. antibacterial substance and nutriment are added, and is stirred evenly；
C. 1~15% raw meat bonding agent of meat gruel quality is added, stirs evenly and is placed on 0~5 DEG C of 5~9h of refrigeration, obtain bullet
Property hard meat piece；
D. elastic hard meat piece is placed in food irradiation machine device, eliminating pathogen, helminth and ovum；
E. it is crushed after being freezed to the elastic hard meat piece after irradiation, partial size required for obtaining.
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| CN102106278A (en) * | 2010-12-30 | 2011-06-29 | 广东海洋大学 | Method for breeding marine crabs artificially |
| CN102119675A (en) * | 2010-12-30 | 2011-07-13 | 广东海洋大学 | Method for cultivating portunus pelagicus |
| CN103734490A (en) * | 2013-11-20 | 2014-04-23 | 青岛佰众化工技术有限公司 | Portunus trituberculatus larva cultivation forage |
| CN105410460A (en) * | 2015-11-30 | 2016-03-23 | 全椒县天润生态养殖专业合作社 | Antibacterial river crab feed with high water stability |
| CN108377944A (en) * | 2018-01-30 | 2018-08-10 | 天津海升水产养殖有限公司 | A kind of swimming crab ecological breeding method for breeding |
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2019
- 2019-05-29 CN CN201910456556.4A patent/CN110012967A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106278A (en) * | 2010-12-30 | 2011-06-29 | 广东海洋大学 | Method for breeding marine crabs artificially |
| CN102119675A (en) * | 2010-12-30 | 2011-07-13 | 广东海洋大学 | Method for cultivating portunus pelagicus |
| CN103734490A (en) * | 2013-11-20 | 2014-04-23 | 青岛佰众化工技术有限公司 | Portunus trituberculatus larva cultivation forage |
| CN105410460A (en) * | 2015-11-30 | 2016-03-23 | 全椒县天润生态养殖专业合作社 | Antibacterial river crab feed with high water stability |
| CN108377944A (en) * | 2018-01-30 | 2018-08-10 | 天津海升水产养殖有限公司 | A kind of swimming crab ecological breeding method for breeding |
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Application publication date: 20190716 |