CN108235966A - A kind of cray efficiently breeds cultural method - Google Patents
A kind of cray efficiently breeds cultural method Download PDFInfo
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- CN108235966A CN108235966A CN201810023850.1A CN201810023850A CN108235966A CN 108235966 A CN108235966 A CN 108235966A CN 201810023850 A CN201810023850 A CN 201810023850A CN 108235966 A CN108235966 A CN 108235966A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 241000238557 Decapoda Species 0.000 claims abstract description 119
- 238000009360 aquaculture Methods 0.000 claims abstract description 10
- 244000144974 aquaculture Species 0.000 claims abstract description 10
- 238000009395 breeding Methods 0.000 claims abstract description 10
- 230000001488 breeding effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 230000000366 juvenile effect Effects 0.000 claims description 15
- 239000013505 freshwater Substances 0.000 claims description 14
- 241000238565 lobster Species 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 235000013372 meat Nutrition 0.000 claims description 10
- 241000251468 Actinopterygii Species 0.000 claims description 9
- 244000068988 Glycine max Species 0.000 claims description 9
- 235000010469 Glycine max Nutrition 0.000 claims description 9
- 241000237536 Mytilus edulis Species 0.000 claims description 9
- 235000020638 mussel Nutrition 0.000 claims description 9
- 230000000384 rearing effect Effects 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 241000255789 Bombyx mori Species 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 241000361919 Metaphire sieboldi Species 0.000 claims description 6
- 239000003895 organic fertilizer Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 235000015099 wheat brans Nutrition 0.000 claims description 6
- 239000000645 desinfectant Substances 0.000 claims description 5
- 201000010099 disease Diseases 0.000 claims description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 4
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- 235000013601 eggs Nutrition 0.000 claims description 4
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- 241001465754 Metazoa Species 0.000 claims description 3
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- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
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- 235000021307 Triticum Nutrition 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 235000012255 calcium oxide Nutrition 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
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- 239000003337 fertilizer Substances 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
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- 239000010871 livestock manure Substances 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical group [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 3
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 3
- HDMGAZBPFLDBCX-UHFFFAOYSA-M potassium;sulfooxy sulfate Chemical compound [K+].OS(=O)(=O)OOS([O-])(=O)=O HDMGAZBPFLDBCX-UHFFFAOYSA-M 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
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- 239000003440 toxic substance Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009318 large scale farming Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a kind of crays efficiently to breed cultural method, including seedling breeding, young shrimp is cultivated and into shrimp aquaculture, and the present invention is that the culture-cycle is short the advantages of a kind of cray efficiently breeds cultural method, and quality is high, cultured output is high, convenient for large-scale farming, improves the economic benefit of cultivation.
Description
Technical field
The present invention relates to cray cultivation fields more particularly to a kind of cray efficiently to breed cultural method.
Background technology
Cray is also referred to as Procambius clarkii, red crayfish and freshwater crayfish, is similar to shrimp and crust is hard, the long 5.6- of adult
11.9 centimetres, kermesinus, the nearly black in crust part, belly back side has a wedge-shaped striped, belongs to economic freshwater shrimps, because meat flavour is delicious
Wide welcomed by the people, range of ingesting includes water plant, algae, aquatic insect, spoil etc., and food is also killed each other when deficient scarce
Cray, but due to overfishing, there is a serious shortage of commercial sized prawn quality is irregular to be had become wild resource in China in recent years
Important Economic breed variety, and cray cultivation is mostly the extensive cultivation of ditching formula, the culture-cycle is long, and yield is not generally high, in addition
Cultural method is improper with pattern, and the cray generally existing individual of output is smaller, color and luster is poor and disease is more.
Invention content
Goal of the invention：Cray cultured output to be solved by this invention is low, and the technology more than culture-cycle length and disease is asked
Topic, the present invention provide a kind of cray and efficiently breed cultural method.
Process program：The present invention provides a kind of cray and efficiently breeds cultural method, includes the following steps：
（1）Seedling breeding：Including：Selecting parent shrimps, parent shrimp rearing, parent frighten breeding and relative shrimp overwintering；
Selecting parent shrimps：Select close shrimp month last year 9-10, it is desirable that weight 30-50g, appendage is complete, and health is disease-free, and energy is strong, female
Male ratio is 2-3：1；
Parent shrimp rearing：Close shrimp ponds area is for 1200 ㎡ or so, depth of water 1m or so, wide more than the 1.5m in the pond ridge, surrounding Chi Geng plastics
Film or calcium-plastic board are built with anti-escape wall, launch close 40-60kg/ mus of shrimp amount, and the nurturing period feeds fresh water plant, soya-bean cake, wheat bran
Or mixed feed, early daily, evening respectively feed 1 time, based on the dusk, account for the 70% of day bait amount；
Relative shrimp overwintering：It is kept the temperature with covered rearing with plastic film pond, ensures the water temperature of overwintering period at 16 DEG C one 18 DEG C；
Close shrimp breeding：The 4-5 months, during more than 20 water temperature, close shrimp starts to mate, and fertilized eggs are hatched in female shrimp abdomen as young shrimp；
（2）Young shrimp is cultivated：Young shrimp ponds are area 20-40 ㎡, the cement pit of depth of water 0.6-0.8m, are first carried out disinfection with disinfectant,
Apply 500kg/ mus of the organic fertilizer of fermentation afterwards, cultivate planktonic organism and ingest for young shrimp, young shrimp stocking rate be generally 150~230 tails/
M2 can feed soya-bean milk on the 1st week after putting in a suitable place to breed, 3-4 times daily；To feed the animals such as small fish and shrimp, spiral shell freshwater mussel meat, earthworm, silkworm chrysalis from 2nd week
Property feed based on, suitably arrange in pairs or groups corn, wheat etc. are added into mass, and early, evening is each to throw 1 time, feed day bait amount morning
40%, it was cultivated through 25-30 days, juvenile prawn body length is up to 3cm, you can is transferred into shrimp aquaculture；
（3）Into shrimp aquaculture：Including：Put preparation in a suitable place to breed, seedling is launched, feedstuff feeding, science bait throwing in, water quality management and daily management；
Put preparation in a suitable place to breed：Pond Silt and smooth bottom of pond are removed, bottom of pond and pool wall is made to have good water retention property, with quick lime to pond
The pool carries out disinfection, and to be filtered when injecting new water, to prevent wild fishes and fish-egg from entering pond with water, while applies fertilizer and cultivates planktonic organism,
As the direct natural feed of shrimp, it is 75-100 kilograms or 50-100 kilograms of bio-bacterial manure per acre to commonly use organic fertilizer amount of application,
Water colour is made to have certain fertile degree；
Seedling is launched：At 0.8 centimetre or more, shrimp species specification is 2.5-3 centimetres for shrimp seedling requirement, juvenile prawn launch generally May into
Row, can put juvenile prawn in plastic tub into, first approached with water to water in basin temperature toward being slowly added a small amount of water in basin, can generally put
Support 80-120kg/ mus of ten thousand tails of juvenile prawn 1-1.5 of 3cm or weight；
Feedstuff feeding：The rice bran of rubbing, soya-bean cake, wheat bran, trash fish, spiral shell freshwater mussel meat, silkworm chrysalis, earthworm are directly fed into shrimp aquaculture or is butchered
Heel off field keeps dietary protein level generally to feed 2-3 times daily 25% or so, and the time is in morning 9-10 and day
Fall front and rear, day feeding amount is the 5-10% of shrimp weight, and whens large quantities of shrimp shells throws less, after shell to throw more；
Science bait throwing in：It can usually feed daily 2 times, with based on 1 time, feeding volume will account for the 70% of whole day feeding volume, feed at dusk
Uniformly, make every shrimp that can have, avoid striving food, promote uniform growth；
Water quality management：Pond dissolved oxygen is kept more than 5 mg/litres, pH value 7-8.5 per 1 water is changed within 15-20 days, changes water every time
1/2；It splashes within every 20 days 1 lime water, every time 10 kilograms or so of dosage per acre；1 50% potassium hydrogen persulfate of splashing for every 10 days is answered
500g/ mus of salt is closed, to regulating water quality；
Daily management：Adhere to every morning or dusk tours of inspection 1 time, bait feeding amount is done in observation pond water quality variation well
Adjustment；Prevent water quality by industrial pollution, pollution by pesticides etc.；New water is often filled, keeps water sanitation and hygiene；Periodically with raw stone
Ash disinfection shrimp ponds；Multivitamin is added in the feed of shrimp, enhances the immunocompetence of shrimp；When large quantities of lobster shells, should subtract
Few bait throwing in, reduces human interference, creates a good environment of peace and quiet, promotes the smooth shell of lobster, after large quantities of lobster shells
Increase in time and feed high-quality bait, prevent that initiation cuts one another's throat due to bait deficiency；The plastics of one layer of close eye are laid on the slope of Chi Geng
Screen cloth, not only bank protection, but also prevent burrowing, so as to reduce the chance that lobster escapes.
Further, step（1）Described in mixed feed be the spiral shell freshwater mussel meat of chopping, slaughtering leftover bits and pieces etc..
Further, step（1）Described in the incubating oosperm time need 40 1 70 days, it is complete under parent protection after the hatching of young shrimp
Into the growth and development process in juvenile prawn stage.
Further, step（2）Described in disinfectant be potassium acid sulfate 50-80% complex salts.
Further, step（3）The shrimp seedling and shrimp species, it is desirable that specification is consistent, once puts foot.
The present invention is that the culture-cycle is short the advantages of a kind of cray efficiently breeds cultural method, and quality is high, and cultured output is high,
Convenient for large-scale farming, the economic benefit of cultivation is improved.
Specific embodiment
The present invention is further elaborated below by way of specific embodiment, it should be pointed out that：For the common of this technology field
For technologist, without departing from the principle of the present invention, this is fallen within to the modification of the various equivalent forms of the present invention
Apply for range as defined in the appended claims.
The present invention provides a kind of cray and efficiently breeds cultural method, includes the following steps：
（1）Seedling breeding：Including：Selecting parent shrimps, parent shrimp rearing, parent frighten breeding and relative shrimp overwintering；
Selecting parent shrimps：Select close shrimp month last year 9-10, it is desirable that weight 30-50g, appendage is complete, and health is disease-free, and energy is strong, female
Male ratio is 2-3：1；
Parent shrimp rearing：Close shrimp ponds area is for 1200 ㎡ or so, depth of water 1m or so, wide more than the 1.5m in the pond ridge, surrounding Chi Geng plastics
Film or calcium-plastic board are built with anti-escape wall, launch close 40-60kg/ mus of shrimp amount, and the nurturing period feeds fresh water plant, soya-bean cake, wheat bran
Or mixed feed, early daily, evening respectively feed 1 time, based on the dusk, account for the 70% of day bait amount；
Relative shrimp overwintering：It is kept the temperature with covered rearing with plastic film pond, ensures the water temperature of overwintering period at 16 DEG C one 18 DEG C；
Close shrimp breeding：The 4-5 months, during more than 20 water temperature, close shrimp starts to mate, and fertilized eggs are hatched in female shrimp abdomen as young shrimp；
（2）Young shrimp is cultivated：Young shrimp ponds are area 20-40 ㎡, the cement pit of depth of water 0.6-0.8m, are first carried out disinfection with disinfectant,
Apply 500kg/ mus of the organic fertilizer of fermentation afterwards, cultivate planktonic organism and ingest for young shrimp, young shrimp stocking rate be generally 150~230 tails/
M2 can feed soya-bean milk on the 1st week after putting in a suitable place to breed, 3-4 times daily；To feed the animals such as small fish and shrimp, spiral shell freshwater mussel meat, earthworm, silkworm chrysalis from 2nd week
Property feed based on, suitably arrange in pairs or groups corn, wheat etc. are added into mass, and early, evening is each to throw 1 time, feed day bait amount morning
40%, it was cultivated through 25-30 days, juvenile prawn body length is up to 3cm, you can is transferred into shrimp aquaculture；
（3）Into shrimp aquaculture：Including：Put preparation in a suitable place to breed, seedling is launched, feedstuff feeding, science bait throwing in, water quality management and daily management；
Put preparation in a suitable place to breed：Pond Silt and smooth bottom of pond are removed, bottom of pond and pool wall is made to have good water retention property, with quick lime to pond
The pool carries out disinfection, and to be filtered when injecting new water, to prevent wild fishes and fish-egg from entering pond with water, while applies fertilizer and cultivates planktonic organism,
As the direct natural feed of shrimp, it is 75-100 kilograms or 50-100 kilograms of bio-bacterial manure per acre to commonly use organic fertilizer amount of application,
Water colour is made to have certain fertile degree；
Seedling is launched：At 0.8 centimetre or more, shrimp species specification is 2.5-3 centimetres for shrimp seedling requirement, juvenile prawn launch generally May into
Row, can put juvenile prawn in plastic tub into, first approached with water to water in basin temperature toward being slowly added a small amount of water in basin, can generally put
Support 80-120kg/ mus of ten thousand tails of juvenile prawn 1-1.5 of 3cm or weight；
Feedstuff feeding：The rice bran of rubbing, soya-bean cake, wheat bran, trash fish, spiral shell freshwater mussel meat, silkworm chrysalis, earthworm are directly fed into shrimp aquaculture or is butchered
Heel off field keeps dietary protein level generally to feed 2-3 times daily 25% or so, and the time is in morning 9-10 and day
Fall front and rear, day feeding amount is the 5-10% of shrimp weight, and whens large quantities of shrimp shells throws less, after shell to throw more；
Science bait throwing in：It can usually feed daily 2 times, with based on 1 time, feeding volume will account for the 70% of whole day feeding volume, feed at dusk
Uniformly, make every shrimp that can have, avoid striving food, promote uniform growth；
Water quality management：Pond dissolved oxygen is kept more than 5 mg/litres, pH value 7-8.5 per 1 water is changed within 15-20 days, changes water every time
1/2；It splashes within every 20 days 1 lime water, every time 10 kilograms or so of dosage per acre；1 50% potassium hydrogen persulfate of splashing for every 10 days is answered
500g/ mus of salt is closed, to regulating water quality；
Daily management：Adhere to every morning or dusk tours of inspection 1 time, bait feeding amount is done in observation pond water quality variation well
Adjustment；Prevent water quality by industrial pollution, pollution by pesticides etc.；New water is often filled, keeps water sanitation and hygiene；Periodically with raw stone
Ash disinfection shrimp ponds；Multivitamin is added in the feed of shrimp, enhances the immunocompetence of shrimp；When large quantities of lobster shells, should subtract
Few bait throwing in, reduces human interference, creates a good environment of peace and quiet, promotes the smooth shell of lobster, after large quantities of lobster shells
Increase in time and feed high-quality bait, prevent that initiation cuts one another's throat due to bait deficiency；The plastics of one layer of close eye are laid on the slope of Chi Geng
Screen cloth, not only bank protection, but also prevent burrowing, so as to reduce the chance that lobster escapes.
Step（1）Described in mixed feed be the spiral shell freshwater mussel meat of chopping, slaughtering leftover bits and pieces etc..
Step（1）Described in the incubating oosperm time need 40 1 70 days, complete juvenile prawn under parent protection after the hatching of young shrimp
The growth and development process in stage.
Step（2）Described in disinfectant be potassium acid sulfate 50-80% complex salts.
Step（3）The shrimp seedling and shrimp species, it is desirable that specification is consistent, once puts foot.
A kind of cray of the present invention efficiently breeds that the cultural method culture-cycle is short, and quality is high, and cultured output is high, convenient for advising greatly
Mould cultivates, and improves the economic benefit of cultivation.
Claims (5)
1. a kind of cray efficiently breeds cultural method, which is characterized in that includes the following steps：
Seedling breeding：Including：Selecting parent shrimps, parent shrimp rearing, parent frighten breeding and relative shrimp overwintering；
Selecting parent shrimps：Select close shrimp month last year 9-10, it is desirable that weight 30-50g, appendage is complete, and health is disease-free, and energy is strong, female
Male ratio is 2-3：1；
Parent shrimp rearing：Close shrimp ponds area is for 1200 ㎡ or so, depth of water 1m or so, wide more than the 1.5m in the pond ridge, surrounding Chi Geng plastics
Film or calcium-plastic board are built with anti-escape wall, launch close 40-60kg/ mus of shrimp amount, and the nurturing period feeds fresh water plant, soya-bean cake, wheat bran
Or mixed feed, early daily, evening respectively feed 1 time, based on the dusk, account for the 70% of day bait amount；
Relative shrimp overwintering：It is kept the temperature with covered rearing with plastic film pond, ensures the water temperature of overwintering period at 16 DEG C one 18 DEG C；
Close shrimp breeding：The 4-5 months, during more than 20 water temperature, close shrimp starts to mate, and fertilized eggs are hatched in female shrimp abdomen as young shrimp；
（2）Young shrimp is cultivated：Young shrimp ponds are area 20-40 ㎡, the cement pit of depth of water 0.6-0.8m, are first carried out disinfection with disinfectant,
Apply 500kg/ mus of the organic fertilizer of fermentation afterwards, cultivate planktonic organism and ingest for young shrimp, young shrimp stocking rate be generally 150~230 tails/
M2 can feed soya-bean milk on the 1st week after putting in a suitable place to breed, 3-4 times daily；To feed the animals such as small fish and shrimp, spiral shell freshwater mussel meat, earthworm, silkworm chrysalis from 2nd week
Property feed based on, suitably arrange in pairs or groups corn, wheat etc. are added into mass, and early, evening is each to throw 1 time, feed day bait amount morning
40%, it was cultivated through 25-30 days, juvenile prawn body length is up to 3cm, you can is transferred into shrimp aquaculture；
（3）Into shrimp aquaculture：Including：Put preparation in a suitable place to breed, seedling is launched, feedstuff feeding, science bait throwing in, water quality management and daily management；
Put preparation in a suitable place to breed：Pond Silt and smooth bottom of pond are removed, bottom of pond and pool wall is made to have good water retention property, with quick lime to pond
The pool carries out disinfection, and to be filtered when injecting new water, to prevent wild fishes and fish-egg from entering pond with water, while applies fertilizer and cultivates planktonic organism,
As the direct natural feed of shrimp, it is 75-100 kilograms or 50-100 kilograms of bio-bacterial manure per acre to commonly use organic fertilizer amount of application,
Water colour is made to have certain fertile degree；
Seedling is launched：At 0.8 centimetre or more, shrimp species specification is 2.5-3 centimetres for shrimp seedling requirement, juvenile prawn launch generally May into
Row, can put juvenile prawn in plastic tub into, first approached with water to water in basin temperature toward being slowly added a small amount of water in basin, can generally put
Support 80-120kg/ mus of ten thousand tails of juvenile prawn 1-1.5 of 3cm or weight；
Feedstuff feeding：The rice bran of rubbing, soya-bean cake, wheat bran, trash fish, spiral shell freshwater mussel meat, silkworm chrysalis, earthworm are directly fed into shrimp aquaculture or is butchered
Heel off field keeps dietary protein level generally to feed 2-3 times daily 25% or so, and the time is in morning 9-10 and day
Fall front and rear, day feeding amount is the 5-10% of shrimp weight, and whens large quantities of shrimp shells throws less, after shell to throw more；
Science bait throwing in：It can usually feed daily 2 times, with based on 1 time, feeding volume will account for the 70% of whole day feeding volume, feed at dusk
Uniformly, make every shrimp that can have, avoid striving food, promote uniform growth；
Water quality management：Pond dissolved oxygen is kept more than 5 mg/litres, pH value 7-8.5 per 1 water is changed within 15-20 days, changes water every time
1/2；It splashes within every 20 days 1 lime water, every time 10 kilograms or so of dosage per acre；1 50% potassium hydrogen persulfate of splashing for every 10 days is answered
500g/ mus of salt is closed, to regulating water quality；
Daily management：Adhere to every morning or dusk tours of inspection 1 time, bait feeding amount is done in observation pond water quality variation well
Adjustment；Prevent water quality by industrial pollution, pollution by pesticides etc.；New water is often filled, keeps water sanitation and hygiene；Periodically with raw stone
Ash disinfection shrimp ponds；Multivitamin is added in the feed of shrimp, enhances the immunocompetence of shrimp；When large quantities of lobster shells, should subtract
Few bait throwing in, reduces human interference, creates a good environment of peace and quiet, promotes the smooth shell of lobster, after large quantities of lobster shells
Increase in time and feed high-quality bait, prevent that initiation cuts one another's throat due to bait deficiency；The plastics of one layer of close eye are laid on the slope of Chi Geng
Screen cloth, not only bank protection, but also prevent burrowing, so as to reduce the chance that lobster escapes.
2. a kind of cray efficiently breeds cultural method according to claim 1, which is characterized in that step（1）Described in
Mixed feed is the spiral shell freshwater mussel meat of chopping, slaughtering leftover bits and pieces etc..
3. a kind of cray efficiently breeds cultural method according to claim 1, which is characterized in that step（1）Described in by
The smart egg hatching time needs 40 1 70 days, completes the growth and development process in juvenile prawn stage after young shrimp hatching under parent protection.
4. a kind of cray efficiently breeds cultural method according to claim 1, which is characterized in that step（2）Described in disappear
Toxic agent is potassium acid sulfate 50-80% complex salts.
5. a kind of cray efficiently breeds cultural method according to claim 1, which is characterized in that step（3）In, the shrimp
Seedling and shrimp species, it is desirable that specification is consistent, once puts foot.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315326A (en) * | 2018-11-21 | 2019-02-12 | 江西和乐园生态农业科技发展有限公司 | A kind of cray cultural method |
| CN110338130A (en) * | 2019-08-07 | 2019-10-18 | 中国水产科学研究院长江水产研究所 | A kind of the Laboratory culture system and high-density breeding method of Procambius clarkii |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109315326A (en) * | 2018-11-21 | 2019-02-12 | 江西和乐园生态农业科技发展有限公司 | A kind of cray cultural method |
| CN110338130A (en) * | 2019-08-07 | 2019-10-18 | 中国水产科学研究院长江水产研究所 | A kind of the Laboratory culture system and high-density breeding method of Procambius clarkii |
| CN110338130B (en) * | 2019-08-07 | 2022-01-14 | 中国水产科学研究院长江水产研究所 | Laboratory culture system and high-density culture method for procambarus clarkii |
| CN110367161A (en) * | 2019-08-23 | 2019-10-25 | 上海海洋大学 | A kind of big specification breeding selection of cray |
| CN115053843A (en) * | 2022-08-03 | 2022-09-16 | 河南师范大学 | Crayfish breeding method |
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