CN113728952A - Efficient crab breeding method - Google Patents
Efficient crab breeding method Download PDFInfo
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- CN113728952A CN113728952A CN202111124815.7A CN202111124815A CN113728952A CN 113728952 A CN113728952 A CN 113728952A CN 202111124815 A CN202111124815 A CN 202111124815A CN 113728952 A CN113728952 A CN 113728952A
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- culture
- crabs
- crab
- pond
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- 238000009395 breeding Methods 0.000 title claims description 53
- 241000238557 Decapoda Species 0.000 claims abstract description 41
- 230000001488 breeding effect Effects 0.000 claims description 39
- 241000196324 Embryophyta Species 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 241001113556 Elodea Species 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000012136 culture method Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 241000498251 Hydrilla Species 0.000 description 6
- 239000013505 freshwater Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000238424 Crustacea Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an efficient crab culture method, which is characterized in that a multiple-pond-mouth property is utilized for performing a turning-down alternate-break culture mode, a mature crab and crab buckling seedlings separation and separate culture mode is adopted, mature crabs in a culture pond are emptied in advance, then crab buckling seedlings are put in the culture pond in advance, aquatic plants and the like exist in the culture pond, feeding of the crab buckling seedlings is reduced, cost is reduced, the growth cycle of the crabs is prolonged, the volume specification of the mature crabs is increased, and the culture efficiency is improved.
Description
Technical Field
The invention mainly relates to the technical field of crab breeding, in particular to a high-efficiency crab breeding method.
Background
The crab is also called river crab, is a fresh water crustacean, grows in fresh water, and has delicious meat taste and rich nutrition. The crabs are generally accepted as delicious foods by Chinese and overseas at present, because the source of the crabs is mainly fishing, artificial breeding work is less, and naturally growing crabs can not meet the edible requirements of people, although the demands of the market are supplemented by small-area breeding in recent years, the demands of the market can not be relieved.
In the existing situation, crab breeding generally adopts the following steps: putting crabs into the breeding pond in February or in February, putting crabs into the breeding pond in Nove or in October, getting the crabs mature for marketing, then carrying out pond cleaning, pond drying and sterilization on the breeding pond, and normally putting crabs into the breeding pond in February in the next year for breeding; the crab breeding efficiency is low and the specification of the crabs is not large. Therefore, an efficient breeding method is needed to be provided, and the breeding efficiency and the specification volume of the crabs are improved.
Disclosure of Invention
Object of the Invention
The invention aims to provide an efficient crab breeding method, which improves the breeding efficiency and specification volume of crabs.
Technical content
In order to achieve the purpose, the invention adopts the technical scheme that: the efficient crab breeding method comprises the following steps:
the first round of cultivation period: the first round of cultivation period time is from 2 months to 10 months in the lunar calendar, and cultivation is carried out after crabs are normally thrown in the month 2 until the crabs in the lunar calendar are ripe for cultivation in the month 10, and then the second round of cultivation period is carried out:
and (3) in the second round of culture period: transferring the crabs cultured and matured in the first round to other culture ponds in the lunar calendar 10 months of the second year from the lunar calendar 10 months of the second round culture period;
meanwhile, screening high-quality crab buckling seedlings, putting the crab buckling seedlings into an empty crab culture pond, carrying out early culture, and selling the crabs after the crab culture is mature in the second lunar calendar of 10 months; the culture pond enters a periodic fallow period; the method comprises the following steps of cleaning a pond, airing the pond and sterilizing the culture pond, so that the culture pond enters a rest period, crab buckling seedlings are not thrown in advance, and crab seedlings are normally thrown in 2 months in the next year;
circulating the cultivation modes of the first cultivation period, the second cultivation period and the alternate rest period.
Furthermore, at least two culture ponds are arranged, when the crabs in one culture pond are in a first round of culture period, the crabs in the other culture pond belong to a second round of culture period, the plurality of culture ponds alternately enter a round of rest period, the round of rest period refers to a culture area cleaning stage in the middle and later periods of the crab culture period, and the time is generally between 10 months of the lunar calendar and 2 months of the lunar calendar in the second year.
Further, in the second round of cultivation period, after the mature crabs are transferred, the aquatic weeds need to be maintained firstly, and then the crabs are placed into the aquatic weeds to be buckled.
Further, the aquatic plant maintenance comprises planting the waterweeds at the feeding table position in the culture pond.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
according to the efficient crab culture method, the multiple pond mouth properties of crab culture are utilized to perform a turning-down and turning-down culture mode, meanwhile, a mature crab and crab buckling seedlings separation and separate culture mode is adopted, mature crabs in the culture pond are emptied in advance, crab buckling seedlings are put in the culture pond in advance, aquatic plants and the like exist in the culture pond, feeding of the crab buckling seedlings is reduced, cost is reduced, the growth period of the crabs is prolonged, the size specification of the mature crabs is increased, and the culture efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
The first embodiment is as follows: the efficient crab breeding method comprises the following steps:
at least two culture ponds are arranged, namely a first culture pond and a second culture pond;
the first culture pond is in a first round of culture period, namely mature crab buckling seedlings are thrown into the first culture pond in about 2 months of the lunar calendar of the year, and normal culture is carried out;
after the crabs in the first breeding pool are mature (about 10 months in lunar calendar), all the mature crabs in the first breeding pool are transferred into the second breeding pool to be bred with the crabs in the second breeding pool;
then, performing aquatic weed maintenance in the first culture pond, wherein the hydrilla verticillata prefers high temperature and the hydrilla algaes prefers low temperature in autumn and winter, so that the hydrilla verticillata is planted at a feeding table position in the first culture pond for being eaten by crab buckling seedlings, namely, the hydrilla verticillata is taken as the main part in the first half culture time, the hydrilla verticillata is taken as the main part in the second half culture time, and the hydrilla verticillata has three high-temperature resistant blades, is not high-temperature resistant, grows at low temperature quickly, and can well and alternately culture regional aquatic weeds;
after the aquatic weeds are maintained, throwing the screened high-quality crab seedlings into the first breeding pond about 11 months, and breeding the crabs in advance, namely, the crabs in the first breeding pond enter a second round of breeding period;
when the first culture pond is in the first round of culture period, the second culture pond is in the second round of culture period, namely mature crab seedlings are placed in advance for early culture, and the growth period is prolonged;
after the crabs in the first breeding pond are transferred to a second breeding pond, the mature crabs in the second breeding pond come into the market, and then the second breeding pond enters a recurrent period;
the second culture pond is subjected to pond cleaning, pond drying and sterilization treatment, so that crab buckling seedlings are not thrown in the culture pond in advance; and (3) enabling the second breeding pond to enter a first round of breeding period, throwing crabs into the second breeding pond in February of the next year for normal breeding, circulating the breeding modes from the first round of breeding period to the second round of breeding period in each breeding pond, and alternately enabling the multiple breeding ponds to enter alternate resting periods so that the mature crabs can be mutually transferred.
Example two: in this embodiment, at crab breed at the very beginning, construct a plurality of ponds of breeding, be 2 at least and breed the pond, plant pasture and water in breeding the pond, about 2 months in lunar calendar, respectively to throwing in crab knot seedling in first breed pond and the second breed pond, the breed mode in first breed pond this moment is: a mode of continuously circulating the first cultivation period, the second cultivation period and the alternate rest period, wherein the first cultivation period (lunar calendar 2 months-lunar calendar 10 months) -the second cultivation period (lunar calendar 10 months-lunar calendar 10 months) -the alternate rest period (lunar calendar 10 months to next lunar calendar 2 months) -the first cultivation period (next lunar calendar 2 months-lunar calendar 10 months);
the breeding mode of the second breeding pond is as follows: a mode of continuously circulating a first cultivation period, a second cultivation period and a cycle of rest is followed.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (4)
1. The efficient crab breeding method is characterized by comprising the following steps: the method comprises the following steps:
the first round of cultivation period: and (3) breeding after crabs are normally thrown in the lunar calendar in month 2 until the crabs are bred in the lunar calendar in month 10 and mature, and entering a second round of breeding period:
and (3) in the second round of culture period: transferring the crabs cultured and matured in the first round to other culture ponds;
meanwhile, high-quality crab buckling seedlings are screened out and put into an empty crab culture pond for early culture, and the crabs come into the market after the crab culture is mature by 10 months in the lunar calendar of the second year; the culture pond enters a periodic fallow period;
alternate rest period: performing pond cleaning, pond drying and sterilization treatment on the culture pond, so that the culture pond enters a rotation rest period without putting crab buckling seedlings in advance;
the culture pond circulates the culture modes of the first culture period, the second culture period and the alternate rest period.
2. The efficient crab breeding method according to claim 1, wherein the efficient crab breeding method comprises the following steps: at least two culture ponds are arranged, when the crabs in one culture pond are in a first round of culture period, the crabs in the other culture pond belong to a second round of culture period, and the plurality of culture ponds alternately enter alternate resting periods.
3. The efficient crab breeding method according to claim 1, wherein the efficient crab breeding method comprises the following steps: during the second round of cultivation, after the mature crabs are transferred, the aquatic weeds need to be maintained firstly, and then the crabs are placed into the aquatic weeds.
4. The efficient crab breeding method according to claim 3, wherein the efficient crab breeding method comprises the following steps: the aquatic plant maintenance comprises planting the waterweeds at the feeding table position in the culture pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124815.7A CN113728952A (en) | 2021-09-25 | 2021-09-25 | Efficient crab breeding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111124815.7A CN113728952A (en) | 2021-09-25 | 2021-09-25 | Efficient crab breeding method |
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| CN113728952A true CN113728952A (en) | 2021-12-03 |
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Application publication date: 20211203 |
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