CN109619002A - A kind of red claw crayfish rice field is from breeding method - Google Patents
A kind of red claw crayfish rice field is from breeding method Download PDFInfo
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- CN109619002A CN109619002A CN201910026009.2A CN201910026009A CN109619002A CN 109619002 A CN109619002 A CN 109619002A CN 201910026009 A CN201910026009 A CN 201910026009A CN 109619002 A CN109619002 A CN 109619002A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 79
- 235000009566 rice Nutrition 0.000 title claims abstract description 79
- 241000238017 Astacoidea Species 0.000 title claims abstract description 39
- 210000000078 claw Anatomy 0.000 title claims abstract description 38
- 238000009395 breeding Methods 0.000 title claims abstract description 34
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000238557 Decapoda Species 0.000 claims abstract description 155
- 241000209094 Oryza Species 0.000 claims abstract description 78
- 230000001488 breeding effect Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000007774 longterm Effects 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009360 aquaculture Methods 0.000 abstract description 9
- 244000144974 aquaculture Species 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000004083 survival effect Effects 0.000 abstract description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000017448 oviposition Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000238077 Astacidae Species 0.000 description 1
- 241000238090 Astacus Species 0.000 description 1
- 241000040710 Chela Species 0.000 description 1
- 241000238016 Cherax Species 0.000 description 1
- 241001124323 Cherax quadricarinatus Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241001113556 Elodea Species 0.000 description 1
- 241000498251 Hydrilla Species 0.000 description 1
- 241000058338 Macrobrachium nipponense Species 0.000 description 1
- 241001523589 Parastacidae Species 0.000 description 1
- 241000927735 Penaeus Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009318 large scale farming Methods 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000034004 oogenesis Effects 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
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Classifications
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- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- 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)
- Botany (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to technical field of aquaculture, a kind of red claw crayfish rice field is disclosed from breeding method, selects the rice field for being suitble to the comprehensive breeding of rice shrimp, rice field has the shrimp ditch of wide 2~4m, deep 0.8~1.2m；Culture in enclosure ditch is set, and surrounding establishes escaping-preventing facilities using anti-escape network, is separated using anti-escape network to culture in enclosure ditch according to area ratio 2:1~3:1 ratio；Close shrimp is put in a suitable place to breed, puts female shrimp and male shrimp in a suitable place to breed respectively in separated region；From numerous, close shrimp removes sandbag from numerous period and separates anti-escape network seed, and close shrimp mates from numerous, and the shrimp seedling of generation passes through anti-escape network and enters rice field to be grown naturally.The present invention do not have to purchase shrimp seedling, effectively reduce production cost, improve the comprehensive breeding benefit in rice field from numerous using close shrimp is cultivated；The present invention passes through anti-escape network from numerous rear shrimp seedling and grows naturally, avoids transport and moves the damage to shrimp seedling, effectively improves the survival rate of shrimp seedling.
Description
Technical field
The invention belongs to technical field of aquaculture more particularly to a kind of red claw crayfish rice fields from breeding method.
Background technique
Currently, the prior art commonly used in the trade is such that
World agriculture production be faced with grain demand increase, water and soil resources shortage, reply climate change grain security ask
Topic.Modern intensive grain-production has used a large amount of pesticide and chemical fertilizer, not only increases agriculture production cost, also creates soil
Earth is hardened, pesticide residue and environmental pollution.Aquaculture is the important protein food source of the mankind, but large-scale farming
Cause environmental pollution.Studies at home and abroad show that being to promote Sustainable Agricultural by the agricultural that aquaculture is combined with agricultural system
Development, the effective way for guaranteeing grain security.Paddy field aquaculture is that aquaculture combines one of important way with agricultural system, fortune
With ecological principle and the systematic scientific method, modern scientific and technical result and traditional fishery technique and ecological fishery applicable technology are mutually tied
Ecological reasonable, orthofunction, the resource regeneration, a kind of fishery system of benign cycle closed and set up, it is economy, society
Meeting, ecological three's benefit are united.
Red claw crayfish (Cherax quadricarinatus) belongs to Decapoda (Decapoda), intends Astacidae
(Parastacidae), red claw crayfish category (Cherax) originates in the tropical area streams in Australia the north, exactly likes marine dragon
Shrimp also known as Australia freshwater lobster are one of Freshwater shrimps most rare in the world.Growth is fast, contains meat in addition to having for red claw crayfish
The advantages such as rate is high, shape is beautiful, and lower oxygen concentration resistance, it is low temperature resistant, in terms of ability it is stronger, red claw crayfish commodity at present
Shrimp economic benefit is higher, 100g~200g specification price up to 100 yuan/jin~200 yuan/jin.Red claw crayfish is developed from generation nineteen ninety
Since artificial breeding, development prospect causes the great interest of countries in the world, all starts rapidly in Australia, the U.S., Central and South America
One cultivation spending spree, Japan, France, many countries of Spain and Southeast Asia also successively introduce a fine variety examination from Australia and support.China exists
It takes the lead in introducing by Hubei fresh water research institute within 1991, has there is development in more than 20 years.
Red claw crayfish introduces existing many years from foreign countries, also has a small amount of cultivation successfully report, but can not still stablize at present
Ground provides a large amount of seed, does not form scale seedling raising, causes seed on the high side.Red claw crayfish produce seedling amount it is lower itself because
Element is that individual egg laying amount is lower.The egg laying amount of shrimps is mostly produced in 100,000 to 1,000,000 or so, such as Penaeus Vannmei, japonicus
Ovum amount is usually at 15 to 350,000.The general oogenesis of fresh water shrimp is less, the egg load of Macrobrachium nipponensis about 600 to 5000, Astacus
Only hundreds of grains, red claw crayfish egg load about 200 to 1000.Currently, the red claw crayfish shrimp seedling price of 1cm or so be 8000~
12000 yuan/ten thousand tails, and Luo pond crayfish fries valence is 400 yuan/ten thousand tails, the two is differed up to 30 times or so.Since cost is too high, so far
Still fail to be formed in the market it is stable supplied at shrimp, this forms huge contrast with market potential demand.Now in all parts of the country
The culturist that hand prepares cultivation red claw crayfish is increasing, and the supply of seed has part to still need to from foreign countries far from meet demand
It transfers in, leads to cost increase, increase the relative risk of cultivation.The supply of red claw crayfish seed, which becomes, restricts red claw crayfish paddy field aquaculture
The matter of utmost importance of development.
In conclusion problem of the existing technology is: the prior art sets about preparing to cultivate red chela chela due to all parts of the country
The culturist of shrimp is increasing, causes the supply of seed far from meet demand, or even has part to still need to transfer in from foreign countries, causes
Cost increase increases the relative risk of cultivation.
Solve the difficulty and meaning of above-mentioned technical problem:
It yet there are no report of the red claw crayfish rice field from breeding method, red claw crayfish rice field is related to rice field from breeding method and selects
It selects, many-sided technical detail such as the setting of culture in enclosure ditch, close shrimp are put in a suitable place to breed, technical difficulty is higher, and system solves the problems, such as above-mentioned technical detail
Red claw crayfish rice field can be achieved from numerous, reduction red claw crayfish paddy field aquaculture cost, the popularization of promotion red claw crayfish cultural technique mentions
The economic benefit of the comprehensive breeding in high rice field, promotes China's growth of agricultural efficiency, increasing peasant income.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of red claw crayfish rice fields from breeding method.
The invention is realized in this way a kind of red claw crayfish rice field is from breeding method, comprising the following steps:
Step 1: the selection in rice field selects the rice field for being suitble to the comprehensive breeding of rice shrimp, rice field have wide 2~4m, it is deep 0.8~
The shrimp ditch of 1.2m, Water space needed for meeting red claw crayfish growth；
Step 2: setting culture in enclosure ditch is closed using sandbag, and surrounding establishes escaping-preventing facilities using anti-escape network, according to face
Product separates culture in enclosure ditch using anti-escape network than 2:1~3:1 ratio, realizes that female shrimp and male shrimp separate raising, facilitates control male and female shrimp
Mating time；
Step 3: close shrimp is put in a suitable place to breed, puts female shrimp and male shrimp in a suitable place to breed respectively in separated region, and female male parent shrimp ratio is 2:1 or 3:1,
Culture in enclosure ditch parent's shrimp density is 5~20 tails/m2, the rational proportion of male and female shrimp not only can effectively reduce feed input cost, but also can reduce
Injures and deaths caused by fighting between close shrimp；
Step 4: from numerous, close shrimp removes sandbag from numerous period and separates anti-escape network seed, and close shrimp mates from numerous, produces
Raw shrimp seedling enters rice field across anti-escape network and grows naturally.
Further, shrimp ditch kind is implanted with water plant, 10 DEG C~35 DEG C of the long-term water temperature of shrimp ditch.
Further, culture in enclosure ditch is arranged, and the shrimp ditch close to water inlet is selected to be configured, and carries out closing and surrounding using sandbag
Escaping-preventing facilities are set, and escaping-preventing facilities are the anti-escape network of 0.6~1.5cm of mesh, and anti-climbing film is arranged at the top of anti-escape network, can make
Close shrimp and rice field isolation, and can make voluntarily to climb into rice field by mesh from numerous shrimp seedling.
Further, according to rice field area, breeding density, estimate that close shrimp produces seedling amount, female male parent shrimp ratio carries out culture in enclosure groove face
Product setting.
Further, rice field breeding density be 3000~6000 tails/mu, every female shrimp from numerous final acquisitions shrimp seedling press 50~
100 tail meters, female male parent shrimp ratio are 2:1 or 3:1, and culture in enclosure ditch parent's shrimp density is 5~20 tails/m2, which both ensure that
Rice field is fully used, injures and deaths caused by having avoidable density is excessively high red claw crayfish is caused to fight mutually.
In conclusion advantages of the present invention and good effect are as follows:
1, female male parent shrimp ratio is excessively high causes the female shrimp in part that can not be fertilized, waste feed, increases cultivation, management cost；Than
Example is too low to cause to produce that seedling amount is insufficient, male shrimp fight is lethal disables, and waste feed increases cultivation, management cost.Male and female in the present invention
Close shrimp ratio is 2:1 or 3:1, can meet needs of the red claw crayfish rice field from numerous mating, avoids feed waste, reduces cultivation, pipe
Manage cost.
2, culture in enclosure ditch setting of the present invention separates anti-escape network, is separated raising to female shrimp and male shrimp before mating, facilitates
Improve the growth efficiency of male and female shrimp；When condition be suitable for, remove separation anti-escape network, male and female shrimp self-copulation can effectively prevent male and female
Shrimp mates in advance and condition is not suitable for causing the shrimp seedling of hatching dead, while the seed size of male and female shrimp same period mating production is relatively united
One, conducive to feeding management and at the fishing of shrimp.
3, the present invention produces that seedling amount is estimated, female male parent shrimp ratio is to culture in enclosure ditch area according to rice field area, breeding density, close shrimp
It is configured, setting factor science is complete, improves science of the invention, rationally utilizes resource, avoids the wasting of resources.
4, the present invention avoids the transport of shrimp seedling and carries the damage caused by shrimp seedling using rice field from numerous red claw crayfish seed
Wound, effectively improves the survival rate of shrimp seedling, reduces the aquaculture cost of shrimp seedling indirectly.
5, the present invention do not have to purchase shrimp seedling, effectively reduce production cost, improve rice field from numerous using close shrimp is cultivated
Comprehensive breeding benefit.
Detailed description of the invention
Fig. 1 is red claw crayfish rice field provided in an embodiment of the present invention from breeding method flow chart.
Fig. 2 is rice field schematic layout pattern provided in an embodiment of the present invention.
In figure: 1, rice field；2, shrimp ditch；3, culture in enclosure ditch；4, separate anti-escape network；5, anti-escape network；6, sandbag.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, red claw crayfish rice field provided in an embodiment of the present invention is from breeding method, comprising the following steps:
S101: the selection in rice field selects the rice field for being suitble to the comprehensive breeding of rice shrimp, rice field have wide 2~4m, it is deep 0.8~
The shrimp ditch of 1.2m；
S102: setting culture in enclosure ditch is closed using sandbag, and surrounding establishes escaping-preventing facilities using anti-escape network, according to area
Culture in enclosure ditch is separated using anti-escape network than 2:1~3:1 ratio；
S103: close shrimp is put in a suitable place to breed, puts female shrimp and male shrimp in a suitable place to breed respectively in separated region, female male parent shrimp ratio is 2:1 or 3:1, is enclosed
Supporting ditch parent shrimp density is 5~20 tails/m2；
S104: from numerous, close shrimp removes sandbag from numerous period and separates anti-escape network seed, and close shrimp mates from numerous, generates
Shrimp seedling pass through anti-escape network and enter rice field and grow naturally.
Shrimp ditch kind provided in an embodiment of the present invention is implanted with water plant, 10 DEG C~35 DEG C of the long-term water temperature of shrimp ditch.
Culture in enclosure ditch provided in an embodiment of the present invention setting selects the shrimp ditch close to water inlet to be configured, using sandbag into
Escaping-preventing facilities are arranged in row closing and surrounding, and escaping-preventing facilities are the anti-escape network of 0.6~1.5cm of mesh, and setting is anti-at the top of anti-escape network climbs
Climb film.
It is provided in an embodiment of the present invention according to rice field area, breeding density, estimate close shrimp produce seedling amount, female male parent shrimp ratio into
The setting of row culture in enclosure ditch area.
Rice field breeding density provided in an embodiment of the present invention is 3000~6000 tails/mu, and every female shrimp is from numerous final acquisition
For shrimp seedling based on 50~100 tails, female male parent shrimp ratio is 2:1 or 3:1, and culture in enclosure ditch parent's shrimp density is 5~20 tails/m2。
As shown in Fig. 2, rice field of embodiment of the present invention schematic layout pattern.
Which includes: rice field 1, culture in enclosure ditch 3, separates anti-escape network 4, anti-escape network 5, sandbag 6 at shrimp ditch 2；
The surrounding digging in rice field 1 has shrimp ditch 2, culture in enclosure ditch 3 is provided in shrimp ditch 2, the both ends of culture in enclosure ditch 3 are placed with sandbag 6, enclose
It supports to be mounted in ditch 3 and separates anti-escape network 4, enclosed around culture in enclosure ditch 3 and have anti-escape network 5.
Application principle of the invention is further elaborated combined with specific embodiments below；
Embodiment one
Rice field 1 is the comprehensive breeding rice field 1 of existing 10 mu of rice shrimps, and rice field 1 has a shrimp ditch 2 of wide 3m, depth 1.0m, 2 kinds of shrimp ditch
It is implanted with hydrilla verticillata, 12 DEG C~32 DEG C of 2 long-term water temperature of shrimp ditch.It carries out culture in enclosure ditch 3 October current year to be arranged, 10 mu of 1 area of rice field,
3000 tails of breeding density/mu estimate close shrimp and produce 80 tail of seedling amount, and female male parent shrimp ratio is 3:1, the close shrimp density of culture in enclosure ditch 3 be 10 tails/
m2.Calculating rice field 1 needs 30000 tail of seed, needs female 400 tail of shrimp, 135 tail of male shrimp, and 3 area of culture in enclosure ditch is set as 45m2.Use sandbag
6 carry out closing and surrounding setting escaping-preventing facilities, and the anti-escape network 5 that escaping-preventing facilities are diameter 1.2cm is simultaneously according to area ratio 2:1 ratio
Separate culture in enclosure ditch 3 using anti-escape network 4 is separated, puts female shrimp and male shrimp in a suitable place to breed respectively.When commercial sized prawn fishing listing, close shrimp is selected, is used
The liquor potassic permanganate of 25mg/L concentration impregnates after five minutes, is put into 3 corresponding region of culture in enclosure ditch according to female-male proportion 3:1 and is raised
It supports.The close female shrimp of shrimp specification requirement is greater than 50g/ tail, and male shrimp is greater than 75g/ tail, and it is harmless without wound, body colour light, vigor that shrimp body is disease-free
It is good.Daily feeding amount is the 1%~3% of close shrimp weight, stops feeding when water temperature is lower than 15 DEG C.Next year, April use tea
Bran, quick lime clear up rice field 1, kill wild fishes and disinfection, the water filling of shrimp ditch 2 and rice transplanting.To water temperature stability in 22 DEG C with
It when upper, removed and separates anti-escape network 4 and sandbag 6, close shrimp is carried out in culture in enclosure ditch 3 from numerous, and the young can be from anti-escape network after growing up to young shrimp
Mesh in drill out into rice field 1 and grow naturally.
Embodiment two
Rice field 1 is the comprehensive breeding rice field 1 of existing 30 mu of rice shrimps, and rice field 1 has a shrimp ditch 2 of wide 4m, depth 0.8m, 2 kinds of shrimp ditch
It is implanted with waterweed, 10 DEG C~35 DEG C of 2 long-term water temperature of shrimp ditch.It carries out culture in enclosure ditch 3 October current year to be arranged, 30 mu of 1 area of rice field is put
Support 5000 tails of density/mu, estimate close shrimp and produce 150 tail of seedling amount, female male parent shrimp ratio is 3:1, the close shrimp density of culture in enclosure ditch 3 be 15 tails/
m2.Calculating rice field 1 needs 150000 tail of seed, needs female 1000 tail of shrimp, 334 tail of male shrimp, and culture in enclosure ditch area is set as 89m2.Use sand
6 closing of bag and surrounding setting escaping-preventing facilities, escaping-preventing facilities are the anti-escape network 5 of diameter 1.0cm, while according to area ratio 3:1 ratio
Separate culture in enclosure ditch 3 using anti-escape network 4 is separated, puts female shrimp and male shrimp in a suitable place to breed respectively.When commercial sized prawn fishing listing, close shrimp is selected, is used
The liquor potassic permanganate of 25mg/L concentration impregnates after five minutes, is put into culture in enclosure ditch corresponding region according to female-male proportion 3:1 and is raised
It supports.The close female shrimp of shrimp specification requirement is greater than 50g/ tail, and male shrimp is greater than 80g/ tail, and it is harmless without wound, body colour light, vigor that shrimp body is disease-free
It is good.Daily feeding amount is the 3%~8% of close shrimp weight, stops feeding when water temperature is lower than 15 DEG C.Next year, April use tea
Bran, quick lime clear up rice field 1, kill wild fishes and disinfection, the water filling of shrimp ditch 2 and rice transplanting.To water temperature stability in 22 DEG C with
It when upper, removed and separates anti-escape network 4 and sandbag 6, close shrimp is carried out in culture in enclosure ditch 3 from numerous, and the young can be from anti-escape network after growing up to young shrimp
Mesh in drill out into rice field 1 and grow naturally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of red claw crayfish rice field is from breeding method, which is characterized in that the red claw crayfish rice field from breeding method include following step
It is rapid:
Step 1: the rice field of the comprehensive breeding of selection rice shrimp, rice field have the shrimp ditch of wide 2~4m, deep 0.8~1.2m；
Step 2: being closed using sandbag, and surrounding establishes escaping-preventing facilities using anti-escape network, according to area ratio 2:1~3:1 ratio
Culture in enclosure ditch is separated using anti-escape network；
Step 3: female shrimp and male shrimp are put in a suitable place to breed respectively in separated region, female male parent shrimp ratio is 2:1 or 3:1, culture in enclosure ditch parent's shrimp density
For 5~20 tails/m2；
Step 4: close shrimp removes sandbag from numerous period and separates anti-escape network, and close shrimp mates from numerous, and the shrimp seedling of generation passes through anti-
Escape net and enter rice field to grow naturally.
2. red claw crayfish rice field as described in claim 1 is from breeding method, which is characterized in that the shrimp ditch kind is implanted with water plant, shrimp
10 DEG C~35 DEG C of the long-term water temperature of ditch.
3. red claw crayfish rice field as described in claim 1 is from breeding method, which is characterized in that the culture in enclosure ditch setting, selection are leaned on
The shrimp ditch of nearly water inlet is configured, and carries out closing using sandbag and surrounding is arranged escaping-preventing facilities, escaping-preventing facilities be mesh 0.6~
Anti-climbing film is arranged in the anti-escape network of 1.5cm, anti-escape network top.
4. red claw crayfish rice field as described in claim 1 is from breeding method, which is characterized in that it is described according to rice field area, put in a suitable place to breed
Density estimates close shrimp production seedling amount, the progress culture in enclosure ditch area setting of female male parent shrimp ratio.
5. red claw crayfish rice field as described in claim 1 is from breeding method, which is characterized in that the rice field breeding density is 3000
~6000 tails/mu, for every female shrimp from numerous final acquisition shrimp seedling based on 50~100 tails, female male parent shrimp ratio is 2:1 or 3:1, culture in enclosure
Ditch parent's shrimp density is 5~20 tails/m2。
6. a kind of red claw crayfish rice field as described in claim 1 is from the red claw crayfish rice field that breeding method uses from numerous system, special
Sign is that the red claw crayfish rice field includes: rice field, shrimp ditch, culture in enclosure ditch, separates anti-escape network, anti-escape network, sandbag from numerous system；
The surrounding digging in rice field has shrimp ditch, and culture in enclosure ditch is provided in shrimp ditch, and the both ends of culture in enclosure ditch are placed with sandbag, placement in culture in enclosure ditch
There is separation anti-escape network, is enclosed around culture in enclosure ditch and have anti-escape network.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642432A (en) * | 2020-04-07 | 2020-09-11 | 广西壮族自治区水产科学研究院 | Method for in-situ breeding of red swamp crayfish in rice field planting area in slack winter |
| CN113099989A (en) * | 2021-03-31 | 2021-07-13 | 海南归耘田农业科技有限公司 | Rice and shrimp joint cropping ecological breeding method |
| CN116530450A (en) * | 2023-06-16 | 2023-08-04 | 江苏中水东泽农业发展股份有限公司 | Mixed cultivation method for rice and shrimps |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101233832A (en) * | 2008-02-29 | 2008-08-06 | 天津市水产研究所 | Aralichthys lethostigma parent fish rearing method |
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| CN113099989A (en) * | 2021-03-31 | 2021-07-13 | 海南归耘田农业科技有限公司 | Rice and shrimp joint cropping ecological breeding method |
| CN116530450A (en) * | 2023-06-16 | 2023-08-04 | 江苏中水东泽农业发展股份有限公司 | Mixed cultivation method for rice and shrimps |
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