CN110338114A - Portunus trituberculatus Miers anti-season isolating female from male culture method - Google Patents
Portunus trituberculatus Miers anti-season isolating female from male culture method Download PDFInfo
- Publication number
- CN110338114A CN110338114A CN201910758419.6A CN201910758419A CN110338114A CN 110338114 A CN110338114 A CN 110338114A CN 201910758419 A CN201910758419 A CN 201910758419A CN 110338114 A CN110338114 A CN 110338114A
- Authority
- CN
- China
- Prior art keywords
- male
- female
- crab
- water
- season
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241001533364 Portunus trituberculatus Species 0.000 title claims abstract description 32
- 238000012136 culture method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 239000013535 sea water Substances 0.000 claims description 12
- 238000009360 aquaculture Methods 0.000 claims description 10
- 244000144974 aquaculture Species 0.000 claims description 10
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims description 6
- 241000238557 Decapoda Species 0.000 claims description 6
- 241000700141 Rotifera Species 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 241000251468 Actinopterygii Species 0.000 claims description 5
- 241001247197 Cephalocarida Species 0.000 claims description 5
- 241000595940 Notostraca Species 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 201000010099 disease Diseases 0.000 claims description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 4
- 239000003605 opacifier Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000006041 probiotic Substances 0.000 claims description 4
- 235000018291 probiotics Nutrition 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical group C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 3
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 230000002776 aggregation Effects 0.000 claims description 3
- 238000004220 aggregation Methods 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 3
- HEZMRBNCRSVIHU-UHFFFAOYSA-N calcium boric acid dihypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-].OB(O)O HEZMRBNCRSVIHU-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 239000000645 desinfectant Substances 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 3
- 238000011534 incubation Methods 0.000 claims description 3
- 230000001418 larval effect Effects 0.000 claims description 3
- 208000004141 microcephaly Diseases 0.000 claims description 3
- 230000000474 nursing effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 3
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 230000000069 prophylactic effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000012286 potassium permanganate Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000012447 hatching Effects 0.000 abstract description 4
- 230000004083 survival effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 230000000366 juvenile effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 241000252069 Megalops Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000238147 Portunidae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 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
- A01K61/10—Culture of aquatic animals of fish
- A01K61/13—Prevention or treatment of fish diseases
-
- 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
Landscapes
- 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 discloses a kind of Portunus trituberculatus Miers anti-season isolating female from male culture methods, including ovigerous crab hatching, large size seedling seed are cultivated, isolating female from male culture three phases.The present invention uses isolating female from male culture, weakens male and female crab because the inconsistent bring of the speed of growth is killed each other, to greatly improve cultivation survival rate, improves yield；More importantly, the male crab that anti-season is individually raised can shift to an earlier date 15 ~ 30 days compared with female crab and list, and blank early period in market be filled up, in the most of time in swimming crab 5 ~ August closed fishing season, product can be provided for consumer, to obtain good Social benefit and economic benefit.
Description
Technical field
The present invention relates to technical field of aquaculture, and in particular to arrives a kind of Portunus trituberculatus Miers anti-season isolating female from male culture side
Method.
Background technique
Portunus trituberculatus Miers is one of Chinese Fishery cultivation important species, and delicious meat is full of nutrition, and economic value is high,
It is famous at home and abroad.Recently as the breakthrough of artificial breeding technology, pond-culture industry development is swift and violent.
Patent document 1(CN107361001A) a kind of Portunus trituberculatus Miers cultural method of two crops in one year is provided, it can be 1
~ 2 months, 6 ~ July, two periods provide into crab, for having filled up the supply blank in May to Portunus trituberculatus Miers between August, to meet
Consumer demand.First batch of this cultural method is female crab, belongs to the biggish finished product cream crab of individual, and quality is higher；Second
Stubble is that male and female are raised together, and quality is relatively poor.
From the point of view of current cultivation practice, there are some drawbacks for the male and female mixed breeding in second batch of cultivation: (1) male crab robs food ability
By force, female crab is not easy to get bait, and female crab forming specification is caused to become smaller；(2) shell of male and female individual is asynchronous, especially last time
Mature shell, male crab usually shift to an earlier date 15 ~ 30 days or so than female crab, cause just easily residual in the soft crab of shell or just shell
It kills, to reduce survival rate；(3) male and female mixed breeding cause male crab to be difficult to individually catch, under normal conditions can only with female crab simultaneously on
City, therefore, it is difficult to sell for good price lattice.
Summary of the invention
In order to improve the economic benefit of anti-season swimming crab, the drawbacks described above for overcoming male and female to raise together, the present invention provides one
Kind Portunus trituberculatus Miers anti-season isolating female from male culture method.
The technical solution adopted by the invention is as follows:
A kind of Portunus trituberculatus Miers anti-season isolating female from male culture method, steps are as follows:
Step S1. selects the ovigerous crab in incubation period, is thrown in nursery pond in mid-September, and nursery pond temperature is not higher than
26 DEG C, during which salinity 24 ~ 28 ‰, 4 ~ 5mg/L of dissolved oxygen feeds live-shellfish, through 15 ~ 20 days, hatches zoea larva；
Step S2. makees large size seedling seed cultivation under the environment of plant, until the young crab phase, carries out male and female sorting, pond or subnetting case is divided to train
It supports；
Young crab is transferred to aquaculture pond, isolating female from male culture by step S3. mid-April next year, and 150-200 grams/of finished crab is arrived in cultivation
Fishing listing afterwards, by the end of June for first arrival in June, the fishing time of female crab is from early July to by the end of July to the fishing time of male crab.
The beneficial effects of the present invention are: the present invention uses isolating female from male culture, male and female crab is weakened because of the inconsistent band of the speed of growth
That comes kills each other, and greatly improves cultivation survival rate, improves yield；The male crab that more importantly anti-season is individually raised is compared with female
Crab can shift to an earlier date 15 ~ 30 days and list, and fill up blank early period in market, in the most of time in swimming crab 5 ~ August closed fishing season, equal energy
Product is provided for consumer, to obtain good Social benefit and economic benefit.
Preferred: the male and female sorting in the step S2 is long to wide 3~3.5 centimetres of first or more in young crab, visually can area
It is carried out when point male and female.
Preferred: the sorting of male and female in the step S2 is specifically, when ambient light illumination is in 40lux or less, in nursery
Pool side edge slings incandescent lamp, with the aggregation of light trapping children crab, then is put into basin after being caught with the string bag, after manually separating male and female,
It is put into different nursery pond or net cage respectively.
It is preferred: further include following content in the step S2:
S2.1. bait throwing in: Z1 phase feeding chlorella, Z2 ~ Z3 phase feeding wheel animalcule young, the fairy shrimp young, Z4 ~ C2 phase feeding artemia,
Periodically, determine matter, quantitative, fixed point, repeatedly feed on a small quantity；
S2.2. change water: Z1 ~ Z2 phase adds 6 ~ 8cm of water deep daily, changes water from the Z3 phase daily, and residual bait, dead seedling, holding when changing water is discharged
Water temperature stability avoids water temperature from being mutated；
S2.3. water transfer: apply probiotics after changing water every time；
S2.4. prevent residual: opacifier of periodically splashing into nursery pond, Z1 phase are chlorella, and Z2 ~ Z3 phase is humic acid, Z4 ~ C1 phase
For zeolite powder, 25 ~ 30cm of water visual depth is maintained；
S2.5. diseases prevention: water for larval nursing uses disinfected sea water, and bait, culture pond and seedling-cultivating tool are disinfected.
Preferred: the nursery pond is equipped with water filter and water pump, water filter equipped with circulation drainage facility, the circulation drainage facility
Middle addition 3000 ~ 5000ppm liquor potassic permanganate, water filter inner wall are equipped with ultraviolet lamp；In the step S2.2, Z3 ~ Z4 phase
Water is changed to be circulated by the water in circulation drainage facility to realize.
Preferred: the nursery pond includes being disposed adjacent multiple, in the step S2.2, changes water after M phase and M phase
It is realized by the sprout tumble between two neighboring nursery pond；It is equipped between the adjacent nursery pond and turns seedling device, it is described to turn seedling
Device is the horn mouth net cylinder with inverted beard structure and flashboard, the nursery pond of the major part connection upstream of the horn mouth net cylinder, microcephaly
It is connected to the nursery pond in downstream；Sprout tumble between the adjacent nursery pond is realized by light trapping or/and bait lure technology
It realizes.
It is preferred: the prophylactic measures in the step S2.5 specifically: nursery seawater with 7ppm ~ 10ppm bleaching powder or
It after the disinfectant of the 3ppm containing effective chlorine is handled 2 hours ~ 8 hours, then neutralizes through equivalent sodium thiosulfate, confirmation is without chlorine residue can
Disinfected sea water；The wheel animalcule young, the fairy shrimp young were with 300ppm dipped into formalin 5 minutes ~ 10 minutes, artemia, small fish and shrimp
It impregnates 5 minutes ~ 10 minutes and handles through 10ppm liquor potassic permanganate；Culture pond and seedling-cultivating tool are soaked through 100ppm Eusol
Bubble is rinsed well after 1 day, then with disinfected sea water.
Preferred: 10 ~ 20 ㎡ of nursery pool area, the 1.2 ~ 1.4m of the depth of water are the pot shape structure that surrounding is high, centre is low,
The bottom of the nursery pond is evenly distributed with several qi-emitting holes, and the nursery pond is surrounded by the eddy flow stomata being obliquely installed, described to educate
The lowest part of Miao Chi is equipped with waste discharge hole.
Preferred: in the step S3, male crab is reinforced feeding, and rapid fattening, female crab normally feeds.
Preferred: in the step S3, the cultivation density of male crab is 2000 ~ 2500/mu, and the cultivation density of female crab is
1600 ~ 2000/mu.
Detailed description of the invention
Fig. 1 is the top view of nursery pond in the embodiment of the present invention.
Fig. 2 is the schematic diagram of the circulation drainage facility of nursery pond and cooling facility in the embodiment of the present invention.
Fig. 3 is the top view of multiple nursery ponds in the embodiment of the present invention.
Fig. 4 is the schematic diagram of transfer seedling device of the embodiment of the present invention.
Nursery pond 100, eddy flow stomata 101, qi-emitting hole 102, waste discharge hole 103, water filter 200, water pump 300, transfer pond
400, cooling heat exchanger 500, water cooler 600, turn seedling device 700, horn mouth net cylinder 701, inverted beard structure 702, flashboard 703.
Specific embodiment
Below with reference to embodiment, the invention will be further described with attached drawing.
The paedomorphosis stage of Portunus trituberculatus Miers is generally divided into:
(1) first stage zoea larva (the Z1 phase), 2 ~ 3 days；
(2) second stage zoea larva (the Z2 phase), 3 ~ 4 days；
(3) third stage zoea larva (the Z3 phase), 3 ~ 4 days；
(4) fourth stage zoea larva (the Z4 phase), 3 ~ 4 days；
(5) megalops larva (the M phase), 5 ~ 6 days；
(6) the I ~ II son crab growth periods phase (C1 ~ C5 phase).
The Portunus trituberculatus Miers anti-season isolating female from male culture method of the present embodiment mainly include ovigerous crab hatching, big specification nursery,
Isolating female from male culture three phases, it is specific as follows.
The hatching of step S1. ovigerous crab.
In mid-September, the ovigerous crab in incubation period is selected, is thrown in nursery pond 100,100 temperature of nursery pond is not
Higher than 26 DEG C, during which salinity 24 ~ 28 ‰, 4 ~ 5mg/L of dissolved oxygen feeds fresh and alive wild fishes, through 15 ~ 20 days, hatches Magna shape children
Body.Hatching opportunity of the mid-September as ovigerous crab is selected, when it is precocious to avoid young crab current year, and guaranteeing 6 ~ 7 launch of next year
Specification is larger；Particularly, guarantee that ovigerous crab is in suitable environment temperature by the way of cooling during 8 ~ September.
The nursery pond 100 of the present embodiment may be provided at interior, can guarantee in nursery pond 100 by measures such as setting air-conditioned rooms
Water temperature is relative constant.Nursery pond 100 can also be used built-in cooling heat exchanger 500, cooling heat exchanger 500 shown in Fig. 2 be connected to it is cold
Water dispenser group 600 cools down to realize, 8 ~ September is generally hot weather, does not have to consider the problems of heating, therefore cooling heat exchanger 500
Cooperation water cooler 600 just can satisfy the water temperature requirement of nursery pond 100, compared with air-conditioned room, in equipment cost, operation and maintenance
Cost and reliability etc. advantage are all apparent.
The nursery pond 100 of the present embodiment as shown in Figure 1 and Figure 2, area 10 ~ 20 ㎡, 1.2 ~ 1.4m of the depth of water, be surrounding it is high, in
Between low pot shape structure, the bottom of nursery pond 100 is evenly distributed with several qi-emitting holes 102, and being surrounded by for the nursery pond is obliquely installed
Eddy flow stomata 101, the lowest part of the nursery pond 100 is equipped with waste discharge hole 103.The qi-emitting hole 102 of the present embodiment plays tonifying Qi benefit
The effect of oxygen；Eddy flow stomata 101 can make water body in nursery pond 100 generate eddy flow, can be by residual bait, the dead seedling etc. in nursery pond 100
It is sent into waste discharge hole 103, is filtered with entering in next cycle drainage facility.
Step S2. large size seedling seed is cultivated.
S2.1. bait throwing in: Z1 phase feeding chlorella, Z2 ~ Z3 phase feeding wheel animalcule young, the fairy shrimp young, Z4 ~ M phase feeding halogen
Worm, C1 phase start feeding small fish and shrimp, and timing determines matter, is quantitative, fixed point, repeatedly feed on a small quantity.
S2.2. change water: Z1 ~ Z2 phase adds 6 ~ 8cm of water deep daily, changes water from the Z3 phase daily, residual bait, dead seedling is discharged, when changing water
Water temperature stability is kept, water temperature is avoided to be mutated.
The water that changes of the present embodiment is divided into three kinds of different modes by the paedomorphosis stage of Portunus trituberculatus Miers:
(1) Z1 ~ Z2 phase, the metabolism of this stage juvenile was slower, and residual bait, dead seedling and excrement are fewer, by adding water i.e. to add based on water
Water quality requirement can be met, avoiding frequently changing water causes to lose the excessive young.
(2) water that changes of Z3 ~ Z4 phase circulates the nursery to realize by the water in circulation drainage facility as shown in Figure 2
Equipped with circulation drainage facility, circulation drainage facility is equipped with water filter 200 and water pump 300 in pond 100, and addition 3000 in water filter 200 ~
5000ppm liquor potassic permanganate, water filter inner wall are equipped with ultraviolet lamp.
(3) water is changed by the sprout tumble between two neighboring nursery pond 100 to realize, such as Fig. 3, Fig. 4 after M phase and M phase
It is shown, it is equipped between adjacent nursery pond 100 and turns seedling device 700, turning seedling device 700 is with inverted beard structure 702 and flashboard 703
Horn mouth net cylinder 701, the nursery pond of the major part connection upstream of horn mouth net cylinder 701, microcephaly are connected to the nursery pond in downstream.Adjacent
Sprout tumble between nursery pond 100 is realized by light trapping or/and bait lure technology is realized, light trapping technology, in loudspeaker
A lamp is hung by mouth net cylinder 701, using the light habit that becomes of crab, attracts swimming crab to pass through horn mouth net cylinder 701, bait lures skill
Art, i.e., between turning seedling stage, the nursery pond for stopping at upstream is fed, and in the more bait throwing in material of 701 neighbouring position of horn mouth net cylinder, attracts shuttle
Sub- crab passes through horn mouth net cylinder 701.
The basic principle that sprout tumble after M phase and M phase changes water is to pass through light trapping realization or/and bait lure technology
Juvenile crab is poured into the nursery pond 100 closed on, certainly before sprout tumble, needs to clean empty nursery pond 100 and change water.Especially
, the present embodiment is industrial seedling rearing, therefore nursery pond 100 is arranged in workshop, usually, in without sunlight direct projection, nothing
More dark in workshop under room lighting condition, illuminance is substantially in 40lux hereinafter, be suitable for carrying out using the light habit that becomes of crab
Sprout tumble.Therefore the sprout tumble after M phase and M phase changes water, can all carry out within the most of time in addition to fine day noon, without etc.
To at dusk or at night, it is conducive to operator and works.
Three kinds of the present embodiment change water mode and are adapted respectively with the paedomorphosis stage of Portunus trituberculatus Miers, are keeping water quality
Reduce workload under the premise of stabilization as far as possible, and the process of sprout tumble plays the role of artificial selection to juvenile crab, washes in a pan
The insufficient sick seedling of part vigor and weak seedling are eliminated.
S2.3. water transfer: salinity 20-26 ‰, PH8.5-8.9, the mg/litre of DO>5, ammonia nitrogen<0.4 mg/litre, nitrite<
0.15 mg/litre keeps water quality pure and fresh, and water colour is in yellow green or yellowish-brown；Continue the oxygenation aeration into cultivating pool, changes every time
Apply probiotics after water.The present embodiment selects EM biological bacteria as probiotics, launches, can inhibit together in company with bait
Or remaining pathogen and harmful organism bacterium in water are killed, promote the profitable strain cultivated in water body quickly to breed, keeps nursery
The ecological balance of water body；EM biological bacteria, which enters in the swimming crab young, to have an effect, and decompose bait by lactic acid bacteria in enteron aisle
Material digests and assimilates nutritional ingredient and promotes its healthy growth to enhance the absorption function and diseases prevention anti-adversity ability of swimming crab, mention
High-survival rate.
S2.4. prevent residual: opacifier of periodically splashing into nursery pond, the Z1 phase be chlorella, Z2 ~ Z3 phase be humic acid, Z4 ~
The C1 phase is zeolite powder, maintains 25 ~ 30cm of water visual depth.The present embodiment according to the stage of development of juvenile crab select it is different prevent it is residual
Opacifier is conducive to juvenile crab and grows, and has the function of regulating water quality, equilibrated ph value.
S2.5. diseases prevention: water for larval nursing uses disinfected sea water, and bait, culture pond and seedling-cultivating tool are disinfected.Specifically
For, after nursery seawater was with the disinfectant of 7ppm ~ 10ppm bleaching powder or the 3ppm containing effective chlorine processing 2 hours ~ 8 hours, then through etc.
It measures sodium thiosulfate to neutralize, confirmation is available disinfected sea water without chlorine residue；The wheel animalcule young, fairy shrimp young 300ppm Fu Er
Malin impregnates 5 minutes ~ 10 minutes, and artemia, small fish and shrimp impregnate 5 minutes ~ 10 minutes through 10ppm liquor potassic permanganate to be handled；It cultivates
Pond and seedling-cultivating tool are rinsed well after 100ppm Eusol impregnates 1 day, then with disinfected sea water.
S2.6. male and female sort: grow to young crab phase, usually C5 phase in young crab, young crab it is long to first it is wide 3~3.5 centimetres or
More than, male and female sorting is carried out when can visually distinguish male and female, divides pond or subnetting case culture；The specific steps are in environment for male and female sorting
Illuminance slings incandescent lamp in 40lux or less, at nursery pond edge, with the aggregation of light trapping children crab, then after being caught with the string bag
It is put into basin, after manually separating male and female, is put into different nursery pond or net cage respectively.
Step S3. isolating female from male culture.
Young crab in nursery pond is transferred to aquaculture pond, isolating female from male culture by mid-April next year.Retain in male crab aquaculture pond a small amount of
Female crab, cultivation density be 2000 ~ 2500/mu；And in female crab aquaculture pond only have female crab, cultivation density be 1600 ~ 2000/
Mu.The finished product Fresh crab for cultivating 150-200 grams/, can catch listing.
The male crab speed of growth individually raised is very fast, feeds the method for frequency by increase to reinforce feeding, is substantially all
It can be listed by the end of June in first arrival in June, even if growth is slower, postpone to July and listing, can still sell ideal price, therefore can fit
When improving cultivation density, to obtain higher yield.Opposite, female crab growth is slower, once the Time To Market of female crab postpones till 8
Closed fishing season at the beginning of the month terminates, and crab agriculture will suffer heavy losses, therefore female crab must control cultivation density, to guarantee the growth speed of female crab
Degree, it is ensured that female crab can list by the end of July in first arrival in July.
Test cultivating pool in Zhoushan Region in 2019 uses the present embodiment isolating female from male culture cultural method, and mid-March exists
Japonicus seedling is put into aquaculture pond, launches male and female children crab into different aquaculture ponds respectively in mid-April.Wherein, male crab
By the end of June for first arrival in June, by the end of July for first arrival in July, the fishing time of japonicus is with same pond for the fishing time of female crab for fishing time
Swimming crab fishing time be consistent.Wherein male crab and, female crab and same Chi Ben as shown in table 1 with the yield of pond japonicus
The yield of prawn is as shown in table 2, compared with the average product (125,000 grams/acre) of second batch of swimming crab Fresh crab in patent document 1,
Increase obvious.
It is generally believed that keeping a certain number of female crabs that male crab can be stimulated to grow in male crab group, facilitate the growth of male crab
Development, makes that its individual is bigger, muscle is more, can maturation earlier.But then, male crab mates with female crab can consume itself battalion
It supports and ability, male crab can reduce, become weak, it is therefore necessary to the female crab quantity of strict control.As shown in Table 1, female in male crab aquaculture pond
Crab quantity control at 3 ~ 5%, at crab listing time earlier, final yield is also higher.Fishing standard herein refers to beats at random
20 or more swimming crabs in aquaculture pond are fished out, Individule mean weight is greater than 175 grams.
By table 1, table 2 it is found that using the present embodiment isolating female from male culture cultural method, weaken male and female crab because of the speed of growth not
Consistent bring is killed each other, and is improved cultivation survival rate, is increased yield；The male crab that more importantly anti-season is individually raised compared with
Female crab can shift to an earlier date 15 ~ 30 days list, fill up blank early period in market, in the most of time in swimming crab 5 ~ August closed fishing season,
Product can be provided for consumer, to obtain good Social benefit and economic benefit.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this
The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.
Claims (10)
1. a kind of Portunus trituberculatus Miers anti-season isolating female from male culture method, it is characterised in that steps are as follows:
Step S1. selects the ovigerous crab in incubation period, is thrown in nursery pond in mid-September, and nursery pond temperature is not higher than
26 DEG C, during which salinity 24 ~ 28 ‰, 4 ~ 5mg/L of dissolved oxygen feeds live-shellfish, through 15 ~ 20 days, hatches zoea larva；
Step S2. makees large size seedling seed cultivation under the environment of plant, until the young crab phase, carries out male and female sorting, pond or subnetting case is divided to train
It supports；
Young crab is transferred to aquaculture pond, isolating female from male culture by step S3. mid-April next year, and 150-200 grams/of finished crab is arrived in cultivation
Fishing listing afterwards, by the end of June for first arrival in June, the fishing time of female crab is from early July to by the end of July to the fishing time of male crab.
2. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 1, it is characterised in that: in the step S2
Male and female sorting it is long to wide 3~3.5 centimetres of first or more in young crab, can visually distinguish male and female when progress.
3. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 1, it is characterised in that: in the step S2
Male and female sort specifically, when ambient light illumination is in 40lux or less, incandescent lamp is sling at nursery pond edge, with light trapping
Young crab aggregation, then be put into basin after being caught with the string bag, after manually separating male and female, different nursery pond or net cage are put into respectively
In.
4. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 1, it is characterised in that in the step S2
Further include following content:
S2.1. bait throwing in: Z1 phase feeding chlorella, Z2 ~ Z3 phase feeding wheel animalcule young, the fairy shrimp young, Z4 ~ C2 phase feeding artemia,
Periodically, determine matter, quantitative, fixed point, repeatedly feed on a small quantity；
S2.2. change water: Z1 ~ Z2 phase adds 6 ~ 8cm of water deep daily, changes water from the Z3 phase daily, and residual bait, dead seedling, holding when changing water is discharged
Water temperature stability avoids water temperature from being mutated；
S2.3. water transfer: apply probiotics after changing water every time；
S2.4. prevent residual: opacifier of periodically splashing into nursery pond, Z1 phase are chlorella, and Z2 ~ Z3 phase is humic acid, Z4 ~ C1 phase
For zeolite powder, 25 ~ 30cm of water visual depth is maintained；
S2.5. diseases prevention: water for larval nursing uses disinfected sea water, and bait, culture pond and seedling-cultivating tool are disinfected.
5. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 4, it is characterised in that: the nursery pond is matched
There is circulation drainage facility, the circulation drainage facility is equipped with water filter and water pump, adds 3000 ~ 5000ppm potassium permanganate in water filter
Solution, water filter inner wall are equipped with ultraviolet lamp；In the step S2.2, the water that changes of Z3 ~ Z4 phase passes through the water in circulation drainage facility
It circulates to realize.
6. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 4, it is characterised in that: the nursery pond packet
It includes and is disposed adjacent multiple, in the step S2.2, the water that changes after M phase and M phase passes through falling between two neighboring nursery pond
Seedling is realized；It is equipped between the adjacent nursery pond and turns seedling device, the seedling device that turns is the loudspeaker with inverted beard structure and flashboard
Mouth net cylinder, the nursery pond of the major part connection upstream of the horn mouth net cylinder, microcephaly are connected to the nursery pond in downstream；Adjacent is described
Sprout tumble between nursery pond is realized by light trapping or/and bait lure technology is realized.
7. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 4, it is characterised in that: the step S2.5
In prophylactic measures specifically: nursery seawater is 2 small with the processing of the disinfectant of 7ppm ~ 10ppm bleaching powder or the 3ppm containing effective chlorine
When ~ after 8 hours, then neutralize through equivalent sodium thiosulfate, confirmation is available disinfected sea water without chlorine residue；The wheel animalcule young, good year
For the worm young with 300ppm dipped into formalin 5 minutes ~ 10 minutes, artemia, small fish and shrimp impregnated 5 points through 10ppm liquor potassic permanganate
Clock ~ 10 minute processing；Culture pond and seedling-cultivating tool are after 100ppm Eusol impregnates 1 day, then are rinsed and done with disinfected sea water
Only.
8. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 4, it is characterised in that: the nursery pond face
Product 10 ~ 20 ㎡, 1.2 ~ 1.4m of the depth of water are the pot shape structure that surrounding is high, centre is low, and the bottom of the nursery pond is evenly distributed with several gas distributions
Hole, the nursery pond are surrounded by the eddy flow stomata being obliquely installed, and the lowest part of the nursery pond is equipped with waste discharge hole.
9. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 1, it is characterised in that: the step S3
In, male crab is reinforced feeding, and rapid fattening, female crab normally feeds.
10. Portunus trituberculatus Miers anti-season isolating female from male culture method according to claim 1, it is characterised in that: the step S3
In, the cultivation density of male crab is 2000 ~ 2500/mu, and the cultivation density of female crab is 1600 ~ 2000/mu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758419.6A CN110338114B (en) | 2019-08-16 | 2019-08-16 | Out-of-season female and male separate breeding method for portunus trituberculatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758419.6A CN110338114B (en) | 2019-08-16 | 2019-08-16 | Out-of-season female and male separate breeding method for portunus trituberculatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110338114A true CN110338114A (en) | 2019-10-18 |
| CN110338114B CN110338114B (en) | 2022-03-22 |
Family
ID=68185275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910758419.6A Active CN110338114B (en) | 2019-08-16 | 2019-08-16 | Out-of-season female and male separate breeding method for portunus trituberculatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110338114B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113728952A (en) * | 2021-09-25 | 2021-12-03 | 无为优良农业科技有限公司 | Efficient crab breeding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663544A (en) * | 2015-02-06 | 2015-06-03 | 中国水产科学研究院东海水产研究所 | Artificial indoor seedling breeding method for charybdis feriatus |
| CN106386606A (en) * | 2016-09-13 | 2017-02-15 | 江苏省淡水水产研究所 | A culture method for making Chinese mitten-handed crabs come into market ahead of time |
| CN107232105A (en) * | 2017-06-05 | 2017-10-10 | 上海市水产研究所 | A kind of method that Portunus trituberculatus Miers summer cream crab is cultivated |
| CN107361001A (en) * | 2017-08-29 | 2017-11-21 | 浙江省海洋水产研究所 | The cultural method of Portunus trituberculatus Miers two crops in one year |
-
2019
- 2019-08-16 CN CN201910758419.6A patent/CN110338114B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663544A (en) * | 2015-02-06 | 2015-06-03 | 中国水产科学研究院东海水产研究所 | Artificial indoor seedling breeding method for charybdis feriatus |
| CN106386606A (en) * | 2016-09-13 | 2017-02-15 | 江苏省淡水水产研究所 | A culture method for making Chinese mitten-handed crabs come into market ahead of time |
| CN107232105A (en) * | 2017-06-05 | 2017-10-10 | 上海市水产研究所 | A kind of method that Portunus trituberculatus Miers summer cream crab is cultivated |
| CN107361001A (en) * | 2017-08-29 | 2017-11-21 | 浙江省海洋水产研究所 | The cultural method of Portunus trituberculatus Miers two crops in one year |
Non-Patent Citations (1)
| Title |
|---|
| 王广成等: "三疣梭子蟹高产高效养成技术", 《水产科技情报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113728952A (en) * | 2021-09-25 | 2021-12-03 | 无为优良农业科技有限公司 | Efficient crab breeding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110338114B (en) | 2022-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104115775B (en) | A kind of migration type Atlantic salmon industrial artificial seedling rearing method | |
| CN103314904B (en) | Large gauge Eriocheir sinensia pond ecological seedling-cultivating method | |
| MXPA06007857A (en) | Method and system for aquaculture production. | |
| CN110338113B (en) | Out-of-season swimming crab seedling raising method | |
| CN111713438A (en) | Method for cultivating high-quality and high-yield penaeus vannamei larvae | |
| CN110537505B (en) | Method for breeding released fingerlings of Lasa schizothorax prenanti | |
| CN101103706B (en) | Reproduction method for American reeves shad artificial cultivation parent fish | |
| CN107980673A (en) | A kind of alternate culture method of cray and mandarin fish | |
| CN111771772B (en) | Grouper fry breeding method | |
| CN110074026B (en) | Prawn pond ecological polyculture method | |
| CN109122443A (en) | Australia freshwater lobster recirculated water oogenesis hatching system and method for culturing seedlings | |
| CN106665427B (en) | Pond greenhouse overwintering polyculture method for takifugu obscurus parents and scatophagus argus | |
| CN109566504A (en) | A kind of cray cultural method | |
| CN109644911A (en) | A kind of red claw crayfish-grass carp-hydrilla verticillata ecology synthesis breeding method | |
| CN108124794A (en) | A kind of turbot parent fish gonad maturity accelerating breeding method | |
| CN108617551A (en) | A kind of method of Ecological Fish Culture | |
| CN110338114A (en) | Portunus trituberculatus Miers anti-season isolating female from male culture method | |
| Mims et al. | Production of paddlefish | |
| CN106386588B (en) | A kind of ecological cultivation method of Fugu rubripes | |
| CN112369352B (en) | Pond out-of-season alternate breeding method for micropterus salmoides and litopenaeus vannamei | |
| CN107646766A (en) | A kind of efficient industrial method for culturing seedlings of freshwater shrimp | |
| CN114190301A (en) | Method for breeding flower-tailed eagle broodstock | |
| CN113331099A (en) | Australia freshwater lobster breeding technology | |
| US20220174915A1 (en) | Hybridization method of sinocyclocheilus grahami and carp | |
| CN112425535A (en) | Method for accelerating early fry feeding habit conversion of takifugu rubripes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |