CN105875477A - Circulating water culturing system and method for rearing early fry of hybrid snakehead based on this system - Google Patents
Circulating water culturing system and method for rearing early fry of hybrid snakehead based on this system Download PDFInfo
- Publication number
- CN105875477A CN105875477A CN201610375733.2A CN201610375733A CN105875477A CN 105875477 A CN105875477 A CN 105875477A CN 201610375733 A CN201610375733 A CN 201610375733A CN 105875477 A CN105875477 A CN 105875477A
- Authority
- CN
- China
- Prior art keywords
- fry
- pond
- circulating water
- phase
- fish
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 241001597062 Channa argus Species 0.000 title claims abstract description 41
- 230000000384 rearing effect Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012258 culturing Methods 0.000 title abstract 5
- 235000013305 food Nutrition 0.000 claims abstract description 26
- 241000251468 Actinopterygii Species 0.000 claims description 31
- 238000009395 breeding Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 241000195967 Anthoceros Species 0.000 claims description 4
- 230000001488 breeding effect Effects 0.000 claims description 4
- 241000595940 Notostraca Species 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 230000012447 hatching Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000013372 meat Nutrition 0.000 claims description 3
- 238000006385 ozonation reaction Methods 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 2
- 230000004083 survival effect Effects 0.000 abstract description 11
- 208000030852 Parasitic disease Diseases 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005276 aerator Methods 0.000 abstract 1
- 239000010794 food waste Substances 0.000 abstract 1
- 230000001788 irregular Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 241001139305 Channa asiatica Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000021191 food habits Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000003643 water by type Substances 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- 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
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
-
- 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)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides a circulating water culturing system and a method for rearing early fry of hybrid snakehead based on this system. The circulating water culturing system is characterized in that a circulating water closed loop is composed of a fry rearing pool, a fry collecting pool and a water treatment pool, and the water treatment pool is added with an aerator and a temperature controller. By using the circulating water culturing system to control a fry survival environment, dividing a culturing cycle into a live food stage, a live food replacement stage and a feeding training stage according to conversion law for feeding habits of hybrid snakehead fry and feeding with different foods in the three stages, conversion stability is guaranteed for feeding habits of fry, and problems that existing pond rearing of hybrid snakehead fry is high in food residue rate and non-uniform in specification, fry easily suffers from parasitic diseases in early stage and are low in survival rate and production is bound by ambient conditions are effectively solved; the method for rearing early fry of hybrid snakehead based on this system is higher than 85% in average fry survival rate and 10-15 times as high as traditional pond rearing of fry in production efficiency.
Description
Technical field
The invention belongs to aquaculture rearing of fingerling field, be specifically related to a kind of circulating water culture system and hybridized snakehead fish based on this system fry rearing method in early days.
Background technology
Hybridized snakehead fish is Ophicephalus argus male parent and snakehead female parent, the F obtained by hybridization1In generation, hybridized snakehead fish has become the main breed variety of murrel section of China Fish.Showing fast growth, strong stress resistance, yield advantages of higher, have obvious hybrid vigor, cultivation scale expands the most year by year.
First 15 days its individual morphology of hybridized snakehead fish fry pond rearing and physiological function can occur great variety, and the rough cultivation in existing seed pond pattern is uncontrollable due to breeding environment, easily cause cultivation survival rate low.It is in particular in the following aspects: one is also much harmful to fry biologies of large scale cultivating while existing pond rearing cultivates food organisms due to fertilising in early days, and this stage fry scale not yet grows, and the most easily causes fry to suffer from parasitic disease；Two is existing pond rearing owing to pond waters is excessive, it is difficult to accomplish and the time-division dredges, and is susceptible to kill and devour phenomenon, thus is further exacerbated by growing dispersion, ultimately result in fry specification irregular, and survival rate drastically declines between fry；Three is that existing outdoor pond water temperature is uncontrollable, easily causes water temperature cataclysm because of Changes in weather, produces simultaneously and limited by ambient temperature season, produce instability, and pond utilization rate is the highest, it is impossible to carry out batch-order production according to customer demand.These factors seriously constrain the development of murrel section Fish aquaculture industry.
Therefore, it is necessary to invent a kind of method of big specification hybridized snakehead fish seed of can stably, multiple batches ofly cultivating to break through the technical bottleneck of restriction industry development.
Summary of the invention
It is an object of the invention to overcome the rate that kills and devour existing for existing pond rearing hybridized snakehead fish seed high, seed size is irregular, and fry easily suffers from parasitic disease in early days, and survival rate is the highest, produces the problem restricted by environmental condition.
To this end, the invention provides a kind of circulating water culture system, nursery pond, Ji Miaochi and water treating pond form a recirculated water closed-loop path, described water treating pond is provided with oxygen-increasing device and register.
Further, this circulating water culture system also includes that collecting-tank, described nursery pond are connected with Ji Miaochi by pipeline, and water treating pond constitutes recirculated water closed-loop path by pipeline and water pump with nursery pond, and described pipe end is connected with collecting-tank..
Further, above-mentioned nursery pond and Ji Miaochi all have several, every one Ji Miaochi of four nursery pond adapteds.
Further, above-mentioned nursery pond is dismountable canvas pond, and has the gradient of 5～10 degree at the bottom of its pond；The depth of water 45～55cm in nursery pond；Nursery pond is provided above roof insulating, and roof insulating is arranged sunshade net.
Further, being provided with one 30～50 mesh fry collecting nets in above-mentioned collection Seedling pond, the uncovered that Ji Miaochi is shaped as the length of side 60～80cm is cube shaped, and its side has one for connecting the opening of drain pipe.
Further, above-mentioned water treating pond uses through the hornwort of ozonization as filler, and the water treating pond degree of depth is 45～55cm.
It addition, present invention also offers hybridized snakehead fish based on above-mentioned circulating water culture system in early days fry rearing method, specifically include following steps:
1) building circulating water culture system: formed a recirculated water closed-loop path by nursery pond, Ji Miaochi and water treating pond, water treating pond connects oxygen-increasing device and register.
2) the putting in a suitable place to breed of fry: before breeding fish fry, first circulating water culture system is carried out thorough disinfection, further according to the cultivation density of design, being put in nursery pond by hybridized snakehead fish fry and cultivate, controlling water temperature in nursery pond is the preference temperature of hybridized snakehead fish fry rearing.
3) according to the transformation rule of hybridized snakehead fish fry feeding habits, being divided into live bait phase, live bait substitutes phase and instruction food phase its nurturing period；The live bait phase to nursery pond in fry throw something and feed the fairy shrimp germling of just hatching.
4) live bait substitute the phase to nursery pond in fry throw something and feed the minced fish of live fish, and at set intervals fry carried out a size divide thin, by different size of fry distribution to different nursery ponds, it is ensured that in each nursery pond, fry reaches the cultivation density of design.
5) the instruction food phase to nursery pond in fry throw something and feed murrel section Fish special feed and the mixture of minced fish；And at set intervals fry is carried out a size divide thin, by different size of fry distribution to different nursery ponds, it is ensured that in each nursery pond, fry reaches the cultivation density of design.
6) the instruction food phase terminate after the hybridized snakehead fish fry cultivated in nursery pond is put into collection fry in collection Seedling pond；After fry has collected out pond, repeat step 2)～5) enter next group fry culture-cycle.
Further, above-mentioned steps 2) in for circulating water culture system sterilization material be high concentration potassium permanganate solution；In nursery pond, water temperature is 28～31 DEG C.
Further, the above-mentioned live bait phase is the 1st～3 day of nurturing period, and live bait substitutes the 4th～8 day that the phase is the nurturing period, and the instruction food phase is the 9th～15 day of nurturing period；The cultivation density of fry is live bait phase 30000 tails/m3, live bait substitutes phase 12000 tails/m3, instruct food phase 5000 tails/m3。
Further, the live fish of the minced fish selection health that the above-mentioned live bait replacement phase throws something and feeds decaptitates and bones, and is twisted into minced fish with meat grinder, stirs in one direction with blender afterwards, until minced fish can agglomerating swim in water；In the mixture that the described instruction food phase throws something and feeds, the ratio of minced fish is more than 50%；Fry divides thin time interval to be 3～5 days in live bait replacement phase and instruction food phase.
Beneficial effects of the present invention:
(1) this circulating water culture system simple in construction that the present invention provides, floor space is little, and is not limited by water source and region, by water treating pond to cultivating processing with water of fry, is prevented effectively from the growth to fry harmful organism；Nursery pond can arrange multiple and water volume is controlled, it is simple to observe fry growth situation therein, and can carry out fry in time point dredging, and is prevented effectively between fry and kills and devour phenomenon；Meanwhile, the nurturing an environment controllable such as water temperature in nursery pond, make fry be in suitable condition growth all the time, improve the survival rate of fry.
(2) this based on circulating water culture system the hybridized snakehead fish that the present invention provides fry rearing method in early days is by cultivating by circulating water culture system, throw something and feed food according to the conversion of food habit rule of fry by stages simultaneously, solve the rate that kills and devour existing for existing pond rearing hybridized snakehead fish fry high, specification is irregular, fry easily suffers from parasitic disease in early days, survival rate is the highest, produce the problem that restricted by environmental condition, and can stablize, quick, multiple batches of the hybridization Channa argus fry cultivating big specification.
(3) the fry specification that this based on circulating water culture system the hybridized snakehead fish early stage fry rearing method that the present invention provides is cultivated is uniform, equal about the 3cm of fry total length, and average survival is more than 85%, and production efficiency is 10～15 times of existing pond nursery.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of circulating water culture system of the present invention.
Description of reference numerals: 1, nursery pond；2, Ji Miaochi；3, collecting-tank；4, water treating pond；5, pipeline；6, water pump.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, present embodiments provide a kind of circulating water culture system, nursery pond 1, collection Seedling pond 2 and water treating pond 4 form a recirculated water closed-loop path, described water treating pond 4 is provided with oxygen-increasing device and register.
The present embodiment additionally provides hybridized snakehead fish based on above-mentioned circulating water culture system in early days fry rearing method, specifically includes following steps:
1) circulating water culture system is built: formed a recirculated water closed-loop path by nursery pond 1, collection Seedling pond 2 and water treating pond 4, water treating pond 4 is provided with oxygen-increasing device and register.
Preferably, this circulating water culture system also includes collecting-tank 3, for the transition of water body unnecessary between nursery pond 1 and water treating pond 4, described nursery pond 1 is connected with collection Seedling pond 2 by pipeline 5, and water treating pond 4 constitutes recirculated water closed-loop path by pipeline 5 and water pump 6 with nursery pond 1.Described nursery pond 1 and collection Seedling pond 2 all have several, every four nursery pond 1 adapteds one collection Seedling pond 2；Nursery pond 1 is dismountable canvas pond, and has the gradient of 5～10 degree at the bottom of its pond, facilitates draining collection Seedling；The depth of water 45～55cm in nursery pond 1, so facilitate look at fry growth situation, conveniently throw something and feed, divide operations such as dredging, take roof insulating, roof insulating can be arranged sunshade net above nursery pond 1.One 30～50 mesh fry collecting nets it are provided with in described collection Seedling pond 2, the present embodiment is selected 40 mesh fry collecting nets, the uncovered that collection Seedling pond 2 is shaped as the length of side 60～80cm is cube shaped, its side has one for connecting the opening of drain pipe, collection Seedling pond 2 is that fry forms use when collecting fry afterwards, does not uses, therefore, in order to cost-effective, can multiple nursery pond 1 adapteds one collection Seedling pond 2.Described water treating pond 4 uses the hornwort through ozonization as filler, water treating pond 4 degree of depth is 45～55cm, to ensure that illumination can be gone directly the bottom, hornwort is in addition to having powerful adsorption function, moreover it is possible to carry out photosynthesis releasing oxygen, can absorb the ammonia nitrogen in water and nitrite simultaneously, owing to its growth is very fast, conveniently it is easy to get, changes simple, be the natural stuffing of a kind of high-quality；The oxygen-increasing device arranged in water treating pond 4 and register are for controlling the living environment of fry, water after water treating pond 4 will be processed by water pump 6 is re-delivered to nursery pond 1, form the circulating water loop of a Guan Bi with this, simultaneously in water treating pond 4 daily iron supplement 5～10% new water to make up evaporation capacity.
2) the putting in a suitable place to breed of fry: before breeding fish fry, first circulating water culture system is carried out thorough disinfection, further according to the cultivation density of design, being put in nursery pond 1 by hybridized snakehead fish fry and cultivate, controlling water temperature in nursery pond 1 is the preference temperature of hybridized snakehead fish fry rearing.Wherein, the material for circulating water culture system sterilization is high concentration potassium permanganate solution；Can improve the speed of growth of fry by properly increasing water temperature, the present embodiment is cultivated 15 days under the conditions of keeping in nursery pond 1 water temperature 28～31 DEG C, lowers the temperature by taking sunshade net, can open register 5 when temperature is less than 28 DEG C when temperature is more than 31 DEG C.
3) according to the transformation rule of hybridized snakehead fish fry feeding habits, being divided into live bait phase, live bait substitutes phase and instruction food phase its nurturing period；Concrete, the live bait phase is the 1st～3 day of nurturing period, and live bait substitutes the 4th～8 day that the phase is the nurturing period, and the instruction food phase is the 9th～15 day of nurturing period；The live bait phase to nursery pond 1 in fry throw something and feed the fairy shrimp germling of just hatching, and to control the cultivation density of fry in live bait phase nursery pond 1 be 30000 tails/m3。
4) live bait substitute the phase to nursery pond 1 in fry throw something and feed the minced fish of live fish, and at set intervals fry is carried out a size divide thin, by in different size of fry distribution to different nursery ponds 1, it is ensured that in each nursery pond 1, fry reaches the cultivation density of design.
Concrete, started to substitute live bait with minced fish from the 4th day, enter live bait and substitute the phase, select healthy live fish to decaptitate to bone, it is twisted into minced fish with meat grinder, stirring in one direction with blender afterwards, until minced fish can agglomerating swim in water, the purpose of do so is to prevent minced fish defeated and dispersed burden increasing the weight of circulating water culture system in water；A certain amount of live bait of throwing something and feeding is remained a need for, to ensure that feeding habits change stable stationarity in the live bait replacement phase.Meanwhile, in this live bait every 3～5 days of phase of replacement, hybridized snakehead fish fry is carried out a size and divide thin, divide the fry in nursery pond 1 to dredge and multiple nursery pond 1 is cultivated cultivation, make fry reach the cultivation density 12000 tails/m of design3, prevent fry from killing and devouring mutually.
5) the instruction food phase to nursery pond 1 in fry throw something and feed murrel section Fish special feed and the mixture of minced fish；And at set intervals fry is carried out a size divide thin, by different size of fry distribution to different nursery ponds 1, it is ensured that in each nursery pond 1, fry reaches the cultivation density of design.
Concrete, after fry can ingest minced fish comprehensively, start in minced fish, add murrel section Fish special compound feed and enter the instruction food phase, adding proportion according to fry ingest situation take the circumstances into consideration increase and decrease, but the instruction food phase remains the minced fish ratio of more than 50%, prevent the impact on fry growth of the feed nutrient disappearance.Meanwhile, in this instruction the most every 3～5 days of phase of food, hybridized snakehead fish fry is carried out a size and divide thin, divide the fry in nursery pond 1 to dredge and multiple nursery pond 1 is cultivated cultivation, make fry reach the cultivation density 5000 tails/m of design3, prevent fry from killing and devouring mutually.
6) instruction the food phase terminate after by nursery pond 1 cultivate hybridized snakehead fish fry be put into collection Seedling pond 2 in collect fry；After fry has collected out pond, repeat step 2)～5) enter next group fry culture-cycle.
The fry specification that the breeding method using the present embodiment to provide is cultivated is uniform, equal about the 3cm of fry total length, and starts to late August to produce 7 batches altogether from late May, and average survival is more than 85%, and production efficiency is 10～15 times of traditional pond nursery；It addition, the fry that this breeding method is cultivated enters pond culture, behind the lower pool, fry ingests all right, eats through the instructions of about 40～60 days, and fry can successfully ingest murrel section Fish special compound feed, enters the normal adult fish culture stage.
In sum, this based on circulating water culture system the hybridized snakehead fish that the present invention provides fry rearing method in early days is by cultivating by circulating water culture system, solve the rate that kills and devour existing for existing pond rearing hybridized snakehead fish fry high, specification is irregular, fry easily suffers from parasitic disease in early days, survival rate is the highest, produces the problem that restricted by environmental condition, and can stablize, multiple batches of the hybridized snakehead fish fry kind cultivating big specification.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention belongs to protection scope of the present invention.
Claims (10)
1. a circulating water culture system, it is characterized in that: formed a recirculated water closed-loop path by nursery pond (1), Ji Miaochi (2) and water treating pond (4), described water treating pond is provided with oxygen-increasing device and register in (4).
2. circulating water culture system as claimed in claim 1, it is characterized in that: also include collecting-tank (3), described nursery pond (1) is connected with Ji Miaochi (2) by pipeline (5), water treating pond (4) constitutes recirculated water closed-loop path by pipeline (5) and water pump (6) with nursery pond (1), and described pipeline (5) end is connected with collecting-tank (3).
3. circulating water culture system as claimed in claim 1 or 2, it is characterised in that: described nursery pond (1) and Ji Miaochi (2) all have several, one Ji Miaochi (2) of every four nursery pond (1) adapteds.
4. circulating water culture system as claimed in claim 1 or 2, it is characterised in that: described nursery pond (1) is dismountable canvas pond, and has the gradient of 5～10 degree at the bottom of its pond；The depth of water 45～55cm in nursery pond (1)；Nursery pond (1) is provided above roof insulating, and roof insulating is arranged sunshade net.
5. circulating water culture system as claimed in claim 1 or 2, it is characterized in that: in described Ji Miaochi (2), be provided with one 30～50 mesh fry collecting nets, the uncovered that Ji Miaochi (1) is shaped as the length of side 60～80cm is cube shaped, and its side has one for connecting the opening of drain pipe.
6. circulating water culture system as claimed in claim 1 or 2, it is characterised in that: described water treating pond (4) uses the hornwort through ozonization to be 45～55cm as filler, water treating pond (4) degree of depth.
7. a hybridized snakehead fish based on circulating water culture system described in any one of claim 1～6 fry rearing method in early days, it is characterised in that: specifically include following steps:
1) building circulating water culture system: formed a recirculated water closed-loop path by nursery pond (1), Ji Miaochi (2) and water treating pond (4), the upper connection of water treating pond (4) has oxygen-increasing device and register；
2) the putting in a suitable place to breed of fry: before breeding fish fry, first circulating water culture system is carried out thorough disinfection, cultivation density further according to design, being put into by hybridized snakehead fish fry in nursery pond (1) and cultivate, controlling water temperature in nursery pond (1) is the preference temperature of hybridized snakehead fish fry rearing；
3) according to the transformation rule of hybridized snakehead fish fry feeding habits, being divided into live bait phase, live bait substitutes phase and instruction food phase its nurturing period；The live bait phase to nursery pond (1) in fry throw something and feed the fairy shrimp germling of just hatching；
4) live bait substitute the phase to nursery pond (1) in fry throw something and feed the minced fish of live fish, and at set intervals fry is carried out a size divide thin, by in different size of fry distribution to different nursery ponds (1), it is ensured that in each nursery pond (1), fry reaches the cultivation density of design；
5) the instruction food phase to nursery pond (1) in fry throw something and feed murrel section Fish special feed and the mixture of minced fish；And at set intervals fry is carried out a size divide thin, by different size of fry distribution to different nursery ponds (1), it is ensured that in each nursery pond (1), fry reaches the cultivation density of design；
6) the instruction food phase terminate after the hybridized snakehead fish fry cultivated in nursery pond (1) be put in Ji Miaochi (2) collect fry；After fry has collected out pond, repeat step 2)～5) enter next group fry culture-cycle.
8. hybridized snakehead fish based on circulating water culture system as claimed in claim 7 fry rearing method in early days, it is characterised in that: described step 2) in for the material of circulating water culture system sterilization be high concentration potassium permanganate solution；In nursery pond (1), water temperature is 28～31 DEG C.
9. hybridized snakehead fish based on circulating water culture system as claimed in claim 7 fry rearing method in early days, it is characterised in that: the described live bait phase is the 1st～3 day of nurturing period, and live bait substitutes the 4th～8 day that the phase is the nurturing period, and the instruction food phase is the 9th～15 day of nurturing period；The cultivation density of fry is live bait phase 30000 tails/m3, live bait substitutes phase 12000 tails/m3, instruct food phase 5000 tails/m3。
10. hybridized snakehead fish based on circulating water culture system as claimed in claim 7 fry rearing method in early days, it is characterized in that: the live fish of the minced fish selection health that the described live bait replacement phase throws something and feeds decaptitates and bones, it is twisted into minced fish with meat grinder, stir in one direction with blender afterwards, until minced fish can agglomerating swim in water；In the mixture that the described instruction food phase throws something and feeds, the ratio of minced fish is more than 50%；Fry divides thin time interval to be 3～5 days in live bait replacement phase and instruction food phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375733.2A CN105875477A (en) | 2016-05-31 | 2016-05-31 | Circulating water culturing system and method for rearing early fry of hybrid snakehead based on this system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375733.2A CN105875477A (en) | 2016-05-31 | 2016-05-31 | Circulating water culturing system and method for rearing early fry of hybrid snakehead based on this system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105875477A true CN105875477A (en) | 2016-08-24 |
Family
ID=56709709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375733.2A Pending CN105875477A (en) | 2016-05-31 | 2016-05-31 | Circulating water culturing system and method for rearing early fry of hybrid snakehead based on this system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105875477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113994903A (en) * | 2021-11-02 | 2022-02-01 | 广西恒邦农业发展有限公司 | Breeding and research method for cultivating excellent varieties in canvas fish pond |
| CN115486393A (en) * | 2022-10-09 | 2022-12-20 | 中国水产科学研究院淡水渔业研究中心 | Engineering circulating water system structure and method for culturing crab seedling live baits |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010088307A (en) * | 2008-10-03 | 2010-04-22 | Taiyo Suiken:Kk | System for automatic denitrification of closed water area |
| KR20130078423A (en) * | 2011-12-30 | 2013-07-10 | 어업회사법인 (주)한빛수산 | The environmentally sound form system of a mandarin fish |
| CN103262819A (en) * | 2013-05-23 | 2013-08-28 | 南京师范大学 | Crossbreeding and seedling method of odontobutis potamophila and odontobutis yaluensis |
| CN104221946A (en) * | 2013-06-17 | 2014-12-24 | 上海海洋大学 | Closed type aquaculture larval rearing system |
| CN104396836A (en) * | 2014-12-09 | 2015-03-11 | 南京师范大学 | Method for directional copulation pedigree cultivation of river odontobutis obscurus |
| CN204634758U (en) * | 2015-05-27 | 2015-09-16 | 通威股份有限公司 | A kind of fresh water seed semi-aerobic landfill system |
| CN104904628A (en) * | 2015-05-05 | 2015-09-16 | 中国水产科学研究院渔业机械仪器研究所 | Fry hatching and breeding system |
-
2016
- 2016-05-31 CN CN201610375733.2A patent/CN105875477A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010088307A (en) * | 2008-10-03 | 2010-04-22 | Taiyo Suiken:Kk | System for automatic denitrification of closed water area |
| KR20130078423A (en) * | 2011-12-30 | 2013-07-10 | 어업회사법인 (주)한빛수산 | The environmentally sound form system of a mandarin fish |
| CN103262819A (en) * | 2013-05-23 | 2013-08-28 | 南京师范大学 | Crossbreeding and seedling method of odontobutis potamophila and odontobutis yaluensis |
| CN104221946A (en) * | 2013-06-17 | 2014-12-24 | 上海海洋大学 | Closed type aquaculture larval rearing system |
| CN104396836A (en) * | 2014-12-09 | 2015-03-11 | 南京师范大学 | Method for directional copulation pedigree cultivation of river odontobutis obscurus |
| CN104904628A (en) * | 2015-05-05 | 2015-09-16 | 中国水产科学研究院渔业机械仪器研究所 | Fry hatching and breeding system |
| CN204634758U (en) * | 2015-05-27 | 2015-09-16 | 通威股份有限公司 | A kind of fresh water seed semi-aerobic landfill system |
Non-Patent Citations (1)
| Title |
|---|
| 袁延文: "《养殖业主导品种和主推技术》", 30 September 2014, 湖南科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113994903A (en) * | 2021-11-02 | 2022-02-01 | 广西恒邦农业发展有限公司 | Breeding and research method for cultivating excellent varieties in canvas fish pond |
| CN115486393A (en) * | 2022-10-09 | 2022-12-20 | 中国水产科学研究院淡水渔业研究中心 | Engineering circulating water system structure and method for culturing crab seedling live baits |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103314902B (en) | The nuisanceless pond breeding method of a kind of river crab | |
| CN103875571B (en) | The method of cultivation of a kind of mandarin fish fingerling mass-producing | |
| CN103404462B (en) | Method for cultivating fries of coilia ectenes in soil pond | |
| CN105360021B (en) | A kind of cray is nursed young plants in hothouses device and rice field breeding round-robin method | |
| CN104430089A (en) | Pollution-free fresh water lobster breeding method | |
| CN104126549B (en) | Hirudo seed and snail and the thick breeding method of pasture and water commensalism mark | |
| CN101836607B (en) | Method for breeding macrobrachium nipponensis | |
| CN106489801B (en) | A kind of half pierces thick lip fish artificial seedling rearing's method | |
| CN104542407B (en) | Two-stage cultivation method for loach offspring seeds | |
| CN101731170A (en) | Reinforced cultivating method of freshwater shrimp seedshrimp | |
| CN106063469B (en) | A kind of onychostoma simus offspring seed cultivation method | |
| CN102124974A (en) | Method for artificially breeding seed of spotted maigre | |
| CN102106326B (en) | Method for three-dimensional and artificial seedlings cultivation of perinereis aibuhitensis | |
| CN112042570A (en) | Method for efficiently cultivating and domesticating micropterus salmoides water bloom seedlings in pond greenhouse | |
| CN110235826A (en) | A kind of thick breeding method of red claw crayfish seed brooder mark | |
| CN106332810A (en) | Large-scale breeding method of large-size fingerlings of Pelteobagrus fulvidraco Huangyou No.1 | |
| CN106614121A (en) | Artificial Chinese hooksnout carp breeding method and application in large-scale Chinese hooksnout carp breeding | |
| CN104221963A (en) | Loach large-scale ecological breeding method | |
| CN103563861B (en) | Perinereis aibuhitensis totally-artificial breeding technology | |
| CN104542398A (en) | Spring and autumn two-season propagation method for loaches | |
| CN104521654B (en) | A kind of method that pond eutrophication is administered by rice cultivation | |
| CN101711509B (en) | Method for raising fries of oplegnathus fasciatus | |
| CN109496927A (en) | A kind of efficient comprehensive breeding method of pearl rough gentian grouper | |
| CN103444604A (en) | Small-water body fry rearing method for cromileptes altivelis | |
| CN106259060B (en) | A kind of Cobitidae fish fry breeding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |