CN103503820B - Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation - Google Patents
Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation Download PDFInfo
- Publication number
- CN103503820B CN103503820B CN201310425180.3A CN201310425180A CN103503820B CN 103503820 B CN103503820 B CN 103503820B CN 201310425180 A CN201310425180 A CN 201310425180A CN 103503820 B CN103503820 B CN 103503820B
- Authority
- CN
- China
- Prior art keywords
- water
- bottom water
- fishpond
- cultivation
- natural
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of bottom water filtering system.The invention also discloses a kind of Ecology circulating water cultivation to hold concurrently propagating system.The invention also discloses by adopting circulating water cultivation propagating system of holding concurrently to cultivate the method for migration fishes natural propagation.The present invention is applicable to migration fishes grows and the circulating water cultivation that is integrated of laying eggs is held concurrently propagating system by setting up, the function of cultivating and breed is effectively integrated, optimize to migration fishes particularly hilsa herring to reach maturity the synergic adjustment of required ecological factor, make to cultivate parent population under suitable, harmonious, controlled ecological condition, sexual gland is synchronously reached maturity, and natural spawning, without the need to implementing artificial induced spawning, avoid because injection hormone fishes for the injures and deaths and interference gonad development operating and cause.The method is simple, reliable, effectively, become the key of migration fishes particularly Alosa sapidissima propagation technique industrialization.
Description
Technical field
The present invention relates to technical field of aquaculture, be specifically related to adopt circulating water cultivation propagating system of holding concurrently to impel the method for migration fishes natural propagation.
Background technology
In China, anadromous migration fish comprise the high-grade breed variety that salmon and hilsa herring etc. become important gradually.Such as, Alosa sapidissima (American shad, Alosa sapidissima) is since introducing at the end of last century, and China, every year from imported from America millions of fertilized eggs, defines the upsurge of cultivation Alosa sapidissima.But, Alosa sapidissima fertilized egg due to import is obtained by the artificial insemination of the wild reproductive population of US West's Colambia River, its egg-laying period is to mid-July in annual mid-June, now, water temperature in the major area (comprising the ground such as Guangdong, Jiangsu-zhejiang Shanghai Area) of Chinese Cultured Tenualosa Reevesii, generally at about 24 ~ 30 DEG C, is far longer than hilsa herring incubating oosperm temperature 15 ~ 18 DEG C, causes incubation rate very low (﹤ 10%), abnormal rate is high, causes very large economic loss.Survival rate of seedling is low and with low quality, causes the selling at exorbitant prices of hilsa herring fingerling, adds aquaculture cost, constrains the development of culturing reeves shads industry in China.
" a kind of Alosa sapidissima propagates the propagation method of parent artificially " (patent No. ZL200610028907.4) describes under fresh water flowing water cultivating condition, Cultured Tenualosa Reevesii is carried out to hormone is hastened parturition, test-tube propagation method.In practical operation, there is some defects in the method, is difficult to promote.First, hilsa herring health is tender and lovely, edgy, and fishing for and injection of hormone operation of period of hastening parturition or accelerate the ripening, inevitably damages fish body, directly with indirectly lethality is higher; The stress reaction that each operation also can cause hilsa herring strong, causes gonad development bad or asynchronous.In addition, in the method, parent fish rearing does not adopt cycle water Ecology engineering, cannot ensure good water quality; Adopt natural daylight, anhydrous temperature control equipment again, so light and temperature changes with the change of weather, the periodic natural trend rhythm and pace of moving things of the necessary water chemistry of gonad development, physics and physiological factor in hilsa herring migration process cannot be met, cause the gonad development of most parent population bad.Even if the parent population that gonad development is good, its gonad development is asynchronous.Owing to being difficult to the maturity judging reproductive cell, so the Best Times that enforcement hormone induction is laid eggs cannot be determined, more test-tube effective time cannot be grasped.The blindness that hormone is hastened parturition is comparatively large, misses receptive period, cause artificial propagation efficiency low when artificial insemination, production is difficult to promote.
Alosa sapidissima belongs to anadromous migration fish, and the necessary ecologic structure of its gonad development is comparatively complicated, and ecotope changes along with the change in migration path, and the change rhythm and pace of moving things meeting its ecotope is the key of hilsa herring sexual gland normal development.Gonad development is difficult to meet in hilsa herring migration process to the demand of ecotope with traditional breeding facility and breeding method.Such as, in traditional cultural method, because water body is excessive, water temperature changes with the change of weather, irresistible, and suddenly heating up or lowering the temperature directly affects gonad development and the reproductive behavior of hilsa herring.
2007, we were hastened parturition by injection hormone induction, Cultured Tenualosa Reevesii parent is carried out artificial insemination, successfully produces hilsa herring fry.But, because the gonad development of Cultured Tenualosa Reevesii parent is poor, prediction is difficult to the biological effect phase of hormone, can not determine best artificial insemination time, cause spawning rate lower (﹤ 5%) and incubation rate low (﹤ 10%), be difficult to application in production.The improvement of this technology becomes the key of culturing reeves shads development.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, the present invention's first object there is provided a kind of bottom water filtering system.Second object of the present invention there is provided a kind of circulating water cultivation and to hold concurrently propagating system.3rd object of the present invention there is provided a kind of method impelling migration fishes natural propagation, namely without the need to the method for the natural spawning of hormone induction, what the artificial fecundation method mainly solving existing migration fishes, particularly Alosa sapidissima existed hasten parturition blindness and the low technical problem of artificial insemination spawning efficiency.
The present invention is under indoor greenhouse condition, adopt cycle water engineering means, with reference to the natural conditions of Alosa sapidissima anadromous migration in spring approach, set up the Ecology breeding environment being applicable to hilsa herring gonad development, make parent's sexual gland under necessary nutrition prerequisite is grown in acquisition, naturally reach maturity in physics in imitative migration path, water chemistry and the physiological factor cyclically-varying rhythm and pace of moving things, and natural spawning.
Technical scheme: in order to solve prior art Problems existing, the invention provides a kind of bottom water filtering system, comprise bottom water discharge bay, described bottom water discharge bay is connected with bottom water filtering device, described bottom water filtering device comprises the bottom water filter, bottom water delivery port and the bottom water pipe that are interconnected from top to bottom successively, it is inner that described bottom water filter and bottom water delivery port are located at bottom water discharge bay, and it is outside that described bottom water pipe exports to bottom water discharge bay by bottom water delivery port.
Further, described bottom water discharge bay is also connected with blowdown apparatus, the blow-off pipe that described blowdown apparatus comprises sewage draining exit and is connected with sewage draining exit, it is inner that described sewage draining exit is located at bottom water discharge bay, and it is outside that described blow-off pipe exports to bottom water discharge bay by sewage draining exit.Solid waste in system is discharged by blow-off pipe, can be discharged to solid waste fermentation tank, be fermented into fertilizer.
Further, this filtration system also comprises aeration ring and aerating device, and described aeration ring set is on the outer wall of bottom water filter, and described aerating device is communicated with aeration ring.Described aerating device comprises wireway and connected air pump, and described wireway is provided with valve.This aeration ring and aerating device can prevent the clogging of bottom water filter outer wall.
Further, described bottom water filter is centrum, cylinder or gengon.Filtering material can adopt stainless (steel) wire or nylon bolting silk, and mesh is 20 ~ 100 orders, along high flow surface on it, in case Chi Shui overflows.During parent fish rearing, bottom water filter can adopt stainless (steel) wire, collects the solid waste in fishpond, effectively reduces the BOD in cultivating system, purifies water; In mating season, plant fish mating at night, bottom water filter need adopt nylon yarn thin,tough silk, will be used for collecting the fertilized egg of producing in fishpond.Described bottom water filter, according to cylinder or gengon, will keep smooth bottom it, prevent fish-egg in heaps or damaged, affect incubation rate.
A kind of circulating water cultivation is held concurrently propagating system, this cultivation propagating system of holding concurrently comprises fishpond and adjacent with side, fishpond and independently described bottom water filtering system, center, described fishpond is provided with the dirty delivery port of collection, and dirty for collection delivery port is connected with bottom water filtering device by described bottom water pipe.Fishpond and cycle water parent fish rearing and spawning pond, can adopt the construction material such as cement pit, fiberglass, specification is 50 ~ 400M
2, the depth of water is 0.5 ~ 3 meter.The shape in fishpond can adopt circle, the polygon etc. such as square is convenient to center set dirt, concentrates fertilized egg.
Further, this cultivation propagating system of holding concurrently also comprises bottom water treatment system that is adjacent with side, fishpond and that be connected with bottom water filtering system, described bottom water treatment system comprises independently of one another and bottom water first treatment pond be interconnected, bottom water second treatment pond and bottom water water purifying tank successively, and described bottom water water purifying tank upper end is provided with the bottom water water purifying tank outlet connecting water pump and is communicated with fishpond.
Bottom water treatment system can process the solid waste in fishpond effectively.In bottom water treatment system, bottom water flows into bottom water discharge bay via the dirty delivery port of the collection being arranged on Guo Xing bottom centre, then, through bottom water filter filtering, supernatant water enters bottom water first treatment pond and bottom water second treatment pond, has filler (as polythene material) in water treating pond.At this, adopt traditional microorganism water treatment to purify water, remove the harmful substances such as ammonia nitrogen.Water purification afterwards enters bottom water water purifying tank, finally enters fishpond by water pump or airlift pump.
Further, this cultivation propagating system of holding concurrently also comprises the upper water treatment system adjacent with the opposite side in fishpond, described upper water treatment system comprises upper water discharge bay that is independent of one another and that be communicated with successively, upper water first treatment pond, upper water second treatment pond and upper water water purifying tank, described upper water water purifying tank and described bottom water water purifying tank diagonal angle are arranged, described upper water water purifying tank upper end is provided with the upper water water purifying tank delivery port connecting water pump, upper water water purifying tank delivery port is communicated with fishpond, described upper water discharge bay upper end is provided with upper water delivery port and is communicated with fishpond.
Upper water treatment system is mainly used to solubility refuse in process fishpond.In upper water treatment system, upper water flows into upper water discharge bay via the upper water delivery port being arranged on pool side, then, through entering upper water first treatment pond and upper water second treatment pond, has filler (as polythene material) in water treating pond.At this, microorganism water treatment purifies water, and removes the harmful substances such as ammonia nitrogen.Water purification afterwards enters upper water water purifying tank, finally enters fishpond by water pump or airlift pump.
Further, be provided with aeration tube bottom described fishpond, described aeration tube is communicated with aerating device.Described aeration tube is located at fishpond interior bottom portion one week, and aeration tube can select Aero-Tube
tMoxygen increasing tube, carries out oxygenation to fishpond.
Further, described fishpond is circular fishpond, square fillet fishpond or polygon fishpond.
Fertilized egg due to the anadromous migration such as salmon and hilsa herring fish is slow heavy property, under the water pump effect of upper water water inlet and bottom water water inlet, the Chi Shui in fishpond forms whirlpool, the dirty delivery port of collection that its fertilized egg will be deposited at the bottom of pond, flowing into bottom water discharge bay by collecting dirty delivery port, being collected in bottom water filter.In early morning every day, fertilized egg is pulled out, inserts demersal egg incubator and hatches.
Impel a method for migration fishes natural propagation, comprise the following steps:
1) the selecting of reserve parent fish; Implementing spring of artificial propagation, select individuality comparatively large, build is higher, individuality parent populations in support more than body surface flawless 2 ages in winter.
2) circulating water cultivation described in is held concurrently the foundation of propagating system; Parent fish rearing and breeding pond can be selected round pond or have the square water mud sump of fillet, and area is 50 ~ 400 square metres, and the depth of water is 0.5 ~ 3 meter.At parent fish rearing and propagating system as shown in Figure 1, be made up of three parts, i.e. fishpond, bottom water water treatment system, upper water water treatment system.
3) parent fish rearing and fortification; Throw something and feed every day 3 ~ 6 times, day feeding volume be 1 ~ 5% of body weight.The fish fish buoyancy feed (protein content is 40 ~ 44%, and fat content is 4 ~ 12%) that feed selects Shunde star feed factory to produce.Can add in parent population buoyancy feed weight ratio be 1 ~ 10% fish parent population strengthening nutritional additive powder with high make parent population fortified feed.
4) adjustment that breeding environment imitates natural season rhythmicity makes parent population natural spawning; Main conciliation temperature, day periodicity of illumination and current, to provide the Ecology environment of migration fishes.Detect every day and record water environment Main Factors diurnal and seasonal variation, comprise water temperature, dissolved oxygen and periodicity of illumination etc.The optimizing regulation of imitative natural season rhythmicity is adopted in described step 4), refer to spring by temperature, day light application time and the synergic adjustment of current, parent population sexual gland is impelled naturally to reach maturity and natural spawning, Optimized Measures wherein comprises: the strict rhythmicity controlling winter and spring, wherein, water temperature in winter is 5 ~ 18 DEG C; In spring, temperature is controlled at 10 ~ 24 DEG C, while increasing water temperature gradually, progressively extended day light application time and increase current.
Temperature: in summer, controls water temperature by refrigeration machine or well water and is no more than 36 DEG C; In the fall, temperature is controlled at 20 ~ 28 DEG C; In the winter time, control water temperature and be not less than 5 DEG C, be generally 10 ~ 18 DEG C; In spring, temperature is controlled at 10 ~ 24 DEG C.
Current: in the parent fish rearing phase, the water flow velocity of circulating water culture system is 0.04 ~ 0.2 meter per second.In spring, increase current gradually, make current reach the speed of 0.01 ~ 0.8 meter per second, preferred flow velocity is 0.2 ~ 0.6 meter per second.
Illumination: adjustment day periodicity of illumination being carried out to imitative natural seasonal oscillation, namely in summer, in autumn, in winter, adopts the natural lighting cycle.In spring, the sunshine time 10 ~ 15 hours will should be adjusted to.
We find when studying wild Alosa sapidissima natural propagation habit, the synergy of temperature, weather and current to egg laying amount and quality influence very large.When river water level improves, fine day continues many days, and when river temperature increases, wild hilsa herring starts to lay eggs, and reaches spawning peak gradually within a week.Work as Changes in weather, during especially overcast and rainy unexpected cooling, oviposition behavior stops at once.
To hold concurrently propagating system owing to adopting circulating water cultivation, we can according to wild Alosa sapidissima natural propagation habit, in spring, imitate temperature, day periodicity of illumination and the synergy of current Ovipositional Rhythm is regulated, i.e. while improving temperature gradually (10 ~ 24 DEG C), extended day light application time (10 ~ 15 hours), makes the seasonal variation that hilsa herring experiences correct gradually, add the stimulation of current, induce naturally reaching maturity and laying eggs of sexual gland.
Salinity: cultivating the most of the time can be fresh water or seawater, without the need to carrying out the salinity altercation of imitative migration ecology to salinity.But for obtaining best Breeding results, in the winter time and spring, use several times salinity to be 5 ~ 30 ‰ salt water (available sea crystal configurations), maintain 1 ~ 10 day.
Natural spawning: reach 15 DEG C in water temperature, when continuing 10 ~ 30 days, increased water flow stimulates gradually, manifests the phenomenon that male and female hilsa herring chases between the lights.In parent fish pond, while increasing temperature and extended day light application time, add the water pump of 250 ~ 1000 watts, increase current, make current reach the speed of 0.2 ~ 0.6 meter per second.During gonad maturity, hilsa herring starts natural spawning.Hilsa herring fertilized egg belongs to demersal egg, can sink gradually, flows out cultivate pond with bottom discharge mouth.
5) collection fertilized egg and fertilized egg are hatched.In early morning every day, check bottom water filter (receipts egg apparatus), if find fertilized egg, with 50 mesh sieve tulles, ovum is pulled out, and tiny excrement particles is filtered, with feather, large granular impurity is chosen.Then, by a small amount of clean water with filter repeatedly, till fertilized egg is clean, incubation vessel hatching can be moved into.
Beneficial effect: compared with prior art, the invention has the advantages that: circulating water cultivation of the present invention is held concurrently in propagating system, integrate migration fishes to grow and breed the circulating water cultivation be integrated and to hold concurrently propagating system, by two path water treatment system, keep excellent in stable cultivation water environment, thus can according to the anadromous migration fish migration variation of ecology and environment rhythm and pace of moving things and reproductive habit, effectively regulate the seasonal variation rhythm and pace of moving things and the diurnal variation rhythm and pace of moving things of migratory ecological factor, emphasize water temperature, the synergic adjustment effect of day light application time and current, its sexual gland normal synchronized is impelled to grow, physical maturity, and natural spawning, in addition, bottom water filter is connected with center set ovum district, fishpond, realizes automatically receiving ovum, in a word, to be held concurrently propagating system by circulating water cultivation, hasten parturition without the need to artificial hormone, implement natural spawning, and avoid people and arrest the injures and deaths that operation and injection of hormone cause, or the Gonad dysplasia of stress reaction initiation, thus improve spawning efficiency.
The unique advantage of native system is:
1) fishpond design is applicable to anadromous migration fish: in culturing pool, the joint act feature of anadromous migration fish be continual, turn-take travelling along pool side cluster, stress reaction is extremely strong, and movement velocity is quickly.One gets a fright, and can move about rapidly, very easily come to harm.Circular fishpond, square fillet design or polygonal design avoid surrounding to form dead angle, thus when avoiding frightened, fish runs helter-skelter to cause and hits wall risk at dead angle.
2) cultivation and breeding facility are comprehensively integrated (fishpond-whirlpool flowing water design-water treating pond-collection egg hatching device), realize sexual gland physical maturity, natural spawning, without the need to adopting artificial induced spawning measure: circulating water cultivation is held concurrently design synthesis water treatment cultural technique and the reproductive biology technical characterstic of propagating system, and applicable parent population grows up healthy and sound and reproductive habit.
3) circulating water treatment measure: adopt two path water treatment system, i.e. bottom water and upper water treatment system, Treated Base is rich in the addle of solid waste and is rich in solubility NH respectively
3waste water, keep excellent, stable cultivation water environment, parent population grown up healthy and sound growth.Recycling technology makes Ecology measure no longer by the impact of Changes in weather, and makes artificial sea water environment become possibility, namely in less water body, adds the sea crystal of 2 ~ 3%, and set up imitative briny environment, recycle, its cost lowers greatly.
4) diagonal angle intake design: form whirlpool in fishpond, is of value to their hobby behaviors against the current, increases the absorption of oxygen.Meanwhile, improve the dirty ability of collection, reduce BOD, improve water quality, can be used to induction parent population gonadal maturation mating season, and impel fertilized egg to accumulate in the dirty delivery port (Ji Luanqu) of collection of central area at the bottom of pond.
5) collect dirty delivery port (Ji Luanqu) and be connected design cleverly with bottom water filter (receipts egg apparatus), make while collection ovum, do not injure fertilized egg: namely collect dirty delivery port (Ji Luanqu) in the pot bottom type dirt colleceting area that fishpond Center is low-lying, under the water impact at two diagonal angles, form whirlpool, fertilized egg is just deposited in Ji Luanqu, and fertilized egg is just along with current enter receipts egg apparatus; Because the current entering receipts egg apparatus are from bottom to top, stir receiving the fertilized egg in egg apparatus, making fertilized egg be in suspended state all the time, prevent fertilized egg from depositing agglomerating stopping up extremely.
6) lay aeration tube in fishpond surrounding, while oxygenation, inside wall, form aerosol barrier, when prevention fish is frightened, hit wall injures and deaths; This design overcomes in conventional recycle water cultivation fish pond lays gas charging stone and affects hilsa herring and to turn-take travelling smoothness, and minimally affects fishpond whirlpool dynamic characteristic.
7) Parallel Design that combines as a whole of water treatment and fishpond, first, simplifies system architecture, reduces construction cost more than 30%; Secondly, one, each fishpond system, is convenient to Ecology technical management, also reduces the risk of cross infection disease.In addition, fishpond and water treating pond water level keep close, and water body can operate under low lift condition, has saved operating cost widely.
8) the present invention has the features such as simple, reliable, effective, no longer needs hormone to hasten parturition.By the function unified integration of cultivating and breed, realize sexual gland physical maturity, and natural spawning, avoid because injection hormone fishes for the injures and deaths and interference gonad development operating and cause.
9) to have become hilsa herring propagation technique successfully crucial in China's Industryization in the application of the inventive method, not only break away from the present situation that Alosa sapidissima cultivates long-term dependence on import fertilized egg, fill up the blank of Cultured Tenualosa Reevesii artificial propagation techniques, and can water temperature be passed through, the synergy of illumination and current, shift to an earlier date artificially or postpone egg-laying time, meeting the need of market.Such as, 2007, the method that we adopt hormone to hasten parturition, carried out artificial induced spawning and insemination to 200 tail Alosa sapidissima cultivation parents, produces 2.4 ten thousand fertilized eggs, and hatch 2200 tail newly hatched larvaes.In the present invention, we to hold concurrently the natural spawning method of propagating system by adopting circulating water cultivation, produce 430,000 fertilized eggs, cultivation hilsa herring fingerling 12.6 ten thousand tail, and have passed the provincial expert appraisal in Jiangsu Province with 68 tail parent populations.Recently, we imitate the optimizing regulation of natural season rhythmicity by breeding environment of the present invention, and we adopt 260 tail kind fishes, produce 1.89 hundred million fertilized eggs, hatch 0.926 hundred million tail newly hatched larvae, for the culturing reeves shads family in the whole nation more than 90% provides hilsa herring seed.
10) the Ecology natural propagation method in the present invention can be applicable to the high-grade breed variety that other physique are tender and lovely, stress reaction large, propagation technique difficulty is large, especially in the endangered the Changjiang river hairtail of redemption and hilsa herring gene pool, set up artificial propagation field, have very wide application prospect.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the embodiment of the present invention 4;
Fig. 2 is the structural representation of part A in Fig. 1;
Embodiment:
Embodiment 1:
As Fig. 2, a kind of bottom water filtering system, comprise bottom water discharge bay 2, described bottom water discharge bay 2 is connected with bottom water filtering device, described bottom water filtering device comprises the bottom water filter 15, bottom water delivery port 16 and the bottom water pipe 22 that are interconnected from top to bottom successively, it is inner that described bottom water filter 15 and bottom water delivery port 16 are located at bottom water discharge bay 2, and it is outside that described bottom water pipe 22 exports to bottom water discharge bay 2 by bottom water delivery port 16.Described bottom water discharge bay 2 is also connected with blowdown apparatus, the blow-off pipe 23 that described blowdown apparatus comprises sewage draining exit 17 and is connected with sewage draining exit 17, it is inner that described sewage draining exit 17 is located at bottom water discharge bay 2, and it is outside that described blow-off pipe 23 exports to bottom water discharge bay 2 by sewage draining exit 17.This filtration system also comprises aeration ring 18 and aerating device, and described aeration ring 18 is enclosed within the outer wall of bottom water filter 15, and described aerating device is communicated with aeration ring 18.Described aerating device comprises wireway and connected air pump, and described wireway is provided with valve 24.Described bottom water filter 15 is centrum.
Embodiment 2:
As Fig. 1, a kind of circulating water cultivation is held concurrently propagating system, this cultivation propagating system of holding concurrently comprises fishpond 13 and and independently bottom water filtering system adjacent with side, fishpond 13, center, described fishpond 13 is provided with the dirty delivery port 1 of collection, and the dirty delivery port 1 of described collection is connected with the bottom water filtering system described in embodiment 1 by fishpond 13 bottom water pipe 22.A kind of circulating water cultivation is held concurrently propagating system, this cultivation propagating system of holding concurrently comprises fishpond 13 and adjacent with side, fishpond 13 and independently described in embodiment 1 bottom water filtering system, center, described fishpond 13 is provided with the dirty delivery port 1 of collection, and dirty for collection delivery port 1 is connected with bottom water filtering device by described bottom water pipe 22.
This cultivation propagating system of holding concurrently also comprises bottom water treatment system that is adjacent with side, fishpond 13 and that be connected with bottom water filtering system, described bottom water treatment system comprises independently of one another and bottom water first treatment pond 3 be interconnected, bottom water second treatment pond 4 and bottom water water purifying tank 5 successively, and described bottom water water purifying tank 5 upper end is provided with the bottom water water purifying tank outlet 6 connecting water pump and is communicated with fishpond 13.Described bottom water water purifying tank 5 upper end is also connected with water source water inlet pipe 20, and this water source derives from well water, Natural Water etc.This cultivation propagating system of holding concurrently also comprises the upper water treatment system adjacent with the opposite side in fishpond 13, described upper water treatment system comprises upper water discharge bay 8 that is independent of one another and that be communicated with successively, upper water first treatment pond 9, upper water second treatment pond 10 and upper water water purifying tank 11, described upper water water purifying tank 11 is arranged with described bottom water water purifying tank 5 diagonal angle, described upper water water purifying tank 11 upper end is provided with the upper water water purifying tank delivery port 12 connecting water pump, upper water water purifying tank delivery port 12 is communicated with fishpond 13, described upper water discharge bay 8 upper end is provided with upper water delivery port 7 and is communicated with fishpond 13.Be provided with aeration tube 14 bottom described fishpond 13, described aeration tube 14 is communicated with aerating device.Described aerating device comprises conduit 19 and connected air pump, and described conduit 19 is provided with valve 21.The flow of oxygen is controlled by valve 21.Aeration tube is located at fishpond 13 interior bottom portion one week, and aeration tube can select Aero-Tube
tMoxygen increasing tube, carries out oxygenation to fishpond.Described fishpond 13 is square fillet fishpond.
Embodiment 3:
Impel a method for migration fishes natural propagation, comprise the following steps:
1) the selecting of reserve parent fish; Implementing spring of artificial propagation, select individuality comparatively large, build is higher, individuality parent populations in support more than body surface flawless 2 ages in winter.
2) circulating water cultivation described in is held concurrently the foundation of propagating system; Parent fish rearing and breeding pond can be selected round pond or have the square water mud sump of fillet, and area is 50 ~ 400 square metres, and the depth of water is 0.5 ~ 3 meter.At parent fish rearing and propagating system as shown in Figure 1, be made up of three parts, i.e. fishpond, bottom water treatment system, upper water treatment system.
3) parent fish rearing and fortification; Throw something and feed every day 3 ~ 6 times, day feeding volume be 1 ~ 5% of body weight.The fish fish buoyancy feed (protein content is 40 ~ 44%, and fat content is 4 ~ 12%) that feed selects Shunde star feed factory to produce.Add in buoyancy feed weight ratio be 1 ~ 10% fish parent population strengthening nutritional additive powder with high make parent population fortified feed.
4) adjustment that breeding environment imitates natural season rhythmicity makes parent population natural spawning; Main conciliation salinity, temperature and day periodicity of illumination, to provide the Ecology environment of migratory hilsa herring.Detect every day and record water environment Main Factors diurnal and seasonal variation, comprise water temperature, dissolved oxygen, illumination and salinity etc.
Adopt the prioritization scheme to water temperature, current, illumination, water quality, salinity in described step 4), comprehensively adjusted in concert, impel parent population sexual gland physical maturity and natural spawning.
Temperature: in summer, controls water temperature by refrigeration machine or well water and is no more than 36 DEG C; In the fall, temperature is controlled at 20 ~ 28 DEG C; In the winter time, adopt solar water heater to improve water temperature, make water temperature be not less than 5 DEG C, be generally 10 ~ 18 DEG C; In spring, temperature is controlled at 10 ~ 24 DEG C.
Current: in the parent fish rearing phase, the water flow velocity of circulating water culture system is 0.04 ~ 0.2 meter per second.In spring, increase current gradually, make current reach the speed of 0.01 ~ 0.8 meter per second, preferred flow velocity is 0.2 ~ 0.6 meter per second.
Illumination: adjustment day periodicity of illumination being carried out to imitative natural seasonal oscillation, namely in summer, autumn, winter, adopts natural lighting.; In spring, by illumination regulator, will it be 10 ~ 13 hours the sunshine time.By temperature, day light application time and the synergic adjustment of current, make the seasonal variation that hilsa herring experiences correct, to meet the required natural conditions of hilsa herring gonad development, impel naturally reaching maturity of sexual gland.
Salinity: cultivating the most of the time can be fresh water or seawater, without the need to carrying out the salinity altercation of imitative migration ecology to salinity.But for obtaining best Breeding results, in the winter time and spring, use several times salinity to be 5 ~ 30 ‰ salt water (available sea crystal configurations), maintain 1 ~ 10 day.
Natural spawning: reach 15 DEG C in water temperature, when continuing 10 ~ 30 days, increased water flow stimulates gradually, manifests the phenomenon that male and female hilsa herring chases between the lights.In parent fish pond, while increasing temperature and extended day light application time, add the water pump of 250 ~ 1000 watts, increase current, make current reach the speed of 0.2 ~ 0.6 meter per second.During gonad maturity, hilsa herring starts natural spawning.Hilsa herring fertilized egg belongs to demersal egg, can sink gradually, flows out cultivate pond with bottom discharge mouth.
5) collection fertilized egg and fertilized egg are hatched.In early morning every day, check bottom water filter (receipts egg apparatus), if find fertilized egg, with 50 mesh sieve tulles, ovum is pulled out, and tiny excrement particles is filtered, with feather, large granular impurity is chosen.Then, by a small amount of clean water with filter repeatedly, till fertilized egg is clean, incubation vessel hatching can be moved into.
Migration fishes in the present embodiment are Alosa sapidissima, the present invention adopts the method for natural spawning to greatly increase spawning efficiency: the gonadal maturation of hilsa herring completes in anadromous migration process, the ecotope complexity in its migration path is various, and the opportunity of artificial hormone operation is difficult to grasp.Natural spawning fully meets its natural propagation habit, the result of the individual natural mating of sexual gland physical maturity, thus reaches best reproductive effect.We show in up-to-date research, hold concurrently in propagating system at circulating water cultivation of the present invention, and Alosa sapidissima natural spawning rate is 86.2%, and incubation rate is 67.3%, and the parent population lethality between breeding period is 17.3%; And the method for artificial induced spawning, spawning rate is 8.5%, and incubation rate is 29.6%, and the parent population lethality between breeding period is 78.2%.It is tender and lovely that natural spawning is applicable to health, and the physiological property of edgy hilsa herring, simplifies operation sequence, the Human disturbance of minimizing, reduces cost and injures and deaths risk.Natural spawning improves the controllability in artificial propagation season: can pass through water temperature, the synergy of illumination and current, shifts to an earlier date artificially or postpones the natural spawning time.The egg-laying period of Alosa sapidissima wild stocks is generally mid-June, lasts two weeks.The research of 2013 shows, adopt control technique, the hilsa herring egg-laying period can extend to by the end of August from mid-March, reaches five first quarter moons, can meet the different demands of southern and northern peasant household.
Above-described embodiment limits the scope of the invention because being interpreted as only to be not used in for illustration of the present invention.After the content of having read the present invention's record, those skilled in the art can make various changes or modifications the present invention, and these equivalence changes and modification fall into the scope of the claims in the present invention equally.
Claims (8)
1. a bottom water filtering system, comprise bottom water discharge bay (2), it is characterized in that: described bottom water discharge bay (2) is connected with bottom water filtering device, described bottom water filtering device comprises the bottom water filter (15) be interconnected from top to bottom successively, bottom water delivery port (16) and bottom water pipe (22), it is inner that described bottom water filter (15) and bottom water delivery port (16) are located at bottom water discharge bay (2), it is outside that described bottom water pipe (22) exports to bottom water discharge bay (2) by bottom water delivery port (16), described bottom water filtering system also comprises aeration ring and aerating device, described aeration ring set is on the outer wall of bottom water filter, described aerating device is communicated with aeration ring.
2. a circulating water cultivation is held concurrently propagating system, it is characterized in that: this circulating water cultivation propagating system of holding concurrently comprises fishpond (13) and and independently according to claim 1 bottom water filtering system adjacent with fishpond (13) side, described fishpond (13) center is provided with the dirty delivery port of collection (1), and described bottom water pipe (22) will collect dirty delivery port (1) and be connected with bottom water filtering device.
3. a kind of circulating water cultivation according to claim 2 is held concurrently propagating system, it is characterized in that: this circulating water cultivation propagating system of holding concurrently also comprises bottom water treatment system that is adjacent with fishpond (13) side and that be connected with bottom water filtering system, described bottom water treatment system comprises independently of one another and bottom water first treatment pond (3) be interconnected, bottom water second treatment pond (4) and bottom water water purifying tank (5) successively, and described bottom water water purifying tank (5) upper end is provided with bottom water water purifying tank outlet (6) connecting water pump and is communicated with fishpond (13).
4. a kind of circulating water cultivation according to claim 3 is held concurrently propagating system, it is characterized in that: this circulating water cultivation propagating system of holding concurrently also comprises the upper water treatment system adjacent with the opposite side of fishpond (13), described upper water treatment system comprises upper water discharge bay (8) that is independent of one another and that be communicated with successively, upper water first treatment pond (9), upper water second treatment pond (10) and upper water water purifying tank (11), described upper water water purifying tank (11) and described bottom water water purifying tank (5) diagonal angle are arranged, described upper water water purifying tank (11) upper end is provided with the upper water water purifying tank delivery port (12) connecting water pump, upper water water purifying tank delivery port (12) is communicated with fishpond (13), described upper water discharge bay (8) upper end is provided with upper water delivery port (7) and is communicated with fishpond (13).
5. impel a method for migration fishes natural propagation, it is characterized in that, comprise the following steps:
1) the selecting of reserve parent fish;
2) circulating water cultivation described in any one of claim 2 ~ 4 is held concurrently the foundation of propagating system;
3) parent fish rearing and fortification;
4) optimizing regulation that breeding environment imitates natural season rhythmicity makes parent population natural spawning;
5) collection fertilized egg and fertilized egg are hatched.
6. a kind of method impelling migration fishes natural propagation according to claim 5, it is characterized in that, the optimizing regulation of imitative natural season rhythmicity is adopted in described step 4), refer to spring by temperature, day light application time and the synergic adjustment of current, parent population sexual gland is impelled naturally to reach maturity and natural spawning, optimizing regulation wherein comprises: the strict rhythmicity controlling winter and spring, and wherein, water temperature in winter is 5 ~ 18 DEG C; In spring, temperature is controlled at 10 ~ 24 DEG C, while increasing water temperature gradually, progressively extended day light application time and increase current.
7. a kind of method impelling migration fishes natural propagation according to claim 5, it is characterized in that, described migration fishes are Alosa sapidissima.
8. a kind of method impelling migration fishes natural propagation according to claim 6, it is characterized in that, current regulate as follows: in the parent fish rearing phase, the hold concurrently water flow velocity of propagating system of circulating water cultivation is 0.04 ~ 0.2 meter per second, in spring, increase current gradually, make current reach the speed of 0.01 ~ 0.8 meter per second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310425180.3A CN103503820B (en) | 2013-09-17 | 2013-09-17 | Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310425180.3A CN103503820B (en) | 2013-09-17 | 2013-09-17 | Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103503820A CN103503820A (en) | 2014-01-15 |
| CN103503820B true CN103503820B (en) | 2015-10-28 |
Family
ID=49887679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310425180.3A Active CN103503820B (en) | 2013-09-17 | 2013-09-17 | Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103503820B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075957A (en) * | 2015-09-29 | 2015-11-25 | 中国水产科学研究院淡水渔业研究中心 | Loach parent incubation tank system and incubation method |
| CN105831013B (en) * | 2016-03-13 | 2018-12-18 | 海南文昌利洋对虾繁育有限公司 | A kind of nanometer air charging system for brine shrimp eggs hatching |
| CN105941197A (en) * | 2016-04-22 | 2016-09-21 | 苏州依科曼生物农业科技有限公司 | Micro nutrient solution and application thereof |
| CN105941198A (en) * | 2016-04-22 | 2016-09-21 | 苏州依科曼生物农业科技有限公司 | Micro-ecological mixed preparation and application thereof |
| CN105918165B (en) * | 2016-04-22 | 2019-07-30 | 苏州鱼之源生物科技有限公司 | A kind of aquaculture wintering method of the comprehensive current water of brackish water |
| CN105850802B (en) * | 2016-04-22 | 2019-02-12 | 苏州鱼之源生物科技有限公司 | A method of improving hilsa herring mating period survival rate and growth rate |
| CN107182890B (en) * | 2017-06-24 | 2020-12-29 | 塔里木大学 | Propagation migration domestication device capable of reducing death rate of pellicular larvae of Triplophysa pyrifera by oxygenation and sand avoidance |
| EP3745851B1 (en) * | 2017-12-01 | 2022-09-14 | Benchmark Genetics Iceland hf | An aquaculture process for the production of salmon eggs |
| CN108033587A (en) * | 2018-01-25 | 2018-05-15 | 安徽省农业科学院水产研究所 | A kind of fry hatching water purification installation |
| CN109122531B (en) * | 2018-10-09 | 2023-09-15 | 洪泽鱼之源生物科技有限公司 | Method for culturing hilsa herring |
| CN109169433A (en) * | 2018-10-29 | 2019-01-11 | 福海县海龙民贸贸易发展有限公司 | Assist parent population oviposition system |
| CN109267775A (en) * | 2018-11-22 | 2019-01-25 | 王胜杭 | A kind of artificial swimming pool automatic dust absorption system |
| CN109924148B (en) * | 2019-03-19 | 2022-03-15 | 苏州鱼之源生物科技有限公司 | Method for breeding Alosa sapidissima |
| CN112753622B (en) * | 2020-12-30 | 2022-09-30 | 苏州鱼之源生物科技有限公司 | Method for high-density cultivation of high-quality seedlings of rare fishes |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875694A (en) * | 2006-07-05 | 2006-12-13 | 刘青华 | An ecological method for breeding American reeves shad |
| CN1875695A (en) * | 2006-07-05 | 2006-12-13 | 上海爱格斯生态科技有限公司 | An integrated ecological method for breeding fry of reeves shad |
| CN101103706A (en) * | 2006-07-13 | 2008-01-16 | 刘青华 | Reproduction method for American reeves shad artificial cultivation parent fish |
| CN101669452A (en) * | 2009-06-30 | 2010-03-17 | 刘青华 | Mimic ecological propagation method for breeding parent fish of American hilsa herring |
| CN101933489A (en) * | 2010-08-24 | 2011-01-05 | 刘青华 | Water circulation system and method for breeding marine fishes inland |
| CN203482762U (en) * | 2013-09-17 | 2014-03-19 | 苏州依科曼生物农业科技有限公司 | Bottom water filter system and circulating water breeding and propagating system |
-
2013
- 2013-09-17 CN CN201310425180.3A patent/CN103503820B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875694A (en) * | 2006-07-05 | 2006-12-13 | 刘青华 | An ecological method for breeding American reeves shad |
| CN1875695A (en) * | 2006-07-05 | 2006-12-13 | 上海爱格斯生态科技有限公司 | An integrated ecological method for breeding fry of reeves shad |
| CN101103706A (en) * | 2006-07-13 | 2008-01-16 | 刘青华 | Reproduction method for American reeves shad artificial cultivation parent fish |
| CN101669452A (en) * | 2009-06-30 | 2010-03-17 | 刘青华 | Mimic ecological propagation method for breeding parent fish of American hilsa herring |
| CN101933489A (en) * | 2010-08-24 | 2011-01-05 | 刘青华 | Water circulation system and method for breeding marine fishes inland |
| CN203482762U (en) * | 2013-09-17 | 2014-03-19 | 苏州依科曼生物农业科技有限公司 | Bottom water filter system and circulating water breeding and propagating system |
Non-Patent Citations (1)
| Title |
|---|
| 美国鲥鱼的生物学特性与集约化养殖管理;刘青华等;《渔业现代化》;20060220(第1期);第26-27页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103503820A (en) | 2014-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103503820B (en) | Circulating water cultivation propagating system of holding concurrently is adopted to impel the method for migration fishes natural propagation | |
| CN205596919U (en) | Gather formula inner loop equipment of breeding fish | |
| CN101715747B (en) | Method for promoting Yangtze River saury to naturally spawn | |
| CN103004666B (en) | Breeding method for intermediate breeding of Anguilla marmorata fries | |
| CN101669452A (en) | Mimic ecological propagation method for breeding parent fish of American hilsa herring | |
| CN107410140A (en) | A kind of pond ecological industrialization circulating water cultivation and cleaning system | |
| CN102742529B (en) | Indoor-outdoor multi-crops polyculture method for shrimp, soft-shelled turtle and fish | |
| CN106234270B (en) | A method of circulation flowing water fish farming system cultivates Penaeus Vannmei | |
| CN207070757U (en) | A kind of pond ecological industrialization circulating water cultivation and cleaning system | |
| CN1846480A (en) | Artificial breeding method and incubator for shatang carp | |
| CN101331860A (en) | Method and device for culturing rice field eel | |
| CN103081864B (en) | Method for turtle egg intensive cultivation in lighting greenhouse | |
| CN101103706B (en) | Reproduction method for American reeves shad artificial cultivation parent fish | |
| CN106922592A (en) | A kind of centralization type interior circulation fish-culture equipment and fish-cultivating method | |
| CN108477028A (en) | A kind of Australia dragon design spot fry factory culturing method | |
| CN102972346B (en) | Culture method based on graded stocking and cyclic utilization of soft-shelled turtles in greenhouse | |
| CN207305794U (en) | High reproductive rate crawl | |
| CN106212328A (en) | A kind of utilize temperature canopy survive the winter cultivation 2 hurried Litopenaeus vannamei method | |
| CN101664005A (en) | Industrial and artificial breeding method of Sarotherodon sp | |
| CN111771777B (en) | Method for cultivating yellow seriolala seeds by utilizing engineered pond | |
| CN203482762U (en) | Bottom water filter system and circulating water breeding and propagating system | |
| CN112154965A (en) | Comprehensive intensive culture facility for freshwater rocky subtropical zone | |
| CN110741982B (en) | Mandarin fish circulating water aquaculture method | |
| CN209105958U (en) | The cultivation equipment of Australia freshwater lobster | |
| CN1174674C (en) | Large brill natural spawning 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160524 Address after: Suzhou City, Jiangsu province 215138 Yangchenghu town Xiangcheng national modern agriculture demonstration garden Patentee after: SUZHOU FISHSEEDS BIOLOGICAL TECHNOLOGY CO., LTD. Address before: Suzhou City, Jiangsu province 215138 Yangchenghu town Xiangcheng national modern agriculture demonstration garden Patentee before: SUZHOU YIKEMAN BIOLOGICAL AGRICULTURE TECHNOLOGY CO., LTD. |