CN110074020B - Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes - Google Patents
Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes Download PDFInfo
- Publication number
- CN110074020B CN110074020B CN201910370205.1A CN201910370205A CN110074020B CN 110074020 B CN110074020 B CN 110074020B CN 201910370205 A CN201910370205 A CN 201910370205A CN 110074020 B CN110074020 B CN 110074020B
- Authority
- CN
- China
- Prior art keywords
- water
- net
- coilia ectenes
- releasing
- pond
- 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
- 241001460967 Coilia nasus Species 0.000 title claims abstract description 128
- 230000003578 releasing effect Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000009395 breeding Methods 0.000 title claims abstract description 27
- 230000001488 breeding effect Effects 0.000 title claims abstract description 27
- 230000002062 proliferating effect Effects 0.000 title abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 26
- 230000035755 proliferation Effects 0.000 claims abstract description 12
- 238000012546 transfer Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 220
- 241000251468 Actinopterygii Species 0.000 claims description 55
- 235000019688 fish Nutrition 0.000 claims description 40
- 239000004800 polyvinyl chloride Substances 0.000 claims description 12
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 12
- 238000012258 culturing Methods 0.000 claims description 10
- 239000008239 natural water Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 208000035473 Communicable disease Diseases 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005587 bubbling Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000003640 drug residue Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000002071 nanotube Substances 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000384 rearing effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009182 swimming Effects 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 11
- 206010022998 Irritability Diseases 0.000 abstract description 2
- 241001454694 Clupeiformes Species 0.000 description 10
- 235000019513 anchovy Nutrition 0.000 description 8
- 238000011160 research Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001617 migratory effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000252203 Clupea harengus Species 0.000 description 1
- 241000825055 Coilia Species 0.000 description 1
- 241001596950 Larimichthys crocea Species 0.000 description 1
- 241001282110 Pagrus major Species 0.000 description 1
- 241000700608 Sagitta Species 0.000 description 1
- 241001125843 Trichiuridae Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material 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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates toThe field of resource protection proliferation and releasing, in particular to a method for proliferating and releasing large-size coilia ectenes cultured in a pool, which is characterized by comprising 7 steps of releasing space-time requirement, net pulling exercise, pond net pulling transfer, cement pool temporary culture, loading and getting on a vehicle, on-vehicle transportation and wharf releasing culture. The technical scheme for breeding large-specification coilia ectenes in the pond solves the problems of strong irritability and low transportation survival rate of large-specification coilia ectenes (9-12cm) in the pond, and keeps higher transportation density (280-2) And the transportation survival rate (90%), and the method is simple, convenient and easy to learn, easy to popularize and suitable for large-scale transportation, proliferation and release.
Description
Technical Field
The invention relates to the technical field of resource protection proliferation and releasing, in particular to a method for proliferating and releasing large-size coilia ectenes in a pool.
Background
Coilia ectenes (Coilia ectenes) belongs to the order herring, anchovy, genus anchovy, commonly known as Coilia, hairtail, bearded fish, anchovy, etc. The fish is mainly distributed in yellow Bohai sea and east sea in China, can be seen in rivers of Tonghai such as Liaohe river, sea river, yellow river, Yangtze river and Qiantangjiang river, is famous and famous for tender meat quality and delicious taste, and is a famous and precious migratory fish enjoying one of the reputations of three delicacies of Yangtze river. In recent years, due to the influence of a plurality of factors such as over fishing, deterioration of ecological environment and the like, the coilia ectenes resource is rapidly declined, the market demand is increased, even the coilia ectenes are in a difficult situation of no market, and the market price of coilia ectenes with three or two specifications is as high as 7000 yuan/Kg before and after 2017 times of clarification. At present, some domestic scientific research institutions and production units have solved the full artificial breeding of the Yangtze river coilia ectenes, and particularly, the indoor cement pond intensive breeding of the Yangtze river coilia ectenes is broken through by the aquatic product institute in Shanghai in 2011, the large-scale production of the fish species is realized in 2013, and the effective supply of the Yangtze river coilia ectenes fish species is realized. In order to make up and recover the natural resource of the Yangtze river coilia ectenes which is the rare migratory fish, the breeding and releasing activities of the Yangtze river coilia ectenes are successively developed by fishery departments in various regions of the Yangtze river from 2013. However, the technical scheme about the proliferation and releasing of Yangtze river coilia ectenes is not reported, and although the country has the proliferation and releasing technical scheme of related fishes (such as large yellow croakers, red sea breams and the like), the Yangtze river coilia ectenes has very strong particularity: the artificial operation has strong stress, the fish body is long and has poor natural stress resistance, and the fish seeds are easy to damage and die due to improper operation, thereby causing resource waste. Therefore, a set of technical scheme for the proliferation and releasing of the Yangtze river coilia ectenes is urgently needed to standardize and improve the survival rate of the proliferation and releasing of the coilia ectenes, and the method has great significance for saving the Yangtze river coilia ectenes, a rare species and fishery resource protection.
At present, some technologies and patents related to transporting coilia ectenes juvenile fish solve the problems that wild fish species are caught from the natural ecological environment and temporarily cultured and transported to a farm: 1) the Chinese patent document CN102907353A discloses a method for transporting coilia ectenes fingerlings, which comprises the steps of carrying out natural fingerlings or artificial breeding fingerlings of coilia ectenes, adding salt, carrying out non-aeration, carrying out long-distance transportation at low temperature (15-22 ℃) in a low-density water tank, wherein the transportation density is about 1.5g/L, the weight of the fingerlings of 8-15 cm is about 5-8g, and the conversion is 200-3The transportation density is extremely low, and the transportation is not suitable for large-scale transportation; 2) the temporarily-culturing transportation technology for the coilia ectenes fingerlings disclosed in the Chinese patent document CN101263795A is to temporarily culture the wild coilia ectenes fingerlings and transport the wild coilia ectenes fingerlings with salt in bags (below 35 tails/bag and 5kg of water/bag), wherein the transportation time is less than 3 hours, the transportation quantity is small (about 1000 and 3000 tails) each time, the operation is complicated, and the technology is not suitable for mass transportation; related coilia ectenes fingerling transportation technical patents of aquatic product research institute in Shanghai city exist, but most of coilia ectenes fingerlings bred in the room are in general specification of 2-5cm, coilia ectenes fingerlings bred in the room cement pond have relatively good irritability, small specification and relatively simple transportation, and the specifications are as follows: the Chinese patent document CN103027002A discloses a transfer technology of summer fingerlings bred indoors by Yangtze river coilia ectenes, which comprises the steps of indoor fingerling breeding, short-distance transportation (30-40 minutes) of a water bucket (28L, 2/3 part from water to the bucket, and 200 tails/bucket) and long-distance transportation (within 5 hours) of an oxygen bag (50 tails/bag, and 5L water/bag).
But the technical scheme that large-size coilia ectenes fingerlings (9-12cm) suitable for pond culture are transported to the field natural ecological environment from a pond net for proliferation and releasing does not exist, and meanwhile, the large-size coilia ectenes fingerlings cultured in the pond have particularity, and compared with the fingerlings just bred in a cement pond, the coilia ectenes fingerlings are relatively impatient in sexual conditions and relatively difficult to transport and operate; but compared with wild fish species, the wild fish species has mild temperament, and can be suitable for high-density transportation after being treated by a certain technology.
Disclosure of Invention
The invention aims to solve the problem of net hauling transportation of large-size coilia ectenes cultured in a pond (9-12cm) from the pond to the wild natural ecological environment, provides a technical scheme for the proliferation and the releasing of the coilia ectenes in Yangtze river, and lays a foundation for protecting and recovering the natural resources of the coilia ectenes in Yangtze river.
The invention provides a method for breeding large-size coilia ectenes in a pool, which comprises 7 steps of breeding space-time requirement, net pulling exercise, net pulling transfer of the pool, temporary breeding of a cement pool, loading and loading, transportation on a vehicle and breeding in a wharf, and specifically comprises the following steps:
A) release space-time requirements: in order to avoid the death of the coilia ectenes in transportation caused by high water temperature and ensure certain activity of the coilia ectenes at proper water temperature, the coilia ectenes can freely swim into the sea after being released, the proliferation and release time of the coilia ectenes in Yangtze river is selected to be 10-11 months, the release position is selected to be in a water area near the Yangtze river mouth and the Hangzhou bay, and the environmental salinity and the temperature of the released water area are 8-15 ℃ and 18-20 ℃; in order to ensure that the coilia ectenes have certain predation, enemy avoidance and anti-adversity capability in the released water area, the coilia ectenes release the fish species in Yangtze river standard: the specification total length is 9-12cm, the weight is 2-3g, and no drug residue and infectious diseases are detected; the releasing date generally selects the period of the big tide and the time period of the high tide level of the tidal water of the day, so that the coilia ectenes can migrate into the sea along with the tidal water;
B) and (3) pulling the net to exercise: after the specific date of releasing is determined, in order to reduce the stress of manual operation of the coilia ectenes fingerlings, the coilia ectenes fingerlings are made to adapt to a small water body during transportation, the net pulling and the survival rate of the fingerlings are improved, 1 week before releasing is performed, the polyethylene skin strip net with meshes of 2 x 3mm is required to be pulled and exercised for 2-3 times, the coilia ectenes fingerlings are caught by pulling the net, the two sides of the skin strip net are slowly drawn in to form a net enclosure after the coilia ectenes fingerlings are slowly pulled to one side of a pond during net pulling, the fingerlings are concentrated in the net enclosure, the fingerlings are made to adapt to a small moving space for 5-10 minutes, then the net enclosure is released, the fingerlings can freely swim out of the net enclosure, and are exercised for 1-2 times continuously, and the fingerlings can adapt to net pulling operation. Sampling when pulling the net for exercise, and measuring the number, the body length, the weight and the like of fish seeds in the pond;
C) and (3) hauling a net to transport in the pond: 1 day before releasing, transferring coilia ectenes fingerlings into a temporary culture pond by drawing a net in the pond, wherein the mesh of the net is the same as that of the net drawing exercise, the net drawing of the pond is generally performed by drawing a half pond first, then the net drawing of the whole pond is performed, and then the net drawing operation is repeated for 3 times in the whole pond; the method comprises the following steps that the confinement time of the coilia ectenes fish species in a net enclosure cannot be too long, and the coilia ectenes fish species can be stressed and even descaled to die due to the confinement of the net enclosure for a long time, so that the confinement time of the coilia ectenes fish species net enclosure does not exceed 60 minutes, and in the transfer process, the net enclosure is immediately released after the confinement time, the coilia ectenes fish species naturally swim into a pond, and then the transfer operation is carried out after the net is pulled again; the coilia ectenes fingerlings confined in the net enclosure are scooped into a bucket with water by a water ladle or a water basin, the bucket is a plastic barrel, the diameter and the height of the bucket are 32cm and 35cm, the capacity of the bucket is 28 liters, the water content in the bucket is 15 liters when the coilia ectenes fingerlings are transported, namely 1/2 positions of the bucket are reached, the quantity of the loaded coilia ectenes fingerlings in each bucket is controlled within the range of 70-100, the coilia ectenes fingerlings are transported to an indoor temporary culture pond in a shading mode, and the transportation time is 15-20 minutes; when the fish enters the pond, the plastic barrel is inclined, the pond water returns into the barrel, the plastic barrel is filled, the fish seeds slowly swim into the temporary rearing pond after adapting to the pond water for 2-3 minutes, and manual counting is carried out during the swimming process of the fish seeds;
D) temporarily culturing in a cement pond: in order to reduce turbidity of a transport water body and spoiled water quality caused by excretion discharged by the coilia ectenes fingerlings and mucus secreted by the body surfaces in the transportation process, the coilia ectenes fingerlings need to be temporarily cultured in a cement pond before being released; temporarily breeding and selecting indoor cement pond with area of 20-30m2The water depth is 1.5m, the pool wall and the pool bottom are coated with blue paint, so that the coilia ectenes can be prevented from being injured when being wiped on the wall; the pool is provided with air stones with the density of 0.5/m for continuous aeration and oxygenation2The air flow is slightly wavy, and the temporary culture density of the coilia ectenes fingerlings is 200-2The temporary culture time is 18-24 hours, the water temperature is 20-22 ℃, the salt is gradually increased and the temperature is reduced, the water changing and adding way is adopted,3 times of salt raising and temperature reduction are carried out, wherein the salt raising amplitude is 2-3, the temperature reduction amplitude is 1 ℃, finally, the salinity is 8, and the water temperature is 18-19 ℃; feeding no bait during temporary culture, sucking bottom for 1 time, and timely removing dead fish and garbage;
E) loading and getting on the vehicle: before pulling the net, firstly, dirt is sucked and the bottom is cleaned, dead fish are removed, and then the water level in the pool is reduced to the position of 30-40cm deep by using a filter screen siphon water pumping mode; pulling the net by using a leather strip net with meshes of 2 x 3mm to stick the bottom and the wall of the pool, pulling half of the net, namely pulling half of the area, then pulling the whole net, gathering the pulled net to form a net enclosure, scooping the net with water by using a water bucket with the volume of 10 liters, transporting the water to a transportation water tank at the position of 2/3-4/5 of the water level in the bucket, wherein each bucket contains 400 fishes with the number of 300 fishes, and each cement pool needs to be pulled for 3-4 times; the whole net pulling and loading time cannot exceed 45 minutes;
F) and (3) transportation on the vehicle: the transportation water tank adopts a round-corner square water tank or a round water tank as the transportation water tank, and the bottom area of the water tank is 0.8-1.2m2The height is 1m, the periphery outside the water tank and the bottom of the water tank are made into a steel pipe outer frame by using 6-minute tap water pipes to be used as a hanging basket, so that a crane can conveniently hoist the water tank, the pipes on the outer frame are spaced by 20cm, and four corners of an upper opening of the frame are made into inverted V-shaped steel bars with the diameter of 16mm and are welded to the upper opening of the outer frame for a crane grapple; a square or round stainless steel inflatable fixing frame is arranged at the bottom of the inner tank of the water tank, the inflatable fixing frame is tightly attached to the edge of the water tank, a cross-shaped bracket is arranged in the inflatable fixing frame and used for fixing an annular nano inflation tube, the distance between the nano inflation tube and the periphery of the water tank is 15-20cm, and a 2.5-inch drain valve is arranged at the bottom of the water tank; the water level of the transport water tank is kept at 60-70cm, the oxygen cylinder is filled with pure oxygen nanotubes, in order to ensure the high saturated dissolved oxygen concentration of the water in the transport water tank and not to cause the impact and stress reaction enhancement to the coilia ectenes due to too large air filling amount, the air amount is subject to dispersion bubbling and microwave formation, the oxygen filling amount is more than 1.0 pound per water tank per hour, and the transport density is 2800 and 4000 tails/m2The periphery and the upper part of the transport vehicle are shaded by double-layer 90% shading films, the water temperature is kept at 18-20 ℃, the salinity is kept at 8-10, and the vehicle-mounted transport time is controlled within 1.2 hours; the survival rate of transportation is more than 90 percent;
G) stocking in wharfs: the environment requirements of Yangtze river coilia ectenes in the water area of the discharge wharf are as follows: after the tidal transport vehicle arrives at a seaside fishing boat wharf, in order to avoid that the flow velocity of water flow discharged from the transport water tank by the coilia ectenes is too fast and the impact force is too strong, the test result requires that the difference between the water outlet of the transport water tank and the water surface of the natural water area is not more than 3 meters, if the difference between the water outlet and the water surface of the natural water area is more than 3 meters, the coilia ectenes are transited by using a fishing boat, and the water tank is hoisted to a boat gunwale by using a crane; if the drop is less than 3 meters, the water tank is directly hung to the wharf side, after the water temperature and the salinity are monitored, the salinity of the water area is required to be 8-15 and the temperature is 18-20 ℃, a drain valve of the water tank is opened, a 4-inch PVC (polyvinyl chloride) guide pipe is used for guiding the water with the fish to the water, so that the mechanical damage of the fish body caused by the too strong punching pressure of the coilia ectenes when the coilia ectenes are placed in the natural water area is avoided, and after a plurality of tests, the distance between the guide pipe and the water surface is required to be not more than 10 cm.
Compared with the existing transportation technology of the coilia ectenes fingerlings, the invention has the outstanding characteristics that:
the invention creates a technical scheme for breeding and releasing large-size coilia ectenes in the pond, which comprises the technologies of releasing space-time requirement, net pulling exercise, pond net pulling transfer, cement pond temporary culture, loading and unloading, transportation on a vehicle, wharf releasing culture and the like, solves the problems of strong stress of large-size coilia ectenes (9-12cm) and low transportation survival rate of large-size coilia ectenes in the pond, and keeps higher transportation density (2800 plus 4000 fish seeds/m)2) And the transportation survival rate (90%), and the method is simple, convenient and easy to learn, easy to popularize and suitable for large-scale transportation, proliferation and release.
Detailed Description
The following examples are provided to illustrate specific embodiments of the present invention.
Example 1:
the invention discloses a method for breeding large-size coilia ectenes in a pool, which consists of 7 steps of breeding space-time requirement, net pulling exercise, pool net pulling transfer, cement pool temporary breeding, loading and getting on a vehicle, transporting on the vehicle and breeding in a wharf, and specifically comprises the following steps:
1) release space-time requirements: the breeding and releasing time of the Yangtze river coilia ectenes is selected from 10 middle ten days to 11 middle months, the releasing position is selected from the water areas adjacent to the Yangtze river mouth and the Hangzhou bay, the environmental salinity of the releasing water areas is 8-15, and the temperature is 18-20 ℃; the standard of releasing the coilia ectenes from Yangtze river is as follows: the specification total length is 9-12cm, the weight is 2-3g, and no drug residue and infectious diseases are detected; the releasing date generally selects the period of the big tide and the time period of the high tide level of the tidal water of the day, so that the coilia ectenes can migrate into the sea along with the tidal water;
2) and (3) pulling the net to exercise: after the specific date of releasing is determined, 1 week before releasing, the polyethylene skin strip net with the mesh of 2 multiplied by 3mm is required to be pulled to train for 2-3 times, the coilia ectenes fingerlings are caught by pulling, when the net is pulled to one side of the pond slowly, the two sides of the skin strip net are slowly furled to form a net enclosure, the fingerlings are concentrated in the net enclosure and are adapted for 5-10 minutes in a small movement space, then the net enclosure is released, the fingerlings can freely swim out of the net enclosure, and the fish species are trained for 1-2 times continuously in this way and are adapted to the net pulling operation. Sampling when pulling the net for exercise, and measuring the number, the body length, the weight and the like of fish seeds in the pond;
3) and (3) hauling a net to transport in the pond: 1 day before releasing, transferring coilia ectenes fingerlings into a temporary culture pond by drawing a net in the pond, wherein the net drawing is performed on the same net drawing, the pond is generally drawn half a pond first, then the whole pond is drawn, and then the whole pond is drawn repeatedly for 3 times; the confining time of the coilia ectenes fingerlings in the net enclosure cannot exceed 60 minutes, and in the transferring process, the net enclosure is immediately opened after the confining time exceeds the time, so that the coilia ectenes fingerlings naturally swim into the pond, and then the coilia ectenes fingerlings are transferred after being pulled out of the net again; the coilia ectenes fingerlings confined in the net enclosure are scooped into a bucket with water by a water ladle or a water basin, the bucket is a plastic barrel, the diameter and the height of the bucket are 32cm and 35cm, the capacity of the bucket is 28 liters, the water content in the bucket is 15 liters when the coilia ectenes fingerlings are transported, namely 1/2 positions of the bucket are reached, the quantity of the loaded coilia ectenes fingerlings in each bucket is controlled within the range of 70-100, the coilia ectenes fingerlings are transported to an indoor temporary culture pond in a shading mode, and the transportation time is 15-20 minutes; when the fish enters the pond, the plastic barrel is inclined, the pond water returns into the barrel, the plastic barrel is filled, the fish seeds slowly swim into the temporary rearing pond after adapting to the pond water for 2-3 minutes, and manual counting is carried out during the swimming process of the fish seeds;
4) temporarily culturing in a cement pond: temporarily breeding and selecting indoor cement pond with area of 20-30m2The water depth is 1.5m, the pool wall and the pool bottom are coated with blue paint, so that the coilia ectenes can be prevented from being injured when being wiped on the wall; the pool is provided with air stones with the density of 0.5/m for continuous aeration and oxygenation2The gas amount is microwaveThe temporary culture density of the coilia ectenes fingerlings is 200-2The temporary culture time is 18-24 hours, the water temperature is 20-22 ℃, salt is gradually increased and cooled, the water is changed and added, the salt is increased and cooled for 3 times, the salt increasing range is 2-3 and the cooling range is 1 ℃ each time, and finally the salinity is 8 and the water temperature is 18-19 ℃; feeding no bait during temporary culture, sucking bottom for 1 time, and timely removing dead fish and garbage;
5) loading and getting on the vehicle: before pulling the net, firstly, dirt is sucked and the bottom is cleaned, dead fish are removed, and then the water level in the pool is reduced to the position of 30-40cm deep by using a filter screen siphon water pumping mode; pulling the net by using a leather strip net with meshes of 2 x 3mm to stick the bottom and the wall of the pool, pulling half of the net, namely pulling half of the area, then pulling the whole net, gathering the pulled net to form a net enclosure, scooping the net with water by using a water bucket with the volume of 10 liters, transporting the water level 2/3-4/5 in each bucket into a transportation water tank, wherein each cement pool needs to pull the net 3-4 times; the whole net pulling and loading time cannot exceed 45 minutes;
6) and (3) transportation on the vehicle: the transportation water tank adopts a round-corner square water tank or a round water tank as the transportation water tank, and the bottom area of the water tank is 0.8-1.2m2The height is 1m, the periphery outside the water tank and the bottom of the water tank are made into a steel pipe outer frame by using 6-minute tap water pipes to be used as a hanging basket, so that a crane can conveniently hoist the water tank, the pipes on the outer frame are spaced by 20cm, and four corners of an upper opening of the frame are made into inverted V-shaped steel bars with the diameter of 16mm and are welded to the upper opening of the outer frame for a crane grapple; a square or round stainless steel inflatable fixing frame is arranged at the bottom of the inner tank of the water tank, the inflatable fixing frame is tightly attached to the edge of the water tank, a cross-shaped bracket is arranged in the inflatable fixing frame and used for fixing an annular nano inflation tube, the distance between the nano inflation tube and the periphery of the water tank is 15-20cm, and a 2.5-inch drain valve is arranged at the bottom of the water tank; the water level of the transportation water tank is kept at 60-70cm, the oxygen cylinder pure oxygen nanotube is inflated, the air flow is subject to dispersion bubbling and microwave non-formation, the oxygen inflation amount is more than 1.0 pound per water tank per hour, and the transportation density is 2800-2The periphery and the upper part of the transport vehicle are shaded by double-layer 90% shading films, the water temperature is kept at 18-20 ℃, the salinity is kept at 8-10, and the vehicle-mounted transport time is controlled within 1.2 hours; the survival rate of transportation is more than 90 percent;
7) stocking in wharfs: the environment requirements of Yangtze river coilia ectenes in the water area of the discharge wharf are as follows: after the tidal transport vehicle arrives at a seaside fishing boat wharf, if the difference between the water outlet of the transport water tank and the water surface of the natural water area is more than 3 meters, the transport water tank is transited by a fishing boat, and the water tank is hoisted to a ship side by a crane; if the drop is less than 3m, the water tank is directly hung to the wharf side, after the water temperature and salinity are monitored, the salinity of the water area is required to be 8-15 and the temperature is required to be 18-20 ℃, a drain valve of the water tank is opened, a 4-inch PVC (polyvinyl chloride) guide pipe is used for guiding the water together with the fish tape water into the water, and the distance between the guide pipe and the water surface is not more than 10 cm.
Example 2:
the method of the invention is adopted by an aquatic product research institute in Shanghai city of 11/6/2015 to release 4.5 thousands of coilia ectenes fingerlings, and good effects are obtained: 11 months and 5 days, the aquatic research institute of Shanghai city is in the sagitta base, about 4.8 thousands of coilia ectenes fingerlings are put into 6 cement ponds of a No. 2 shed by a pond net, the specifications of the coilia ectenes fingerlings of Yangtze river are 10.26-11.38cm in total length, 9.06-10.07cm in body length, 2.16-3.12g in weight and 18m in the cement pond3The water tanks are directly hung to the wharf by the water outlet of the transportation water tank and the water surface of a natural water area with the difference of less than 3 meters due to high tide level, the water tank drain valve is opened after the water temperature and salinity are monitored, the water is guided into the water by using a 4-inch PVC (polyvinyl chloride) guide pipe and the water with the fish tape, the distance between the guide pipe and the water surface is not more than 10cm, the anchovy fries are freely moved and dispersed after entering the water, enter the sea along with the tide, and the releasing effect is good.
Example 3:
2 thousands of coilia ectenes fingerlings are released by the method of the invention in 2016, 11 and 18 days, and good effects are obtained: 11 and 17 days, the Shanghai city aquatic research institute is in a worthy base, about 2 thousands of coilia ectenes fingerlings are put into 4 cement ponds of a No. 2 shed by a pond net, the water temperature of an outer pond is 20-21 ℃, the specifications of the coilia ectenes fingerlings in Yangtze river are 9.6cm in body length, 2.48g in weight and 18m in the cement pond3Temporarily culturing about 5000 tails in each pond, temporarily culturing for one day, the next day, 18 days in 11 months, pulling net and loading on vehicles, loading 2500 tails in each water tank, transporting water at 20 ℃, transporting water from 9-10 am to the wharf of a fishing boat in Luchao harbor, wherein the survival rate of transportation is more than 90%, the current tide level is lower, and transporting water to the wharf of the fishing boat in Luchao harborThe fall between the water outlet of the water conveying tank and the water surface of the natural water area is more than 3 meters, the water conveying tank is transited by a fishing boat, and the water conveying tank is hoisted to the side of the boat by a crane; the water tank drain valve is opened, the water is guided into the water by the 4-inch PVC guide pipe together with the fish tape water, the distance between the guide pipe and the water surface is not more than 10cm, the anchovy releasing seeds freely move and disperse after entering the water, and the anchovy releasing seeds move back to the sea along with the tide, so that the releasing effect is good.
Example 4:
in 2017, 1.5 thousands of coilia ectenes fingerlings of Yangtze river are released by the method of the invention in aquatic product research institute in Shanghai city of 11 months and 8 days, and good effects are obtained: 11 months and 7 days, 1.6 million fish species of coilia ectenes are fed into 4 cement ponds of a No. 7 shed by a pond net in Shanghai city aquatic research institute, the water temperature of an outer pond is 18-20 ℃, the specification of the coilia ectenes species of Yangtze river is 10.2cm in total length, the weight is 1.95g, and the cement pond is 20m3The method comprises the following steps of temporarily culturing about 5000 fish in each pond, after one day of temporary culture, the next day, 11 months and 8 days, pulling a net for loading, loading 2500 fish in each water tank, conveying water to the wharf of a fishing boat at a temperature of 16-19 ℃, 9-10 am, wherein the conveying survival rate is over 90 percent, the tide level is higher, the water tank is directly hung to the wharf by a water outlet of the conveying water tank and the water surface of a natural water area with the fall of less than 3m, after monitoring the water temperature and salinity, a water discharge valve of the water tank is opened, the water is guided into water by a 4-inch PVC (polyvinyl chloride) guide pipe together with fish-carrying water, the water-separation surface of the guide pipe is not more than 10cm, after the anchovy species are discharged into the water, the anchovy species freely disperse, move back to the sea along with the tide, and the discharge effect is better.
Example 5:
in 2018, 10 and 18 days, 1.5 thousands of coilia ectenes fingerlings are released by the method of the invention, and good effects are obtained: 10 months and 17 days, the Shanghai city aquatic research institute is in a worthy base, about 1.6 thousands of coilia ectenes fingerlings are put into 4 cement ponds of a No. 7 shed by a pond net, the water temperature of an outer pond is 21-22 ℃, the specifications of the coilia ectenes fingerlings in Yangtze river are 9.9cm in body length, 2.86g in weight and 20m in the cement pond3Temporarily culturing about 4000 tails in each pond, temporarily culturing for one day, then culturing for the next day, taking 10 months for 18 days, pulling a net and loading, loading 4000 tails in each water tank, transporting water at 18-20 ℃, transporting water to a wharf of a fishing boat at three hong Kong at 9-10 am, wherein the survival rate of transportation is more than 90 percent, the current tide level is lower, the difference between the water outlet of the transportation water tank and the water surface of a natural water area is more than 3 meters,the water tank is hoisted to the side of the ship by a crane after the transition by a fishing boat; the water tank drain valve is opened, the water is guided into the water by the 4-inch PVC guide pipe together with the fish tape water, the distance between the guide pipe and the water surface is not more than 10cm, the anchovy releasing seeds freely move and disperse after entering the water, and the anchovy releasing seeds move back to the sea along with the tide, so that the releasing effect is good.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit of the invention, and the scope of the appended claims is to be accorded the full range of equivalents.
Claims (4)
1. The method for breeding large-size coilia ectenes in the pool to proliferate and release the coilia ectenes is characterized by comprising 7 steps of releasing space-time requirement, net pulling exercise, pond net pulling transfer, cement pool temporary breeding, loading and loading, on-vehicle transportation and wharf releasing breeding, and comprises the following steps:
A) release space-time requirements: the breeding and releasing time of the Yangtze river coilia ectenes is selected to be 10-11 months, the releasing position is selected to be in a water area adjacent to the mouth of the Yangtze river and the Hangzhou bay, the environmental salinity of the releasing water area is 8-15 ℃, and the temperature is 18-20 ℃; the standard of releasing the coilia ectenes from Yangtze river is as follows: the total length is 9-12cm, the weight is 2-3g, and no drug residue and infectious diseases are detected; selecting a high tide period and a high tide level time period of the current tide water on the release date;
B) and (3) pulling the net to exercise: after the specific date of releasing is determined, 1 week before releasing, a polyethylene leather strip net with meshes of 2 x 3mm needs to be used for pulling and exercising for 2-3 times;
C) and (3) hauling a net to transport in the pond: 1 day before releasing, transferring the released fingerlings of the Yangtze river coilia ectenes into a temporary culture pond by drawing a net of the pond, wherein the mesh of the net is the same as that of the net drawing exercise, drawing the half pond by drawing the net of the pond, and then repeating the net drawing operation for 3 times; the confining time of the Yangtze river coilia ectenes releasing the fish species in the net enclosure cannot exceed 60 minutes, and in the transferring process, the net enclosure is immediately released after the confining time is exceeded, so that the Yangtze river coilia ectenes releasing the fish species naturally swim into the pond, and then the transferring operation is carried out after the net is pulled again; scooping the released fingerlings of the Yangtze river coilia ectenes confined in the net enclosure into a bucket with water by using a water ladle or a water basin, wherein the bucket is a plastic barrel, the diameter and the height of the bucket are 32cm and 35cm, the capacity of the bucket is 28 liters, the water content in the bucket is 15 liters during fish transportation, the quantity of the released fingerlings of the Yangtze river coilia ectenes shipped in each bucket is controlled within the range of 70-100, and the Yangtze river coilia ectenes are shielded and transported to an indoor temporary culture pond for 15-20 minutes; when the coilia ectenes enter the pool, the plastic drum is inclined, the pool water returns to the plastic drum, the plastic drum is filled, and the coilia ectenes slowly swim into the temporary rearing pool after the coilia ectenes flow to adapt to the pool water for 2-3 minutes;
D) temporarily culturing in a cement pond: temporarily breeding and selecting indoor cement pond with area of 20-30m2The water depth is 1.5m, the pool wall and the pool bottom are coated with blue paint, so that the Yangtze river coilia ectenes are prevented from being scratched by the released fish seeds to be injured; the pool is provided with air stones with the density of 0.5/m for continuous aeration and oxygenation2The air flow is microwave-shaped, the temporary breeding density of the Yangtze river coilia ectenes released fish is 200-2The temporary culture time is 18-24 hours, the water temperature is 20-22 ℃, the salt is gradually increased and the temperature is reduced, and finally the salinity is 8 and the water temperature is 18-19 ℃; feeding no bait during temporary culture, sucking bottom for 1 time, and timely removing dead fish and garbage;
E) loading and getting on the vehicle: before pulling the net, firstly, dirt is sucked and the bottom is cleaned, dead fish are removed, and then the water level in the pool is reduced to the position of 30-40cm deep by using a filter screen siphon water pumping mode; pulling the net by using a leather strip net with meshes of 2 x 3mm to stick the bottom and the wall of the pool, pulling half of the net, namely pulling half of the area, then pulling the whole net, drawing the net to form a net enclosure, scooping the net with water by using a water bucket with the volume of 10 liters, carrying 400 fishes of Yangtze river coilia ectenes in the number of released fish seeds at 2/3-4/5 parts of the water level in the bucket, transferring the fishes into a transportation water tank, and pulling the net for 3-4 times in each cement pool; the whole net pulling and loading time cannot exceed 45 minutes;
F) and (3) transportation on the vehicle: the transportation water tank adopts a round-corner square water tank or a round water tank as the transportation water tank, and the bottom area of the transportation water tank is 0.8-1.2m2Height 1 m; the inner box bottom of the transport water tank is provided with a square or round stainless steel inflatable fixing frame, the inflatable fixing frame is tightly attached to the edge of the transport water tank, a cross-shaped support is arranged in the inflatable fixing frame and used for fixing an annular nano inflation tube, the distance between the annular nano inflation tube and the periphery of the transport water tank is 15-20cm, and the bottom of the transport water tank is provided with a 2.5-inch drain valve(ii) a The water level of the transportation water tank is kept at 60-70cm, the oxygen cylinder pure oxygen nanotube is inflated, the air flow is subject to dispersion bubbling and microwave non-formation, the oxygen inflation amount is more than 1.0 pound per transportation water tank per hour, and the transportation density is 2800 and 4000 tails/m2The periphery and the upper part of the transport vehicle are shaded by double-layer 90% shading films, the water temperature is kept at 18-20 ℃, the salinity is kept at 8-10, and the vehicle-mounted transport time is controlled within 1.2 hours;
G) stocking in wharfs: the environment requirements of Yangtze river coilia ectenes in the water area of the discharge wharf are as follows: after the transport vehicle arrives at a seaside fishing boat wharf, the difference between the water outlet of the transport water tank and the water surface of the natural water area is not more than 3 meters, if the difference between the water outlet and the water surface of the natural water area is more than 3 meters, the transport water tank is transferred by the fishing boat and hoisted to the ship side by a crane; if the drop is less than 3m, the transport water tank is directly hung to the wharf side, after the water temperature and salinity are monitored, the salinity of the water area is required to be 8-15 and the temperature is required to be 18-20 ℃, a drain valve of the transport water tank is opened, a 4-inch PVC (polyvinyl chloride) guide pipe is used for guiding the water together with the fish carrying water into the water, and the distance between the guide pipe and the water surface is not more than 10 cm.
2. The method for the large-size coilia ectenes cultured in the pool to proliferate and release the coilia ectenes according to claim 1, wherein the method for the netting exercise in the step B comprises the following steps: the method comprises the steps of fishing the Yangtze river coilia ectenes released fish species by using a net, slowly drawing the net to one side of a pond during net drawing, slowly drawing the two sides of a leather strip net to form a net enclosure, concentrating the released fish species of the Yangtze river coilia ectenes into the net enclosure, enabling the released fish species of the Yangtze river coilia ectenes to adapt to a small activity space for 5-10 minutes, then releasing one net enclosure, freely swimming the released fish species of the Yangtze river coilia ectenes out of the net enclosure, continuously exercising for 1-2 times, and enabling the released fish species of the Yangtze river coilia ectenes to adapt to net drawing operation.
3. The method for the large-size fish species proliferation and releasing of the pool-cultured coilia ectenes according to claim 1, wherein the method for gradually increasing and reducing the salt and the temperature in the step D is to adopt a water adding mode and respectively increase the salt and reduce the temperature for 3 times, wherein the salt increasing range is 2-3 and the temperature reducing range is 1 degree each time.
4. The method for breeding large-size coilia ectenes according to claim 1, wherein 6 minutes of tap water is used for the periphery and the bottom of the transport water tank in the step F to form a steel pipe outer frame as a hanging basket, so that a crane can hang the transport water tank, the intervals between the pipes on the steel pipe outer frame are 20cm, and the four corners of the upper opening of the steel pipe outer frame are welded to the upper opening of the steel pipe outer frame in an inverted V shape by reinforcing steel bars with the diameter of 16mm and are used for crane grappling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370205.1A CN110074020B (en) | 2019-05-06 | 2019-05-06 | Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370205.1A CN110074020B (en) | 2019-05-06 | 2019-05-06 | Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110074020A CN110074020A (en) | 2019-08-02 |
| CN110074020B true CN110074020B (en) | 2021-09-10 |
Family
ID=67418536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370205.1A Active CN110074020B (en) | 2019-05-06 | 2019-05-06 | Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110074020B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112005935A (en) * | 2020-09-03 | 2020-12-01 | 广州海尊电子科技有限公司 | Transfer method for improving survival rate of commercial fish during re-cultivation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263795A (en) * | 2008-04-28 | 2008-09-17 | 钱晓明 | Saury seedling seed fishing, temporary rearing and transporting technique |
| CN103960172A (en) * | 2013-01-29 | 2014-08-06 | 上海市水产研究所 | Technology for cultivating Yangtze River coiliaectenes fingerlings of same year in brackish water pond |
| CN105393958A (en) * | 2015-11-17 | 2016-03-16 | 上海市水产研究所 | Current year fish fingerling indoor cement pool high density aquaculture method for bigmouth grenadier anchovy artificial breeding |
| CN106688975A (en) * | 2016-12-07 | 2017-05-24 | 上海市水产研究所 | Short-distance transferring method of one-year-old large Alosa sapidissima fingerlings |
| CN107047388A (en) * | 2017-05-03 | 2017-08-18 | 上海市水产研究所 | The micro- oxygenation long-distance transport method of knife long-tailed anchovy seed that a kind of interior is bred |
-
2019
- 2019-05-06 CN CN201910370205.1A patent/CN110074020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263795A (en) * | 2008-04-28 | 2008-09-17 | 钱晓明 | Saury seedling seed fishing, temporary rearing and transporting technique |
| CN103960172A (en) * | 2013-01-29 | 2014-08-06 | 上海市水产研究所 | Technology for cultivating Yangtze River coiliaectenes fingerlings of same year in brackish water pond |
| CN105393958A (en) * | 2015-11-17 | 2016-03-16 | 上海市水产研究所 | Current year fish fingerling indoor cement pool high density aquaculture method for bigmouth grenadier anchovy artificial breeding |
| CN106688975A (en) * | 2016-12-07 | 2017-05-24 | 上海市水产研究所 | Short-distance transferring method of one-year-old large Alosa sapidissima fingerlings |
| CN107047388A (en) * | 2017-05-03 | 2017-08-18 | 上海市水产研究所 | The micro- oxygenation long-distance transport method of knife long-tailed anchovy seed that a kind of interior is bred |
Non-Patent Citations (1)
| Title |
|---|
| 上海10万尾全人工繁育刀鲚苗种回归长江;宋迁红;《科学养鱼》;20141010(第10期);第48页第1段 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110074020A (en) | 2019-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106417130B (en) | A kind of marine crustacean cultivation steel construction net cage and Three-dimensional cultivating system | |
| CN109329152B (en) | Large-area water area purse net culture submerged net trapping platform | |
| CN103027002B (en) | Transfer technique of indoor bred Yangtze River Coilia ectenes summer fingerling | |
| CN106069925B (en) | Establishing method of aquafarm ball float type enclosure facility | |
| CN206314415U (en) | A kind of far-reaching sea it is horizontal can snorkeling single-column shape combat typhoon net cage system | |
| CN109329153B (en) | High-efficient trapping system of two systems of catching of large tracts of land waters purse seine breed | |
| CN103355228B (en) | Sturgeon deep water net cage culture device | |
| CN101720694A (en) | Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages | |
| CN102293168B (en) | Single-floating-pipe submersible intensive choice rare seafood cultivation device | |
| CN206227372U (en) | A kind of marine crustacean cultivates steel construction net cage and Three-dimensional cultivating system | |
| CN107047388B (en) | Micro-oxygenation long-distance transportation method for coilia ectenes fries bred indoors | |
| CN110074020B (en) | Method for breeding large-size coilia ectenes in pool, proliferating and releasing large-size coilia ectenes | |
| CN107094681A (en) | A kind of current -resistance submerged cage | |
| CN203136791U (en) | Land-based water-permeable culture device | |
| CN210808820U (en) | Fish gathering type aquaculture fish reef | |
| CN116138193A (en) | Ecological cage culture method | |
| CN113179983B (en) | Marine net cage prawn breeding system | |
| CN202773737U (en) | Grouper pond culture harvest device | |
| CN113632758B (en) | Buoyancy-regulated lifting type cultivation caisson and operation method thereof | |
| CN212982589U (en) | Portable biological algae device that falls | |
| CN208446377U (en) | Anti- ocean current deep-sea culture net cage | |
| CN211241327U (en) | Fish, shrimp and crab pond culture system | |
| CN210226604U (en) | Fishing cage | |
| CN113854215A (en) | Aquaculture net cage | |
| CN109197723B (en) | Traction type layered artificial flexible floating fish reef |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |