CN110178765B - Canal-imitating spotted silver carp breeding method - Google Patents
Canal-imitating spotted silver carp breeding method Download PDFInfo
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- CN110178765B CN110178765B CN201910612318.8A CN201910612318A CN110178765B CN 110178765 B CN110178765 B CN 110178765B CN 201910612318 A CN201910612318 A CN 201910612318A CN 110178765 B CN110178765 B CN 110178765B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a canal-imitating spotted silver carp culture method, which belongs to the technical field of aquaculture and comprises the steps of pond construction, fry stocking, feed feeding, daily management, disease control and the like, wherein when the pond is constructed, the pond is built on the edge of a river channel, the pond is respectively and correspondingly communicated with the upstream and the downstream of the river channel through a water inlet channel and a water outlet channel, and river water is introduced into the pond for culturing fish; a water filter is arranged on the water inlet channel, and a water purification device is arranged on the water discharge channel; the water purification device comprises a purification tank, wherein the interior of the purification tank, which is movably connected with the outer sleeve plate in a pulling mode, is divided into a liquid level balance cavity and a water treatment cavity, an overflow port is formed in the inner partition plate, and a lifting assembly is arranged on one side of the inner partition plate. The invention can directly provide a good growth environment for fish, has low culture cost, can avoid polluting river water, and is convenient to regulate and control the liquid level of the water body in the fishpond.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a canal-imitating spotted silver carp culture method.
Background
Silver carp and spotted silver carp belong to the cypriniformes and the cyprinidae, and are one of four famous fishes, and the silver carp is one of freshwater fishes with the largest culture quantity and yield in China. The habit of silver carp includes: chubs are typical filter feeding fishes, mainly eat zooplankton in the fry stage, and gradually change to eating phytoplankton when the chubs grow to more than 1.5 cm; the soybean milk, bean dregs powder, bran, rice bran and the like are also eaten, and the artificial micro-particle compound feed is preferred to be eaten. The appetite is in direct proportion to the water temperature, the chub likes high temperature, and the optimum water temperature is 23-32 ℃. The chub belongs to the middle-upper layer fish, and most of the time lies in the middle-upper layer of the water area for foraging in spring, summer and autumn, and the chub submerges into deep water for overwintering in winter. Silver carps are impatient, jumping well and have a retrograde up habit. The growth is fast, the diseases are few, the yield is high, and the grass carp and the carp are cultured in a mixed mode. The hypoxia tolerance is extremely poor, hypoxia in water immediately floats, and some patients die quickly.
At present, most of the existing silver carp culture places are in dead water ponds, and the nutrient substances and dissolved oxygen in water are less, so that artificial supplement is needed, and the culture cost is better; the quality of the water body is poor, rapid propagation of algae is easily caused in the water body, the quality of the water body is further deteriorated, the water body cannot be directly provided for a good growth environment of the silver carps, the water body in the fishpond needs to be replaced frequently, and the replacement operation is troublesome; and the regulation and control of the liquid level of the water body in the fishpond are inconvenient.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide a canal-imitating spotted silver carp culture method, which can be directly provided for a good growth environment of fishes, is low in culture cost, can avoid river water pollution, and is convenient for regulating and controlling the liquid level of a water body in a fishpond.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a canal-imitating spotted silver carp breeding method comprises the following steps:
s1, constructing a fishpond: selecting a pollution-free area on the river area edge of the nature, digging a pit to build a fishpond, planning a water inlet channel for communicating the fishpond with the upstream of the river channel and a water drainage channel for communicating the fishpond with the downstream of the river channel, and excavating the water inlet channel and the water drainage channel to form after a water blocking plate is arranged at one end of the water inlet channel communicated with the river channel, wherein the bottom of the water inlet channel is lower than the water surface of the upstream of the river channel, and the bottom of the water drainage channel is higher than the water surface of the downstream of the river channel; then quicklime is used for sterilizing the fishpond, the water inlet channel and the water drainage channel, and the fishpond, the water inlet channel and the water drainage channel are dried for half a month after sterilization; the switch gate and the water filter are arranged on the water inlet channel, the switch gate and the water purification device are arranged on the water discharge channel, then the water blocking plate can be taken away, the river water is introduced into the fishpond, and finally the guardrail nets are arranged on the periphery of the fishpond, the water inlet channel and the water discharge channel, and the opening and closing door is arranged on the guardrail net on one side of the fishpond;
s2: fry stocking: controlling the water temperature of the pond at 23-32 ℃ when the pond temperature is 4-5 months, wherein the putting specifications of the silver carp and the spotted silver carp are both 100-200 g/square meter, and the putting density is both 1-3 pieces/square meter; before stocking, putting the silver carp fries into 3% saline water for soaking for 7-9 minutes, and then putting the silver carp fries into a pond;
s3: feeding the feed: respectively feeding the feed at 7-8 am and 5-6 pm, wherein the feeding amount of the feed fed each time is 2.5-3% of the total weight of the fish body;
s4: daily management: cleaning sundries intercepted by the water filter regularly; controlling the water level of the fishpond to be kept at 180-200 cm; starting the machine every day to increase oxygen for 2-3 hours; monitoring and recording the water quality of the fish pond and the growth condition of the fish every day, and timely treating the fish pond in case of abnormality;
s5: disease prevention and treatment: 0.4ppm of crystal dipterex is used for splashing and preventing parasites in the whole pool, and 15ppm of quicklime is used for splashing and preventing bacterial diseases in the whole pool every 20-30 days for 4-10 months.
Specifically, the structure of the water purification device in step S1 includes a purification tank, an outer sleeve plate vertically arranged and connected between two opposite side inner walls of the purification tank is fixed at the bottom inside the purification tank, the section of the outer sleeve plate is U-shaped, a slot longitudinally arranged is arranged at the inner side of the outer sleeve plate, an inner partition plate attached to the two opposite side inner walls corresponding to the purification tank is slidably arranged in the slot, an overflow port is arranged at a position on the inner partition plate where the height is greater than the height of the outer sleeve plate, and a lifting assembly is fixedly connected to the upper end of the inner partition plate; the part of the purification tank below the overflow port is divided into a liquid level balance cavity and a water treatment cavity by an outer sleeve plate and an inner partition plate, the water drainage channel comprises a channel front section communicated with the fishpond and the liquid level balance cavity and a channel rear section communicated with the water treatment cavity and the downstream of a river channel, a switch gate on the water drainage channel is arranged on the channel rear section, the inner bottom of the purification tank is aligned with the middle of the fishpond, the channel rear section is communicated with the bottom of one side of the water treatment cavity, a fence is arranged at one end of the channel front section communicated with the fishpond, the channel rear section is communicated with the bottom of one side of the water treatment cavity, a carrier basket attached to the side wall of the purification tank at the channel rear section is arranged at the bottom of the water treatment cavity, through holes are distributed on the periphery of the carrier basket, and activated carbon is filled in the carrier basket.
Furthermore, the lifting component of the water purification device comprises a screw shaft vertically arranged on one side of the middle part of the inner partition plate in the length direction and a sliding block sleeved on the screw shaft and fixed at the upper end of the inner partition plate, a support plate fixedly connected to the inner wall of the purification tank is arranged at the lower end of the screw shaft, the lower end of the screw shaft is connected to the support plate through a bearing, an outer shaft sleeve is sleeved at the upper end of the screw shaft in a clearance type, a threaded hole penetrating through the inner surface and the outer surface of the outer shaft sleeve is formed in one side of the outer shaft sleeve, a locking bolt is connected to the threaded hole in a threaded manner, guide rods vertically extending downwards and connected to the support plate are fixed on two sides of the outer shaft sleeve, two through holes for the two guide rods to penetrate through are formed in the sliding block, and the upper end of the screw shaft extends to the upper part of the outer shaft sleeve and is connected with a rotating handle. The rotary handle can directly drive the screw shaft to rotate, the sliding block can move up and down along the screw shaft and the guide rod, the inner partition plate can be driven to move up and down, and after the inner partition plate moves to the indicated height, the rotary handle is stopped and the locking bolt is screwed, so that the height of the inner partition plate can be adjusted, and the operation is simple.
Furthermore, the front section of the channel of the drainage channel is gradually higher from the end connected with the fish pond to the end connected with the purification pond, and the front section of the channel is communicated with the middle lower part of the fish pond and the middle part of the purification pond. The inclined design of the front section of the channel can greatly reduce the possibility that sundries enter the clean water tank; the chubs are active on the middle upper layer of the water body, the front section of the channel is connected to the middle lower part of the fish pond, and the possibility that the chubs enter the drainage channel can be reduced; the front section of the channel is connected with the middle part of the purification tank, so that sediment deposited in the liquid level balance cavity can be prevented from being stirred into the water body.
Furthermore, a straight rod extending vertically and upwards is fixed in the middle of the inner bottom surface of the carrier basket of the water purification device, and a transverse handle is fixed at the upper end of the straight rod. The carrier basket can be conveniently taken and placed through the straight rod, and the straight rod can be conveniently taken by the handle.
Further, according to the water purification apparatus, it is necessary to periodically regenerate or replace the activated carbon in the carrier basket during the daily management in step S4. Thus ensuring the adsorption capacity of the activated carbon to the impurities in the drainage water of the fishpond.
Further, in step S1, the water filter is a V-shaped filter screen, two ends of the filter screen are respectively fixed to two sides of a position where the water inlet channel communicates with the upstream of the river, and the middle of the filter screen is located in the upstream of the river. The filter screen that sets up like this can push debris to the both ends side of filter screen when using to can avoid debris to block up the filter screen, with the guarantee river water passes the filter screen and gets into the water channel.
Further, the height of the guardrail net in the step S1 is 1-2 m. Can effectively prevent silver carps from jumping over the guardrail net.
3. Advantageous effects
(1) According to the invention, the fish pond is built beside the river channel, and the fish pond is respectively and correspondingly communicated with the upstream of the river channel and the downstream of the river channel through the water inlet channel and the water discharge channel, and the river water is introduced into the fish pond for fish culture, so that on one hand, zooplankton and phytoplankton in the river water enter the fish pond along with the river water and can be fed by chubs, thereby reducing the feeding amount of feed and further reducing the culture cost; on the other hand, the water body in the fish pond is in a flowing state all the time, so that the improvement of the water body quality in the fish pond is facilitated, the dissolved oxygen in the water body is ensured to be more, and the rapid propagation of algae can be prevented, so that the water body quality is further ensured, a better growth environment can be directly provided for the silver carp, the water does not need to be changed periodically, even if the water needs to be changed, the water changing can be realized only by adjusting the water flow of the water inlet channel and the water discharge channel, and the operation is simpler.
(2) The water filter is arranged on the water inlet channel, so that large-volume impurities can be prevented from entering the fishpond, and the quality of the water body in the fishpond can be guaranteed; the water purification device is arranged on the drainage channel, so that the water body discharged from the fishpond is purified and then discharged into a river channel, river water pollution can be avoided, and the water purification device meets the requirements of environmental protection.
(3) The water purification device comprises a purification tank, wherein an outer sleeve plate and an inner partition of the purification tank are divided into a liquid level balance cavity and a water treatment cavity, an overflow port is formed in an inner partition plate, when the water purification device is applied, water enters the liquid level balance cavity through the front section of a channel, the liquid level in the liquid level balance cavity is always equal to the liquid level in a fish pond, when the liquid level reaches the overflow port, the water enters the water treatment cavity through the overflow port along with the continuous inflow of river water, then enters a carrier basket, impurities are removed through activated carbon adsorption, and then the water is discharged into a river channel from the rear section of the channel, so that the river water can be prevented from being polluted; at this point, the level of the liquid in the pond is maintained at the level of the overflow. One side of the inner partition plate is provided with a lifting component, and the inner partition plate can be driven to move up and down through the lifting component, so that the height of the overflow port can be adjusted, the height of the liquid level in the fishpond can be adjusted, and the operation is simple and convenient.
In conclusion, the invention can directly provide a good growth environment for fish, has low culture cost, can avoid polluting river water, and is convenient to regulate and control the liquid level of the water body in the fishpond.
Drawings
Fig. 1 is a schematic diagram of the structure between a fish pond 10 and its associated structures;
FIG. 2 is a schematic diagram of the structure of water purification apparatus 70;
fig. 3 is an enlarged schematic structural view of the lifting assembly 5;
fig. 4 is an enlarged view of the structure of the lock bolt 57;
fig. 5 is an enlarged schematic view of the structure of the water filter 60.
Reference numerals: 1. a purification tank; 2. an outer race plate; 3. an inner partition plate; 4. an overflow port; 5. a lifting assembly; 51. a screw shaft; 52. a slider; 53. a support plate; 54. a bearing; 55. an outer sleeve; 56. a threaded hole; 57. locking the bolt; 58. a guide bar; 59. rotating the handle; 10. a fish pond; 11. a liquid level balancing chamber; 12. a water treatment chamber; 13. a fence; 14. a carrier basket; 15. a straight rod; 16. a handle; 20. a river channel; 30. a water inlet channel; 40. a drainage channel; 41. a channel front section; 42. a channel back section; 50. switching on and off; 60. a water filter; 70. a water purification device; 80. a guardrail net.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A canal-imitating spotted silver carp breeding method comprises the following steps:
s1, constructing a fishpond: as shown in fig. 1, a pollution-free area is selected on the edge of a river area in the nature, a pit is dug to build a fishpond 10, then a water inlet channel 30 for communicating the fishpond 10 with the upstream of a river channel 20 and a water drainage channel 40 for communicating the fishpond 10 with the downstream of the river channel 20 are planned, after a water blocking plate is arranged at one end of the water inlet channel 30 communicated with the river channel 20, the water inlet channel 30 and the water drainage channel 40 are excavated to be formed, the bottom of the water inlet channel 30 is lower than the water surface at the upstream of the river channel 20, and the bottom of the water drainage channel 40 is higher than the water surface at the downstream of the river channel 20; then quicklime is used for sterilizing the fishpond 10, the water inlet channel 30 and the water drainage channel 40, and the fishpond is dried for half a month after sterilization; the switch gate 50 and the water filter 60 are arranged on the water inlet channel 30, the switch gate 50 and the water purifying device 70 are arranged on the water discharge channel 40, then the water blocking plate can be taken away, the river water is introduced into the fishpond 10, and finally the guardrail nets 80 are arranged on the peripheries of the fishpond 10, the water inlet channel 30 and the water discharge channel 40, and the opening and closing door is arranged on the guardrail net 80 on one side of the fishpond 10;
s2: fry stocking: in 4 ten days in the middle of the month, controlling the water temperature of the pond at 32 ℃, wherein the putting specifications of the silver carps and the spotted silver carps are both 100-180 g/fish, and the putting density is both 1 fish/square meter; before stocking, putting the silver carp fries into 3 percent saline water for soaking for 7 minutes, and then putting the silver carp fries into a pond;
s3: feeding the feed: respectively feeding the feed at 7-8 am and 5-6 pm, wherein the feeding amount of the feed fed each time is 2.5% of the total weight of the fish body;
s4: daily management: periodically cleaning impurities intercepted by the water filter 60; controlling the water level of the fishpond 10 to be kept at 180 cm; starting the machine every day to increase oxygen for 2 hours; monitoring and recording the water quality of the fish pond 10 and the growth condition of the fish every day, and timely treating the abnormal condition;
s5: disease prevention and treatment: 0.4ppm crystal dipterex is used for splashing and preventing parasites in the whole pool, and 15ppm quicklime is used for splashing and preventing bacterial diseases every 30 days for 4-10 months.
As shown in fig. 2, the structure of the water purification apparatus 70 in step S1 includes a purification tank 1, an outer casing plate 2 vertically disposed and connected between two opposite side inner walls of the purification tank 1 is fixed at the bottom of the purification tank 1, the section of the outer casing plate 2 is U-shaped, a slot longitudinally disposed is formed in the inner side of the outer casing plate 2, an inner partition plate 3 attached to the two corresponding opposite side inner walls of the purification tank 1 is slidably disposed in the slot, an overflow port 4 is formed in a position on the inner partition plate 3 higher than the height of the outer casing plate 2, and a lifting assembly 5 is fixedly connected to the upper end of the inner partition plate 3; the part of the purification pool 1 below the overflow port 4 is divided into a liquid level balance cavity 11 and a water treatment cavity 12 by an outer sleeve plate 2 and an inner baffle plate 3, the drainage channel 40 comprises a channel front section 41 for communicating the fishpond 10 with the liquid level balance cavity 11 and a channel rear section 42 for communicating the water treatment cavity 12 with the downstream of the river channel 20, a switch gate 50 on the drainage channel 40 is arranged on the channel rear section 42, the inner bottom of the purification pool 1 is aligned with the middle of the fishpond 10, the channel rear section 42 is communicated with one side bottom of the water treatment cavity 12, one end of the channel front section 41 communicated with the fishpond 10 is provided with a fence 13 (capable of preventing silver carps from entering the drainage channel 40), the channel rear section 42 is communicated with one side bottom of the water treatment cavity 12, one carrier basket 14 attached to the side wall of the purification pool 1 where the channel rear section 42 is arranged at the bottom in the water treatment cavity 12, the carrier basket 14 is provided with through holes (convenient for water entering the carrier basket 14 to contact with activated carbon), the carrier basket 14 is filled with activated carbon.
In this embodiment, as shown in fig. 3, the lifting assembly 5 of the water purification apparatus 70 comprises a screw shaft 51 vertically arranged on one side of the middle part of the inner partition plate 3 in the length direction, a slide block 52 sleeved on the screw shaft 51 and fixed on the upper end of the inner partition plate 3, the lower end of the screw shaft 51 is provided with a support plate 53 fixedly connected to the inner wall of the purification tank 1, the lower end of the screw shaft 51 is connected to the support plate 53 through a bearing 54, the upper end of the screw shaft 51 is provided with an outer sleeve 55 in a clearance type, as shown in fig. 4, one side of the outer sleeve 55 is opened with a screw hole 56 penetrating through the inner and outer surfaces thereof, a locking bolt 57 is screwed in the threaded hole 56, guide rods 58 extending vertically downwards and connected to the support plate 53 are fixed on both sides of the outer sleeve 55, the slider 52 is provided with two through holes for two guide rods 58 to pass through respectively, and the upper end of the screw shaft 51 extends to the upper part of the outer shaft sleeve 55 and is connected with a rotating handle 59. The rotating handle 59 can directly drive the screw shaft 51 to rotate, so that the sliding block 52 can move up and down along the screw shaft 51 and the guide rod 58, the inner partition plate 3 can be driven to move up and down, after the inner partition plate 3 moves to the indicated height, the rotating handle 59 stops rotating, and the locking bolt 57 is screwed, so that the height of the inner partition plate 3 can be adjusted, and the operation is simple.
In this embodiment, as shown in fig. 2, the channel front section 41 of the drainage channel 40 is gradually higher from the end connected with the fish pond 10 to the end connected with the purification tank 1, and the channel front section 41 is communicated with the middle lower part of the fish pond 10 and the middle part of the purification tank 1. The inclined design of the front section 41 of the channel can greatly reduce the possibility that sundries enter the clean water tank; the chubs are active in the middle upper layer of the water body, and the front section 41 of the channel is connected to the middle lower part of the fish pond 10, so that the possibility that the chubs enter the drainage channel 40 can be reduced; the front section 41 of the channel is connected with the middle part of the purification pool 1, so that the sediment deposited in the liquid level balance cavity 11 can be prevented from being stirred into the water body.
In this embodiment, as shown in fig. 2, a straight bar 15 extending vertically and upwardly is fixed to the middle of the inner bottom surface of the carrier basket 14 of the water purification apparatus 70, and a handle 16 is fixed to the upper end of the straight bar 15 in a horizontal position. The carrier basket 14 can be conveniently taken and placed through the straight rod 15, and the handle 16 can facilitate taking of the straight rod 15.
In the present embodiment, the activated carbon in the carrier basket 14 is also periodically regenerated or replaced during the daily management in step S4 by the water purification apparatus 70. Thus ensuring the adsorption capacity of the activated carbon to the impurities in the drainage water of the fishpond 10.
In this embodiment, as shown in fig. 5, in step S1, the water filter 60 is a V-shaped filter screen, two ends of the filter screen are respectively fixed to two sides of a position where the water inlet channel 30 communicates with the upstream of the river channel 20, and a middle of the filter screen is located in the upstream of the river channel 20. The filter screen that sets up like this can push debris to the both ends side of filter screen when using to can avoid debris to block up the filter screen, with the guarantee river water passes the filter screen and gets into water channel 30.
In this embodiment, the height of the barrier net 80 in step S1 is 1 meter. Can effectively prevent silver carps from jumping over the guardrail net 80.
The specific operation principle of the water purification device 70 is as follows:
in the process of introducing river water into the fish pond 10, along with the gradual rising of the liquid level of the water in the fish pond 10, the water enters the drainage channel 40 and gradually rises along the front section 41 of the channel, then enters the liquid level balance cavity 11 of the purification tank 1, the liquid level in the liquid level balance cavity 11 is equal to the liquid level in the fish pond 10, when the liquid level reaches the overflow port 4, along with the continuous inflow of the river water, the water enters the water treatment cavity 12 through the overflow port 4, then enters the carrier basket 14, and is adsorbed and purified by active carbon, and then is discharged into the river channel 20 from the rear section 42 of the channel, so that the pollution to the river water can be avoided; at this point, the level of the liquid in the fish pond 10 is maintained at the level of the overflow 4. The inner partition plate 3 can be driven to move up and down through the lifting component 5, so that the height of the overflow port 4 can be adjusted, namely the height of the liquid level in the fishpond 10 can be adjusted, and the operation is simple and convenient.
Example 2
The difference between the breeding of the spotted silver carp imitating the canal and the embodiment 1 is as follows:
when fry are released for breeding in step S2, controlling the pond water temperature at 23 ℃ in the last ten days of May, wherein the release specification of silver carps and spotted silver carps is 120-200 g/square meter, the release density of the silver carps is 3 per square meter, and the release density of the silver carps is 2 per square meter; before stocking, putting the silver carp fries into 3 percent saline water for soaking for 9 minutes, and then putting the silver carp fries into a pond;
when the feed is fed in the step S3, the feed is respectively fed at 7-8 am and 5-6 pm, and the feeding amount of the feed fed each time is 2.8% of the total weight of the fish body;
in the case of the daily management in step S4, the impurities intercepted by the water filter 60 are periodically cleaned; controlling the water level of the fishpond 10 to be kept at 200 cm; starting the machine every day to increase oxygen for 2.5 hours; monitoring and recording the water quality of the fish pond 10 and the growth condition of the fish every day, and timely treating the abnormal condition;
in the disease prevention and treatment in the step S5, 0.4ppm crystal dipterex is splashed in the whole pool for parasite prevention, and 15ppm quicklime is splashed in the whole pool every 25 days for 4-10 months to prevent bacterial diseases.
In this embodiment, the height of the barrier net 80 in step S1 is 1.5 m.
The rest is the same as example 1.
Example 3
The difference between the breeding of the spotted silver carp imitating the canal and the embodiment 1 is as follows:
when fry are released for breeding in step S2, controlling the temperature of the pond at 28 ℃ in late April, wherein the release specifications of silver carps and spotted silver carps are 120-180 g/tail, and the release density is 3 pieces/square meter; before stocking, putting the silver carp fries into 3 percent saline water for soaking for 8 minutes, and then putting the silver carp fries into a pond;
when the feed is fed in the step S3, the feed is respectively fed at 7-8 am and 5-6 pm, and the feeding amount of the feed fed each time is 3% of the total weight of the fish body;
in the case of the daily management in step S4, the impurities intercepted by the water filter 60 are periodically cleaned; controlling the water level of the fishpond 10 to be kept at 190 cm; starting the machine to increase oxygen for 3 hours every day; monitoring and recording the water quality of the fish pond 10 and the growth condition of the fish every day, and timely treating the abnormal condition;
in the disease prevention and treatment in the step S5, 0.4ppm crystal dipterex is splashed in the whole pool for parasite prevention, and 15ppm quicklime is splashed in the whole pool every 20 days for 4-10 months to prevent bacterial diseases.
In this embodiment, the height of the barrier net 80 in step S1 is 2 meters.
The rest is the same as example 1.
According to the invention, the fish pond can directly provide a good growth environment for the fish, the culture cost is low, river water pollution can be avoided, and the regulation and control of the liquid level of the water body in the fish pond are convenient.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. A canal-imitating spotted silver carp breeding method is characterized by comprising the following steps:
s1, constructing a fishpond: selecting a pollution-free area on the river side of the natural world, digging a pit to build a fishpond (10), planning a water inlet channel (30) for communicating the fishpond (10) with the upstream of a river (20) and a water drainage channel (40) for communicating the fishpond (10) with the downstream of the river (20), after a water blocking plate is arranged at one end of the water inlet channel (30) communicated with the river (20), excavating the water inlet channel (30) and the water drainage channel (40) to form, wherein the bottom of the water inlet channel (30) is lower than the water surface of the upstream of the river (20), and the bottom of the water drainage channel (40) is higher than the water surface of the downstream of the river (20); then quicklime is used for sterilizing the fishpond (10), the water inlet channel (30) and the drainage channel (40), and the fishpond is dried for half a month after sterilization; the switch gate (50) and the water filter (60) are arranged on the water inlet channel (30), the switch gate (50) and the water purification device (70) are arranged on the water discharge channel (40), then the water blocking plate can be taken away, the river water is introduced into the fishpond (10), and finally the guardrail nets (80) are arranged on the peripheral sides of the fishpond (10), the water inlet channel (30) and the water discharge channel (40), and the opening and closing doors are arranged on the guardrail nets (80) on one side of the fishpond (10);
s2: fry stocking: controlling the water temperature of the pond at 23-32 ℃ when the pond temperature is 4-5 months, wherein the putting specifications of the silver carp and the spotted silver carp are both 100-200 g/square meter, and the putting density is both 1-3 pieces/square meter; before stocking, putting the silver carp fries into 3% saline water for soaking for 7-9 minutes, and then putting the silver carp fries into a pond;
s3: feeding the feed: respectively feeding the feed at 7-8 am and 5-6 pm, wherein the feeding amount of the feed fed each time is 2.5-3% of the total weight of the fish body;
s4: daily management: periodically cleaning sundries intercepted by the water filter (60); controlling the water level of the fishpond (10) to be kept at 180-200 cm; starting the machine every day to increase oxygen for 2-3 hours; monitoring and recording the water quality of the fish pond (10) and the growth condition of the fish every day, and timely treating the abnormal condition;
s5: disease prevention and treatment: using 0.4ppm crystal trichlorfon to sprinkle the whole pool for preventing parasites, and adopting 15ppm quicklime to sprinkle the whole pool every 20-30 days for 4-10 months so as to prevent bacterial diseases;
the structure of the water purification device (70) in the step S1 comprises a purification tank (1), wherein an outer sleeve plate (2) which is vertically arranged and connected between two opposite side inner walls of the purification tank (1) is fixed at the bottom in the purification tank (1), the section of the outer sleeve plate (2) is U-shaped, a slot which is longitudinally arranged is formed in the inner side of the outer sleeve plate, an inner partition plate (3) which is attached to the two corresponding opposite side inner walls of the purification tank (1) is arranged in the slot in a sliding mode, an overflow port (4) is formed in the position, with the height being larger than that of the outer sleeve plate (2), of the inner partition plate (3), and a lifting assembly (5) is fixedly connected to the upper end of the inner partition plate (3); the part of the purification tank (1) below the overflow port (4) is divided into a liquid level balance cavity (11) and a water treatment cavity (12) by an outer sleeve plate (2) and an inner baffle plate (3), the drainage channel (40) comprises a channel front section (41) communicated with the fishpond (10) and the liquid level balance cavity (11) and a channel rear section (42) communicated with the downstream of the river channel (20), a switch gate (50) on the drainage channel (40) is arranged on the channel rear section (42), the inner bottom of the purification tank (1) is aligned with the middle part of the fishpond (10), the channel rear section (42) is communicated with the bottom of one side of the water treatment cavity (12), one end of the channel front section (41) communicated with the fishpond (10) is provided with a fence (13), the inner bottom of the water treatment cavity (12) is provided with a carrier basket (14) attached to the side wall of the purification tank (1) where the channel rear section (42) is located, through holes are distributed on the periphery of the carrier basket (14), and the carrier basket (14) is filled with activated carbon.
2. The canal-imitating spotted silver carp culture method according to claim 1, wherein the lifting assembly (5) of the water purification device (70) in step S1 comprises a screw shaft (51) vertically arranged on one side of the middle part of the inner partition plate (3) in the length direction and a slide block (52) sleeved on the screw shaft (51) and fixed on the upper end of the inner partition plate (3), the lower end of the screw shaft (51) is provided with a support plate (53) fixedly connected to the inner wall of the purification tank (1), the lower end of the screw shaft (51) is connected to the support plate (53) through a bearing (54), the upper end of the screw shaft (51) is sleeved with an outer shaft sleeve (55) in a clearance manner, one side of the outer shaft sleeve (55) is provided with a threaded hole (56) penetrating through the inner surface of the outer shaft sleeve, the threaded hole (56) is connected with a locking bolt (57) in an internal thread manner, guide rods (58) vertically extending downwards and connected to the support plate (53) are fixed on both sides of the outer shaft sleeve (55), two through holes for two guide rods (58) to respectively penetrate are formed in the sliding block (52), and the upper end of the screw rod shaft (51) extends to the upper portion of the outer shaft sleeve (55) and is connected with a rotating handle (59).
3. The canal-imitating spotted silver carp culture method according to claim 1, wherein in step S1, the front channel section (41) of the drainage channel (40) is gradually higher from the end connected with the fish pond (10) to the end connected with the purification tank (1), and the front channel section (41) is communicated with the middle lower part of the fish pond (10) and the middle part of the purification tank (1).
4. The canal-imitating spotted silver carp culture method as claimed in claim 1, wherein a straight bar (15) extending vertically upwards is fixed to the middle of the inner bottom surface of the carrier basket (14) of the water purification apparatus (70) in step S1, and a horizontal handle (16) is fixed to the upper end of the straight bar (15).
5. The canal-imitating spotted silver carp culture method according to any one of claims 2 to 4, wherein the activated carbon in the carrier basket (14) is periodically regenerated or replaced during the daily management in step S4.
6. The canal-imitating spotted silver carp culture method according to claim 1, wherein the water filter (60) in step S1 is a V-shaped filter net, two ends of the filter net are respectively fixed to two sides of a position where the water inlet channel (30) is communicated with the upstream of the river channel (20), and the middle of the filter net is located in the upstream of the river channel (20).
7. The canal-imitating spotted silver carp culture method according to claim 1, wherein the height of the guardrail net (80) in step S1 is 1-2 m.
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| CN111470639A (en) * | 2020-04-13 | 2020-07-31 | 深圳市水务技术服务有限公司 | Urban water body in-situ microorganism remediation device and remediation method |
| CN111919809A (en) * | 2020-08-22 | 2020-11-13 | 常州市水产技术指导站 | Ecological simulation pond and method for producing leiocassis longirostris based on pond |
| CN111887195A (en) * | 2020-08-22 | 2020-11-06 | 常州市水产技术指导站 | Ecological simulation pond and method for producing leiocassis longirostris based on pond |
| CN116098092B (en) * | 2023-02-28 | 2024-05-28 | 通威农业发展有限公司 | Synergistic silver carp culture method |
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