CN215500940U - Comprehensive breeding system combining rice field crayfish breeding and breeding pond - Google Patents
Comprehensive breeding system combining rice field crayfish breeding and breeding pond Download PDFInfo
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- CN215500940U CN215500940U CN202121201257.5U CN202121201257U CN215500940U CN 215500940 U CN215500940 U CN 215500940U CN 202121201257 U CN202121201257 U CN 202121201257U CN 215500940 U CN215500940 U CN 215500940U
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Abstract
The utility model discloses a comprehensive breeding system combining rice field crayfish breeding and a breeding pond, which has more breeding modes for freshwater breeding of crayfish, realizes the symbiosis of shrimp and rice by using a breeding method combining rice field planting and crayfish breeding, and has better economic benefit. The normal growth of crayfish needs sufficient nutrition and stable quality of water, for the quality of water environment that guarantees crayfish growth, has set up paddy field culture area and circulation culture area, circulates and water purification to the paddy field water, passes through filter feeding fish, spiral shell, river mussel etc. in circulation culture area, purifies planktonic animals and plants etc. in the paddy field quality of water, increases output through synthesizing the breed mode, and then improves economic benefits.
Description
Technical Field
The utility model belongs to the field of aquaculture, and particularly relates to a comprehensive culture system combining rice field crayfish culture and a culture pond.
Background
Crayfish is a kind of fresh water crustacean, has wide ingestion range, rapid growth speed and strong adaptability to environment, and has become an important economic aquatic product variety for wide cultivation. The crayfish breeding mode in the rice field is a mode of fully utilizing ecological environment and resources according to the characteristics of rice and crayfish symbiosis and mutual benefit. However, the crayfish is sensitive to water quality, and the crayfish affects the growth due to the water quality and nutrition in the culture process. The feed is easy to influence the water quality, the change of the water quality can influence the growth of the crayfish, the crayfish probe can be caused by insufficient dissolved oxygen in the water, and the key for crayfish breeding is to ensure that the nutrition of the crayfish is sufficient and the water quality environment is in a stable level.
In the prior art, the rice field breeding of crayfishes, for example, patent CN 105918026B discloses a green three-dimensional breeding method for preventing natural enemies of symbiosis of rice and shrimps, which can prevent the natural enemies and realize the symbiosis of the shrimps and rice, but the water quality change can be caused by feeding the feed, so that the normal growth of the crayfishes is not facilitated; patent CN 109479774A discloses a method for breeding rice field shrimp, which comprises feeding animal and plant feeds, and periodically sterilizing, wherein the fed animal and plant feeds can meet the nutrition requirement and prevent the crayfish from getting sick, but the fed feeds are easy to cause water quality change, and a method for adjusting water quality is not available, so that the normal growth of the crayfish is not facilitated; patent CN 107950435B discloses a method that the perch is supported in runway formula and the crawfish is supported in paddy field in a sleeving manner and is combined, it supports the perch through the runway and the crawfish is supported in paddy field and is combined, can regulate and control quality of water and realize the circulation of water, but its benefit is the perch is supported most, the income of crawfish is not obvious, and the food of crawfish absorbs slowly, need keep the certain time, long-time rivers can lead to the crawfish not enough to the utilization of bait, the growth receives the influence. And in order to obtain the first crayfish, different feeds are required to be fed to ensure the nutrition of the crayfish, but the water quality is influenced by the different feeds.
The utility model is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a rice field crayfish culture and culture pond combined comprehensive culture system has the specific technical scheme that:
a comprehensive cultivation system combining a rice field crayfish cultivation and a cultivation pond comprises a circulating cultivation area and a rice field cultivation area, wherein the circulating cultivation area is positioned in the cultivation pond, the rice field cultivation area is formed by a rice field, the rice field cultivation area and the circulating cultivation area form a rectangular shape together, the area of the circulating cultivation area is 10-15% of the cultivation area, and the rest part of the circulating cultivation area is the rice field cultivation area; meanwhile, ridges and ditches are arranged in the culture area;
ditches are distributed around the paddy field culture area, the paddy field culture area and the circulating culture area are divided by the ditches, water plants are planted in the ditches, and a water quality control inlet, a circulating control inlet and a water quality control outlet are arranged at the connection part of the ditches of the paddy field culture area and the circulating culture area, so that the circulation of paddy field water and the regulation and control of water quality are realized; planting aquatic weeds in the circulating culture area;
specifically, the circulating culture area is provided with water plants and algae plants, the breeding varieties are silver carps, bighead carps, mussels and river snails, and the water in the rice field can be purified;
furthermore, anti-escape devices are arranged at a water inlet, a water outlet and a ditch of the circulating culture area; the water in the circulating culture area needs to be filtered by a filter membrane before the water quality control outlet, and the water quality is purified to a certain extent;
the circulating culture area is provided with a water quality monitoring device and a switch control system, and the water inlet and the water outlet of the circulating culture area are controlled through water quality detection signals; the water quality monitoring device comprises water quality monitoring equipment and water quality adjusting equipment, wherein the water quality monitoring equipment is a water quality monitoring buoy, the water quality adjusting equipment is oxygen increasing equipment, and the oxygen increasing equipment is microporous oxygen increasing equipment and is arranged in a ditch and a circulating culture area; the switch control system realizes the opening and closing of the water quality control inlet, the circulation control inlet and the water quality control outlet along with the water quality detection signal of the water quality monitoring device;
blocking nets for preventing fishes from escaping are arranged at two ends of the periphery of the circulating culture area respectively;
the area of the circulating culture area is 10-20% of the total area of the total culture area, the water depth of the circulating culture area is 1-2 m, the depth of the ditch is 1.0 +/-0.2 m, the width of the ditch is 2 +/-0.5 m, and the area of the ditch accounts for 4-20% of the area of the rice field; the anti-escape films are arranged on the ridges, and the height of each anti-escape film is 0.4 m; the top surface of the ridge is 2-3 meters wide and at least 0.8 meter higher than the surface of the field; the height difference between the bottom surface of the ditch aquatic plant growing area and the bottom surface of the rice growing area is 0.8 m, the aquatic plant growing area is arranged in an inverted trapezoid shape, and the width of the bottom surface is 2/3 of the width of the upper opening.
Submerged aquatic plants such as eyedrops, hydrilla verticillata, hornworts, waterweeds, leaf discs and the like are planted in the ditches, water peanuts are planted at the edges of the rice ditches, and calabash is planted on the water surface, so that the coverage rate of water plants is ensured to be more than 30-40%; emergent aquatic plants are planted in the circulating culture area;
meanwhile, the ditches and the circulating culture areas of the rice field culture areas are provided with oxygen increasing machines for increasing the oxygen content in water, the oxygen increasing equipment is a micropore oxygen increasing facility, oxygen deficiency and large accumulation of hydrogen sulfide and nitrite are avoided, and the pH value is kept between 7.0 and 8.0.
The method adopts the modes of feeding feed and water quality regulation to carry out symbiotic cultivation of the shrimps and the rice, thereby realizing symbiosis.
The technical effects are as follows: according to the growth of the crayfish, the crayfish is promoted to obtain sufficient nutrition by feeding the feed, and meanwhile, the water quality can be intermittently regulated and purified, so that the efficient growth of the crayfish is promoted; by dividing the circulating culture area and the paddy field culture area, when water quality is required to be regulated, a regulating inlet is opened, so that paddy field water passes through the purification culture area and realizes circulation, dissolved oxygen in water is increased, stable water quality is kept, and meanwhile, bait feeding loss is reduced; when the water quality is recovered, the water quality detection device automatically closes the adjusting inlet and the adjusting outlet according to the water quality condition, and opens the circulating inlet to realize the self-circulation of the rice field water; the feed for culturing the crayfish can ensure that the crayfish can obtain a sufficient nutrient source and cannot cause great influence on water quality; through water quality monitoring, the stability of the water quality of the aquaculture water is kept, and a stable growth environment can be provided for crayfishes, so that the higher crayfish yield is obtained.
Meanwhile, the circulating culture area is provided with water plants and algae plants to purify the paddy field water, and the residues in the water are regularly cleaned by utilizing the omnivorous characteristics of the cauliflower, the snails and the freshwater mussels to keep the water quality in a stable state; the outlet of the circulating culture area is also provided with a filter membrane for purifying water quality, and the water quality is further purified; meanwhile, the cultured snails and the mussels can also be used as baits for crayfish to provide protein sources for the crayfish; in the crayfish harvesting season, the crayfish can be driven to the circulating culture area to be harvested in a centralized mode, and operation is convenient.
Drawings
FIG. 1 is a layout diagram of a comprehensive breeding system combining the breeding of the paddy field crayfish and a breeding pond;
FIG. 2 is a signal control diagram of a switch control system.
Detailed Description
The following examples are intended to illustrate the practice and advantageous effects of the present invention, but are not to be construed as limiting the scope of the present invention.
Example 1
Setting the whole culture area as a rice field culture area and a circulating culture area, wherein the rice field culture area and the circulating culture area form a rectangular shape together, the total culture area is at least 10 mu, the area of the circulating culture area is 15% of the culture area, and the rest part of the circulating culture area is the rice field culture area; the connection part of the paddy field culture area and the ditch of the circular culture area is provided with a water quality control inlet A, a circular control inlet B and a water quality control outlet C, so that the circulation of paddy field water and the regulation and control of water quality are realized; the water depth of the circulating culture area is 1-2 m, the depth of a ditch is 1.0m, the width of the ditch is 2.2m, and the area of the ditch accounts for 8% of the area of the rice field; the anti-escape films are arranged on the ridges, and the height of each anti-escape film is 0.4 m; the top surface of the ridge is 2.4 meters wide and at least 0.8 meter higher than the surface of the field; the ditch is arranged in an inverted trapezoid shape, the upper opening of the aquatic plant growing area is 4m wide, and the width of the bottom surface is 2/3 of the width of the upper opening; the height difference between the bottom surface of the ditch and the bottom surface of the rice planting area is 0.8 m, the aquatic plant planting area is arranged in an inverted trapezoid shape, and the width of the bottom surface is 2/3 of the width of the upper opening. Submerged aquatic plants such as eyedrops, hydrilla verticillata, hornworts, waterweeds, leaf discs and the like are planted in the ditches, water peanuts are planted at the edges of the rice ditches, and calabash is planted on the water surface, so that the coverage rate of water plants is ensured to be more than 30-40%; emergent aquatic plants are planted in the circulating culture area; specifically, water plants are planted in the circulating culture area, the breeding varieties are silver carp, bighead carp, freshwater mussel and river snail, and the water in the rice field can be purified;
the circulating culture area is provided with a water quality monitoring device and a switch control system, and the water inlet and the water outlet of the circulating culture area are controlled through water quality detection signals; the water quality monitoring device comprises water quality monitoring equipment and water quality adjusting equipment, wherein the water quality monitoring equipment is a water quality monitoring buoy, the water quality adjusting equipment is a multi-stage linkage oxygen increasing unit, and the multi-stage linkage oxygen increasing unit is arranged in a ditch and a circulating culture area; the switch control system realizes the opening and closing of the water quality control inlet, the circulation control inlet and the water quality control outlet along with the water quality detection signal of the water quality monitoring device; when the water quality monitoring equipment monitors that the water quality exceeds a set value, a signal is sent to the switch control system, the circulation inlet B is closed, the purification inlet A and the purification outlet C are opened, the paddy field water enters the circulation culture area for water quality purification circulation, when the water quality monitoring equipment monitors that the water quality is lower than the set value, a signal is sent to the switch control system, the purification inlet A and the purification outlet C are closed, the circulation inlet B is opened, and the paddy field water freely flows.
Blocking nets for preventing fishes from escaping are arranged at two ends of the periphery of the circulating culture area respectively;
meanwhile, the ditches and the circulating culture areas of the rice field culture areas are provided with oxygen increasing machines for increasing the oxygen content in water, the oxygen increasing machines are microporous oxygen increasing machines, the water quality is improved, oxygen deficiency and large accumulation of hydrogen sulfide and nitrite are avoided, and the pH value is kept between 7.0 and 8.0; the water inlet and the water outlet are provided with escape-proof devices; the water in the circulating culture area needs to be filtered by a filter membrane before the outlet C, and the water quality is purified to a certain extent; a circulation control inlet is arranged at the circulation inlet B to control the flow direction of the water in the ditch, and a water quality control inlet and a water quality control outlet are arranged at A, C at the joint of the circulation culture area and the ditch; the circulation control inlet.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A comprehensive cultivation system combining a rice field crayfish cultivation and a cultivation pond comprises a circulating cultivation area and a rice field cultivation area, wherein the circulating cultivation area is positioned in the cultivation pond, and the rice field cultivation area is formed by a rice field, and is characterized in that the rice field cultivation area and the circulating cultivation area form a rectangular shape together, the area of the circulating cultivation area is 10-20% of the total area of the circulating cultivation area and the rice field cultivation area, and the rest part of the circulating cultivation area is the rice field cultivation area; meanwhile, ridges and ditches are arranged in the culture area;
ditches are distributed around the paddy field culture area, the paddy field culture area and the circulating culture area are divided by the ditches, water plants are planted in the ditches, and a water quality control inlet, a circulating control inlet and a water quality control outlet are arranged at the connection part of the ditches of the paddy field culture area and the circulating culture area, so that the circulation of paddy field water and the regulation and control of water quality are realized;
the circulating culture area is provided with a water quality monitoring device and a switch control system, and the water inlet and the water outlet of the circulating culture area are controlled through water quality detection signals; the water quality monitoring device comprises water quality monitoring equipment and water quality adjusting equipment, wherein the water quality monitoring equipment is a water quality monitoring buoy, the water quality adjusting equipment is oxygen increasing equipment, and the oxygen increasing equipment is arranged in a ditch and a circulating culture area; the switch control system realizes the opening and closing of the water quality control inlet, the circulation control inlet and the water quality control outlet along with the water quality detection signal of the water quality monitoring device.
2. The integrated cultivation system for the combination of the paddy field and crawfish cultivation and cultivation pond as claimed in claim 1, wherein the circular cultivation area is provided with aquatic plants and algae plants, the cultivated species are silver carp, bighead carp, mussel and river snail, and the paddy field water can be purified.
3. The integrated cultivation system for the rice field crayfish cultivation and cultivation pond combination as claimed in claim 1, wherein the water inlet and outlet and the ditch of the circulating cultivation area are provided with escape-proof devices; the water in the circulating culture area needs to be filtered by a filter membrane before the water quality control outlet, so that the water quality is purified.
4. The integrated rice field and crawfish cultivation and cultivation pond as claimed in claim 1, wherein the two ends of the circular cultivation area are respectively provided with a barrier net for preventing fish from escaping.
5. The integrated cultivation system for the rice field and crawfish cultivation and cultivation pond combination according to claim 1, wherein the area of the circulating cultivation area is 10-20% of the total area of the total cultivation area, the water depth of the circulating cultivation area is 1-2 m, the depth of the trench is 1.0 ± 0.2 m, the width of the trench is 2 ± 0.5 m, and the area of the trench accounts for 4-20% of the area of the rice field; the anti-escape films are arranged on the ridges, and the height of each anti-escape film is 0.4 m; the top surface of the ridge is 2-3 meters wide and at least 0.8 meter higher than the surface of the field; the height difference between the bottom surface of the ditch aquatic plant growing area and the bottom surface of the rice growing area is 0.8 m, the aquatic plant growing area is arranged in an inverted trapezoid shape, and the width of the bottom surface is 2/3 of the width of the upper opening.
6. The integrated cultivation system for the rice field and crawfish cultivation and cultivation pond combination according to claim 1, wherein submerged aquatic plants such as eyedrops, hydrilla verticillata, hornworts, elodea and wheel blades are planted in the ditch, water peanuts are planted at the edge of the rice ditch, and calabash is planted on the water surface, so that the water grass coverage rate is guaranteed to be more than 30-40%; emergent aquatic plants are planted in the circulating culture area.
7. The integrated rice field and crawfish breeding and aquaculture pond cultivation system according to claim 1, wherein the oxygen increasing device is a microporous oxygen increasing device, and the switch control system is electrically connected with the water quality monitoring device and the water quality adjusting device.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115500306A (en) * | 2022-08-18 | 2022-12-23 | 灵武市金河渔业专业合作社 | Rice field circulating water high-density culture system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115500306A (en) * | 2022-08-18 | 2022-12-23 | 灵武市金河渔业专业合作社 | Rice field circulating water high-density culture system |
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