CN113785788A - Shrimp culture system and culture method thereof - Google Patents
Shrimp culture system and culture method thereof Download PDFInfo
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- CN113785788A CN113785788A CN202110990382.7A CN202110990382A CN113785788A CN 113785788 A CN113785788 A CN 113785788A CN 202110990382 A CN202110990382 A CN 202110990382A CN 113785788 A CN113785788 A CN 113785788A
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- 238000012136 culture method Methods 0.000 title claims abstract description 6
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Classifications
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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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a shrimp culture system and a shrimp culture method, wherein two kinds of shrimps, namely procambarus clarkia and freshwater shrimp, are alternately cultured in the same pond within one year, the procambarus clarkia is cultured in the first half year, the procambarus clarkia is cultured and then is caught, and the freshwater shrimp is cultured in the second half year after the pond is treated. The invention mainly solves the problem of wasting time and space resources in the pond in the single-season cultivation mode of the procambarus clarkia and the freshwater shrimps in the pond, and solves the problems of utilization of excessive high-quality aquatic weeds and high labor cost for treatment of the excessive freshwater shrimps in the pond, and the like. The invention mainly adopts 3-6 months in the first half year, and the pond is utilized to breed the procambarus clarkii for one season; then, the method for thoroughly removing the procambarus clarkii forcibly finishes the cultivation of the procambarus clarkii; and (4) cultivating the freshwater shrimps in the pond in the next 7 months to the next 1 month. Realizes the alternate culture of two different freshwater economic shrimps in one pond, improves the utilization rate and the yield of the culture space of the pond, and realizes the yield increase and the efficiency increase.
Description
Technical Field
The patent application relates to the technical field of aquaculture, in particular to a shrimp culture system and a shrimp culture method.
Background
The procambarus clarkia and the freshwater shrimps are important freshwater economic shrimps in China, the procambarus clarkia and the freshwater shrimps are fine in meat quality, rich in nutrition and rich in calcium, and are favored by consumers, in recent years, the market supply is short, the price is steadily improved, the annual average price of the procambarus clarkia is stabilized to be more than 15 yuan/jin, the annual average price of the freshwater shrimps is stabilized to be more than 50 yuan/jin, and the culture scale is also enlarged year by year. At present, procambarus clarkii is mainly cultured in a rice field, and is cultured in a pond for the second time; the freshwater shrimps are mainly cultured in the pond. In the breeding production of the procambarus clarkii and the freshwater shrimps in the pond, the per mu yield of the procambarus clarkii breeding commodity shrimps in the conventional pond is generally only 100 jin and 150 jin at present, and the per mu yield of the freshwater shrimp breeding commodity shrimps in the pond is generally only 60 jin to 70 jin at present; the profit of each acre of the procambarus clarkii or the freshwater shrimps cultured in the pond is only 1000 plus 2000 yuan.
The existing procambarus clarkii and freshwater shrimp culture defects are as follows:
1. the procambarus clarkii is cultured in the pond, in 3-6 months in the last half year, the procambarus clarkii has high shelling frequency, fast growth and high yield, but along with the rise of air temperature in the next half year, the gonad development of the procambarus clarkii is accelerated, most of the procambarus clarkii are dug into holes to breed and mate, the culture yield in the next half year is low, most of farmers have culture loss in the process of culturing the procambarus clarkii in summer, and once the procambarus clarkii cultured in the pond is sexually mature, the procambarus clarkii is difficult to remove, the density of procambarus clarkii seedlings in the pond is difficult to control and too large, the large-size quality shrimps are difficult to culture, the cultured procambarus clarkii is small in size, poor in quality, low in market price and the like, and the improvement of the culture economic benefit is seriously influenced;
2. the freshwater shrimps are cultured in the pond, after the juvenile freshwater shrimps are in 4 months, the freshwater shrimps begin to mate, ovulate and spawn, the growth is slow, the yield is low, the culture growth multiple of the freshwater shrimps is small, and most of farmers culture the freshwater shrimps in spring, and the culture loss condition occurs; as the shrimp larvae are put into the pond for the first half year from the middle ten days of 7 months to the last ten days of 8 months, if the pond and the pond are dried and aired for 6-7 months in the first half year, not only is the waste of pond resources caused, but also the weeds in the pond are easy to grow, and the cultivation of the freshwater shrimps in the next half year is not facilitated.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the object of the present patent application is to provide a shrimp farming system and a farming method thereof, which solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for culturing the shrimps includes such steps as culturing the procambarus clarkia and freshwater shrimps in same pond in one year, culturing the procambarus clarkia in the first half year, fishing, and culturing freshwater shrimps in the second half year.
The pond rotary culture method of the procambarus clarkia and the freshwater shrimps is adopted, the space-time resources of the pond are fully exerted, the optimal growth time of the procambarus clarkia and the freshwater shrimps is effectively utilized, the seedling density of the aquatic weeds and the procambarus clarkia is effectively controlled, the yield and the benefit of the procambarus clarkia and the freshwater shrimps in one pond are obtained, and the annual economic benefit of the pond culture of the freshwater shrimps is effectively improved.
Further, the method for culturing the procambarus clarkii specifically comprises the following steps:
s11, solarization in a clean pool: in 1-2 months every year, after the freshwater shrimps are cultured, draining water in the pond, removing excessive sludge and sundries, keeping the thickness of the sludge to be 10-15cm, solarizing for more than 30 days, and enabling the bottom of the pond to be in a cracking shape;
s12, disinfecting and cleaning the wild: splashing 75-100kg of quicklime slurried in the pond per mu in the first year of cultivation 40-50 days before the procambarus clarkii fries are put in the pond for 2-3 months; in the second year of cultivation, 10-15kg of tea dregs are splashed in the pond per mu;
s13, transplanting aquatic weeds: after 7-10 days of disinfection, 5-10cm of pond water enters, and the waterweed trophosome is transplanted in the center of the pond 4m away from the pond ridge, and the water level is gradually deepened to 50-60cm along with the survival of the waterweed trophosome;
s14, fertilizing water and growing grass: fertilizing water quality by using amino acid fertilizer water paste 7-10 days before stocking shrimp seedlings, so that the water color is brown, and the transparency is controlled to be 25-35 cm;
s15, stocking the seedlings: 3, in the middle ten days of the month to 4, when the water and grass coverage area reaches 30-40%, putting 80-120 crayfish fries per kilogram in the specification, and stocking 40-50 kilograms per mu; in the last ten days of 5 months, the commercial shrimps are fished and come into the market, the shrimps stored in the pond are basically fished, 30-40 jin of shrimp seedlings with the specification of 80-100/jin are supplemented in each mu 10 days before 5 months, and the shrimp seedlings are uniformly thrown in shallow water around the pond;
s16, catching: after the shrimp seedlings are cultured for 20-30 days, catching commercial shrimps with the specification of more than 20g in a ground cage with the mesh size of 3.5cm, and catching the commercial shrimps with large shrimps and small shrimps; forcibly ending the cultivation of the procambarus clarkii before and after 20 days of 6 months.
Further, the freshwater shrimp breeding method specifically comprises the following steps:
s21, killing: after the procambarus clarkii is fished, keeping the water level of the pond at 80-100cm, and using 40ml of deltamethrin per mu to thoroughly kill the remaining procambarus clarkii in the pond; then, lowering the water level to 20-30cm, using 75-100kg of quicklime per mu, splashing the quicklime into the pond after slurrying, disinfecting the pond, and removing the toxicity of the deltamethrin; after 7-10 days of disinfection and detoxification, thoroughly draining the pond water, solarizing for more than 15 days to make the bottom of the pond in a crack shape, improve the substrate and decompose the toxicity of deltamethrin;
s22, planting aquatic weeds: after the pond is solarized, 5-10cm of pond inlet water, transplanting hydrilla verticillata in the center of the pond 4m away from the ridge of the pond, and gradually deepening the water level to 50-60cm along with the survival of the hydrilla verticillata;
s23, fertilizing: gradually adding water after the hydrilla verticillata survives, adding water to the water level of 60-80cm 5-7 days before the shrimp larvae are put in, sprinkling organic acidolysis toxicants in the whole pool, removing the toxins in the pool, and fertilizing the water quality by using amino acid fertilizer water paste and chlorella liquid on the 2 nd day to ensure that the water color is green yellow and the transparency is 25-40 cm;
s24, stocking the shrimp fries: in the middle and late ten days of 7 months to the beginning of 8 months, 20-30 jin of freshwater shrimp seedlings with the specification of 2000 plus 3000 tails/jin are put in each mu in the early morning of sunny days; after the shrimp fries are released, 200 bighead carp summer fingerlings and 100 silver carp summer fingerlings with the specification of 3-4 cm/tail are intercropped in each mu of the pond 10-15 days;
s25, catching adult shrimps: and (3) fishing commercial freshwater shrimps by using a ground cage in the last ten days of 12 months, selling the commercial freshwater shrimps, wherein the specifications of the commercial freshwater shrimps are more than 4.0cm and the body length of the commercial freshwater shrimps is less than 4cm, merging the shrimp seedlings into a pond for overwintering, completely drying the pond in the first 1 month of the next year, and fishing all the freshwater shrimps to go to the market.
Further, the waterweed trophosome in step S13 is planted at a row spacing of 10m by 8m, and the diameter of each group of waterweed trophosome is 20-30 cm.
Further, in the step S22, the hydrilla verticillata is distributed according to the row spacing of 10m by 15m, and the diameter of each mass of hydrilla verticillata is 20-30 cm.
The utility model provides a shrimp farming systems, includes the pond, the wall is prevented escaping by the setting all around in pond, is provided with water intake and drainage system in the pond, still is equipped with oxygenation device in the pond.
Further, the area of the pond is 5-10 mu, the depth of the pond is 1.2-1.5m, the depth of water storage is 1.0-1.2m, the bottom of the pond is flat, and the ridge slope ratio of the pond is 1: more than 2.5, and the width of the pond ridge is more than 1 m;
the escape-proof wall is a retaining wall with the height of 30-40cm and is arranged along the periphery of the pond by a plastic film or polyethylene mesh cloth.
Furthermore, the water inlet and drainage system comprises a water inlet and a water outlet which are arranged on the diagonal line of the pond, the water inlet is arranged on the pond ridge of the pond, a double-layer bolting silk net bag with 80 meshes is sleeved on the water inlet, the water outlet is arranged at the lowest position of the other end of the diagonal line of the pond, and a small-hole shrimp cover with 20-40 meshes is sleeved on the water outlet.
Furthermore, the oxygenation device comprises a Roots blower and a nanometer oxygenation disc.
Furthermore, a Roots blower with the power of 0.2-0.3kw is arranged in each mu of the pond, and 2-3 nano oxygen increasing disks with the diameter of 80cm are arranged in each mu of the pond.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, the growth characteristics of the procambarus clarkii and the freshwater shrimps are fully utilized, the pond culture space and time are fully excavated, the procambarus clarkii is cultured in the first half year (3-6 months), and the freshwater shrimps are cultured in the next half year (7 months-1 month in the next year), so that the procambarus clarkii is produced by 150 plus one year and the commercial freshwater shrimps are produced by 80-100 plus one year in the pond year, the obtained yield per mu reaches 6000 plus one year 8000 yuan, and the profit per mu reaches 3000 plus one year 4000 yuan, which is 1.5-2 times of the economic benefit of the traditional culture mode;
2. after the procambarus clarkii is cultured and before the quick gonad development of the procambarus clarkii, deltamethrin is adopted to thoroughly kill the remaining procambarus clarkii in the pond, which is not only beneficial to developing the culture of the procambarus clarkii in the next half year, but also can effectively control the pond storage amount of the procambarus clarkii breeding shrimps, is beneficial to controlling the culture density of the procambarus clarkii in the next year, is beneficial to improving the specification and the quality of the procambarus clarkii and improving the market price;
3. after the freshwater shrimps are cultured in the pond in the next half year, the procambarus clarkii is cultured in the first half year, the water and grass resources in the freshwater shrimp culture field can be fully utilized, the feed is saved, the yield of the procambarus clarkii is improved, the excessive growth of the water and grass in the pond can be prevented in a limited way, and the culture yield of the freshwater shrimps is stabilized.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and variations in various respects, all without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The invention provides the following technical scheme:
example 1
The shrimp culture system comprises a pond, escape-preventing walls are arranged around the pond, a water inlet and drainage system is arranged in the pond, and an oxygen increasing device is further arranged in the pond.
The pond area is 5 mu, and the pond degree of depth is 1.2m, and the water storage depth is 1.0m, and the pond bottom is flat, and pond bank slope ratio is 1: 3, the width of the pond ridge is 1.0 m;
the escape-proof wall is a retaining wall with the height of 30-40cm and is arranged along the periphery of the pond by a plastic film or polyethylene mesh cloth;
the water inlet and drainage system comprises a water inlet and a water outlet which are arranged on diagonal lines of the pond, the water inlet is arranged on a pond ridge of the pond, an 80-mesh double-layer bolting-silk net bag is sleeved on the water inlet, the water outlet is arranged at the lowest position of the other end of the diagonal lines of the pond, and a 20-40-mesh close-meshed shrimp cover is sleeved on the water outlet;
the oxygenation device includes roots's fan and nanometer oxygenation dish, and the pond is equipped with a power and is 1.5 kw's roots fan, and the pond sets up 15 nanometer oxygenation dishes that the diameter is 80 cm.
A method for culturing the shrimps includes such steps as culturing the procambarus clarkia and freshwater shrimps in same pond in one year, culturing the procambarus clarkia in the first half year, collecting mature procambarus clarkia, and treating the pond for culturing freshwater shrimps in the next half year.
The method for breeding the procambarus clarkii specifically comprises the following steps:
s11, solarization in a clean pool: 1, 5 days in 2020, draining water in the pond after the freshwater shrimp culture is finished, removing excessive sludge and sundries, keeping the thickness of the sludge to be 10-15cm, solarizing for 30 days, and enabling the bottom of the pond to be in a cracking shape;
s12, disinfecting and cleaning the wild: splashing 50kg of tea seed meal in the whole pool 45 days before stocking procambarus clarkii fries in 2-5 months in 2020;
s13, transplanting aquatic weeds: 2, 12 days in 2020, introducing water into the pond by 5cm, transplanting the waterweed trophosome in the center of the pond 4m away from a ridge of the pond, planting the waterweed trophosome according to the row spacing of 10m by 8m, wherein the diameter of each group of waterweed trophosome is 20-30cm, and gradually deepening the water level to 50-60cm along with the survival of the waterweed trophosome;
s14, fertilizing water and growing grass: in 3 and 13 months in 2020, 15 jin of amino acid fertilizer water paste is sprinkled in the whole pool to fertilize the water quality, so that the water color is dark brown, and the transparency is controlled to be 25 cm;
s15, stocking the seedlings: 20 days in 3 months in 2020, the covering area of the waterweed reaches 30 percent, and 200 jin of Procambarus clarkii fries with the specification of 80-120 tails/jin are put in; 5, 5 months and 5 days in 2020, the commercial shrimps stored in the pond are basically fished; 150 jin of shrimp seeds with the specification of 80-100 kg/jin are supplemented and put in shallow water around the pond in 5-8 th of 2020;
s16, catching: catching the first crop of commercial shrimps, wherein 4 months and 18 days in 2020, catching commercial shrimps with the specification of more than 20g in a ground cage with the mesh size of 3.5cm, and selling the commercial shrimps, wherein the size of the commercial shrimps is reserved until 5 months and 5 days in 2020; and (3) catching the second crop of commercial shrimps, namely 6-month-5 days in 2020, catching the commercial shrimps with the specification of more than 20g by using a ground cage with the mesh size of 3.5cm, selling the commercial shrimps on the market, catching the commercial shrimps with the large size and keeping the commercial shrimps small, and forcibly ending the cultivation of the Procambarus clarkii until 6-month-20 days in 2020, wherein 980 jin commercial shrimps are caught together and 196 jin shrimp are produced per mu.
The freshwater shrimp breeding method specifically comprises the following steps:
s21, killing: after the procambarus clarkii is caught in 20 days 6 months in 2020, the water level of the pond is kept at 80cm, 200ml of deltamethrin is splashed in the whole pond, and the remaining procambarus clarkii in the pond is thoroughly killed; in 23 days 6 months in 2020, the water level is reduced to 20cm, 375kg of quicklime is used in the whole pond, and then splashing is carried out to the pond after slurrying, the pond is disinfected, and the toxicity of deltamethrin is removed; completely draining the pond water for 1 day in 7 months in 2020, and solarizing for 15 days to enable the bottom of the pond to be in a cracking shape;
s22, planting aquatic weeds: 16 days 7 and 16 months in 2020, 5cm of pond water enters, hydrilla verticillata is transplanted in the center of the pond 4 meters away from the ridge of the pond, the hydrilla verticillata is distributed according to the row spacing of 10m by 15m, and the diameter of each group of hydrilla verticillata is 20-30 cm;
s23, fertilizing: 22 days in 7 and 22 months in 2020, after the hydrilla verticillata survives, water is gradually added to 50-60cm, 1.5L of organic acid detoxification agent is sprinkled in the whole pool, the toxin in the pool is removed, 23 days in 7 and 23 months in 2020, 15 jin of amino acid fertilizer water paste and 50 jin of chlorella liquid are used for fertilizing the water quality, so that the water color is green yellow, and the transparency is 25 cm;
s24, stocking the shrimp fries: in 26 months 7 in 2020, 100 jin of freshwater shrimp seedlings with the specification of 2000 plus 3000 tails/jin are selected to be put in the morning in sunny days; in 10 days 8 months in 2020, 1000 bighead carp summer fingerlings and 500 silver carp summer fingerlings with the specification of 3-4 cm/tail are intercropped in the pond;
s25, catching adult shrimps: in 12-month-25-2020, fishing commercial freshwater shrimps by using a ground cage for sale, wherein the length of the sold freshwater shrimps is more than 4.0cm, and drying the pond at the bottom of 1-month-2-day 2021, fishing all commercial freshwater shrimps for sale, fishing 430 jin of commercial freshwater shrimps together, and producing 86 jin of commercial freshwater shrimps per mu; catching shrimp seeds with the body length of less than 4cm for 260 jin, and putting the shrimp seeds in the pond for overwintering.
Example 2
The shrimp culture system comprises a pond, escape-preventing walls are arranged around the pond, a water inlet and drainage system is arranged in the pond, and an oxygen increasing device is further arranged in the pond.
The pond area is 8 mu, and the pond degree of depth is 1.3m, and the water storage depth is 1.1m, and the pond bottom is flat, and pond bank slope ratio is 1: 2.5, the width of the pond ridge is 1.2 m;
the escape-proof wall is a retaining wall with the height of 30-40cm and is arranged along the periphery of the pond by a plastic film or polyethylene mesh cloth;
the water inlet and drainage system comprises a water inlet and a water outlet which are arranged on diagonal lines of the pond, the water inlet is arranged on a pond ridge of the pond, an 80-mesh double-layer bolting-silk net bag is sleeved on the water inlet, the water outlet is arranged at the lowest position of the other end of the diagonal lines of the pond, and a 20-40-mesh close-meshed shrimp cover is sleeved on the water outlet;
the oxygenation device comprises a Roots blower and a nano oxygenation disc, 1 Roots blower with the power of 2.2kw is equipped, and 24 nano oxygenation discs with the diameter of 80cm are arranged in the pond.
A method for culturing the shrimps includes such steps as culturing the procambarus clarkia and freshwater shrimps in same pond in one year, culturing the procambarus clarkia in the first half year, collecting mature procambarus clarkia, and treating the pond for culturing freshwater shrimps in the next half year.
The method for breeding the procambarus clarkii specifically comprises the following steps:
s11, solarization in a clean pool: 1, 10 days in 2020, draining water in the pond after the freshwater shrimp culture is finished, removing excessive sludge and sundries, keeping the thickness of the sludge to be 10-15cm, solarizing for 30 days, and enabling the bottom of the pond to be in a cracking shape;
s12, disinfecting and cleaning the wild: spraying 100kg of tea seed meal in the whole pond 50 days before stocking procambarus clarkii fries in 2020 for 2 and 10 days;
s13, transplanting aquatic weeds: in the 2-month and 17-month 2020, 5-10cm of pond water enters, and the waterweed trophosome is transplanted in the center of the pond 4 meters away from the ridge of the pond, and is planted according to the row spacing of 10m by 8m, the diameter of each group of waterweed trophosome is 20-30cm, and the water level is gradually deepened to 50-60cm along with the survival of the waterweed trophosome;
s14, fertilizing water and growing grass: in 26 days in 3 months in 2020, 30 jin of amino acid fertilizer water paste is sprinkled in the whole pool to fertilize the water quality, so that the water color is dark brown, and the transparency is controlled to be 30 cm;
s15, stocking the seedlings: when the water grass coverage area reaches 35 percent in 2 days 4 months in 2020, 360 jin of Procambarus clarkia fries with the specification of 80-120 tails/jin are put in; 5, 7 months in 2020, the shrimp in the pond is basically caught along with the commercial shrimp catching and selling; 280 jin of shrimp seeds with the specification of 80-100 jin are supplemented and put in shallow water around the pond in 5-9 th of 2020;
s16, catching: catching the first crop of commercial shrimps, wherein 4 months and 27 days in 2020, catching the commercial shrimps with the specification of more than 20g in a ground cage with the mesh size of 3.5cm, and selling the commercial shrimps, wherein the size of the commercial shrimps is reserved until 5 months and 7 days in 2020; catching the second crop of commercial shrimps, namely 6 months and 7 days in 2020, catching the commercial shrimps with the specification of more than 20g on the market by using a ground cage with the mesh size of 3.5cm, and forcibly ending the cultivation of the Procambarus clarkii until 6 months and 20 days in 2020; the commercial shrimps are fished 1760 jin together, and 220 jin of shrimps are produced per mu.
The freshwater shrimp breeding method specifically comprises the following steps:
s21, killing: after the procambarus clarkii is caught in 20 days 6 months in 2020, keeping the water level of the pond at 90cm, splashing 320ml of deltamethrin in the whole pond, and thoroughly killing the remaining procambarus clarkii in the pond; then, lowering the water level to 20-30cm, splashing 700kg of quicklime into the pond after pulping by using 700kg of quicklime per mu, sterilizing the pond and removing the toxicity of deltamethrin; completely draining the pond water for 28 days 6 months in 2020, and solarizing for 17 days to enable the bottom of the pond to be in a cracking state;
s22, planting aquatic weeds: 15 days 7 and 15 months in 2020, 5-10cm of pond inlet water, transplanting hydrilla verticillata in the center of the pond 4 meters away from the ridge of the pond, wherein the hydrilla verticillata is distributed according to the row spacing of 10m x 15m, and the diameter of each group of hydrilla verticillata is 20-30 cm;
s23, fertilizing: 21 days 7 and 21 months in 2020, after the hydrilla verticillata survives, gradually deepening the water level to 50-60cm, sprinkling 2.5L of organic acid detoxification agent in the whole pool, removing the toxin in the pond, 22 days 7 and 22 months in 2020, sprinkling 32 jin of amino acid fertilizer water paste and 65 jin of chlorella liquid in the whole pool, and fertilizing the water quality to ensure that the water color is green yellow and the transparency is 30 cm;
s24, stocking the shrimp fries: in 25/7/2020, 280 jin of freshwater shrimp seedlings with the specification of 2000 plus 3000 tails/jin are selected to be put in the morning in sunny days; in 10 days 8 months in 2020, 1600 tails of bighead carp summer fingerlings and 800 tails of silver carp summer fingerlings with the specification of 3-4 cm/tail are intercropped in the pond;
s25, catching adult shrimps: in 12 months and 30 days in 2020, the commercial freshwater shrimps caught by the ground cages are sold on the market, and the length of the sold adult shrimps is more than 4.0 cm; all commercial shrimps are caught and sold in the pond until 2021 year, 1 month and 6 days; 760 jin of commercial freshwater shrimps are fished together, and 95 jin of commercial freshwater shrimps are produced per mu; the length of the capture body is below 4.0cm, and 500 jin of shrimp larvae are planted in the pond for overwintering.
Example 3
The shrimp culture system comprises a pond, escape-preventing walls are arranged around the pond, a water inlet and drainage system is arranged in the pond, and an oxygen increasing device is further arranged in the pond.
The pond area is 10 mu, and the pond degree of depth is 1.5m, and the water storage depth is 1.2m, and the pond bottom is flat, and pond bank slope ratio is 1: 3, the width of the pond ridge is 1.2 m;
the escape-proof wall is a retaining wall with the height of 30-40cm and is arranged along the periphery of the pond by a plastic film or polyethylene mesh cloth;
the water inlet and drainage system comprises a water inlet and a water outlet which are arranged on diagonal lines of the pond, the water inlet is arranged on a pond ridge of the pond, an 80-mesh double-layer bolting-silk net bag is sleeved on the water inlet, the water outlet is arranged at the lowest position of the other end of the diagonal lines of the pond, and a 20-40-mesh close-meshed shrimp cover is sleeved on the water outlet;
the oxygenation device includes roots's fan and nanometer oxygenation dish, and the pond is equipped with power and is 3 kw's roots's fan one, sets up 30 nanometer oxygenation dishes that the diameter is 80cm in the pond.
A method for culturing the shrimps includes such steps as culturing the procambarus clarkia and freshwater shrimps in same pond in one year, culturing the procambarus clarkia in the first half year, collecting mature procambarus clarkia, and treating the pond for culturing freshwater shrimps in the next half year.
The method for breeding the procambarus clarkii specifically comprises the following steps:
s11, solarization in a clean pool: 1, 2 days in 2020, draining water in the pond after the freshwater shrimp culture is finished, removing excessive sludge and sundries, keeping the thickness of the sludge to be 10-15cm, solarizing for 35 days, and enabling the bottom of the pond to be in a cracking shape;
s12, disinfecting and cleaning the wild: 150kg of tea seed cake is sprinkled in the whole pond 40 days before the procambarus clarkia fries are put in the stockbreeding mode in 2 months and 7 days in 2020;
s13, transplanting aquatic weeds: 15 days 2 and 15 months in 2020, introducing water into the pond by 10cm, transplanting the waterweed trophosome in the center of the pond 4 meters away from the ridge of the pond, planting the waterweed trophosome according to the row spacing of 10m by 8m, wherein the diameter of each group of waterweed trophosome is 20-30cm, and gradually deepening the water level to 50-60cm along with the survival of the waterweed trophosome;
s14, fertilizing water and growing grass: in 3 months and 15 days in 2020, 40 jin of amino acid fertilizer water paste is used for fertilizing water quality, so that the water color is dark brown, and the transparency is controlled to be 35 cm;
s15, stocking the seedlings: when the water grass coverage area reaches 40% in 25/3 of 2020, 500 jin of Procambarus clarkia fries with the specification of 80-120 tails/jin are put in; 5, 6 months in 2020, the shrimp in the pond is basically caught along with the commercial shrimp catching and selling; 400 jin of shrimp seeds with the specification of 80-100 kg/jin are supplemented and put in shallow water around the pond in 5-8 th of 2020;
s16, catching: catching the first crop of commercial shrimps, wherein the first crop of commercial shrimps are caught for 4 months and 20 days in 2020, catching commercial shrimps with the specification of more than 20g on the market by using a ground cage with the mesh size of 3.5cm, and catching the commercial shrimps to large and small sizes until 5 months and 7 days in 2020; catching the second crop of commercial shrimps, namely catching the commercial shrimps with the size of more than 20g in a ground cage with the mesh size of 3.5cm for 1 day 6 month in 2020, and forcibly ending the cultivation of the Procambarus clarkii until 20 days 6 months in 2020; the commercial shrimps are fished by 2500 jin in total, and 250 jin of shrimps are produced per mu.
The freshwater shrimp breeding method specifically comprises the following steps:
s21, killing: after the procambarus clarkii is caught in 20 days 6 months in 2020, the water level of the pond is kept at 100cm, 400ml of deltamethrin is splashed in the whole pond, and the remaining procambarus clarkii in the pond is thoroughly killed; then, reducing the water level to 30cm, utilizing 1000kg of quicklime to pour water into the pond after slurrying, disinfecting the pond, and removing the toxicity of the deltamethrin; completely draining the pond water for 28 days 6 months in 2020, and solarizing for 20 days to enable the bottom of the pond to be in a cracking state;
s22, planting aquatic weeds: in 18 days 7 and 18 months in 2020, the water of the pond is 10cm, hydrilla verticillata is transplanted in the center of the pond 4 meters away from the ridge of the pond, the hydrilla verticillata is distributed according to the row spacing of 10m by 15m, the diameter of each group of hydrilla verticillata is 30cm, and the water level is gradually deepened to 60cm along with the survival of the hydrilla verticillata;
s23, fertilizing: gradually deepening the water level to 80cm in 24/7/2020, sprinkling 4L of organic acid detoxification agent in the whole pool, removing the toxin in the pool, and fertilizing the water quality by using 30 jin of amino acid fertilizer water paste and 80 jin of chlorella liquid in 25/7/2020 so that the water color is green yellow and the transparency is 40 cm;
s24, stocking the shrimp fries: in 28 days 7 and 28 months in 2020, 300 jin of freshwater shrimp seedlings with the specification of 2000 and 3000 tails/jin are selected to be put in the early morning in sunny days; in 10 days 8 months in 2020, 2000 bighead carp summer fingerlings and 1000 silver carp summer fingerlings with the specification of 3-4 cm/tail are intercropped in the pond;
s25, catching adult shrimps: catching commercial freshwater shrimps in 1 month and 2 days in 2020, selling commercial freshwater shrimps with the body length of more than 4.0cm by using a ground cage, and catching all the freshwater shrimps in a dry pond in 1 month and 8 days in 2021; 990 jin of commercial freshwater shrimps are fished together, and 99 jin of commercial freshwater shrimps are produced per mu; 800 jin of shrimp larvae with the length of less than 4.0cm are fished and put into a pond for overwintering.
The method also comprises breeding management after the procambarus clarkia fries are put in the breeding, wherein the breeding management comprises the following steps:
(1) and feeding the feed: the feed is selected from a procambarus clarkia compound feed, soybeans and corns, the procambarus clarkia compound feed is selected from a feed with a protein content of 28-36% and a particle size of 2-3mm, the procambarus clarkia compound feed is fed 10-15 days before feeding on the 2 th day after the shrimp larvae are fed, the daily feeding rate is 1-2%, and the afternoon is 6% every day: feeding for 1 time at 00 times for 15-30 days, wherein the feeding amount of cooked soybeans and corns in the morning is 30% of the feeding amount in the whole day; feeding the procambarus clarkii compound feed in the afternoon, wherein the feed accounts for 70 percent of the feeding amount in the whole day; the daily feeding rate is 2-3%, and after feeding for 30 days, cooked soybeans and corns are fed in the morning, accounting for 30% of the daily feeding amount; feeding the procambarus clarkii compound feed in the afternoon, wherein the feed accounts for 70 percent of the feeding amount in the whole day; the daily feeding rate is 1-2%, the feed is uniformly fed along the whole pool, 2-3 feeding platforms are arranged per mu, and the feeding amount of the feed is increased or decreased according to the feeding condition of the feed;
(2) and curing the aquatic weeds: in the culture process, when the elodea nutraceutica bodies grow excessively, heads and density need to be cut in time, so that the heads of the elodea nutracea bodies are maintained to be about 20cm underwater, the elodea nutracea bodies are in strips or clusters, grass-free space areas are arranged among grass clusters, the water grass coverage area accounts for 30-40% in the early culture period, and the water grass coverage area accounts for about 50% in the middle and later periods; the leaves of the water plants are yellow and curled, and the prebiotics can be sprinkled; the roots of the elodea nutracea bodies turn yellow, and long-root granular fertilizer is sprayed; the plenilla vegetative mass is dirty, and bacillus microecologics are adopted to decompose organic matters in the water body and keep the aquatic plants fresh and cool;
(3) water level regulation and control: adjusting water level according to weather, wherein in 2 months, the water level is kept at 20-30cm, and the aquatic weeds are promoted to root; in 3 months, the water level is 30-40cm, the accumulated temperature is increased, and the quick growth of the aquatic weeds is promoted; in 4 months, the water level is kept at 50-60cm, and the rapid growth of the procambarus clarkii is promoted; in the month of 5, the water level is deepened to 60-70cm, the water temperature is reduced, the growth of the procambarus clarkii is promoted, in the month of 6, the water level is deepened to 80-100cm, the water temperature is reduced, aquatic weeds are prevented from being exposed out of the water surface, and the growth of the procambarus clarkii is promoted;
(4) water quality regulation: in the growing period of the aquatic weeds in the period of 2-3 months, splashing quicklime slurry to control the outbreak of the moss when the moss occurs, and in the period of 4 months, adding water for 1 time every 5-7 days, wherein each time is 5-10cm, and gradually deepening the water level to 50-60 cm; changing water for 5-6 months, changing water for 1 time every 7-10 days, and changing water for 20-50% each time; in 4-6 months, 3-4 jin of amino acid fertilizer water paste and 2-3 jin of beneficial bacteria (spores and EM bacteria) are used for regulating water for 1 time every mu every 10-15 days, if the water is thin, the fertilizer is rich in bacteria and the fertilizer is rich in bacteria, if the water is rich in bacteria, the fertilizer is rich in bacteria, the water is kept alive and tender, the transparency is controlled to be about 30cm, after 5 months, the aerator is started for 2 hours at 12:00-14:00 at noon in fine days, and the aerator is started at 23:00 at night and is shut down till the day comes out, so that the sufficient dissolved oxygen in the pond is ensured.
The method also comprises breeding management after the freshwater shrimp seeds are put in the breeding, and the breeding management comprises the following steps:
firstly, bait feeding: the feed is freshwater shrimp complete pellet feed, wherein the feed 1# is feed with the grain size of 1.1mm and the crude protein content of more than 36 percent, the feed 2# is feed with the grain size of 1.6mm and the crude protein content of 33 percent, and the feed 3# is feed with the grain size of 1.6mm and the crude protein content of 36 percent; in the early stage of cultivation (7 late ten days-8 middle ten days), when the young shrimps are 1.5-3cm, feeding the young shrimps by using feed 1# with the daily feeding rate of 4-5%; feeding 2# feed when the freshwater shrimps grow to 3-4cm in the middle culture period (8 late ten days-9 early ten days), wherein the daily feeding rate is 5%; feeding 3# feed when the freshwater shrimps grow to be more than 4cm in the later culture period (9 middle ten days-10 months), wherein the daily feeding rate is 4-5%; feeding once in 8-10 months, 8-9 am every day and 5-7 pm every day, wherein the feeding amount accounts for 30% and 70% of the total amount of one day respectively, and the feed is eaten within 2 hours; feeding for 11 months at a daily feeding rate of 0.5% for 1 time at 4:00-5:00 pm every day; after 11 last ten days, the temperature is reduced to below 10 ℃, and the feeding is stopped.
Secondly, water quality regulation and control: the water level is kept at 80-100cm, water is changed for 1 time every 10-15 days, the water is changed for 5-10cm every time, and after the water is changed, 2-3 jin of bacillus subtilis, EM, photosynthetic bacteria, lactobacillus microecological preparation and 8-10 jin of chlorella liquid are used for each mu; spraying quicklime once per half month, wherein the dosage per mu is 10 kg; 9. in 10 months, the aerator is started at 12:00-14:00 noon in sunny days for 2 hours, the aerator is started at 23:00 night, the power is off until the day comes out, and the aerator is started in time in rainy days and sultry weather and hot weather, so that sufficient oxygen dissolved in the pond is ensured.
According to the method, the growth characteristics of the procambarus clarkii and the freshwater shrimps are fully utilized, the pond culture space and time are fully excavated, the procambarus clarkii is cultured in the first half year (3-6 months), and the freshwater shrimps are cultured in the next half year (7 months-1 month in the next year), so that the procambarus clarkii is produced by 200 plus materials and the commercial freshwater shrimps by 80-100 plus materials in the pond per mu, the obtained yield per mu reaches 6000 plus materials and 8000 yuan, and the profit per mu reaches 3000 plus materials and 4000 yuan, which is 1.5-2 times of the economic benefit of the traditional culture mode.
After the procambarus clarkii is cultured and before the quick gonad development of the procambarus clarkii, deltamethrin is adopted to thoroughly kill the remaining procambarus clarkii in the pond, which is not only beneficial to developing the culture of the procambarus clarkii in the next half year, but also can effectively control the amount of the breeding pond of the procambarus clarkii and the culture density of the procambarus clarkii, is beneficial to improving the specification and the quality of the procambarus clarkii and improving the market price.
After the freshwater shrimps are cultured in the pond in the next half year, the procambarus clarkii is cultured for one season in the first half year, so that aquatic and grass resources in the freshwater shrimp culture field can be fully utilized, the feed is saved, and the growth of the procambarus clarkii is promoted; but also can prevent the excessive growth of the water plants in the pond to a limited extent and stabilize the culture yield of the freshwater shrimps.
The invention mainly solves the problem of wasting time and space resources in the pond in the single-season breeding mode of the procambarus clarkia and the freshwater shrimps in the pond, and effectively solves the problems that the density of the procambarus clarkia seedlings in the pond is difficult to control, the specifications of the cultured commercial shrimps are small, the quality is poor and the like; and solves the problems of utilization of excessive high-quality aquatic weeds and grasses for pond freshwater shrimp culture, high labor cost for treatment and the like.
The invention mainly adopts 3-6 months in the first half year, and the pond is utilized to breed the procambarus clarkii for one season; then, the method for thoroughly removing the procambarus clarkii forcibly finishes the cultivation of the procambarus clarkii; and (4) cultivating the freshwater shrimps in the pond in the next 7 months to the next 1 month. Realizes the alternate culture of two different freshwater economic shrimps in one pond, improves the utilization rate and the yield of the culture space of the pond, and realizes the yield increase and the efficiency increase.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (10)
1. A shrimp culture method is characterized in that: in one year, two kinds of shrimps of the procambarus clarkia and the freshwater shrimps are cultivated in the same pond in a rotation mode, the procambarus clarkia is cultivated in the first half year, the procambarus clarkia is caught after being cultivated, and the freshwater shrimps are cultivated in the next half year after the pond is treated.
2. The shrimp farming method of claim 1, wherein: the method for breeding the procambarus clarkii specifically comprises the following steps:
s11, solarization in a clean pool: in 1-2 months every year, after the freshwater shrimps are cultured, draining water in the pond, removing excessive sludge and sundries, keeping the thickness of the sludge to be 10-15cm, solarizing for more than 30 days, and enabling the bottom of the pond to be in a cracking shape;
s12, disinfecting and cleaning the wild: splashing 75-100kg of quicklime slurried in the pond per mu in the first year of cultivation 40-50 days before the procambarus clarkii fries are put in the pond for 2-3 months; in the second year of cultivation, 10-15kg of tea dregs are splashed in the pond per mu;
s13, transplanting aquatic weeds: after 7-10 days of disinfection, 5-10cm of pond water enters, and the waterweed trophosome is transplanted in the center of the pond 4m away from the pond ridge, and the water level is gradually deepened to 50-60cm along with the survival of the waterweed trophosome;
s14, fertilizing water and growing grass: fertilizing water quality by using amino acid fertilizer water paste 7-10 days before stocking shrimp seedlings, so that the water color is brown, and the transparency is controlled to be 25-35 cm;
s15, stocking the seedlings: 3, in the middle ten days of the month to 4, when the water and grass coverage area reaches 30-40%, putting 80-120 crayfish fries per kilogram in the specification, and stocking 40-50 kilograms per mu; in the last ten days of 5 months, the commercial shrimps are fished and come into the market, the shrimps stored in the pond are basically fished, 30-40 jin of shrimp seedlings with the specification of 80-100/jin are supplemented in each mu 10 days before 5 months, and the shrimp seedlings are uniformly thrown in shallow water around the pond;
s16, catching: after the shrimp seedlings are cultured for 20-30 days, catching commercial shrimps with the specification of more than 20g in a ground cage with the mesh size of 3.5cm, and catching the commercial shrimps with large shrimps and small shrimps; forcibly ending the cultivation of the procambarus clarkii before and after 20 days of 6 months.
3. The shrimp farming method of claim 1, wherein: the freshwater shrimp breeding method specifically comprises the following steps:
s21, killing: after the procambarus clarkii is fished, keeping the water level of the pond at 80-100cm, and using 40ml of deltamethrin per mu to thoroughly kill the remaining procambarus clarkii in the pond; then, lowering the water level to 20-30cm, using 75-100kg of quicklime per mu, splashing the quicklime into the pond after slurrying, disinfecting the pond, and removing the toxicity of the deltamethrin; after 7-10 days of disinfection and detoxification, thoroughly draining the pond water, solarizing for more than 15 days to make the bottom of the pond be in a crack shape;
s22, planting aquatic weeds: after the pond is solarized, 5-10cm of pond inlet water, transplanting hydrilla verticillata in the center of the pond 4m away from the ridge of the pond, and gradually deepening the water level to 50-60cm along with the survival of the hydrilla verticillata;
s23, fertilizing: gradually adding water after the hydrilla verticillata survives, adding water to the water level of 60-80cm 5-7 days before the shrimp larvae are put in, sprinkling organic acidolysis toxicants in the whole pool, removing the toxins in the pool, and fertilizing the water quality by using amino acid fertilizer water paste and chlorella liquid on the 2 nd day to ensure that the water color is green yellow and the transparency is 25-40 cm;
s24, stocking the shrimp fries: in the middle and late ten days of 7 months to the beginning of 8 months, 20-30 jin of freshwater shrimp seedlings with the specification of 2000 plus 3000 tails/jin are put in each mu in the early morning of sunny days; after the shrimp fries are released, 200 bighead carp summer fingerlings and 100 silver carp summer fingerlings with the specification of 3-4 cm/tail are intercropped in each mu of the pond 10-15 days;
s25, catching adult shrimps: and (3) fishing commercial freshwater shrimps by using a ground cage in the last ten days of 12 months, selling the commercial freshwater shrimps, wherein the specifications of the commercial freshwater shrimps are more than 4.0cm and the body length of the commercial freshwater shrimps is less than 4cm, merging the shrimp seedlings into a pond for overwintering, completely drying the pond in the first 1 month of the next year, and fishing all the freshwater shrimps to go to the market.
4. The shrimp farming method of claim 2, wherein: in the step S13, the waterweed trophosome is planted according to the row spacing of 10m by 8m, and the diameter of each group of waterweed trophosome is 20-30 cm.
5. A shrimp farming method according to claim 3, characterized in that: in the step S22, the hydrilla verticillata is arranged according to the row spacing of 10m by 15m, and the diameter of each group of hydrilla verticillata is 20-30 cm.
6. The utility model provides a shrimp farming systems, includes the pond, its characterized in that: the anti-escape walls are arranged around the pond, a water inlet and drainage system is arranged in the pond, and an oxygen increasing device is further arranged in the pond.
7. A shrimp farming system according to claim 6 wherein the pond area is 5-10 acres, the pond depth is 1.2-1.5m, the water storage depth is 1.0-1.2m, the pond bottom is flat, the pond bank slope ratio is 1: more than 2.5, and the width of the pond ridge is more than 1 m;
the escape-proof wall is a retaining wall with the height of 30-40cm and is arranged along the periphery of the pond by a plastic film or polyethylene mesh cloth.
8. A shrimp farming system according to claim 7, wherein: the water inlet and drainage system comprises a water inlet and a water outlet which are arranged on diagonal lines of the pond, the water inlet is arranged on a pond ridge of the pond, a double-layer bolting silk net bag with 80 meshes is sleeved on the water inlet, the water outlet is arranged at the lowest position of the other end of the diagonal lines of the pond, and a dense-meshed shrimp cover with 20-40 meshes is sleeved on the water outlet.
9. A shrimp farming system according to claim 6, wherein: the oxygenation device comprises a Roots blower and a nanometer oxygenation disc.
10. A shrimp farming system as defined in claim 9, wherein: the Roots blower with the power of 0.2-0.3kw is arranged in the pond per mu, and 2-3 nanometer oxygenation disks with the diameter of 80cm are arranged in the pond per mu.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114946723A (en) * | 2022-05-23 | 2022-08-30 | 河南师范大学 | Intensive pond culture method for procambarus clarkii |
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| CN112970541A (en) * | 2021-03-02 | 2021-06-18 | 安徽省农业科学院水产研究所 | Comprehensive ecological planting and breeding method for paddy field shrimps, turtles, fishes and ducks |
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| US20020038785A1 (en) * | 2000-10-03 | 2002-04-04 | Takachiho Corp. | Method and system for managing water system habitat environment |
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| CN114946723A (en) * | 2022-05-23 | 2022-08-30 | 河南师范大学 | Intensive pond culture method for procambarus clarkii |
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Application publication date: 20211214 |