CN106942106A - A kind of Macrobrachium rosenbergii seedling in greenhouse method - Google Patents

A kind of Macrobrachium rosenbergii seedling in greenhouse method Download PDF

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Publication number
CN106942106A
CN106942106A CN201710040776.XA CN201710040776A CN106942106A CN 106942106 A CN106942106 A CN 106942106A CN 201710040776 A CN201710040776 A CN 201710040776A CN 106942106 A CN106942106 A CN 106942106A
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water
pond
shrimp
seedling
greenhouse
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张爱英
黄旭雄
戴习林
舒琥
张宇飞
王飞
陈雪峰
尤洋
高强
吴年红
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Yangzhou Jiafeng Luoshi Macrobrachium Propogation Co Ltd
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Yangzhou Jiafeng Luoshi Macrobrachium Propogation Co Ltd
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Priority to CN201710040776.XA priority Critical patent/CN106942106A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18Liquid substances or solutions comprising solids or dissolved gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention relates to a kind of Macrobrachium rosenbergii seedling in greenhouse method.By the construction of shrimp culture pond, the sterilization of culture pond and level, plants pasture and water, release base manure, shrimp seedling put in a suitable place to breed, feeding and management, through meticulous feeding and management, shrimp seed rearing then is carried out into shrimp aquaculture into the juvenile prawn of the more powerful specification of adaptability in the short period of time.The present invention improves that shrimp seedling survival rate, juvenile prawn are adaptable, improves cultured output, reduction aquaculture cost, juvenile prawn constitution are strong, juvenile prawn resistance against diseases is good.

Description

A kind of Macrobrachium rosenbergii seedling in greenhouse method
Technical field
The present invention relates to a kind of Macrobrachium rosenbergii seedling-breeding method, more particularly to a kind of Macrobrachium rosenbergii seedling in greenhouse method.
Background technology
After the time of putting in a suitable place to breed of Jiangsu Province cultivation Macrobrachium rosenbergii is May 15 under normal temperature, Macrobrachium rosenbergii culturing time compared with Short, cultured output is not high;Juvenile prawn hides enemy, adapts to environment and disease-resistant indifferent, survival rate without cultivating specification less Not high, cost is of a relatively high.Juvenile prawn changes greatly without intermediate rearing, juvenile prawn stage survival rate, it is difficult to estimate correct, production Plan cannot also be guaranteed;Conventional cultivation is not conducive to putting in a suitable place to breed in batches, alleviates the nervous pressure of shrimp seedling.
The content of the invention
The present invention provides to solve problem above and a kind of improves that shrimp seedling survival rate, juvenile prawn be adaptable, raising is foster Grow yield, reduction aquaculture cost, the Macrobrachium rosenbergii seedling in greenhouse method that juvenile prawn constitution is strong, juvenile prawn resistance against diseases is good.
The technical scheme is that:Comprise the steps:
(One)The construction in juvenile shrimp cultivation pond:
1)Culture pond (greenhouse ditch):Into in shrimp aquaculture pond, select it is leeward on the sunny side and close on excavation greenhouse ditch at water source, to build Convenient management, and matching with greenhouse material in the future, culture pond appropriate gauge is:It is open wide 5~7 meters;Depth 0.9~ 1.1 meters, dig deep 0.6~0.9 meter downwards, country fair is high 0.2 meter;The gradient 0.9~1: 1.5;Depending on length is with culturing pool size, 20 mu of ponds It is 120 meters or so that pond length is cultivated on the pool;
2)The construction of greenhouse:Frame is built in culture pond with steel pipe or bamboo plate etc., and is fixed with iron wire, nylon rope, greenhouse It is 1~1.2 meter to build height;
3)Heating furnace is assembled:The hot water of drinking water boiler is heated by closed hot-water circulation pipe to water, and circulation route is:Tea furnace goes out Mouth → single-phase pipeline pump(350W)→ hot water circuit pipeline(Around bottom of pond one week)→ tea furnace water inlet;
4)Oxygen increasing equipment:φ 40mm dural-phase contrast scans are connected with an air pump(Gas transmission main), some ommatidiums are beaten on pipe and are connected Plastic flexible pipe(Gas transmission branch pipe), the other end of flexible pipe is connected with gas exhausting stone, and gas exhausting stone distribution sets one by every 4~5 square metres, Gas exhausting stone is directly placed into bottom of pond;
5)Other facilities:One, immersible pump, for culture pond water filling, changes water;2~3, thermometer, to grasp water temperature in time Degree;Small concrete boat one, for bait throwing in, fertilising and daily management;
(Two)The sterilization in juvenile shrimp cultivation pond is with leveling:
1)Bleaching powder is sterilized:Greenhouse pond is filled into water, every cube of water body calcium hypochlorite of 30 grams of bleaching powder or quality half dissolves Yu Shuihou uniformly splashes in pond;
2)Lime disinfection:Greenhouse pond is filled into water, every cubic metre carries out full pool spilling head with 150 grams of quick limes are to boil water, by one Week discharges water;
(Three)Transplant pasture and water:After greenhouse is put up and passes through sterilization, 10 days or so plant pasture and water, one big before shrimp seedling pond-inputting Canopy plants two rows, each a line in left and right, 2.5~3.5 meters of line-spacing, 1~2 meter of spacing in the rows;
(Four)Discharge base manure:5-7 days basal dressings before shrimp seedling pond-inputting, the muck of fertilizer fermentation maturity, or fully ferment Rape cake, every square metre of application of organic fertilizers 0.5kg is begun into water and heating, the screen cloth intake with 80 mesh or so after fertilising Filtering, to prevent that wild fishes etc. from entering in pond;
(Five)Shrimp seedling is put in a suitable place to breed:
1)The selection of shrimp seedling:Desalination is complete, and it is not dense that shrimp seedling water mouth tastes saline taste;Body colour is transparent, not rubescent, and form is complete, rule Lattice are neat, and body surface is not less than 0.7cm without attachment, body length;It is movable quick, sensitive are stimulated to current, not the group of beating, can be in polybag It is middle flat to swim, it is uniformly distributed;Close shrimp is healthy and strong, and specification is big, and introduces a collection is good;It is disease-free during nursery, few medication or not medication, bait symbol Young nutritional need is closed, young density is normal;
2)The transport of shrimp seedling:One is that the suitable temperature that shipment shrimp seedling depending on weather, will transport seedling is 20-25 DEG C;Two be shrimp seedling Shipping density will be according to distance, depending on the specification of temperature and shrimp seedling, and 25cm × 25cm × 50cm plastics seedling bag can fill seedling 5000 tails, three be that seedling bag water is identical with former seedling water;
3)Try water:Pool water within temperature reaches more than 20 DEG C, and shrimp seedling is put in a suitable place to breed first 1~2 day, and shrimp seedling is put into net cage or mesh bag and sunk to Culture pond, after 24 hours observe survival rate more than 80%, can just put seedling, in addition to quick lime or bleaching powder, also it is used other The pool mouthful of " medicine of cleaning up the pond ", examination water more than 48 hours;
4)Breeding density:The culture pond of the vinyl house soil boiler heating of use, early stage(March)For the ease of heating, often stand Square meter Shui Ti puts the desalination tail of shrimp seedling 0.4~0.5 ten thousand, cultivates the middle and later periods(After 30 days), the separation dam that get through in the middle of greenhouse ditch will Juvenile prawn point is dilute(0.2 ten thousand tails/m3)Cultivate, improve the survival rate and specification of juvenile shrimp cultivation;Mid-term(April, only with booth thermal insulation not Pacify boiler)Breeding density is 0.3 ten thousand tails/m3;Later stage(After May 15, it is not necessary to be incubated), one is crossed with net in one jiao of shrimp ponds Shrimp seedling is temporarily supported in block sky waters, and breeding density is 0.05 ten thousand tails/m2
5)Shrimp seedling pond-inputting:The water temperature in juvenile shrimp cultivation pond will be increased to the optimum water temperature of Macrobrachium rosenbergii, that is, be not less than 25 DEG C, shrimp seedling fortune During to the pool mouthful, container(Polybag)Interior water temperature is larger with temperature Change, in order to reduce the temperature difference that shrimp seedling is put in a suitable place to breed, before shrimp seedling pond-inputting, The polybag for filling seedling is soaked 15 to 20 minutes in pond, then put in a suitable place to breed;
(Six)Feeding and management:
1)Fertilising cultivates water quality:Want basal dressing in juvenile shrimp cultivation pond, it is ensured that transparency is within 35cm;
2)Bait throwing in:Shrimp seedling entered behind pond in 3-5 days, to feed based on egg bait, i.e., can be added with 0.5 egg daily by every ten thousand tails shrimp seedling A small amount of minced fillet or milk powder, add a small amount of water, water proof boiling more than 20 minutes after stirring;Then with 20 mesh metal mesh filters into small Graininess, and water are uniformly splashed and fed, and are fed daily 6 times;Throwing complete granular mixed feed can be changed after 5 days(Macrobrachium rosenbergii opening Material, gross protein value more than 40%);
3)Water quality management:Change within 5-7 days water once, quantity of exchanged water about 20cm, the temperature difference is no more than 5 DEG C when changing water, and fine day noon changes water;Children Shrimp cultivates the later stage(April 20 to May 10), substrate easily deteriorates, and causes the ammonia nitrogen, nitrite nitrogen, hydrogen sulfide equal size of water It is higher, water is changed every other day once, and applies biological agent in good time improves substrate, the aquatic environment for keeping juvenile shrimp cultivation pond good;
4)Control water temperature:Culture pond water temperature is controlled at 26~28 DEG C, during juvenile shrimp cultivation, fine day noon gas after mid-April Wen Gao, it is ventilated to raise greenhouse, is cooled, in order to avoid the too high influence juvenile prawn growth of water temperature;
5)Put in a suitable place to breed in time:Early seedling was cultivated by 60-70 days, and juvenile prawn grows to more than 4cm;Mid-term seedling is long through the cultivation of 30~40 days To 2.5-3cm, juvenile prawn 15 days or so May, i.e., is put into the big pool and cultivated by culturing pool natural temperature stabilization more than 20 DEG C;Will Juvenile prawn counts pond-inputting excessively, and water first is reduced into 2/3, then caught with the diddle-net of 20 mesh, in the net cage for being put into 20-30 mesh, after counting excessively The big pool is placed into raise.
Under shrimp seedling during pond, natural bait is abundant, agreeable to the taste in pond, can not feed egg bait, directly tame and docile food with starter diet;In order to Bait utilization is improved, bait is reduced and wastes, food platform can be set in pond, food platform is made square-shaped fishing net with poles as supports shape with the screen cloth of 40 mesh, is placed in Pond surrounding;As eaten up after bait throwing in 2 hours, illustrate that bait throwing in is not enough, need to suitably increase daily ration, feeding quantity;Such as feed bait after 4 hours It is also remaining, then illustrate that bait feeding is excessive, feeding volume should be reduced, to avoid waste and the excessive polluted water of residual bait.
The young of the present invention is grown in 12-14 ‰ brackish water, and the young is abnormal after the 11st time casts off a skin As young shrimp, young shrimp just turn into by 24 hours fresh water acclimatizations can under pool cultivated shrimp seedling --- " desalination seedling ".Just complete desalination 7~8 millimeters of shrimp seedling body length, constitution children is tender, and ingestion ability and resistance against diseases are all weaker, its quality quality to pond-inputting after The success or failure of survival rate or even cultivation suffer from material impact.In order to improve the survival rate of shrimp seedling, it is necessary to build a suitable shrimp seedling The environment of life, is cultivated juvenile prawn, by the construction of shrimp culture pond, the sterilization of culture pond with leveling, planting pasture and water, discharge base Fertilizer, shrimp seedling are put in a suitable place to breed, feeding and management, in the short period of time that shrimp seed rearing is relatively strong, big into adaptability through meticulous feeding and management The juvenile prawn of specification, then carry out into shrimp aquaculture.Extend Macrobrachium rosenbergii culturing time, improve cultured output and benefit;Improve survival rate, Reduce production cost;It is computed correctly daily ration, feeding quantity;Be conducive to putting in a suitable place to breed in batches, alleviate the nervous pressure of shrimp seedling, reduce aquaculture cost.
Embodiment
A kind of Macrobrachium rosenbergii seedling in greenhouse method, comprises the steps:
(One)The construction in juvenile shrimp cultivation pond:
1)Culture pond (greenhouse ditch):Into in shrimp aquaculture pond, select it is leeward on the sunny side and close on excavation greenhouse ditch at water source, to build Convenient management, and matching with greenhouse material in the future, culture pond appropriate gauge is:It is open wide 5~7 meters;Depth 0.9~ 1.1 meters, dig deep 0.6~0.9 meter downwards, country fair is high 0.2 meter;The gradient 0.9~1: 1.5;Depending on length is with culturing pool size, 20 mu of ponds It is 120 meters or so that pond length is cultivated on the pool;
2)The construction of greenhouse:Frame is built in culture pond with steel pipe or bamboo plate etc., and is fixed with iron wire, nylon rope, greenhouse It is 1~1.2 meter to build height;
3)Heating furnace is assembled:The hot water of drinking water boiler is heated by closed hot-water circulation pipe to water, and circulation route is:Tea furnace goes out Mouth → single-phase pipeline pump(350W)→ hot water circuit pipeline(Around bottom of pond one week)→ tea furnace water inlet;
4)Oxygen increasing equipment:φ 40mm dural-phase contrast scans are connected with an air pump(Gas transmission main), some ommatidiums are beaten on pipe and are connected Plastic flexible pipe(Gas transmission branch pipe), the other end of flexible pipe is connected with gas exhausting stone, and gas exhausting stone distribution sets one by every 4~5 square metres, Gas exhausting stone is directly placed into bottom of pond;
5)Other facilities:One, immersible pump, for culture pond water filling, changes water;2~3, thermometer, to grasp water temperature in time Degree;Small concrete boat one, for bait throwing in, fertilising and daily management;
(Two)The sterilization in juvenile shrimp cultivation pond is with leveling:
1)Bleaching powder is sterilized:Greenhouse pond is filled into water, every cube of water body calcium hypochlorite of 30 grams of bleaching powder or quality half dissolves Yu Shuihou uniformly splashes in pond;
2)Lime disinfection:Greenhouse pond is filled into water, every cubic metre carries out full pool spilling head with 150 grams of quick limes are to boil water, by one Week discharges water;
(Three)Transplant pasture and water:After greenhouse is put up and passes through sterilization, 10 days or so plant pasture and water, one big before shrimp seedling pond-inputting Canopy plants two rows, each a line in left and right, 2.5~3.5 meters of line-spacing, 1~2 meter of spacing in the rows;
(Four)Discharge base manure:5-7 days basal dressings before shrimp seedling pond-inputting, the muck of fertilizer fermentation maturity, or fully ferment Rape cake, every square metre of application of organic fertilizers 0.5kg is begun into water and heating, the screen cloth intake with 80 mesh or so after fertilising Filtering, to prevent that wild fishes etc. from entering in pond;
(Five)Shrimp seedling is put in a suitable place to breed:
1)The selection of shrimp seedling:Desalination is complete, and it is not dense that shrimp seedling water mouth tastes saline taste;Body colour is transparent, not rubescent, and form is complete, rule Lattice are neat, and body surface is not less than 0.7cm without attachment, body length;It is movable quick, sensitive are stimulated to current, not the group of beating, can be in polybag It is middle flat to swim, it is uniformly distributed;Close shrimp is healthy and strong, and specification is big, and introduces a collection is good;It is disease-free during nursery, few medication or not medication, bait symbol Young nutritional need is closed, young density is normal;
2)The transport of shrimp seedling:One is that the suitable temperature that shipment shrimp seedling depending on weather, will transport seedling is 20-25 DEG C;Two be shrimp seedling Shipping density will be according to distance, depending on the specification of temperature and shrimp seedling, and 25cm × 25cm × 50cm plastics seedling bag can fill seedling 5000 tails, three be that seedling bag water is identical with former seedling water;
3)Try water:Pool water within temperature reaches more than 20 DEG C, and shrimp seedling is put in a suitable place to breed first 1~2 day, and shrimp seedling is put into net cage or mesh bag and sunk to Culture pond, after 24 hours observe survival rate more than 80%, can just put seedling, in addition to quick lime or bleaching powder, also it is used other The pool mouthful of " medicine of cleaning up the pond ", examination water more than 48 hours;
4)Breeding density:The culture pond of the vinyl house soil boiler heating of use, early stage(March)For the ease of heating, often stand Square meter Shui Ti puts the desalination tail of shrimp seedling 0.4~0.5 ten thousand, cultivates the middle and later periods(After 30 days), the separation dam that get through in the middle of greenhouse ditch will Juvenile prawn point is dilute(0.2 ten thousand tails/m3)Cultivate, improve the survival rate and specification of juvenile shrimp cultivation;Mid-term(April, only with booth thermal insulation not Pacify boiler)Breeding density is 0.3 ten thousand tails/m3;Later stage(After May 15, it is not necessary to be incubated), one is crossed with net in one jiao of shrimp ponds Shrimp seedling is temporarily supported in block sky waters, and breeding density is 0.05 ten thousand tails/m2
5)Shrimp seedling pond-inputting:The water temperature in juvenile shrimp cultivation pond will be increased to the optimum water temperature of Macrobrachium rosenbergii, that is, be not less than 25 DEG C, shrimp seedling fortune During to the pool mouthful, container(Polybag)Interior water temperature is larger with temperature Change, in order to reduce the temperature difference that shrimp seedling is put in a suitable place to breed, before shrimp seedling pond-inputting, The polybag for filling seedling is soaked 15 to 20 minutes in pond, then put in a suitable place to breed;
(Six)Feeding and management:
1)Fertilising cultivates water quality:Want basal dressing in juvenile shrimp cultivation pond, it is ensured that transparency is within 35cm;
2)Bait throwing in:Shrimp seedling entered behind pond in 3-5 days, to feed based on egg bait, i.e., can be added with 0.5 egg daily by every ten thousand tails shrimp seedling A small amount of minced fillet or milk powder, add a small amount of water, water proof boiling more than 20 minutes after stirring;Then with 20 mesh metal mesh filters into small Graininess, and water are uniformly splashed and fed, and are fed daily 6 times;Throwing complete granular mixed feed can be changed after 5 days(Macrobrachium rosenbergii opening Material, gross protein value more than 40%);
3)Water quality management:Change within 5-7 days water once, quantity of exchanged water about 20cm, the temperature difference is no more than 5 DEG C when changing water, and fine day noon changes water;Children Shrimp cultivates the later stage(April 20 to May 10), substrate easily deteriorates, and causes the ammonia nitrogen, nitrite nitrogen, hydrogen sulfide equal size of water It is higher, water is changed every other day once, and applies biological agent in good time improves substrate, the aquatic environment for keeping juvenile shrimp cultivation pond good;
4)Control water temperature:Culture pond water temperature is controlled at 26~28 DEG C, during juvenile shrimp cultivation, fine day noon gas after mid-April Wen Gao, it is ventilated to raise greenhouse, is cooled, in order to avoid the too high influence juvenile prawn growth of water temperature;
5)Put in a suitable place to breed in time:Early seedling was cultivated by 60-70 days, and juvenile prawn grows to more than 4cm;Mid-term seedling is long through the cultivation of 30~40 days To 2.5-3cm, juvenile prawn 15 days or so May, i.e., is put into the big pool and cultivated by culturing pool natural temperature stabilization more than 20 DEG C;Will Juvenile prawn counts pond-inputting excessively, and water first is reduced into 2/3, then caught with the diddle-net of 20 mesh, in the net cage for being put into 20-30 mesh, after counting excessively The big pool is placed into raise.
Under shrimp seedling during pond, natural bait is abundant, agreeable to the taste in pond, can not feed egg bait, directly tame and docile food with starter diet;In order to Bait utilization is improved, bait is reduced and wastes, food platform can be set in pond, food platform is made square-shaped fishing net with poles as supports shape with the screen cloth of 40 mesh, is placed in Pond surrounding;As eaten up after bait throwing in 2 hours, illustrate that bait throwing in is not enough, need to suitably increase daily ration, feeding quantity;Such as feed bait after 4 hours It is also remaining, then illustrate that bait feeding is excessive, feeding volume should be reduced, to avoid waste and the excessive polluted water of residual bait.

Claims (2)

1. a kind of Macrobrachium rosenbergii seedling in greenhouse method, it is characterised in that:Comprise the steps:
(One)The construction in juvenile shrimp cultivation pond:
1)Culture pond (greenhouse ditch):Into in shrimp aquaculture pond, select it is leeward on the sunny side and close on excavation greenhouse ditch at water source, to build Convenient management, and matching with greenhouse material in the future, culture pond appropriate gauge is:It is open wide 5~7 meters;Depth 0.9~ 1.1 meters, dig deep 0.6~0.9 meter downwards, country fair is high 0.2 meter;The gradient 0.9~1: 1.5;Depending on length is with culturing pool size, 20 mu of ponds It is 120 meters or so that pond length is cultivated on the pool;
2)The construction of greenhouse:Frame is built in culture pond with steel pipe or bamboo plate etc., and is fixed with iron wire, nylon rope, greenhouse It is 1~1.2 meter to build height;
3)Heating furnace is assembled:The hot water of drinking water boiler is heated by closed hot-water circulation pipe to water, and circulation route is:Tea furnace goes out Mouth → single-phase pipeline pump(350W)→ hot water circuit pipeline(Around bottom of pond one week)→ tea furnace water inlet;
4)Oxygen increasing equipment:φ 40mm dural-phase contrast scans are connected with an air pump(Gas transmission main), some ommatidiums are beaten on pipe and are connected Plastic flexible pipe(Gas transmission branch pipe), the other end of flexible pipe is connected with gas exhausting stone, and gas exhausting stone distribution sets one by every 4~5 square metres, Gas exhausting stone is directly placed into bottom of pond;
5)Other facilities:One, immersible pump, for culture pond water filling, changes water;2~3, thermometer, to grasp water temperature in time Degree;Small concrete boat one, for bait throwing in, fertilising and daily management;
(Two)The sterilization in juvenile shrimp cultivation pond is with leveling:
1)Bleaching powder is sterilized:Greenhouse pond is filled into water, every cube of water body calcium hypochlorite of 30 grams of bleaching powder or quality half dissolves Yu Shuihou uniformly splashes in pond;
2)Lime disinfection:Greenhouse pond is filled into water, every cubic metre carries out full pool spilling head with 150 grams of quick limes are to boil water, by one Week discharges water;
(Three)Transplant pasture and water:After greenhouse is put up and passes through sterilization, 10 days or so plant pasture and water, one big before shrimp seedling pond-inputting Canopy plants two rows, each a line in left and right, 2.5~3.5 meters of line-spacing, 1~2 meter of spacing in the rows;
(Four)Discharge base manure:5-7 days basal dressings before shrimp seedling pond-inputting, the muck of fertilizer fermentation maturity, or fully ferment Rape cake, every square metre of application of organic fertilizers 0.5kg is begun into water and heating, the screen cloth intake with 80 mesh or so after fertilising Filtering, to prevent that wild fishes etc. from entering in pond;
(Five)Shrimp seedling is put in a suitable place to breed:
1)The selection of shrimp seedling:Desalination is complete, and it is not dense that shrimp seedling water mouth tastes saline taste;Body colour is transparent, not rubescent, and form is complete, rule Lattice are neat, and body surface is not less than 0.7cm without attachment, body length;It is movable quick, sensitive are stimulated to current, not the group of beating, can be in polybag It is middle flat to swim, it is uniformly distributed;Close shrimp is healthy and strong, and specification is big, and introduces a collection is good;It is disease-free during nursery, few medication or not medication, bait symbol Young nutritional need is closed, young density is normal;
2)The transport of shrimp seedling:One is that the suitable temperature that shipment shrimp seedling depending on weather, will transport seedling is 20-25 DEG C;Two be shrimp seedling Shipping density will be according to distance, depending on the specification of temperature and shrimp seedling, and 25cm × 25cm × 50cm plastics seedling bag can fill seedling 5000 tails, three be that seedling bag water is identical with former seedling water;
3)Try water:Pool water within temperature reaches more than 20 DEG C, and shrimp seedling is put in a suitable place to breed first 1~2 day, and shrimp seedling is put into net cage or mesh bag and sunk to Culture pond, after 24 hours observe survival rate more than 80%, can just put seedling, in addition to quick lime or bleaching powder, also it is used other The pool mouthful of " medicine of cleaning up the pond ", examination water more than 48 hours;
4)Breeding density:The culture pond of the vinyl house soil boiler heating of use, early stage(March)For the ease of heating, often stand Square meter Shui Ti puts the desalination tail of shrimp seedling 0.4~0.5 ten thousand, cultivates the middle and later periods(After 30 days), the separation dam that get through in the middle of greenhouse ditch will Juvenile prawn point is dilute(0.2 ten thousand tails/m3)Cultivate, improve the survival rate and specification of juvenile shrimp cultivation;Mid-term(April, only with booth thermal insulation not Pacify boiler)Breeding density is 0.3 ten thousand tails/m3;Later stage(After May 15, it is not necessary to be incubated), one is crossed with net in one jiao of shrimp ponds Shrimp seedling is temporarily supported in block sky waters, and breeding density is 0.05 ten thousand tails/m2
5)Shrimp seedling pond-inputting:The water temperature in juvenile shrimp cultivation pond will be increased to the optimum water temperature of Macrobrachium rosenbergii, that is, be not less than 25 DEG C, shrimp seedling fortune During to the pool mouthful, container(Polybag)Interior water temperature is larger with temperature Change, in order to reduce the temperature difference that shrimp seedling is put in a suitable place to breed, before shrimp seedling pond-inputting, The polybag for filling seedling is soaked 15 to 20 minutes in pond, then put in a suitable place to breed;
(Six)Feeding and management:
1)Fertilising cultivates water quality:Want basal dressing in juvenile shrimp cultivation pond, it is ensured that transparency is within 35cm;
2)Bait throwing in:Shrimp seedling entered behind pond in 3-5 days, to feed based on egg bait, i.e., can be added with 0.5 egg daily by every ten thousand tails shrimp seedling A small amount of minced fillet or milk powder, add a small amount of water, water proof boiling more than 20 minutes after stirring;Then with 20 mesh metal mesh filters into small Graininess, and water are uniformly splashed and fed, and are fed daily 6 times;Throwing complete granular mixed feed can be changed after 5 days(Macrobrachium rosenbergii opening Material, gross protein value more than 40%);
3)Water quality management:Change within 5-7 days water once, quantity of exchanged water about 20cm, the temperature difference is no more than 5 DEG C when changing water, and fine day noon changes water;Children Shrimp cultivates the later stage(April 20 to May 10), substrate easily deteriorates, and causes the ammonia nitrogen, nitrite nitrogen, hydrogen sulfide equal size of water It is higher, water is changed every other day once, and applies biological agent in good time improves substrate, the aquatic environment for keeping juvenile shrimp cultivation pond good;
4)Control water temperature:Culture pond water temperature is controlled at 26~28 DEG C, during juvenile shrimp cultivation, fine day noon gas after mid-April Wen Gao, it is ventilated to raise greenhouse, is cooled, in order to avoid the too high influence juvenile prawn growth of water temperature;
5)Put in a suitable place to breed in time:Early seedling was cultivated by 60-70 days, and juvenile prawn grows to more than 4cm;Mid-term seedling is long through the cultivation of 30~40 days To 2.5-3cm, juvenile prawn 15 days or so May, i.e., is put into the big pool and cultivated by culturing pool natural temperature stabilization more than 20 DEG C;Will Juvenile prawn counts pond-inputting excessively, and water first is reduced into 2/3, then caught with the diddle-net of 20 mesh, in the net cage for being put into 20-30 mesh, after counting excessively The big pool is placed into raise.
2. a kind of Macrobrachium rosenbergii seedling in greenhouse method according to claim 1, it is characterised in that:Under shrimp seedling during pond, Chi Zhong Natural bait is abundant, agreeable to the taste, can not feed egg bait, directly tame and docile food with starter diet;In order to improve bait utilization, bait is reduced Waste, food platform can be set in pond, food platform is made square-shaped fishing net with poles as supports shape with the screen cloth of 40 mesh, is placed in pond surrounding;After such as bait throwing in 2 hours Eat up, illustrate that bait throwing in is not enough, need to suitably increase daily ration, feeding quantity;Such as feed bait after 4 hours and also have residue, then illustrate bait feeding mistake It is many, feeding volume should be reduced, to avoid waste and the excessive polluted water of residual bait.
CN201710040776.XA 2017-01-20 2017-01-20 A kind of Macrobrachium rosenbergii seedling in greenhouse method Pending CN106942106A (en)

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CN107711649A (en) * 2017-12-04 2018-02-23 益阳沾溪罗氏沼虾发展有限公司 A kind of cultural method for improving Macrobrachium rosenbergii survival rate
CN112293321A (en) * 2020-11-02 2021-02-02 安徽红嘉农业科技有限公司 Method for breeding pond macrobrachium rosenbergii
CN113349127A (en) * 2021-07-12 2021-09-07 明光市广源水产养殖专业合作社 Pond macrobrachium rosenbergii breeding facility and breeding method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107711649A (en) * 2017-12-04 2018-02-23 益阳沾溪罗氏沼虾发展有限公司 A kind of cultural method for improving Macrobrachium rosenbergii survival rate
CN112293321A (en) * 2020-11-02 2021-02-02 安徽红嘉农业科技有限公司 Method for breeding pond macrobrachium rosenbergii
CN113349127A (en) * 2021-07-12 2021-09-07 明光市广源水产养殖专业合作社 Pond macrobrachium rosenbergii breeding facility and breeding method

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