CN104823883A - Macrobranchium rosenbergii larvae breeding method - Google Patents
Macrobranchium rosenbergii larvae breeding method Download PDFInfo
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract
The invention relates to a macrobranchium rosenbergii larvae breeding method, and relates to the technical field of aquaculture. The invention provides a macrobranchium rosenbergii breeding method with the advantages of high larvae output rate, high survival rate, high raising nutrition, uniform larvae individual size, clean body surface, no damage or deformity, and increased economic benefit. The method provided by the invention has the advantages of simple operation, low cost, significant effect, and significant economic and social benefits.
Description
Technical field
The present invention relates generally to the method for shrimps genetic breeding, particularly relates to a kind of mating system of Macrobrachium rosenbergii shrimp seedling, belongs to technical field of aquaculture.
Background technology
Macrobrachium rosenbergii (Macrobranchium rosenbergii) has another name called Malaysian prawn, the long-armed prawn of fresh water, money shrimp, large river prawn, for Freshwater shrimps maximum in the world, originate in whole South Asia and south east asia and Oceania is northern and island, Western Pacific, in the fresh water living in these areas the whole year or salt-fresh water waters, and breed in the Hekou Area affected by tidewater.Macrobrachium rosenbergii is individual maximum one in pond crayfish, due to its volume compared with large, feeding habits are wide, disease is few, easy existence, growth is fast, nutrition is good, therefore has important economic worth.
In recent years, Macrobrachium rosenbergii occurs that in seedling reproductive process filial generation is failed to grow up phenomenon, and juvenile prawn grows to 5-6cm and just stops growing, but it is very long that the foot of a chela is grown on the contrary, such shrimp energy normal growth, can not be dead, but result in production declining, waste feed, bring heavy losses to raiser.The appearance of this phenomenon is cultivated mainly due to not focusing on seed shrimp in raiser's seedling raising process, and not seed selection seed shrimp, seedling growing process is lack of standardization.
In brief, Macrobrachium rosenbergii mating system not science, emergence rate in seedling raising process can be caused low, and shrimp seedling lethality is high, causes raiser's underproduction to lose money.
Summary of the invention
The invention provides that a kind of emergence rate is high, survival rate be large, raise that nutrition is high, seed Individual Size is even, body surface cleans, not damaged and deformity, the Macrobrachium rosenbergii mating system of increasing economic efficiency.
According to technical scheme provided by the invention, a kind of mating system of Macrobrachium rosenbergii shrimp seedling, adopts following steps:
Parent shrimp seed selection: annual October, when water temperature drop is to about 20 DEG C, selects qualified seed shrimp from seed multiplication farm and carries out pond culture parent shrimp.Quality requirement: the appearance of shrimp of seeking a marriage alliance is clean, physically fit, appendage is complete, whole body is without focus.Parent's shrimp specification is: female shrimp be 40-60 tail/kilogram; Male shrimp 30-50 tail/kilogram, the second step is crocus; The sex ration of parent shrimp is 3-4: 1.
Relative shrimp overwintering is cultivated: before close shrimp enters pond, first carry out disinfection to winter pond, then put close shrimp in a suitable place to breed, and close shrimp breeding density controls at 30-50/rice
2.In cultivating process, water quality and feed are managed.
Whole building greenhouse chlorine dioxide or potassium permanganate or other disinfectant high concentration are sprayed and are soaked cement pit, and then clean up, ditch and surrounding environment also should be sterilized.If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment.
Breeding density
Overwintering culture in indoor water mud sump, close shrimp breeding density controls at 30-50/rice
2.
Water quality management
In whole During Overwintering Period, require that dissolved oxygen in water is sufficient, every 2 square metres of wintering pond places 1, bubble head, continuously uninterrupted inflation.Overwintering period water temperature controls between 20-23 DEG C, and the temperature difference can not be excessive.Every day soil pick-up 1-2 time, soil pick-up is wanted thoroughly.Changed water every 7-10 days 1 time, optionally quantity of exchanged water 1/3-3/3, change to water temperature difference and be less than 1 DEG C.Keep good water quality.Arrange things concealed, in relative shrimp overwintering pond, dried up 20-50 centimetre, hang 1-2 layer mesh sheet, area accounts for about 50% of pool area, perches, hidden for when close shrimp shell and mating.
Throwing feeding tube is managed
Adopt the way that manufactured feed is combined with fresh food, overwintering period, based on manufactured feed, is aided with screw meat, trash fish block, and the phase increases the ratio of animal bait after incubation.Throw something and feed every day 2 times, when the morning 8 and afternoon 16 time, based on afternoon, rate is raised in day throwing: manufactured feed is 1-1.5%, fresh and alive feed is 3-5%.
Shrimp seed rearing: preparation, close shrimp reinforced cultivating before shrimp seed rearing relates generally to nursery, drag for the young and cloth seedling, nursery water quality management, bait throwing in management and illumination control.
(1) process of outer river: when temperature is lower in the winter time, free of contamination outer river pours into pond, uses quicklime to splash clarification water quality, every mu of consumption 100-200 kilogram in pond, through precipitation and the purification of 30-60 days, for configuring seawater seed rearing after alkalescence disappears.
(2) artificial seawater formula: often prepare 1 ton of seawater and need use following raw material: 10 kilograms, sodium chloride, 3 kilograms, magnesium sulfate, 0.36 kilogram, calcium chloride, 0.18 kilogram, potassium chloride, antifungin 20 grams, depending on heavy metal ion content situation in water, add EDTA-sodium salt 3-5 gram, seawater salinity 10-11 ‰ after configuration.
(3) nursery pond sterilization: with soaking disinfections such as potassium permanganate (concentration 100mL) before nursery, then clean up; If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment.
Parent shrimp reinforced cultivating
(1) close shrimp mating with lay eggs: first 1 month of nursery (by the end of January at the beginning of-2 months), by male and female shrimp and pond, cultivate temperature and progressively bring up to 26-27 DEG C, improve 1 DEG C every day, in the meantime, close shrimp mate and oviposit.In close shrimp mating and between the egg-laying period, need to strengthen nutrition, feed, based on screw meat or fish block, increases feeding volume, increases soil pick-up and changes waterside number, notes the stable and good of water quality.
(2) oogenesis parent shrimp selects and management: in intensification after 1 month, according to nursery scheduling of production, the female shrimp of bosom ovum is selected from the beginning of-3 months February, 1 time is selected every 10-15 days, put into pond by ovum color (grey, red, yellow) classification to cultivate, breeding density 40-50 tail/rice 2, the pond depth of water 0.8 meter, temperature controls at 28-29 DEG C.The shrimp of Grey Egg can hatch juvenile prawn within 1-3 day, after the color transition grey of close shrimp ovum after the cultivation of 5-10 days of red, yellow ovum, in 3 days, discharges the young.
Drag for the young and cloth seedling
(1) young is dragged for: in morning next day of shrimp with ovums hatchling, with 80 orders/time specification yarn tulle cloth make young dredger, pull back in shrimp pond and catch, bailer is with to go out the young with ceramic whiteware washbasin, put into larval culture pond, generally catch through 2-3 time draw, substantially the young hatched for 1 day front in pond is caught light.
(2) cloth seedling: first phase young breeding density controls at every square metre of 8-10 ten thousand tail, desalination seedling output every square metre of 6-8 ten thousand tail.
Nursery water quality management
(1) temperature controls: the young to young shrimp fades out pond, and the whole nurturing period is about 20-25 days.Just entered the young in pond, temperature, at 29 DEG C, heats up 0.5 DEG C, progressively reaches maximum temperature 30-31 DEG C later every day, after larval metamorphosis becomes young shrimp, is reduced to 25-28 DEG C, with young shrimp culture pond temperature close with after desalination.
(2) soil pick-up changes water: nursery pond soil pick-up every day 1-2 time, nursery 1 time in earlier stage, and morning and afternoon middle and later periods is each once, and soil pick-up is wanted thoroughly, to add water in right amount after soil pick-up.
(3) turn over Chi Huanshui: in nursery stage, turn over pond 2-3 time, combine point pond the 1st time and carry out, turn over pond 1 time later every 5 days when cultivation the 6th day, after a large amount of young shrimp appearance in about the 15th day, regulating and controlling water quality is to change water and soil pick-up.
(4) aeration quantity controls: answer less in the aeration quantity in early stage of nursery, in wavy, along with the development growth of Macrobrachium rosenbergii zoea, mobility strengthens, and progressively should strengthen aeration quantity, and cultivate the later stage slightly in boiling-like, gas stone is evenly distributed pond planted agent.
(5) monitoring water quality: every day, the main water quality index to nursery pond water body detected.
Bait throwing in manages
(1) fairy shrimp hatching: hatching pail single volume 0.3-1 cubic meter, incubation temperature are 28-30 DEG C, pH value is 8-9, salinity is 20-25 ‰ (by place of production salinity), put ovum density is 2-5 grams per liter, certain illumination (1000-1500LUX), needs continuous charge.Resting egg was through the hatching of 24-30 hour, and most young hatches, first stopped inflation, at cylinder mouth black cloth shading 10-15 minute, chorion is bubbled through the water column, and artemia nauplii stays centre, go out middle level water body with plastic tube siphon, obtain nauplius through net filter.
(2) egg products make: beat with duck or the fragmentation of chicken raw egg, or add a small amount of fish gruel mixing, Steam by water bath 30 minutes, then with 24 orders/time specification mesh screen make granule, clean rear for subsequent use with clear water.
(3) bait feeding method: the 2nd day morning after cloth seedling, can to throw something and feed fairy shrimp nauplius, certain density is kept in pond, can not occur that halogen worm is out of stock, halogen worm is thrown something and fed number of times 3-4 time, every minor tick 4-6 hour, stop the supple of gas or steam when throwing something and feeding 10 minutes, feeding volume all can be ingested based on the young, and slight surplus is degree, and throws something and feeds in artemia larvae interval.
Illumination controls
Macrobrachium rosenbergii zoea has certain phototaxis, and certain illumination is to ingesting and growing favourable, and seedling cultivation greenhouse illumination controls at 100-3000LUX, and light be avoided too strong.
The desalination of young shrimp
When Macrobrachium rosenbergii zoea is cultivated to 18-20 days, when having the larval metamorphosis of more than 90% to become young shrimp, just can progressively desalinate, first can be reduced by Chi Shui, then progressively inject fresh water, desalination point is carried out for 3 days, reduce salinity 35 ‰ every day, after 3 days, salinity is reduced to less than 3 ‰, temperature drop to cultivating pool or storage pond, holding pond close time, can go out pond sell or enter young shrimp temporarily support the stage.
The invention provides that a kind of emergence rate is high, survival rate be large, raise that nutrition is high, seed Individual Size is even, body surface cleans, not damaged and deformity, the Macrobrachium rosenbergii mating system of increasing economic efficiency.Method of the present invention is simple to operate, and cost is low, Be very effective, has obvious economic benefit and social benefit.
Embodiment
Describe the present invention below in conjunction with embodiment.
A mating system for Macrobrachium rosenbergii shrimp seedling, adopts following steps:
Parent shrimp seed selection: annual October, when water temperature drop is to about 20 DEG C, selects qualified seed shrimp from seed multiplication farm and carries out pond culture parent shrimp.Quality requirement: the appearance of shrimp of seeking a marriage alliance is clean, physically fit, appendage is complete, whole body is without focus.Parent's shrimp specification is: female shrimp be 40-60 tail/kilogram; Male shrimp 30-50 tail/kilogram, the second step is crocus; The sex ration of parent shrimp is 3-4: 1.
Relative shrimp overwintering is cultivated: before close shrimp enters pond, first carry out disinfection to winter pond, then put close shrimp in a suitable place to breed, and close shrimp breeding density controls at 30-50/rice
2.In cultivating process, water quality and feed are managed.
Whole building greenhouse chlorine dioxide or potassium permanganate or other disinfectant high concentration are sprayed and are soaked cement pit, and then clean up, ditch and surrounding environment also should be sterilized.If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment.
Breeding density
Overwintering culture in indoor water mud sump, close shrimp breeding density controls at 30-50/rice
2.
Water quality management
In whole During Overwintering Period, require that dissolved oxygen in water is sufficient, every 2 square metres of wintering pond places 1, bubble head, continuously uninterrupted inflation.Overwintering period water temperature controls between 20-23 DEG C, and the temperature difference can not be excessive.Every day soil pick-up 1-2 time, soil pick-up is wanted thoroughly.Changed water every 7-10 days 1 time, optionally quantity of exchanged water 1/3-3/3, change to water temperature difference and be less than 1 DEG C.Keep good water quality.Arrange things concealed, in relative shrimp overwintering pond, dried up 20-50cm, hang 1-2 layer mesh sheet, area accounts for about 50% of pool area, perches, hidden for when close shrimp shell and mating.
Throwing feeding tube is managed
Adopt the way that manufactured feed is combined with fresh food, overwintering period, based on manufactured feed, is aided with screw meat, trash fish block, and the phase increases the ratio of animal bait after incubation.Throw something and feed every day 2 times, when the morning 8 and afternoon 16 time, based on afternoon, rate is raised in day throwing: manufactured feed is 1-1.5%, fresh and alive feed is 3-5%.
Shrimp seed rearing: preparation, close shrimp reinforced cultivating before shrimp seed rearing relates generally to nursery, drag for the young and cloth seedling, nursery water quality management, bait throwing in management and illumination control.
(1) process of outer river: when temperature is lower in the winter time, free of contamination outer river pours into pond, uses quicklime to splash clarification water quality, every mu of consumption 100-200 kilogram in pond, through precipitation and the purification of 30-60 days, for configuring seawater seed rearing after alkalescence disappears.
(2) artificial seawater formula: often prepare 1 ton of seawater and need use following raw material: 10 kilograms, sodium chloride, 3 kilograms, magnesium sulfate, 0.36 kilogram, calcium chloride, 0.18 kilogram, potassium chloride, antifungin 20 grams, depending on heavy metal ion content situation in water, add EDTA-sodium salt 3-5 gram, seawater salinity 10-11 ‰ after configuration.
(3) nursery pond sterilization: with soaking disinfections such as potassium permanganate (concentration 100mL) before nursery, then clean up; If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment.
Parent shrimp reinforced cultivating
(1) close shrimp mating with lay eggs: first 1 month of nursery (by the end of January at the beginning of-2 months), by male and female shrimp and pond, cultivate temperature and progressively bring up to 26-27 DEG C, improve 1 DEG C every day, in the meantime, close shrimp mate and oviposit.In close shrimp mating and between the egg-laying period, need to strengthen nutrition, feed, based on screw meat or fish block, increases feeding volume, increases soil pick-up and changes waterside number, notes the stable and good of water quality.
(2) oogenesis parent shrimp selects and management: in intensification after 1 month, according to nursery scheduling of production, the female shrimp of bosom ovum is selected from the beginning of-3 months February, 1 time is selected every 10-15 days, put into pond by ovum color (grey, red, yellow) classification to cultivate, breeding density 40-50 tail/rice 2, the pond depth of water 0.8 meter, temperature controls at 28-29 DEG C.The shrimp of Grey Egg can hatch juvenile prawn within 1-3 day, after the color transition grey of close shrimp ovum after the cultivation of 5-10 days of red, yellow ovum, in 3 days, discharges the young.
Drag for the young and cloth seedling
(1) young is dragged for: in morning next day of shrimp with ovums hatchling, with 80 orders/time specification yarn tulle cloth make young dredger, pull back in shrimp pond and catch, bailer is with to go out the young with ceramic whiteware washbasin, put into larval culture pond, generally catch through 2-3 time draw, substantially the young hatched for 1 day front in pond is caught light.
(2) cloth seedling: first phase young breeding density controls at every square metre of 8-10 ten thousand tail, desalination seedling output every square metre of 6-8 ten thousand tail.
Nursery water quality management
(1) temperature controls: the young to young shrimp fades out pond, and the whole nurturing period is about 20-25 days.Just entered the young in pond, temperature, at 29 DEG C, heats up 0.5 DEG C, progressively reaches maximum temperature 30-31 DEG C later every day, after larval metamorphosis becomes young shrimp, is reduced to 25-28 DEG C, with young shrimp culture pond temperature close with after desalination.
(2) soil pick-up changes water: nursery pond soil pick-up every day 1-2 time, nursery 1 time in earlier stage, and morning and afternoon middle and later periods is each once, and soil pick-up is wanted thoroughly, to add water in right amount after soil pick-up.
(3) turn over Chi Huanshui: in nursery stage, turn over pond 2-3 time, combine point pond the 1st time and carry out, turn over pond 1 time later every 5 days when cultivation the 6th day, after a large amount of young shrimp appearance in about the 15th day, regulating and controlling water quality is to change water and soil pick-up.
(4) aeration quantity controls: answer less in the aeration quantity in early stage of nursery, in wavy, along with the development growth of Macrobrachium rosenbergii zoea, mobility strengthens, and progressively should strengthen aeration quantity, and cultivate the later stage slightly in boiling-like, gas stone is evenly distributed pond planted agent.
(5) monitoring water quality: every day, the main water quality index to nursery pond water body detected.
Bait throwing in manages
(1) fairy shrimp hatching: hatching pail single volume 0.3-1 cubic meter, incubation temperature are 28-30 DEG C, pH value is 8-9, salinity is 20-25 ‰ (by place of production salinity), put ovum density is 2-5 gram/L, certain illumination (1000-1500LUX), needs continuous charge.Resting egg was through the hatching of 24-30 hour, and most young hatches, first stopped inflation, at cylinder mouth black cloth shading 10-15 minute, chorion is bubbled through the water column, and artemia nauplii stays centre, go out middle level water body with plastic tube siphon, obtain nauplius through net filter.
(2) egg products make: beat with duck or the fragmentation of chicken raw egg, or add a small amount of fish gruel mixing, Steam by water bath 30 minutes, then with 24 orders/time specification mesh screen make granule, clean rear for subsequent use with clear water.
(3) bait feeding method: the 2nd day morning after cloth seedling, can to throw something and feed fairy shrimp nauplius, certain density is kept in pond, can not occur that halogen worm is out of stock, halogen worm is thrown something and fed number of times 3-4 time, every minor tick 4-6 hour, stop the supple of gas or steam when throwing something and feeding 10 minutes, feeding volume all can be ingested based on the young, and slight surplus is degree, and throws something and feeds in artemia larvae interval.
Illumination controls
Macrobrachium rosenbergii zoea has certain phototaxis, and certain illumination is to ingesting and growing favourable, and seedling cultivation greenhouse illumination controls at 100-3000LUX, and light be avoided too strong.
The desalination of young shrimp
When Macrobrachium rosenbergii zoea is cultivated to 18-20 days, when having the larval metamorphosis of more than 90% to become young shrimp, just can progressively desalinate, first can be reduced by Chi Shui, then progressively inject fresh water, desalination point is carried out for 3 days, reduce salinity 35 ‰ every day, after 3 days, salinity is reduced to less than 3 ‰, temperature drop to cultivating pool or storage pond, holding pond close time, can go out pond sell or enter young shrimp temporarily support the stage.
Claims (1)
1. a mating system for Macrobrachium rosenbergii shrimp seedling, is characterized in that adopting following steps:
One, close shrimp seed selection: annual October, when water temperature drop is to about 20 DEG C, selects qualified seed shrimp from seed multiplication farm and carries out pond culture parent shrimp; Quality requirement: the appearance of shrimp of seeking a marriage alliance is clean, physically fit, appendage is complete, whole body is without focus; Parent's shrimp specification is: female shrimp be 40-60 tail/kilogram; Male shrimp 30-50 tail/kilogram, the second step is crocus; The sex ration of parent shrimp is 3-4: 1;
Relative shrimp overwintering is cultivated: before close shrimp enters pond, first carry out disinfection to winter pond, then put close shrimp in a suitable place to breed, and close shrimp breeding density controls at 30-50/rice
2; In cultivating process, water quality and feed are managed;
Whole building greenhouse chlorine dioxide or potassium permanganate or other disinfectant high concentration are sprayed and are soaked cement pit, and then clean up, ditch and surrounding environment also should be sterilized; If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment;
Two, breeding density
Overwintering culture in indoor water mud sump, close shrimp breeding density controls at 30-50/rice
2;
Three, water quality management
In whole During Overwintering Period, require that dissolved oxygen in water is sufficient, every 2 square metres of wintering pond places 1, bubble head, continuously uninterrupted inflation; Overwintering period water temperature controls between 20-23 DEG C, and the temperature difference can not be excessive; Every day soil pick-up 1-2 time, soil pick-up is wanted thoroughly; Changed water every 7-10 days 1 time, optionally quantity of exchanged water 1/3-3/3, change to water temperature difference and be less than 1 DEG C; Keep good water quality; Things concealed is set, in relative shrimp overwintering pond, dried up 20-50 centimetre, hang 1-2 layer mesh sheet, area accounts for about 50% of pool area, perches, hidden for when close shrimp shell and mating;
Four, feeding tube reason is thrown
Adopt the way that manufactured feed is combined with fresh food, overwintering period, based on manufactured feed, is aided with screw meat, trash fish block, and the phase increases the ratio of animal bait after incubation; Throw something and feed every day 2 times, when the morning 8 and afternoon 16 time, based on afternoon, rate is raised in day throwing: manufactured feed is 1-1.5%, fresh and alive feed is 3-5%;
Five, shrimp seed rearing: preparation, close shrimp reinforced cultivating before shrimp seed rearing relates generally to nursery, drag for the young and cloth seedling, nursery water quality management, bait throwing in management and illumination control;
(1) process of outer river: when temperature is lower in the winter time, free of contamination outer river pours into pond, uses quicklime to splash clarification water quality, every mu of consumption 100-200 kilogram in pond, through precipitation and the purification of 30-60 days, for configuring seawater seed rearing after alkalescence disappears;
(2) artificial seawater formula: often prepare 1 ton of seawater and need use following raw material: 10 kilograms, sodium chloride, 3 kilograms, magnesium sulfate, 0.36 kilogram, calcium chloride, 0.18 kilogram, potassium chloride, antifungin 20 grams, depending on heavy metal ion content situation in water, add EDTA-sodium salt 3-5 gram, seawater salinity 10-11 ‰ after configuration;
(3) nursery pond sterilization: with soaking disinfections such as potassium permanganate (concentration 100mL) before nursery, then clean up; If newly-built cement pit, need water soaking more than 30 days, also can acid adding immersion treatment;
Six, close shrimp reinforced cultivating
(1) close shrimp mating with lay eggs: first 1 month of nursery (by the end of January at the beginning of-2 months), by male and female shrimp and pond, cultivate temperature and progressively bring up to 26-27 DEG C, improve 1 DEG C every day, in the meantime, close shrimp mate and oviposit; In close shrimp mating and between the egg-laying period, need to strengthen nutrition, feed, based on screw meat or fish block, increases feeding volume, increases soil pick-up and changes waterside number, notes the stable and good of water quality;
(2) oogenesis parent shrimp selects and management: in intensification after 1 month, according to nursery scheduling of production, from the beginning of-3 months February, select the female shrimp of bosom ovum, selected 1 time every 10-15 days, put into pond by ovum color (grey, red, yellow) classification to cultivate, breeding density 40-50 tail/rice
2, the pond depth of water 0.8 meter, temperature controls at 28-29 DEG C; The shrimp of Grey Egg can hatch juvenile prawn within 1-3 day, after the color transition grey of close shrimp ovum after the cultivation of 5-10 days of red, yellow ovum, in 3 days, discharges the young;
Seven, the young and cloth seedling is dragged for
(1) young is dragged for: in morning next day of shrimp with ovums hatchling, with 80 orders/time specification yarn tulle cloth make young dredger, pull back in shrimp pond and catch, bailer is with to go out the young with ceramic whiteware washbasin, put into larval culture pond, generally catch through 2-3 time draw, substantially the young hatched for 1 day front in pond is caught light;
(2) cloth seedling: first phase young breeding density controls at every square metre of 8-10 ten thousand tail, desalination seedling output every square metre of 6-8 ten thousand tail;
Eight, nursery water quality management
(1) temperature controls: the young to young shrimp fades out pond, and the whole nurturing period is about 20-25 days; Just entered the young in pond, temperature, at 29 DEG C, heats up 0.5 DEG C, progressively reaches maximum temperature 30-31 DEG C later every day, after larval metamorphosis becomes young shrimp, is reduced to 25-28 DEG C, with young shrimp culture pond temperature close with after desalination;
(2) soil pick-up changes water: nursery pond soil pick-up every day 1-2 time, nursery 1 time in earlier stage, and morning and afternoon middle and later periods is each once, and soil pick-up is wanted thoroughly, to add water in right amount after soil pick-up;
(3) turn over Chi Huanshui: in nursery stage, turn over pond 2-3 time, combine point pond the 1st time and carry out, turn over pond 1 time later every 5 days when cultivation the 6th day, after a large amount of young shrimp appearance in about the 15th day, regulating and controlling water quality is to change water and soil pick-up;
(4) aeration quantity controls: answer less in the aeration quantity in early stage of nursery, in wavy, along with the development growth of Macrobrachium rosenbergii zoea, mobility strengthens, and progressively should strengthen aeration quantity, and cultivate the later stage slightly in boiling-like, gas stone is evenly distributed pond planted agent;
(5) monitoring water quality: every day, the main water quality index to nursery pond water body detected;
Nine, bait throwing in management
(1) fairy shrimp hatching: hatching pail single volume 0.3-1 cubic meter, incubation temperature are 28-30 DEG C, pH value is 8-9, salinity is 20-25 ‰ (by place of production salinity), put ovum density is 2-5 grams per liter, certain illumination (1000-1500LUX), needs continuous charge; Resting egg was through the hatching of 24-30 hour, and most young hatches, first stopped inflation, at cylinder mouth black cloth shading 10-15 minute, chorion is bubbled through the water column, and artemia nauplii stays centre, go out middle level water body with plastic tube siphon, obtain nauplius through net filter;
(2) egg products make: beat with duck or the fragmentation of chicken raw egg, or add a small amount of fish gruel mixing, Steam by water bath 30 minutes, then with 24 orders/time specification mesh screen make granule, clean rear for subsequent use with clear water;
(3) bait feeding method: the 2nd day morning after cloth seedling, can to throw something and feed fairy shrimp nauplius, certain density is kept in pond, can not occur that halogen worm is out of stock, halogen worm is thrown something and fed number of times 3-4 time, every minor tick 4-6 hour, stop the supple of gas or steam when throwing something and feeding 10 minutes, feeding volume all can be ingested based on the young, and slight surplus is degree, and throws something and feeds in artemia larvae interval;
Ten, illumination controls
Macrobrachium rosenbergii zoea has certain phototaxis, and certain illumination is to ingesting and growing favourable, and seedling cultivation greenhouse illumination controls at 100-3000LUX, and light be avoided too strong;
11, the desalination of young shrimp
When Macrobrachium rosenbergii zoea is cultivated to 18-20 days, when having the larval metamorphosis of more than 90% to become young shrimp, just can progressively desalinate, first can be reduced by Chi Shui, then progressively inject fresh water, desalination point is carried out for 3 days, reduce salinity 35 ‰ every day, after 3 days, salinity is reduced to less than 3 ‰, temperature drop to cultivating pool or storage pond, holding pond close time, can go out pond sell or enter young shrimp temporarily support the stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168998.0A CN104823883A (en) | 2015-04-07 | 2015-04-07 | Macrobranchium rosenbergii larvae breeding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168998.0A CN104823883A (en) | 2015-04-07 | 2015-04-07 | Macrobranchium rosenbergii larvae breeding method |
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| CN105340801A (en) * | 2015-11-24 | 2016-02-24 | 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 | Pond polyculture method for clams, fishes, shrimps and crabs |
| CN105340799A (en) * | 2015-11-06 | 2016-02-24 | 江苏省农业科学院宿迁农科所 | Artificial cultivation method of red-stripe lysmata vittata larvae |
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| CN105557601A (en) * | 2016-03-14 | 2016-05-11 | 上海市水产研究所 | Scatophagus argus and macrobrachium rosenbergii intercropping overwintering mode |
| CN105660465A (en) * | 2016-01-15 | 2016-06-15 | 霍山县安绿园农业发展有限公司 | Artificial young lobster breeding method |
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| CN107279002A (en) * | 2017-07-03 | 2017-10-24 | 安徽嘉丰水产种苗科技有限公司 | A kind of Macrobrachium rosenbergii breeding seedling mating system |
| CN107279009A (en) * | 2017-08-16 | 2017-10-24 | 山东省海洋生物研究院 | A kind of method that Macrobrachium rosenbergii hatching is bred |
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| CN108719155A (en) * | 2018-05-29 | 2018-11-02 | 广西壮族自治区水产科学研究院 | A kind of method of paddy field aquaculture Macrobrachium rosenbergii |
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| CN105557601A (en) * | 2016-03-14 | 2016-05-11 | 上海市水产研究所 | Scatophagus argus and macrobrachium rosenbergii intercropping overwintering mode |
| CN105941315A (en) * | 2016-05-20 | 2016-09-21 | 王纪芝 | Three-dimensional circulating breeding method of beef cattle and crawfish |
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| CN105994042A (en) * | 2016-05-30 | 2016-10-12 | 铜陵东晟生态农业科技有限公司 | Prawn breeding method |
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| CN107751067A (en) * | 2017-11-07 | 2018-03-06 | 华南师范大学 | A kind of mating system of all-male Macrobrachium rosenbergii |
| CN111655030A (en) * | 2017-12-01 | 2020-09-11 | 斯托芬菲库有限责任公司 | Aquaculture method for producing salmon eggs |
| CN108719155A (en) * | 2018-05-29 | 2018-11-02 | 广西壮族自治区水产科学研究院 | A kind of method of paddy field aquaculture Macrobrachium rosenbergii |
| CN109258531A (en) * | 2018-09-10 | 2019-01-25 | 戴大喜 | A kind of screening technique of Luo pond crayfish fries |
| CN110199925A (en) * | 2019-05-08 | 2019-09-06 | 浙江省海洋水产养殖研究所 | A kind of group breeding method of the new prawn fast-growing strain of knife volume |
| CN110199926A (en) * | 2019-05-08 | 2019-09-06 | 浙江省海洋水产养殖研究所 | A kind of method of the new prawn large-scale artificial breeding of knife volume |
| CN110199925B (en) * | 2019-05-08 | 2021-07-20 | 浙江省海洋水产养殖研究所 | A population breeding method of fast-growing strains of new penaeus knives |
| CN110199926B (en) * | 2019-05-08 | 2021-07-20 | 浙江省海洋水产养殖研究所 | A method for large-scale artificial breeding of new prawns |
| CN110881431A (en) * | 2019-12-16 | 2020-03-17 | 海南晨海水产有限公司 | Sectional type high-yield breeding method for white shrimps |
| CN111657196A (en) * | 2020-07-13 | 2020-09-15 | 中国水产科学研究院珠江水产研究所 | Macrobrachium rosenbergii larva breeding method |
| CN112293322A (en) * | 2020-11-26 | 2021-02-02 | 武汉新河湾农业科技有限公司 | Improved variety breeding method for shrimp larvae |
| CN116349629A (en) * | 2023-04-25 | 2023-06-30 | 浙江省淡水水产研究所 | A method for indoor intensive cultivation of Macrobrachium rosenbergii species |
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