CN104719215A - Young-tor-brevifilis net cage ecological breeding method - Google Patents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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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
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- 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 discloses a young-tor-brevifilis net cage ecological breeding method. The young-tor-brevifilis net cage ecological breeding method includes the following steps: A, modifying a pond; B, arranging net cages; C, drying the bottom in the sun, and carrying out disinfecting, wherein water in the pond is drained in winter, the bottom is dried in the sun for more than one month till the bottom of the pond is cracked, then water is added into the pond to be in the depth ranging from 18 cm to 22 cm, and 90 kg to 110 kg of quick lime per 667 square meters is used for making solutions to be scattered for disinfection; D, creating an ecological environment, wherein at the time ten days after disinfection, water plants are planted in the pond in the mode that multiple varieties are planted in a mixed mode at intervals, the water plant planting area is 18% to 22% of the total area of the pond, and the water plants in the varieties include the elodea, the hydrilla varticillata and the tape grass; E, enabling the water in the pond to flow, wherein every day is divided into four periods when aerator pipes are started, the total starting time is 12 hours, and water is supplied from a water inlet from ten o'clock to sixteen o'clock every day to form micro water flow stimulation; F, enriching the water, and cultivating baits; G, placing young tor brevifilises into the net cages; G, managing feeding; I, carrying out daily management. By means of the young-tor-brevifilis net cage ecological breeding method, the body surfaces of the young tor brevifilises are stimulated through micro water flow to promote growth of the young tor brevifilises, and the breeding period is shortened.
Description
Technical field
The present invention relates to technical field of aquaculture, particularly relate to a kind of lobe knot fry kind net cage biological breeding method.
Background technology
Lobe knot fish belongs to Osteichthyes, Cypriniformes, Cyprinidae, Barbinae, and fish belongs to knot, lobe knot fish subgenus.Be commonly called as: Kazakhstan department, heavy mouth, Ma Zui, cured huge.Lobe knot fish is the middle lower floor fish moved in limpid flowing water, and build is streamlined, head point, and fin is good for, and do good one of fish of swimming.It passes through through being everlasting between water-bed stone riprap, sucks at the bottom of river and on stone face with tubaeform retractile large mouth, with the fragment of benthic mollusc, aquatic insect and larva thereof, plant and thread algae for food.Lobe knot fish is a kind of medium-sized economic freshwater fish, and be distributed on the south ChangJiang River, Pearl River system, be the economic fish that producing region is common, it is Fresh & Tender in Texture, be people institute eating, and fat content is high, and growth is very fast, has higher Fishery value.But the growth rate that often increases weight in lobe knot fry kind cultivating process is undesirable.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of lobe knot fry kind net cage biological breeding method, adopt the mode that unlatching aeration tube and water inlet discharge water, to form micro-stimulation by running water fry body surface, promote fry growth, improve weightening finish growth rate, Shortening culturing period.
A kind of lobe knot fry kind net cage biological breeding method that the present invention proposes, comprises the steps:
A, pond transformation: the intake-outlet journey diagonal row in pond, water inlet is provided with 80 object screen packs;
B, net cage is set: net cage is the hexahedron be made by 40 order polythene nets, and cage size is 8 × 3 × 1m, net cage open top, all the other five face closures, and bottom net cage, fixed placement aeration tube is to provide oxygen; Net cage is arranged on the smooth place of pond physical features, and be provided with the bamboo frame of Shading net covering directly over net cage, net cage top is fixed on timber, and sinker made by the corner bottom net cage and diagonal mid point system common brick, fully to launch etting, from 15-20cm at the bottom of pond at the bottom of case;
C, the sterilization of the solarization end: winter drains Chi Shui, shine at the more than one month, end to pond and chap; Then add water 18-22cm, every 667m in pond
2to splash sterilization with quicklime 90-110kgization water;
D, construction ecotope: sterilize after 10 days, in pond, plant pasture and water according to the mode of multi items interval miscegenation, pasture and water cultivated area accounts for the 18-22% of the pond gross area, and wherein pasture and water kind is waterweed, hydrilla verticillata and eel grass;
E, pond flowing water: be divided into every day open aeration tube 4 periods, be followed successively by 4 o'clock to 8 o'clock, 12 o'clock to 14 o'clock, at 17 o'clock to 20 o'clock, to some next day 1, open 12h altogether at 22; Every day, water inlet discharged water to form micro-stimulation by running water from 10 o'clock to 16 o'clock;
F, rich water training bait: under seed before the pool 1 week, is filled to depth of water 0.6-1m, discharges muck after colza cake and fermentation in pond, then in pond supplementary algae, be filled to depth of water 1.1-1.4m, in pond, discharge MAP;
G, seed inlet: select fine day to put seedling the morning, the front mass fraction of fry inlet is the saline solution soaking disinfection 3-5min of 4-6wt%, and each net cage puts seedling density at 4500-5000 tail/m
2; Discharged water by aeration tube and water inlet in time after putting seedling and form miniflow water;
H, management of throwing something and feeding: before taming and dociling food, adopt the mode of water quality of fostering and apply fertilizer, and according to a small amount of fertilization principle repeatedly, every first quarter moon fertilising once, executes bio-fertilizer 28-32kg at every turn, a yolk of respectively splashing in each net cage every morning, afternoon, uses 5-7 yolk at every turn; After taming and dociling food, adopt mixed bait, every morning, afternoon respectively throw something and feed once, day feeding volume be the 6-8% of lobe knot fish body weight;
I, daily management: within every 15 days, use microorganism formulation improvement water quality, and regular supplementary fertilizer, maintenance water transparency is 15-23cm; Duty patrols case, notes observing the activity of heavy oral lobe knot fish, situation of ingesting, and makes regular check on net cage, prevents net cage breakage from escaping; Cleaned once every 1 month to net cage body, every 15d 19-21mg/L quicklime slurrying full pool spilling head.
Water inlet is provided with 80 object screen packs, can prevent wild fishes from entering pond.
In pond, plant pasture and water according to the mode of multi items interval miscegenation, be not only and build graceful ecotope, the outburst of bacteriosis can also be reduced.
In rich water training bait process, colza cake full pool spilling head, the rear muck of fermentation should be put woven bag into and be soaked in water.
Bio-fertilizer is by microbial life activity, makes crops obtain the goods of specific fertilizer effect, is also referred to as Inoculant or bacterial manure, and itself containing nutritive element, can not replace chemical fertilizer.
Yolk of splashing is specially: with hand, yolk is twisted into powder, and every morning, afternoon respectively splash once.
Secondary powder, also known as black flour, bloom, below or third-class powder etc., is the part between flour and wheat bran, is take wheat seed as one of by product of obtaining after raw material grinds various flour.Why be called " secondary powder " and refer to that mouthfeel is poor when proposing human consumption, and do not mean that and be of low nutritive value.
Preferably, the specification in pond is 50m × 30m, the dark 1.5m in pond, and bottom sludge thickness is 23-27cm.
Preferably, aeration tube is microporous pipeline aeration tubulose aeration tube.
Preferably, waterweed adopts stem cuttage to transplant, and hydrilla verticillata adopts branch point to carry and broadcasts method, and eel grass adopts the method that scatters seeds.
Preferably, in rich water training bait process, under seed before the pool 1 week, be filled to depth of water 0.6-1m, discharge in pond 48-52kg colza cake and 95-105kg fermentation after muck, then in pond supplement algae, be filled to depth of water 1.1-1.4m, in pond, discharge 4.5-5.5kg MAP.
Preferably, in seed inlet process, be 5-8ind/ml when food organisms in the water of pond and after water stabilization, breed fish fry.
Preferably, throw something and feed in management process, the preparation method of mixed bait is as follows: by weight by after 20-25 part fish meal, 10-20 part digested tankage, 15-25 part soya-bean cake, 15-20 part dish dregs of rice, 5-9 part cotton dregs, 30-35 part wheat bran, 25-35 part rice bran, 3-6 part soybean lecithin, 20-30 part time powder and 8-12 part premix mixing, pulverize, granulation, drying obtains mixed bait.
The present invention, by selecting pond and net cage, ensure that the fry living environment in net cage is good, before placement net cage, shines the pool, remove the residual bait bottom fish pond to the cleaning of cultivation pond, ight soil, wild fishes shrimp, plankton, pasture and water, Tibetan mud biology and other benthons are (as shellfish, spiral shell), humus, reduces bottom organics and decomposes oxygen consumption, and can improve water quality, reduces organic fermentation and produces ammonia, hydrogen sulphide, the pernicious gases such as methane, also utilize ultraviolet to kill various virus, bacterium and parasite etc., reduce pathogeny, create good environment, reduce the incidence of disease of fish, highly basic slaked lime is generated again by quicklime water, and release a large amount of heat, its hydroxide ion can make the pH value of Chi Shui bring up to more than 11 at short notice, thus sterilizing and the object of killing harmful organisms can be reached rapidly further, and slaked lime and carbon dioxide reaction generate calcium carbonate, make the structure that the mud bottom fish pond becomes loose, improve mud aeration condition, accelerate bed mud organic matter decomposition, add the metathesis of calcium, discharge the nitrogen adsorbed by mud, phosphorus, the nutrients such as potassium, make Chi Shui grow fat, and can play the effect of fertilising indirectly, in pond, plant pasture and water according to the mode of multi items interval miscegenation, be not only and build graceful ecotope, the outburst of bacteriosis can also be reduced, fry adopts salt solution to soak before putting in a suitable place to breed, to kill the microorganism of fry body surface, reduces the ill probability of fry, unlatching aeration tube and water inlet discharge water to form micro-stimulation by running water fry body surface, promote fry growth, adopt the mode of foster and apply fertilizer water quality and yolk of throwing something and feeding before taming and dociling food, promote plankton breeding, yolk of simultaneously throwing something and feeding, the feed of supply fry, promotes the feed of fry opening, adopt mixed bait after taming and dociling food, significantly can reduce aquaculture cost.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of lobe knot fry kind net cage biological breeding method that the present invention proposes, comprises the steps:
A, pond transformation: the specification in pond is 50m × 30m, the dark 1.5m in pond, and bottom sludge thickness is 23cm, the intake-outlet journey diagonal row in pond, and water inlet is provided with 80 object screen packs;
B, net cage is set: net cage is the hexahedron be made by 40 order polythene nets, and cage size is 8 × 3 × 1m, net cage open top, all the other five face closures, and bottom net cage, fixed placement microporous pipeline aeration tubulose aeration tube is to provide oxygen; Net cage is arranged on the smooth place of pond physical features, and be provided with the bamboo frame of Shading net covering directly over net cage, net cage top is fixed on timber, and sinker made by the corner bottom net cage and diagonal mid point system common brick, fully to launch etting, from 20cm at the bottom of pond at the bottom of case;
C, the sterilization of the solarization end: winter drains Chi Shui, shine at the more than one month, end to pond and chap; Then add water 18cm, every 667m in pond
2to splash sterilization with quicklime 110kgization water;
D, construction ecotope: sterilize after 10 days, pasture and water are planted according to the mode of multi items interval miscegenation in pond, pasture and water cultivated area accounts for 18% of the pond gross area, wherein pasture and water kind is waterweed, hydrilla verticillata and eel grass, wherein waterweed adopts stem cuttage to transplant, hydrilla verticillata adopts branch point to carry and broadcasts method, and eel grass adopts the method that scatters seeds;
E, pond flowing water: be divided into every day open aeration tube 4 periods, be followed successively by 4 o'clock to 8 o'clock, 12 o'clock to 14 o'clock, at 17 o'clock to 20 o'clock, to some next day 1, open 12h altogether at 22; Every day, water inlet discharged water to form micro-stimulation by running water from 10 o'clock to 16 o'clock;
F, rich water training bait: under seed before the pool 1 week, is filled to depth of water 1m, discharges muck after 48kg colza cake and 105kg fermentation in pond, then in pond supplementary algae, be filled to depth of water 1.1m, in pond, discharge 5.5kg MAP;
G, seed inlet: when food organisms in the water of pond are 5ind/ml and after water stabilization, select fine day to put seedling the morning, the front mass fraction of fry inlet is the saline solution soaking disinfection 3min of 6wt%, and each net cage puts seedling density at 5000 tails/m
2; Discharged water by aeration tube and water inlet in time after putting seedling and form miniflow water;
H, management of throwing something and feeding: before taming and dociling food, adopt the mode of water quality of fostering and apply fertilizer, and according to a small amount of fertilization principle repeatedly, every first quarter moon fertilising once, executes bio-fertilizer 28kg at every turn, a yolk of respectively splashing in each net cage every morning, afternoon, uses 7 yolk at every turn; After taming and dociling food, adopt mixed bait, every morning, afternoon respectively throw something and feed once, day feeding volume is 6% of lobe knot fish body weight, the preparation method of mixed bait is as follows: by weight by after 25 parts of fish meal, 10 parts of digested tankages, 25 portions of soya-bean cakes, 15 parts of dish dregs of rice, 9 parts of cotton dregs, 30 parts of wheat brans, 35 parts of rice brans, 3 parts of soybean lecithins, 30 parts powder and 8 parts of premix mixing, pulverize, granulation, drying obtains mixed bait;
I, daily management: within every 15 days, use microorganism formulation improvement water quality, and regular supplementary fertilizer, maintenance water transparency is 23cm; Duty patrols case, notes observing the activity of heavy oral lobe knot fish, situation of ingesting, and makes regular check on net cage, prevents net cage breakage from escaping; Cleaned once every 1 month to net cage body, every 15d 19mg/L quicklime slurrying full pool spilling head.
Embodiment 2
A kind of lobe knot fry kind net cage biological breeding method that the present invention proposes, comprises the steps:
A, pond transformation: the specification in pond is 50m × 30m, the dark 1.5m in pond, and bottom sludge thickness is 25cm, the intake-outlet journey diagonal row in pond, and water inlet is provided with 80 object screen packs;
B, net cage is set: net cage is the hexahedron be made by 40 order polythene nets, and cage size is 8 × 3 × 1m, net cage open top, all the other five face closures, and bottom net cage, fixed placement microporous pipeline aeration tubulose aeration tube is to provide oxygen; Net cage is arranged on the smooth place of pond physical features, and be provided with the bamboo frame of Shading net covering directly over net cage, net cage top is fixed on timber, and sinker made by the corner bottom net cage and diagonal mid point system common brick, fully to launch etting, from 18cm at the bottom of pond at the bottom of case;
C, the sterilization of the solarization end: winter drains Chi Shui, shine at the more than one month, end to pond and chap; Then add water 20cm, every 667m in pond
2to splash sterilization with quicklime 100kgization water;
D, construction ecotope: sterilize after 10 days, pasture and water are planted according to the mode of multi items interval miscegenation in pond, pasture and water cultivated area accounts for 20% of the pond gross area, wherein pasture and water kind is waterweed, hydrilla verticillata and eel grass, wherein waterweed adopts stem cuttage to transplant, hydrilla verticillata adopts branch point to carry and broadcasts method, and eel grass adopts the method that scatters seeds;
E, pond flowing water: be divided into every day open aeration tube 4 periods, be followed successively by 4 o'clock to 8 o'clock, 12 o'clock to 14 o'clock, at 17 o'clock to 20 o'clock, to some next day 1, open 12h altogether at 22; Every day, water inlet discharged water to form micro-stimulation by running water from 10 o'clock to 16 o'clock;
F, rich water training bait: under seed before the pool 1 week, is filled to depth of water 0.8m, discharges muck after 50kg colza cake and 100kg fermentation in pond, then in pond supplementary algae, be filled to depth of water 1.2m, in pond, discharge 5kg MAP;
G, seed inlet: when food organisms in the water of pond are 7ind/ml and after water stabilization, select fine day to put seedling the morning, the front mass fraction of fry inlet is the saline solution soaking disinfection 4min of 5wt%, and each net cage puts seedling density at 4800 tails/m
2; Discharged water by aeration tube and water inlet in time after putting seedling and form miniflow water;
H, management of throwing something and feeding: before taming and dociling food, adopt the mode of water quality of fostering and apply fertilizer, and according to a small amount of fertilization principle repeatedly, every first quarter moon fertilising once, executes bio-fertilizer 30kg at every turn, a yolk of respectively splashing in each net cage every morning, afternoon, uses 6 yolk at every turn; After taming and dociling food, adopt mixed bait, every morning, afternoon respectively throw something and feed once, day feeding volume is 7% of lobe knot fish body weight, the preparation method of mixed bait is as follows: by weight by after 22 parts of fish meal, 15 parts of digested tankages, 20 portions of soya-bean cakes, 18 parts of dish dregs of rice, 8 parts of cotton dregs, 32 parts of wheat brans, 30 parts of rice brans, 5 parts of soybean lecithins, 25 parts powder and 10 parts of premix mixing, pulverize, granulation, drying obtains mixed bait;
I, daily management: within every 15 days, use microorganism formulation improvement water quality, and regular supplementary fertilizer, maintenance water transparency is 20cm; Duty patrols case, notes observing the activity of heavy oral lobe knot fish, situation of ingesting, and makes regular check on net cage, prevents net cage breakage from escaping; Cleaned once every 1 month to net cage body, every 15d 20mg/L quicklime slurrying full pool spilling head.
Embodiment 3
A kind of lobe knot fry kind net cage biological breeding method that the present invention proposes, comprises the steps:
A, pond transformation: the specification in pond is 50m × 30m, the dark 1.5m in pond, and bottom sludge thickness is 27cm, the intake-outlet journey diagonal row in pond, and water inlet is provided with 80 object screen packs;
B, net cage is set: net cage is the hexahedron be made by 40 order polythene nets, and cage size is 8 × 3 × 1m, net cage open top, all the other five face closures, and bottom net cage, fixed placement microporous pipeline aeration tubulose aeration tube is to provide oxygen; Net cage is arranged on the smooth place of pond physical features, and be provided with the bamboo frame of Shading net covering directly over net cage, net cage top is fixed on timber, and sinker made by the corner bottom net cage and diagonal mid point system common brick, fully to launch etting, from 15cm at the bottom of pond at the bottom of case;
C, the sterilization of the solarization end: winter drains Chi Shui, shine at the more than one month, end to pond and chap; Then add water 22cm, every 667m in pond
2to splash sterilization with quicklime 90kgization water;
D, construction ecotope: sterilize after 10 days, pasture and water are planted according to the mode of multi items interval miscegenation in pond, pasture and water cultivated area accounts for 22% of the pond gross area, wherein pasture and water kind is waterweed, hydrilla verticillata and eel grass, wherein waterweed adopts stem cuttage to transplant, hydrilla verticillata adopts branch point to carry and broadcasts method, and eel grass adopts the method that scatters seeds;
E, pond flowing water: be divided into every day open aeration tube 4 periods, be followed successively by 4 o'clock to 8 o'clock, 12 o'clock to 14 o'clock, at 17 o'clock to 20 o'clock, to some next day 1, open 12h altogether at 22; Every day, water inlet discharged water to form micro-stimulation by running water from 10 o'clock to 16 o'clock;
F, rich water training bait: under seed before the pool 1 week, is filled to depth of water 0.6m, discharges muck after 52kg colza cake and 95kg fermentation in pond, then in pond supplementary algae, be filled to depth of water 1.4m, in pond, discharge 4.5kg MAP;
G, seed inlet: when food organisms in the water of pond are 8ind/ml and after water stabilization, select fine day to put seedling the morning, the front mass fraction of fry inlet is the saline solution soaking disinfection 5min of 4wt%, and each net cage puts seedling density at 4500 tails/m
2; Discharged water by aeration tube and water inlet in time after putting seedling and form miniflow water;
H, management of throwing something and feeding: before taming and dociling food, adopt the mode of water quality of fostering and apply fertilizer, and according to a small amount of fertilization principle repeatedly, every first quarter moon fertilising once, executes bio-fertilizer 32kg at every turn, a yolk of respectively splashing in each net cage every morning, afternoon, uses 5 yolk at every turn; After taming and dociling food, adopt mixed bait, every morning, afternoon respectively throw something and feed once, day feeding volume is 8% of lobe knot fish body weight, the preparation method of mixed bait is as follows: by weight by after 20 parts of fish meal, 20 parts of digested tankages, 15 portions of soya-bean cakes, 20 parts of dish dregs of rice, 5 parts of cotton dregs, 35 parts of wheat brans, 25 parts of rice brans, 6 parts of soybean lecithins, 20 parts powder and 12 parts of premix mixing, pulverize, granulation, drying obtains mixed bait;
I, daily management: within every 15 days, use microorganism formulation improvement water quality, and regular supplementary fertilizer, maintenance water transparency is 15cm; Duty patrols case, notes observing the activity of heavy oral lobe knot fish, situation of ingesting, and makes regular check on net cage, prevents net cage breakage from escaping; Cleaned once every 1 month to net cage body, every 15d 21mg/L quicklime slurrying full pool spilling head.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a lobe knot fry kind net cage biological breeding method, is characterized in that, comprise the steps:
A, pond transformation: the intake-outlet journey diagonal row in pond, water inlet is provided with 80 object screen packs;
B, net cage is set: net cage is the hexahedron be made by 40 order polythene nets, and cage size is 8 × 3 × 1m, net cage open top, all the other five face closures, and bottom net cage, fixed placement aeration tube is to provide oxygen; Net cage is arranged on the smooth place of pond physical features, and be provided with the bamboo frame of Shading net covering directly over net cage, net cage top is fixed on timber, and sinker made by the corner bottom net cage and diagonal mid point system common brick, fully to launch etting, from 15-20cm at the bottom of pond at the bottom of case;
C, the sterilization of the solarization end: winter drains Chi Shui, shine at the more than one month, end to pond and chap; Then add water 18-22cm, every 667m in pond
2to splash sterilization with quicklime 90-110kgization water;
D, construction ecotope: sterilize after 10 days, in pond, plant pasture and water according to the mode of multi items interval miscegenation, pasture and water cultivated area accounts for the 18-22% of the pond gross area, and wherein pasture and water kind is waterweed, hydrilla verticillata and eel grass;
E, pond flowing water: be divided into every day open aeration tube 4 periods, be followed successively by 4 o'clock to 8 o'clock, 12 o'clock to 14 o'clock, at 17 o'clock to 20 o'clock, to some next day 1, open 12h altogether at 22; Every day, water inlet discharged water to form micro-stimulation by running water from 10 o'clock to 16 o'clock;
F, rich water training bait: under seed before the pool 1 week, is filled to depth of water 0.6-1m, discharges muck after colza cake and fermentation in pond, then in pond supplementary algae, be filled to depth of water 1.1-1.4m, in pond, discharge MAP;
G, seed inlet: select fine day to put seedling the morning, the front mass fraction of fry inlet is the saline solution soaking disinfection 3-5min of 4-6wt%, and each net cage puts seedling density at 4500-5000 tail/m
2; Discharged water by aeration tube and water inlet in time after putting seedling and form miniflow water;
H, management of throwing something and feeding: before taming and dociling food, adopt the mode of water quality of fostering and apply fertilizer, and according to a small amount of fertilization principle repeatedly, every first quarter moon fertilising once, executes bio-fertilizer 28-32kg at every turn, a yolk of respectively splashing in each net cage every morning, afternoon, uses 5-7 yolk at every turn; After taming and dociling food, adopt mixed bait, every morning, afternoon respectively throw something and feed once, day feeding volume be the 6-8% of lobe knot fish body weight;
I, daily management: within every 15 days, use microorganism formulation improvement water quality, and regular supplementary fertilizer, maintenance water transparency is 15-23cm; Duty patrols case, notes observing the activity of heavy oral lobe knot fish, situation of ingesting, and makes regular check on net cage, prevents net cage breakage from escaping; Cleaned once every 1 month to net cage body, every 15d 19-21mg/L quicklime slurrying full pool spilling head.
2. lobe ties fry kind net cage biological breeding method according to claim 1, and it is characterized in that, the specification in pond is 50m × 30m, the dark 1.5m in pond, and bottom sludge thickness is 23-27cm.
3. lobe knot fry kind net cage biological breeding method according to claim 1 or 2, it is characterized in that, aeration tube is microporous pipeline aeration tubulose aeration tube.
4. lobe knot fry kind net cage biological breeding method according to any one of claim 1-3, it is characterized in that, waterweed adopts stem cuttage to transplant, and hydrilla verticillata adopts branch point to carry and broadcasts method, and eel grass adopts the method that scatters seeds.
5. lobe knot fry kind net cage biological breeding method according to any one of claim 1-3, it is characterized in that, in rich water training bait process, under seed before the pool 1 week, be filled to depth of water 0.6-1m, discharge in pond 48-52kg colza cake and 95-105kg fermentation after muck, then in pond supplement algae, be filled to depth of water 1.1-1.4m, in pond, discharge 4.5-5.5kg MAP.
6. lobe knot fry kind net cage biological breeding method according to any one of claim 1-3, is characterized in that, in seed inlet process, be 5-8ind/ml and after water stabilization, breed fish fry when food organisms in the water of pond.
7. lobe knot fry kind net cage biological breeding method according to any one of claim 1-3, it is characterized in that, throw something and feed in management process, the preparation method of mixed bait is as follows: by weight by after 20-25 part fish meal, 10-20 part digested tankage, 15-25 part soya-bean cake, 15-20 part dish dregs of rice, 5-9 part cotton dregs, 30-35 part wheat bran, 25-35 part rice bran, 3-6 part soybean lecithin, 20-30 part time powder and 8-12 part premix mixing, pulverize, granulation, drying obtains mixed bait.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409855A (en) * | 2015-12-16 | 2016-03-23 | 宜章洪成特种水产繁育场 | Fry culturing method |
| CN106900603A (en) * | 2017-02-21 | 2017-06-30 | 云南凤泓渔业有限公司 | A kind of fry cultural method |
| CN110771539A (en) * | 2019-12-05 | 2020-02-11 | 南京坤泰农业发展有限公司 | Efficient breeding method of high-quality fries with good environmental adaptability |
-
2015
- 2015-04-10 CN CN201510168840.3A patent/CN104719215A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409855A (en) * | 2015-12-16 | 2016-03-23 | 宜章洪成特种水产繁育场 | Fry culturing method |
| CN106900603A (en) * | 2017-02-21 | 2017-06-30 | 云南凤泓渔业有限公司 | A kind of fry cultural method |
| CN110771539A (en) * | 2019-12-05 | 2020-02-11 | 南京坤泰农业发展有限公司 | Efficient breeding method of high-quality fries with good environmental adaptability |
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Application publication date: 20150624 |