CN105850796A - Method for intensive cultivation of ictalurus punctatus - Google Patents
Method for intensive cultivation of ictalurus punctatus Download PDFInfo
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- 241000252498 Ictalurus punctatus Species 0.000 title claims abstract description 42
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- 238000004140 cleaning Methods 0.000 claims description 9
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- 244000131316 Panax pseudoginseng Species 0.000 description 1
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Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention relates to a method for intensive cultivation of ictalurus punctatus. The method comprises a step (1) of performing fingerling cultivation, a step (2) of performing adult fish cultivation, a step (a) of having pond conditions; a step (b) of performing preparation prior to stocking; a step (c) of performing stocking of fingerlings; a step (d) of feeding baits: adopting mixed domestication feeding of compound pellet feed and Chinese herbal medicine baits; a step (e) of performing daily management, and timely increasing the feeding amount of the Chinese herbal medicine baits by 15-20% of an original usage amount when fish disease is found. The Chinese herbal medicine baits are prepared from, by weight parts, 3-5 parts of nucleic acid yeast extract, 0.5-1 part of multi-vitamins, 10-15 parts of Chinese herbal medicine extract, 40-60 parts of enteric soluble polymers and 5-8 parts of vitamin E acetic ester. The Chinese herbal medicine baits used in the cultivation method are reasonable in compatibility, balanced in nutrition and low in processing cost, can remarkably improve immunity of ictalurus punctatus and greatly reduce the probability of edwardsienosis infection of ictalurus punctatus, is free of drug residue, leads to no drug resistance and is high in safety.
Description
Technical field
The present invention relates to a kind of channel catfish intensive culture method.
Background technology
Channel catfish (Ictalurus punctatus), originates in America, also known as ditch Nian, has growth fast, suitable
The features such as temperature scope is wide, premunition is strong, its pellet of ingesting, feed coefficient is low, is suitable to intensive and large-scale cultivation.
Channel catfish fine and tender taste, delicious, rich in protein and unrighted acid, deeply by the state such as the U.S., European Union consumer's
Like, but owing to its native country yields poorly, major part demand dependence import, thus China's large-scale cultivation channel catfish
Prospect be expected.
Under channel catfish intensive culture pattern, high breeding density is the basis obtaining the return of high culture benefit, throws
Feed high-grade feed and can promote channel catfish growth, Shortening culturing period, it is achieved list in advance.But channel catfish silver xenocypris is in cultivation
During enteric septicemia easily occurs, its symptom is that fish body surface skin occurs that local is red and swollen hemorrhage, and abdomen internal water accumulation, enteral has viscous
Liquid, enteric septicemia is caused by catfish tarda. and catfish tarda is possible not only to infect the fish body of all size, and
And be injured fish PD quickly, the suitable water temperature of common morbidity is 22-28 DEG C, serious harm channel catfish guiding principle aquaculture.
At present plant mainly throws something and feeds chloramphenicol or tetracycline pharmaceutical chemistry, throws something and feeds continuously 5 days, the most external furans agent 1.5-that splashes
2.0mg/L(water), to improve result for the treatment of, the medicament of above-mentioned employing easily polluted-water, in endangering environment, and fish body, residual is anti-
Raw element, easily makes eater produce drug resistance, is detrimental to health, it is desirable to provide a kind of healthy and safe channel catfish
Intensive culture method.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, it is provided that a kind of channel catfish intensive culture method.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of channel catfish intensive culture method,
(1) nurture of fish fingerlings
A () pond condition: pond area 1000 ~ 5000, the deep 1.8-2.0m in pond, smooth at the bottom of pond, at the bottom of pond, silt depth is less than
15cm, is equipped with one, aerator；
(b) put in a suitable place to breed before preparation: first 10 days of fingerling stocking, sterilization of thoroughly cleaning up the pond, clean up the pond sterilization 3 days after, often execute fermentation of becoming thoroughly decomposed
0.25-0.5 kilogram of muck, pond water filling 0.8 ~ 1.0 meter is deep；
(c) fingerling stocking: at the beginning of 6 months, channel catfish crow son's 4-6 tail of every stocking size 4 centimetres and the silver carp flathead of specification 2 centimetres
Fish crow son's 2-3 tail；
(d) bait feeding: taking compound feed domestication to throw something and feed, pellet gross protein value requires to reach more than 40%,
Compound feed when just starting to throw something and feed, should be pulverized throwing more than 80 mesh by the feedstuff smashing fineness of processing pellet
Hello, when fingerling grows to 8 centimetres, the compound feed of particle diameter 1.5 ~ 2 centimetres of throwing something and feeding, when fingerling grows to 12.5 centimetres, throw
Feed the compound feed of particle diameter 3.5 centimetres, feed every day 3 ~ 4 times, feed 30 ~ 40 minutes every time；
E () daily management: during raising, adds once new water for every 6 days, reaches 1.5 ~ 1.8 meters to the depth of water in July, with logistics moisturizing,
Maintaining this depth of water, summer, duty drove aerator, started shooting every day 3-4 hour；
(2) adult fish culture
A () pond condition: pond area is advisable with 10000-15000, deep 2 ~ 3 meters of pond, smooth at the bottom of pond, silt depth at the bottom of pond is not
More than 20 centimetres, it is equipped with one, aerator；
(b) put in a suitable place to breed before preparation: fingerling stocking the last week, sterilization of thoroughly cleaning up the pond, after the sterilization 2 days of cleaning up the pond, often execute fermentation of becoming thoroughly decomposed
0.25-0.5 kilogram of muck, pond water filling 0.6 ~ 0.8 meter；
(c) fingerling stocking: by the end of April at the beginning of 5 months, the channel catfish fingerling 1-1.5 tail of every stocking size 75 ~ 100 grams and rule
The silver carp Variegated 0.2-0.3 tail of lattice about 100 grams；
D () bait feeding: take compound feed to throw something and feed with Chinese herbal medicine pharmaceutical chemistry mixing domestication, the feed of processing pellet is former
Material smashing fineness should be more than 50 mesh, and pellet gross protein value requires to reach more than 32%, pellet particle diameter 1-3 milli
Rice, 5 ~ June and every day in September feed 2 times, and every day in 7 ~ August feeds 3 ~ 4 times, throws something and feeds about 30 minutes every time；
E () daily management: after fingerling enters pond, adds once new water for 5-8 days, reaches 1.8 ~ 2 meters to the depth of water in July, maintain the depth of water, and
And new water was changed once every 8 days, each quantity of exchanged water is the 1/5 ~ 1/4 of total Water, and summer, duty opened aerator, 3-4 hour every day, sent out
The feeding volume improving Chinese herbal medicine pharmaceutical chemistry during existing fish disease in time improves the 15-20% that consumption is former consumption；
Described Chinese herbal medicine pharmaceutical chemistry is processed by the component of following weight portion:
Nucleic acid yeast extract 3-5 part；
B B-complex 0.5-1 part；
Chinese herbal medicine extract medicinal extract 10-15 part；
Enteric polymer 40-60 part；
Vitwas E 5-8 part；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 5-8 part, capsule of weeping forsythia 5-8 part, radix bupleuri 5-12 part, tarragon 8-12 part, Radix Codonopsis 5-8 part, Radix Astragali 4-8 part, honeysuckle 7-
15 parts；
Described pellet is 7:3 ~ 9:1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
Preferably, described Chinese herbal medicine pharmaceutical chemistry is processed by the component of following weight portion:
Nucleic acid yeast extract 4 parts；
B B-complex 0.75 part；
Chinese herbal medicine extract medicinal extract 12 parts；
Enteric polymer 50 parts；
Vitwas E 6 parts；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 6 parts, the capsule of weeping forsythia 6 parts, radix bupleuri 8 parts, tarragon 10 parts, Radix Codonopsis 6 parts, the Radix Astragali 5 parts, honeysuckle 12 parts；
Described pellet is 8:1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
Preferably, the preparation method of described Chinese herbal medicine pharmaceutical chemistry is carried out as follows:
(1) Chinese herbal medicine extract medicinal extract is prepared: by the Herba Andrographitis of formula ratio, the capsule of weeping forsythia, radix bupleuri, tarragon, Radix Codonopsis, the Radix Astragali and honeysuckle
Pulverizing, mix, be subsequently adding soak by water 2-3 hour of 5-10 times of quality, then filter and remove residue, filter vacuum concentrates
Chinese medical extract medicinal extract is obtained to water content less than 40%；
(2) enteric polymer being mixed with Vitwas E, ambient temperatare is put 5-8 hour, and fully plasticizing is standby；
(3) raw material by nucleic acid yeast extract, B B-complex, the Chinese medical extract medicinal extract of step (1) and step (2) is abundant
Mix, add in hot-melt extruded machine, heating-up temperature 80-90 DEG C, heat time 8-12s, fully soften to raw material, then by
Hot-melt extruded machine is extruded, and extrusion aperture is 1-3mm, obtains the bar of a diameter of 1-3mm, more cleaved acquisition length 0.5-
The cylindric Chinese herbal medicine pharmaceutical chemistry of 1.2mm.
Intensive culture method of the present invention uses Chinese herbal medicine pharmaceutical chemistry, there is prevention, keep healthy, treat and regulate spot fork
The multiple efficacies of tail immunologic function, is effective bait of substitute antibiotics medical treatment channel catfish tarda disease,
It is sick that it mainly prevents and treats channel catfish tarda in terms of three: first: select Herba Andrographitis, the capsule of weeping forsythia, radix bupleuri, tarragon, party
Ginseng, the Radix Astragali and honeysuckle, these herbal raw materials have the effect such as removing toxic substances, sterilization pain relieving, anti-inflammatory, enhancing immune mechanism, by it
Extracting acquisition medicinal extract, substitute antibiotics, channel catfish absorption rate is high；Second: in nucleic acid yeast extract rich in
Flavor nucleotide, improves palatability and the attractant of Chinese herbal medicine pharmaceutical chemistry, and also small-molecular peptides and amino acid, together with B B-complex
Supplement the nutrients for channel catfish, strengthen the physique of channel catfish, improve its immunity further；3rd: select enteric solubility
Polymer and Vitwas E prepare enteric slow release Chinese herbal medicine pharmaceutical chemistry, slow sustained release as inserts, improve medicine
Utilization rate, is released in culturing pool during also avoiding Chinese herbal medicine bait feeding, polluted water in a large number, and this advantage is supported in high density
In growing most important.Promote mutually between 3 that synergy so that the Chinese herbal medicine pharmaceutical chemistry good palatability of the present invention absorbs profit
High by rate, preventing and treating channel catfish tarda disease is effective.
The invention has the beneficial effects as follows: the cultural method cultivation efficiency of the present invention is high, and adult fish survival rate is high, and illness rate is significantly
Reducing, the Chinese herbal medicine pharmaceutical chemistry compatibility used in cultural method is reasonable, balanced in nutrition, processing cost is low, and palatability and attractant are good,
Channel catfish utilization rate is high, and metabolic waste is few, can significantly improve the immunity of channel catfish, be substantially reduced channel catfish
Infecting the probability that tarda is sick, drug residue free and drug resistance, security is good.
Detailed description of the invention
Below by specific embodiment, technical scheme is described in further detail.
Raw materials used in the embodiment of the present invention is all commercial convenient source.
Enteric polymer is common enteric material, such as PVAP, cellulosic enteric material or crylic acid resin intestines
Molten auxiliary material, embodiment 1 uses PVAP, embodiment 2 to use cellulosic enteric material (trade name Opadry), and embodiment 3 uses
Acrylic resin.
Embodiment 1:
The Chinese herbal medicine pharmaceutical chemistry that preventing and treating channel catfish tarda is sick, described Chinese herbal medicine pharmaceutical chemistry is added by the component of following weight portion
Work forms:
Nucleic acid yeast extract 3 parts；
B B-complex 0.5 part；
Chinese herbal medicine extract medicinal extract 10 parts；
Enteric polymer 40 parts；
Vitwas E 5 parts；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 5 parts, the capsule of weeping forsythia 5 parts, radix bupleuri 5 parts, tarragon 8 parts, Radix Codonopsis 5 parts, the Radix Astragali 4 parts, honeysuckle 7 parts；
Described Chinese herbal medicine pharmaceutical chemistry processes in the steps below:
(1) Chinese herbal medicine extract medicinal extract is prepared: by the Herba Andrographitis of formula ratio, the capsule of weeping forsythia, radix bupleuri, tarragon, Radix Codonopsis, the Radix Astragali and honeysuckle
Pulverizing, mix, be subsequently adding the soak by water 2 hours of 5 times of quality, then filter and remove residue, filter vacuum is concentrated into and contains
The water yield less than 40% obtains Chinese medical extract medicinal extract；
(2) enteric polymer being mixed with Vitwas E, ambient temperatare is put 5 hours, and fully plasticizing is standby；
(3) raw material by nucleic acid yeast extract, B B-complex, the Chinese medical extract medicinal extract of step (1) and step (2) is abundant
Mix, add in hot-melt extruded machine, heating-up temperature 80 DEG C, heat time 12s, fully soften to raw material, then by hot melt
Extruder is extruded, and extrusion aperture is 1mm, obtains the bar of a diameter of 1mm, more cleaved acquisition length 0.5mm is cylindric
Chinese herbal medicine pharmaceutical chemistry.
Embodiment 2
The Chinese herbal medicine pharmaceutical chemistry that preventing and treating channel catfish tarda is sick, described Chinese herbal medicine pharmaceutical chemistry is added by the component of following weight portion
Work forms:
Nucleic acid yeast extract 5 parts；
B B-complex 1 part；
Chinese herbal medicine extract medicinal extract 15 parts；
Enteric polymer 60 parts；
Vitwas E 8 parts；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 8 parts, the capsule of weeping forsythia 8 parts, radix bupleuri 12 parts, tarragon 12 parts, Radix Codonopsis 8 parts, the Radix Astragali 8 parts, honeysuckle 15 parts；
Described Chinese herbal medicine pharmaceutical chemistry processes in the steps below:
(1) Chinese herbal medicine extract medicinal extract is prepared: by the Herba Andrographitis of formula ratio, the capsule of weeping forsythia, radix bupleuri, tarragon, Radix Codonopsis, the Radix Astragali and honeysuckle
Pulverizing, mix, be subsequently adding the soak by water 3 hours of 10 times of quality, then filter and remove residue, filter vacuum is concentrated into and contains
The water yield less than 40% obtains Chinese medical extract medicinal extract；
(2) enteric polymer being mixed with Vitwas E, ambient temperatare is put 8 hours, and fully plasticizing is standby；
(3) raw material by nucleic acid yeast extract, B B-complex, the Chinese medical extract medicinal extract of step (1) and step (2) is abundant
Mix, add in hot-melt extruded machine, heating-up temperature 90 DEG C, heat time 8s, fully soften to raw material, then squeezed by hot melt
Going out machine extrusion, extrusion aperture is 3mm, obtains the bar of a diameter of 3mm, more cleaved acquisition length 1.2mm cylindric in
Herbal medicine pharmaceutical chemistry.
Embodiment 3
The Chinese herbal medicine pharmaceutical chemistry that preventing and treating channel catfish tarda is sick, described Chinese herbal medicine pharmaceutical chemistry is added by the component of following weight portion
Work forms:
Nucleic acid yeast extract 4 parts；
B B-complex 0.75 part；
Chinese herbal medicine extract medicinal extract 12 parts；
Enteric polymer 50 parts；
Vitwas E 6 parts；
Described Chinese herbal medicine extract medicinal extract is obtained by the raw material of following weight portion:
Herba Andrographitis 6 parts, the capsule of weeping forsythia 6 parts, radix bupleuri 8 parts, tarragon 10 parts, Radix Codonopsis 6 parts, the Radix Astragali 5 parts, honeysuckle 12 parts.
Described Chinese herbal medicine pharmaceutical chemistry processes in the steps below:
(1) Chinese herbal medicine extract medicinal extract is prepared: by the Herba Andrographitis of formula ratio, the capsule of weeping forsythia, radix bupleuri, tarragon, Radix Codonopsis, the Radix Astragali and honeysuckle
Pulverizing, mix, be subsequently adding the soak by water 2.5 hours of 8 times of quality, then filter and remove residue, filter vacuum is concentrated into
Water content less than 40% obtains Chinese medical extract medicinal extract；
(2) enteric polymer being mixed with Vitwas E, ambient temperatare is put 6 hours, and fully plasticizing is standby；
(3) raw material by nucleic acid yeast extract, B B-complex, the Chinese medical extract medicinal extract of step (1) and step (2) is abundant
Mix, add in hot-melt extruded machine, heating-up temperature 85 DEG C, heat time 10s, fully soften to raw material, then by hot melt
Extruder is extruded, and extrusion aperture is 2mm, obtains the bar of a diameter of 2mm, more cleaved acquisition length 0.8mm is cylindric
Chinese herbal medicine pharmaceutical chemistry.
The Chinese herbal medicine pharmaceutical chemistry that embodiment of the present invention 1-3 prepares is respectively used to channel catfish intensive culture, specifically
As follows:
Cultivation example 1:
(1) nurture of fish fingerlings
A () pond condition: pond area 5000, the deep 2.0m in pond, smooth at the bottom of pond, silt depth at the bottom of pond is less than 15cm, is equipped with
One, aerator；
(b) put in a suitable place to breed before preparation: first 10 days of fingerling stocking, sterilization of thoroughly cleaning up the pond, clean up the pond sterilization 3 days after, often execute fermentation of becoming thoroughly decomposed
0.5 kilogram of muck, pond water filling 1.0 meters is deep；
(c) fingerling stocking: at the beginning of 6 months, young 6 tails of the channel catfish crow of every stocking size 4 centimetres and the silver carp bighead of specification 2 centimetres
Young 3 tails of crow；
(d) bait feeding: taking compound feed domestication to throw something and feed, pellet gross protein value requires to reach more than 40%,
Compound feed when just starting to throw something and feed, should be pulverized throwing more than 80 mesh by the feedstuff smashing fineness of processing pellet
Hello, when fingerling grows to 8 centimetres, the compound feed of particle diameter 2 centimetres of throwing something and feeding, when fingerling grows to 12.5 centimetres, grain of throwing something and feeding
The compound feed that footpath is 3.5 centimetres, feeds 3 ~ 4 times, feed 30 ~ 40 minutes every time every day；
E () daily management: during raising, adds once new water for every 6 days, reaches 1.8 meters to the depth of water in July, with logistics moisturizing, maintain
This depth of water, summer, duty drove aerator, started shooting every day 3-4 hour；
(2) adult fish culture
A () pond condition: pond area is advisable with 15000, deep 3 meters of pond, smooth at the bottom of pond, silt depth at the bottom of pond is less than 20 lis
Rice, is equipped with one, aerator；
(b) put in a suitable place to breed before preparation: fingerling stocking the last week, sterilization of thoroughly cleaning up the pond, after the sterilization 2 days of cleaning up the pond, often execute fermentation of becoming thoroughly decomposed
0.5 kilogram of muck, pond water filling 0.8 meter；
(c) fingerling stocking: by the end of April at the beginning of 5 months, channel catfish fingerling 1 tail of every stocking size 100 grams and specification 100 grams
Silver carp Variegated 0.3 tail of left and right；
D () bait feeding: take compound feed to throw something and feed with Chinese herbal medicine pharmaceutical chemistry mixing domestication, the feed of processing pellet is former
Material smashing fineness should be more than 50 mesh, and pellet gross protein value requires to reach more than 32%, pellet particle diameter 2 millimeters,
5 ~ June and every day in September feed 2 times, and every day in 7 ~ August feeds 3 ~ 4 times, throws something and feeds about 30 minutes every time；
E () daily management: after fingerling enters pond, adds once new water for 8 days, reaches 2 meters to the depth of water in July, the maintenance depth of water, and every
Within 8 days, changing once new water, each quantity of exchanged water is the 1/4 of total Water, and summer, duty opened aerator, 3-4 hour every day, when finding fish disease and
The feeding volume of Shi Tigao Chinese herbal medicine pharmaceutical chemistry, improves the 15-20% that consumption is former consumption；
Described pellet is 7:3 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
Cultivation example 2 is basic with cultivation example 1, is a difference in that described pellet is 9.1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
Cultivation example 3 is basic with cultivation example 1, is a difference in that described pellet is 8:1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
| Group | Illness rate | Survival rate |
| Experimental group 1 | 5% | 96% |
| Experimental group 2 | 6% | 95% |
| Experimental group 3 | 2% | 100% |
As seen from the above table, the cultural method of the present invention, owing to employing Chinese herbal medicine pharmaceutical chemistry preventing and treating germ, improve channel catfish
Immunologic function, cultivation efficiency is high, and survival rate is high, and the more conventional cultural method of illness rate is compared and is substantially reduced, picking channel catfish
Observing fish body surface and dissect, channel catfish body surface is healthy, finds that fish body muscle health is without exception, fish body kidney after dissection
Without exception with liver health.
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma
Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.
Claims (3)
1. a channel catfish intensive culture method, it is characterised in that:
(1) nurture of fish fingerlings
A () pond condition: pond area 1000 ~ 5000, the deep 1.8-2.0m in pond, smooth at the bottom of pond, at the bottom of pond, silt depth is less than
15cm, is equipped with one, aerator；
(b) put in a suitable place to breed before preparation: first 10 days of fingerling stocking, sterilization of thoroughly cleaning up the pond, clean up the pond sterilization 3 days after, often execute fermentation of becoming thoroughly decomposed
0.25-0.5 kilogram of muck, pond water filling 0.8 ~ 1.0 meter is deep；
(c) fingerling stocking: at the beginning of 6 months, channel catfish crow son's 4-6 tail of every stocking size 4 centimetres and the silver carp flathead of specification 2 centimetres
Fish crow son's 2-3 tail；
(d) bait feeding: taking compound feed domestication to throw something and feed, pellet gross protein value requires to reach more than 40%,
Compound feed when just starting to throw something and feed, should be pulverized throwing more than 80 mesh by the feedstuff smashing fineness of processing pellet
Hello, when fingerling grows to 8 centimetres, the compound feed of particle diameter 1.5 ~ 2 centimetres of throwing something and feeding, when fingerling grows to 12.5 centimetres, throw
Feed the compound feed of particle diameter 3.5 centimetres, feed every day 3 ~ 4 times, feed 30 ~ 40 minutes every time;
E () daily management: during raising, adds once new water for every 6 days, reaches 1.5 ~ 1.8 meters to the depth of water in July, with logistics moisturizing,
Maintaining this depth of water, summer, duty drove aerator, started shooting every day 3-4 hour；
(2) adult fish culture
A () pond condition: pond area is advisable with 10000-15000, deep 2 ~ 3 meters of pond, smooth at the bottom of pond, silt depth at the bottom of pond is not
More than 20 centimetres, it is equipped with one, aerator；
(b) put in a suitable place to breed before preparation: fingerling stocking the last week, sterilization of thoroughly cleaning up the pond, after the sterilization 2 days of cleaning up the pond, often execute fermentation of becoming thoroughly decomposed
0.25-0.5 kilogram of muck, pond water filling 0.6 ~ 0.8 meter；
(c) fingerling stocking: by the end of April at the beginning of 5 months, the channel catfish fingerling 1-1.5 tail of every stocking size 75 ~ 100 grams and rule
The silver carp Variegated 0.2-0.3 tail of lattice about 100 grams；
D () bait feeding: take compound feed to throw something and feed with Chinese herbal medicine pharmaceutical chemistry mixing domestication, the feed of processing pellet is former
Material smashing fineness should be more than 50 mesh, and pellet gross protein value requires to reach more than 32%, pellet particle diameter 1-3 milli
Rice, 5 ~ June and every day in September feed 2 times, and every day in 7 ~ August feeds 3 ~ 4 times, throws something and feeds about 30 minutes every time；
E () daily management: after fingerling enters pond, adds once new water for 5-8 days, reaches 1.8 ~ 2 meters to the depth of water in July, maintain the depth of water, and
And new water was changed once every 8 days, each quantity of exchanged water is the 1/5 ~ 1/4 of total Water, and summer, duty opened aerator, 3-4 hour every day, sent out
Improve the feeding volume of Chinese herbal medicine pharmaceutical chemistry during existing fish disease in time, improve the 15-20% that consumption is former consumption；
Described Chinese herbal medicine pharmaceutical chemistry is processed by the component of following weight portion:
Nucleic acid yeast extract 3-5 part；
B B-complex 0.5-1 part；
Chinese herbal medicine extract medicinal extract 10-15 part；
Enteric polymer 40-60 part；
Vitwas E 5-8 part；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 5-8 part, capsule of weeping forsythia 5-8 part, radix bupleuri 5-12 part, tarragon 8-12 part, Radix Codonopsis 5-8 part, Radix Astragali 4-8 part, honeysuckle 7-
15 parts；
Described pellet is 7:3 ~ 9:1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
A kind of channel catfish intensive culture method, it is characterised in that: described Chinese herbal medicine pharmaceutical chemistry
Processed by the component of following weight portion:
Nucleic acid yeast extract 4 parts；
B B-complex 0.75 part；
Chinese herbal medicine extract medicinal extract 12 parts；
Enteric polymer 50 parts；
Vitwas E 6 parts；
Described Chinese herbal medicine extract medicinal extract is processed by the herbal raw material of following weight portion:
Herba Andrographitis 6 parts, the capsule of weeping forsythia 6 parts, radix bupleuri 8 parts, tarragon 10 parts, Radix Codonopsis 6 parts, the Radix Astragali 5 parts, honeysuckle 12 parts；
Described pellet is 8:1 with the mass ratio of Chinese herbal medicine pharmaceutical chemistry.
A kind of channel catfish intensive culture method the most according to claim 1 or claim 2, it is characterised in that described Chinese herbal medicine
The preparation method of pharmaceutical chemistry is carried out as follows:
(1) Chinese herbal medicine extract medicinal extract is prepared: by the Herba Andrographitis of formula ratio, the capsule of weeping forsythia, radix bupleuri, tarragon, Radix Codonopsis, the Radix Astragali and honeysuckle
Pulverizing, mix, be subsequently adding soak by water 2-3 hour of 5-10 times of quality, then filter and remove residue, filter vacuum concentrates
Chinese medical extract medicinal extract is obtained to water content less than 40%；
(2) enteric polymer being mixed with Vitwas E, ambient temperatare is put 5-8 hour, and fully plasticizing is standby；
(3) raw material by nucleic acid yeast extract, B B-complex, the Chinese medical extract medicinal extract of step (1) and step (2) is abundant
Mix, add in hot-melt extruded machine, heating-up temperature 80-90 DEG C, heat time 8-12s, fully soften to raw material, then by
Hot-melt extruded machine is extruded, and extrusion aperture is 1-3mm, obtains the bar of a diameter of 1-3mm, more cleaved acquisition length 0.5-
The cylindric Chinese herbal medicine pharmaceutical chemistry of 1.2mm.
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| CN111418528B (en) * | 2020-03-27 | 2021-09-14 | 江苏省渔业技术推广中心 | Method for carrying out relay culture of channel catfish and freshwater shrimps in culture pond |
| CN111990295A (en) * | 2020-07-22 | 2020-11-27 | 通威股份有限公司 | Method for breeding two batches of channel catfishes in one year |
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