CN104430090A - High-yield ecological silurus asotus culturing method - Google Patents
High-yield ecological silurus asotus culturing method Download PDFInfo
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- CN104430090A CN104430090A CN201410715346.XA CN201410715346A CN104430090A CN 104430090 A CN104430090 A CN 104430090A CN 201410715346 A CN201410715346 A CN 201410715346A CN 104430090 A CN104430090 A CN 104430090A
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- nian
- pond
- native
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- silurus asotus
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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
- A01K61/00—Culture of aquatic 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
- 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
Abstract
The invention discloses a high-yield ecological silurus asotus culturing method. The high-yield ecological silurus asotus culturing method comprises the steps that an earthen pond is selected, a shading curtain is arranged, water is injected, after biocompound fertilizer is thrown, disinfected silurus asotus fries of the consistent specification are selected and thrown into the pond, microbial reagents are added, the water temperature, amount of dissolved oxygen and PH value of the pond are adjusted, different fodders are selected for feeding according to the body length of silurus asotus, silurus asotus of different specifications is removed regularly, the water quality is improved, and high-yield ecological silurus asotus is obtained. According to the culturing method, the biocompound fertilizer serves as the base fertilizer, the microbial reagents are used for improving the water quality, the proper fodders agreeable to the taste are thrown according to the body length of silurus asotus, it is ensured that the silurus asotus is free of pollution and ecological, the yield of the silurus asotus is improved, and economic benefits are increased.
Description
Technical field:
The invention belongs to fish culture technical field, particularly the cultural method of a kind of high yield ecological soil Nian.
Background technology:
Catfish belongs to tropic fishes, and meat thorniness is few, and the similar river eel of taste, and fast growth, the advantages such as recipe is wide, disease is few are excellent fresh-water fishes kinds.Catfish belongs to Silurformes, Nian section, and common catfish has native Nian, southern catfish fish, Clarias fuscus and clarias leather, and wherein native Nian has 4 corings, short under upper length, fast growth, delicious meat, but body weight is little, higher to the requirement of water quality; The appearance of southern catfish fish is similar to native Nian has 4 with palpus, but its fish mouth is large, and individuality also more native Nian is much larger, and meat is comparatively usual; Clarias fuscus has 8 corings, and body is yellow, and mouthfeel is good, is of high nutritive value; Clarias leather also has 8 beards, and black of body is large, and very low to water quality requirement, meat is general.Therefore, the artificial culture technology of native Nian requires higher, but economic benefit is large.
The cultural technique of catfish comprises the selection in pond, the sterilization of water quality and control, the input of fry and the management etc. of raising, and wherein the pond of earth is due to the pond of cement, and the production value of net cage is higher; Water quality must thorough disinfection, is down to minimum by the infringement of disease, and the oxygen content of regularly increasing water quality and ensure the transparency of water body; The quality of fry will be got well, and specification wants consistent, and adopts two-stage to put seedling, prevents the phenomenon that big fish swallowing little fish; Feed will be thrown something and fed evenly, on a small quantity repeatedly, prevents voracious phenomenon.In addition, because catfish is not resisted cold, water temperature can cause death lower than 7 DEG C, and catfish easily occurs eating phenomenon mutually when growing, and therefore needs careful maintenance during cultivation, ensures the quality and yield of catfish.
Summary of the invention:
The object of this invention is to provide the cultural method of a kind of high yield ecological soil Nian, this cultural method as base manure, improves water quality with microorganism formulation by biological compound fertilizer, and for the long suitable agreeable to the taste feed of throwing something and feeding of native Nian body, improve the output of native Nian, ensure green ecological.
Object of the present invention is achieved through the following technical solutions:
A cultural method of high yield ecological soil Nian, comprises the following steps:
(1) select the Tu Chi of dark 1.3-1.8m, smooth at the bottom of pond, silt depth is 5-10cm, establishes blind on top, pond, the dark 0.8-1.2m of water filling, after carrying out disinfection 3-5 days, drops into biological compound fertilizer, obtains vacant pond;
(2) the native Nian kind selecting specification consistent from the fry of intensive culture, throw in the vacant pond that step (1) obtains after the germ on surface is removed in the sterilization of native Nian kind, place microorganism formulation, regulate the water temperature in pond, pH value and oxygen content, obtain cultivating pond;
(3) when the length of native Nian kind is 8-12cm, the trash fish of the 1-3cm rubbed that throws something and feeds, throws something and feeds 2 every day, feeding volume is 8-12%, when the length of native Nian kind is greater than 15-18cm, and the frozen fish of the 3-6cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 8-10%.Throw something and feed period, removed the native Nian of different size every 15-20 days, improved water quality every 10-15 days, regulate the water temperature in pond, pH value and oxygen content.
Preferred as technique scheme, the consumption of the biological compound fertilizer described in step (1) is 2-3kg/ mu.
Preferred as technique scheme, the length of the native Nian kind described in step (2) is 8-12cm, and weight is 20-30g/ tail, and injected volume is 4000-5000 tail/mu.
Preferred as technique scheme, the microorganism formulation described in step (2) is lactic acid bacteria and bacillus megaterium, and injected volume is 1-2kg/ mu.
Preferred as technique scheme, the water temperature in step (2) or the pond described in step (3) is 20-35 DEG C, and dissolved oxygen amount is 6-8mg/L, and pH value is 6-7.5.
Preferred as technique scheme, the native fuscus feed described in step (3) is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.
Beneficial effect of the present invention is: have employed blind in this cultural method and both can play the effect of sheltering from heat or light, also the effect of insulation can be played, extend the vegetative period of native Nian, adopt biological compound fertilizer as base-material, use microorganism formulation regulating water quality, both the flourish of food organisms had been promoted, make it nutritious, the breeding of harmful levels of pathogens can be suppressed again, reduce the content of nitrite, ensure the environment needed for native Nian growth, and ecological, environmental protective.
Containing elements such as medical stone, wormwood and Chinese medicine filter residues in soil fuscus feed, comprehensive nutrition, maifanite powder can improve the suspension of feed, wormwood makes feed fragrance, improve the feeding rate of native Nian, promote the growth of native Nian, increase the immunity that Chinese medicine filter residue can improve native Nian in addition, reduce the cost of feed.
Embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment 1:
Select the Tu Chi of dark 1.3m, smooth at the bottom of pond, silt depth is 5cm, and at pond top facility blind, the dark 0.8m of water filling, after carrying out disinfection 3 days, the biological compound fertilizer of every mu of input 2kg, obtains vacant pond.
The native Nian kind that specification is consistent is selected from the fry of intensive culture, the length of soil Nian kind is 8cm, weight is 20g/ tail, injected volume 5000 tails/mu, throws in vacant pond after the germ on surface is removed in native Nian kind sterilization, places lactic acid bacteria and bacillus megaterium microorganism formulation, injected volume is 1kg/ mu, the water temperature regulating pond is 20 DEG C, and dissolved oxygen amount is 6mg/L, and pH value is 6.
When the length of native Nian kind is 8cm, to throw something and feed the trash fish of 1cm of rubbing, throw something and feed every day 2 times, feeding volume is 12%, when the length of native Nian kind is greater than 15cm, and the frozen fish of the 3cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 8%, and wherein native fuscus feed is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.Nurturing period, remove the native Nian of different size, improved water quality every 10 days every 15 days, the water temperature regulating pond is 20 DEG C, and dissolved oxygen amount is 6mg/L, and pH value is 6.
Embodiment 2:
Select the Tu Chi of dark 1.8m, smooth at the bottom of pond, silt depth is 10cm, and at pond top facility blind, the dark 1.2m of water filling, after carrying out disinfection 5 days, the biological compound fertilizer of every mu of input 3kg, obtains vacant pond.
The native Nian kind that specification is consistent is selected from the fry of intensive culture, the length of soil Nian kind is 12cm, weight is 30g/ tail, injected volume is 4000 tails/mu, throws in vacant pond, place lactic acid bacteria and bacillus megaterium microorganism formulation after the germ on surface is removed in native Nian kind sterilization, injected volume is 2kg/ mu, the water temperature regulating pond is 35 DEG C, and dissolved oxygen amount is 8mg/L, and pH value is 7.5.
When the length of native Nian kind is 12cm, to throw something and feed the trash fish of 3cm of rubbing, throw something and feed every day 2 times, feeding volume is 8%, when the length of native Nian kind is greater than 18cm, and the frozen fish of the 6cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 10%, and wherein native fuscus feed is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.Nurturing period, remove the native Nian of different size, improved water quality every 15 days every 20 days, the water temperature regulating pond is 35 DEG C, and dissolved oxygen amount is 8mg/L, and pH value is 7.5.
Embodiment 3:
Select the Tu Chi of dark 1.5m, smooth at the bottom of pond, silt depth is 8cm, and at pond top facility blind, the dark 1.0m of water filling, after carrying out disinfection 4 days, the biological compound fertilizer of every mu of input 2.5kg, obtains vacant pond.
The native Nian kind that specification is consistent is selected from the fry of intensive culture, the length of soil Nian kind is 10cm, weight is 25g/ tail, injected volume is 4300 tails/mu, throws in vacant pond, place lactic acid bacteria and bacillus megaterium microorganism formulation after the germ on surface is removed in native Nian kind sterilization, injected volume is 1-2kg/ mu, the water temperature regulating pond is 25 DEG C, and dissolved oxygen amount is 7mg/L, and pH value is 6.5.
When the length of native Nian kind is 10cm, to throw something and feed the trash fish of 2cm of rubbing, throw something and feed every day 2 times, feeding volume is 10%, when the length of native Nian kind is greater than 17cm, and the frozen fish of the 5cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 9%, and wherein native fuscus feed is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.Nurturing period, remove the native Nian of different size, improved water quality every 12 days every 16 days, the water temperature regulating pond is 25 DEG C, and dissolved oxygen amount is 7mg/L, and pH value is 6.5.
Embodiment 4:
Select the Tu Chi of dark 1.6m, smooth at the bottom of pond, silt depth is 9cm, and at pond top facility blind, the dark 1.1m of water filling, after carrying out disinfection 3 days, the biological compound fertilizer of every mu of input 2kg, obtains vacant pond.
The native Nian kind that specification is consistent is selected from the fry of intensive culture, the length of soil Nian kind is 11cm, weight is 26g/ tail, injected volume is 4500 tails/mu, throws in vacant pond, place lactic acid bacteria and bacillus megaterium microorganism formulation after the germ on surface is removed in native Nian kind sterilization, injected volume is 1.3kg/ mu, the water temperature regulating pond is 30 DEG C, and dissolved oxygen amount is 7.5mg/L, and pH value is 7.
When the length of native Nian kind is 11cm, to throw something and feed the trash fish of 3cm of rubbing, throw something and feed every day 2 times, feeding volume is 11%, when the length of native Nian kind is greater than 16cm, and the frozen fish of the 5cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 9%, and wherein native fuscus feed is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.Nurturing period, remove the native Nian of different size, improved water quality every 12 days every 17 days, the water temperature regulating pond is 30 DEG C, and dissolved oxygen amount is 7.5mg/L, and pH value is 7.
Embodiment 5:
Select the Tu Chi of dark 1.7m, smooth at the bottom of pond, silt depth is 9cm, and at pond top facility blind, the dark 1.1m of water filling, after carrying out disinfection 4 days, the biological compound fertilizer of every mu of input 2.2kg, obtains vacant pond.
The native Nian kind that specification is consistent is selected from the fry of intensive culture, the length of soil Nian kind is 9cm, weight is 28g/ tail, injected volume is 4800 tails/mu, throws in vacant pond, place lactic acid bacteria and bacillus megaterium microorganism formulation after the germ on surface is removed in native Nian kind sterilization, injected volume is 1-2kg/ mu, the water temperature regulating pond is 28 DEG C, and dissolved oxygen amount is 6.4mg/L, and pH value is 7.2.
When the length of native Nian kind is 9cm, to throw something and feed the trash fish of 2.5cm of rubbing, throw something and feed every day 2 times, feeding volume is 11%, when the length of native Nian kind is greater than 17cm, and the frozen fish of the 5cm that throws something and feeds, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 10%, and wherein native fuscus feed is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.Nurturing period, remove the native Nian of different size, improved water quality every 13 days every 18 days, the water temperature regulating pond is 28 DEG C, and dissolved oxygen amount is 6.4mg/L, and pH value is 7.2.
Find after measured, cultivate by this method the body weight gain of the native Nian of 90 days and survival rate situation and with the body weight gain of conventional cultivation method (comparative example 1,2) the cultivation native Nian of 90 days and survival rate situation as shown in the table, the body length of soil Nian and body weight increase 16%-20%, and survival rate improves.
Claims (6)
1. a cultural method of high yield ecological soil Nian, it is characterized in that, the method comprises the following steps:
(1) select the Tu Chi of dark 1.3-1.8m, smooth at the bottom of pond, silt depth is 5-10cm, establishes blind on top, pond, the dark 0.8-1.2m of water filling, after carrying out disinfection 3-5 days, drops into biological compound fertilizer, obtains vacant pond;
(2) the native Nian kind selecting specification consistent from the fry of intensive culture, throw in the vacant pond that step (1) obtains after the germ on surface is removed in the sterilization of native Nian kind, place microorganism formulation, regulate the water temperature in pond, pH value and oxygen content, obtain cultivating pond;
(3) when the length of native Nian kind is 8-12cm, throw something and feed the trash fish of 1-3cm of rubbing, throw something and feed every day 2 times, feeding volume is 8-12%, when the length of native Nian kind is greater than 15-18cm, throw something and feed the frozen fish of 3-6cm, chicken and duck internal organ and native fuscus feed, throw something and feed every day 2 times, feeding volume is 8-10%, throw something and feed period, remove the native Nian of different size every 15-20 days, improved water quality every 10-15 days, regulate the water temperature in pond, pH value and oxygen content.
2. the cultural method of a kind of high yield ecological soil Nian as claimed in claim 1, is characterized in that: the consumption of the biological compound fertilizer described in step (1) is 2-3kg/ mu.
3. the cultural method of a kind of high yield ecological soil Nian as claimed in claim 1, it is characterized in that: the length of the native Nian kind described in step (2) is 8-12cm, and weight is 20-30g/ tail, injected volume is 4000-5000 tail/mu.
4. the cultural method of a kind of high yield ecological soil Nian as claimed in claim 1, it is characterized in that: the microorganism formulation described in step (2) is lactic acid bacteria and bacillus megaterium, injected volume is 1-2kg/ mu.
5. the cultural method of a kind of high yield ecological soil Nian as claimed in claim 1, is characterized in that: the water temperature in step (2) or the pond described in step (3) is 20-35 DEG C, and dissolved oxygen amount is 6-8mg/L, and pH value is 6-7.5.
6. the cultural method of a kind of high yield ecological soil Nian as claimed in claim 1, it is characterized in that: the native fuscus feed described in step (3) is the mixture of the powder of medical stone, wormwood, corn flour, dried silkworm chrysalis meal, fish meal and Chinese medicine filter residue, and its weight ratio is 1:1:10:5:5:20.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104938833A (en) * | 2015-06-11 | 2015-09-30 | 广西玉林市鑫坚种养有限公司 | Adult silurus meridionalis activation fertilizer and culture method adopting same |
| CN105192399A (en) * | 2015-10-15 | 2015-12-30 | 无锡市南阳湖水产科技有限公司 | Silurus meridionalis breeding feed |
| CN107258610A (en) * | 2017-05-20 | 2017-10-20 | 蚌埠市金牛湾农业科技发展有限公司 | A kind of feeding method for improving Clarias fuscus nutritive value |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104938833A (en) * | 2015-06-11 | 2015-09-30 | 广西玉林市鑫坚种养有限公司 | Adult silurus meridionalis activation fertilizer and culture method adopting same |
| CN105192399A (en) * | 2015-10-15 | 2015-12-30 | 无锡市南阳湖水产科技有限公司 | Silurus meridionalis breeding feed |
| CN107258610A (en) * | 2017-05-20 | 2017-10-20 | 蚌埠市金牛湾农业科技发展有限公司 | A kind of feeding method for improving Clarias fuscus nutritive value |
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