CN107555615B - Aquaculture water quality improving agent - Google Patents
Aquaculture water quality improving agent Download PDFInfo
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- CN107555615B CN107555615B CN201711041030.7A CN201711041030A CN107555615B CN 107555615 B CN107555615 B CN 107555615B CN 201711041030 A CN201711041030 A CN 201711041030A CN 107555615 B CN107555615 B CN 107555615B
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- cfu
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- aquaculture water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 37
- 238000009360 aquaculture Methods 0.000 title claims abstract description 24
- 244000144974 aquaculture Species 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 32
- 241000894006 Bacteria Species 0.000 claims abstract description 18
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 12
- 241000193744 Bacillus amyloliquefaciens Species 0.000 claims abstract description 10
- 241000193764 Brevibacillus brevis Species 0.000 claims abstract description 10
- 230000002745 absorbent Effects 0.000 claims abstract description 6
- 239000002250 absorbent Substances 0.000 claims abstract description 6
- 241000191998 Pediococcus acidilactici Species 0.000 claims abstract description 5
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- 241001478240 Coccus Species 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Natural products CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000014655 lactic acid Nutrition 0.000 claims description 6
- 239000004310 lactic acid Substances 0.000 claims description 6
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical group OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims description 5
- 229920001661 Chitosan Polymers 0.000 claims description 5
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical class CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- -1 ethyl alcohol ester Chemical class 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 241000726221 Gemma Species 0.000 claims 2
- 241000193830 Bacillus <bacterium> Species 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003895 organic fertilizer Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 15
- 241000251468 Actinopterygii Species 0.000 description 13
- 238000009395 breeding Methods 0.000 description 9
- 230000001488 breeding effect Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 241000195493 Cryptophyta Species 0.000 description 3
- 241000252230 Ctenopharyngodon idella Species 0.000 description 3
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 3
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 3
- 229920000615 alginic acid Polymers 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000000476 body water Anatomy 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000003674 animal food additive Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical group CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 239000004129 EU approved improving agent Substances 0.000 description 1
- TURHTASYUMWZCC-UHFFFAOYSA-N Olaquindox [BAN:INN] Chemical compound C1=CC=C2N([O-])C(C)=C(C(=O)NCCO)[N+](=O)C2=C1 TURHTASYUMWZCC-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- POCFBDFTJMJWLG-UHFFFAOYSA-N dihydrosinapic acid methyl ester Natural products COC(=O)CCC1=CC(OC)=C(O)C(OC)=C1 POCFBDFTJMJWLG-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013332 fish product Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 235000021590 normal diet Nutrition 0.000 description 1
- 229950010210 olaquindox Drugs 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Feed For Specific Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of aquaculture water quality improving agent, the modifying agent are mixed by following substances by weight percentage：Pediococcus acidilactici powder 25 35%, bacillus amyloliquefaciens powder 20 25%, Brevibacillus brevis powder 25 30%, algal grown accelerating agent 10 15% and heavy metal absorbent 10 20%.The living bacteria count of each bacterium powder is respectively in the modifying agent：Pediococcus acidilactici 10 15 × 108CFU/g, bacillus amyloliquefaciens 30 50 × 108CFU/g, Brevibacillus brevis 20 30 × 108CFU/g, total living bacteria count are more than 15 20 × 108CFU/g.Aquaculture water quality improving agent of the present invention can be used alone, and can be also used in combination with organic fertilizer with aquatic products.Its production process is simple, equipment investment is small, pollution-free, shelf life is long, has great importance to content of beary metal in aquatic product health cultivation, reduction aquatic products and aquatic products sustainable development.
Description
Technical field
The invention belongs to the biotechnologies in aquaculture, are related to a kind of improver of water quality, and in particular to Yi Zhongshui
Produce cultivation water modifying agent.
Background technology
Since the twentieth century middle period, with the development of aquaculture, if antibiotic, olaquindox, quinoline ketone, heavy metal element
Medicated feed additives such as (such as copper, zinc) are worldwide used widely.Medicated feed additive disease preventing and treating,
Promote growth of animal etc. effect fairly obvious, but resulting side effect and causes pathogen to develop immunity to drugs, poison
Property, the drawbacks such as " three cause " (teratogenesis, carcinogenic, mutagenesis) also gradually reveal, in addition raiser has launched largely into water body
The discharge of chemical fertilizer and sanitary sewage and industrial wastewater causes nitrogen, phosphorus, heavy metals exceeding standard, the eutrophication in lake much super
Gone out the ability that rivers and lakes itself can carry, the chance that rivers and lakes cannot rehabilitate, aquatic ecosystem by
Serious destruction.Residual hazard, threatens the problem of human health to become countries in the world cultivation worker and hygienic work at pollution environment
The hot spot that author extremely pays close attention to.With extensive use of the animal microecological formulation in herding etc., answering in aquatic products industry
With also increasingly attracting people's attention, good effect is confirmed by a large amount of experiment and production practices.Tiny ecosystem system
Agent have many advantages, such as the small, income of input it is big, without residual hazard, without drug resistance, free from environmental pollution, fully show and prevented using Tiny ecosystem
The superiority of technology, it necessarily becomes the developing direction of 21st century culture fishery.
Therefore, a kind of aquaculture water quality improving agent is researched and developed, breeding water body water quality can be improved, promotes to have in water body
Beneficial algae reproduction, reduce aquatic products in heavy metal content and breeding water body in content of organics, improve breeding water body bed mud matter
Amount improves aquatic products quality, promotes the sound development of aquaculture, increases culture efficiency.
Invention content
The purpose of the present invention is to provide a kind of aquaculture water quality improving agents, can improve breeding water body water quality, improve
Efficiency of feed utilization, accelerates the speed of growth of beneficial algae in water body, and can reduce the content of heavy metal in aquatic products, improves aquatic products
Product quality, at the same solve currently on the market improver of water quality used for aquiculture have a single function, unstable product quality, using effect
The problems such as undesirable and production technology is complicated.
In order to achieve the above object, the technical solution adopted in the present invention is：A kind of aquaculture water quality improving agent, feature exist
In being mixed by weight percentage by following substances：Pediococcus acidilactici powder 25-35%, bacillus amyloliquefaciens powder 20-
25%, Brevibacillus brevis powder 25-30%, algal grown accelerating agent 10-15% and heavy metal absorbent 10-20%, each substance
The sum of weight percent be 100%；
The above-mentioned algal grown accelerating agent referred to one in diethylammonium salt base ethyl alcohol ester for 2,4- dichlorphenoxyacetic acids or
Kind or two kinds of mixture；Heavy metal absorbent is the mixture of one or both of high G sodium alginates or chitosan.
The above-mentioned each bacterium powder referred to and high G sodium alginates are all commercial products.
Aquaculture water quality improving agent of the present invention is to take each substance by said ratio, then by each material mixing, stir
It mixes uniformly.The active bacteria number of Pediococcus acidilactici powder is 10-15 × 10 in above-mentioned modifying agent8CFU/g；Bacillus amyloliquefaciens
The active bacteria number of powder is 30-50 × 108CFU/g；The active bacteria number of Brevibacillus brevis powder is 20-30 × 108CFU/g.Total micro- life
Object living bacteria count is more than 15-20 × 108CFU/g。
Aquaculture water quality improving agent of the present invention improves that water quality is rapid-action, long action time, and can effectively reduce
The content of heavy metal in aquatic products.Here be using after product of the present invention Effects of Water Quality and the case where fish qualitative effects, is said
It is bright.
1, after using product of the present invention, to the physicochemical data testing result of water body.
It is tested in Hunan North of Hunan bio tech ltd experiment fishpond, totally 6 crawls, each fishpond area are
333.5m2, cultivation object is grass carp, silver carp and bighead, 0.56 ± 0.03kg of average weight, by per 666.7m2600 tails are launched, with
Machine arranges.3 groups are divided into, every group of 2 fishponds, first group is control group；Second group is test group 1, is put by dosage 2kg per acre
Product of the present invention；Third group is test group 2, puts into product of the present invention by dosage 4kg per acre, the primary present invention was added every 15 days
Modifying agent, other same conventional methods of method for breeding, 60 days test periods.Experimental period, terminates, total in separately sampled measurement water
The content of nitrogen, ammonia nitrogen, nitrate nitrogen and nitrite nitrogen, the results are shown in Table 1.
Table 1 uses the variation of product cultivating Water cellulose content of the present invention
It can be seen that from 1 test result of table and use product of the present invention in breeding water body, can be effectively reduced in water body
Ammonia nitrogen and nitrite nitrogen content, so as to improve breeding water body water quality.
2, influence of the product of the present invention to content of beary metal in fish growth and fish products matter
2.1 materials and methods
Test fishpond：Hunan North of Hunan bio tech ltd standardized assays fishpond, totally 4 fishponds, each fishpond face
Product is 333.5m2, depth of water 1.5m.
Experimental animal：Grass carp, silver carp and bighead, average weight is 0.55 ± 0.07kg, by per 666.7m2600 tails are launched,
Feed feeds normal diet.
2.2 experimental design
1200 urosomes weight almost the same and healthy grass carp, silver carp and bighead are selected, 2 groups of (control group and examinations are randomly divided into
Test group), every group of 600 tails, setting two is parallel, divides and supports in above-mentioned experiment fishpond, fishpond is furnished with oxygen increasing pump.Day feeds forage volume and is
The 2-3% of each group weight, daily 9:00、13:00、17:00 feeds on time, and test period is 45 days.Test group by putting into per acre
Product 2kg of the present invention was thrown primary every 10 days.Start to put into product of the present invention after feeding 5 days.After the test, separately sampled
Weigh and measure the content of heavy metal in fish body.
The influence that 2.3 products of the present invention grow fish
Test result is shown in Table 2.
The influence that 2 product of the present invention of table grows fish
From 2 test result of table it is found that can promote the growth of fish using product of the present invention, reduce feed coefficient.And compare
Compared with control group, the bodily form of the fish of test group is preferable, epidermal mucus is more.
Influence of 2.4 products of the present invention to content of beary metal in the flesh of fish
Test result is shown in Table 3.
Measurement result (mg/kg) of 3 product of the present invention of table to content of beary metal in the flesh of fish
From upper table measurement result can be seen that using product of the present invention can effectively reduce in the flesh of fish heavy metal As, Hg, Cd and
The content of Pb improves fishery -ies product quality.
3, result and analysis
Above-mentioned test result shows using product of the present invention, fish well-grown, compared with the control group, the food conversion of fish
Rate improves, and Average weight increasing a day is notable, can significantly reduce the content of the ammonia nitrogen and nitrite nitrogen in breeding water body, more important is significantly
The content for reducing the heavy metals such as As, Hg, Cd and Pb in the flesh of fish, improves the quality of fishery -ies product, to ensureing the body of consumer
The sustainable development of health and promotion aquaculture has a very important significance.
Compared with prior art, the present invention has the following advantages：
(1) aquaculture water quality improving agent of the invention, can persistently make organic pollution, ammonia nitrogen, the nitre in breeding water body
The content of the pollutants such as state nitrogen is substantially reduced.
(2) in product of the present invention include beneficial algae growth accelerator, can effectively adjust bacterium algae in water body and balance each other,
Promote the quick removal of Water element.
(3) heavy metal absorbent that the method for the present invention uses, the heavy metals such as arsenic, lead, cadmium, mercury in adsorbable water body, carries
High aquatic products quality.
Specific implementation mode
Embodiment 1
Extracting lactic acid piece coccus powder 35%, bacillus amyloliquefaciens powder 20%, Brevibacillus brevis powder by weight percentage
25%, 2,4- dichlorphenoxyacetic acids 10% and high G Na-alginates 10% stir evenly each substance in blender to get this
Total living bacteria count of the aquaculture water quality improving agent of invention, the modifying agent is 19.7 × 108CFU/g。
Embodiment 2
Extracting lactic acid piece coccus powder 26%, bacillus amyloliquefaciens powder 22%, Brevibacillus brevis powder by weight percentage
26%, diethylammonium salt base ethyl alcohol ester 15% and high G Na-alginates 11%, by each substance stirred evenly in blender to get
Total living bacteria count of the aquaculture water quality improving agent of the present invention, the modifying agent is 18.6 × 108CFU/g。
Embodiment 3
Extracting lactic acid piece coccus powder 25%, bacillus amyloliquefaciens powder 25%, Brevibacillus brevis powder by weight percentage
30%, 2,4- dichlorphenoxyacetic acids 10% and chitosan 10% stir evenly each substance in blender to get the present invention's
Total living bacteria count of aquaculture water quality improving agent, the modifying agent is 18.7 × 108CFU/g。
Embodiment 4
Extracting lactic acid piece coccus powder 30%, bacillus amyloliquefaciens powder 20%, Brevibacillus brevis powder by weight percentage
28%, 2,4- dichlorphenoxyacetic acids 5%, diethylammonium salt base ethyl alcohol ester 5% and chitosan 12%, by each substance in blender
It stirs evenly to get the aquaculture water quality improving agent of the present invention, total living bacteria count of the modifying agent is 18.3 × 108CFU/
g。
Embodiment 5
Extracting lactic acid piece coccus powder 27%, bacillus amyloliquefaciens powder 21%, Brevibacillus brevis powder by weight percentage
25%, diethylammonium salt base ethyl alcohol ester 13%, chitosan 6% and high G Na-alginates 8%, each substance is stirred in blender
Uniformly to get the aquaculture water quality improving agent of the present invention, total living bacteria count of the modifying agent is 17.8 × 108CFU/g。
Claims (4)
1. a kind of aquaculture water quality improving agent, which is characterized in that it is mixed by following substances by weight percentage：Lactic acid
Piece coccus powder 25-35%, bacillus amyloliquefaciens powder 20-25%, Brevibacillus brevis powder 25-30%, algal grown accelerating agent
10-15% and heavy metal absorbent 10-20%, the sum of weight percent of each substance are 100%；Wherein, which promotees
It is 2,4- dichlorphenoxyacetic acids into agent or one or both of diethylammonium salt base ethyl alcohol ester mixes；The heavy metal absorbent is
One or both of high G sodium alginates or chitosan mix.
2. aquaculture water quality improving agent according to claim 1, it is characterised in that：Pediococcus acidilactici in the modifying agent
The active bacteria number of powder is 10-15 × 108CFU/g。
3. aquaculture water quality improving agent according to claim 1, it is characterised in that：Starch gemma is solved in the modifying agent
The active bacteria number of bacillus powder is 30-50 × 108CFU/g。
4. aquaculture water quality improving agent according to claim 1, it is characterised in that：Short gemma bar in the modifying agent
The active bacteria number of bacterium powder is 20-30 × 108CFU/g。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041030.7A CN107555615B (en) | 2017-10-30 | 2017-10-30 | Aquaculture water quality improving agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041030.7A CN107555615B (en) | 2017-10-30 | 2017-10-30 | Aquaculture water quality improving agent |
Publications (2)
| Publication Number | Publication Date |
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| CN107555615A CN107555615A (en) | 2018-01-09 |
| CN107555615B true CN107555615B (en) | 2018-07-13 |
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| CN201711041030.7A Expired - Fee Related CN107555615B (en) | 2017-10-30 | 2017-10-30 | Aquaculture water quality improving agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109231505A (en) * | 2018-11-20 | 2019-01-18 | 安徽省农业科学院水产研究所 | A kind of preparation method of stick flower fish and water quality improving agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050524A (en) * | 2010-12-31 | 2011-05-11 | 东莞市保得生物工程有限公司 | Water quality modifying agent |
| CN102757131A (en) * | 2012-07-30 | 2012-10-31 | 宜春强微生物科技有限公司 | Water quality ameliorant for aquaculture |
| CN106660843A (en) * | 2014-05-23 | 2017-05-10 | Nch公司 | Method for improving quality of aquaculture pond water |
-
2017
- 2017-10-30 CN CN201711041030.7A patent/CN107555615B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050524A (en) * | 2010-12-31 | 2011-05-11 | 东莞市保得生物工程有限公司 | Water quality modifying agent |
| CN102757131A (en) * | 2012-07-30 | 2012-10-31 | 宜春强微生物科技有限公司 | Water quality ameliorant for aquaculture |
| CN106660843A (en) * | 2014-05-23 | 2017-05-10 | Nch公司 | Method for improving quality of aquaculture pond water |
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