CN114343085A - Aquaculture nutritional supplement and preparation method thereof - Google Patents
Aquaculture nutritional supplement and preparation method thereof Download PDFInfo
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- CN114343085A CN114343085A CN202210008704.8A CN202210008704A CN114343085A CN 114343085 A CN114343085 A CN 114343085A CN 202210008704 A CN202210008704 A CN 202210008704A CN 114343085 A CN114343085 A CN 114343085A
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 29
- 244000144974 aquaculture Species 0.000 title claims abstract description 29
- 235000015872 dietary supplement Nutrition 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 37
- 229920002101 Chitin Polymers 0.000 claims abstract description 21
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 14
- 239000010457 zeolite Substances 0.000 claims abstract description 14
- 229940037003 alum Drugs 0.000 claims abstract description 8
- HDMGAZBPFLDBCX-UHFFFAOYSA-M potassium;sulfooxy sulfate Chemical compound [K+].OS(=O)(=O)OOS([O-])(=O)=O HDMGAZBPFLDBCX-UHFFFAOYSA-M 0.000 claims abstract description 8
- 239000013589 supplement Substances 0.000 claims abstract description 6
- 235000016709 nutrition Nutrition 0.000 claims abstract description 5
- 230000035764 nutrition Effects 0.000 claims abstract description 5
- 235000015170 shellfish Nutrition 0.000 claims description 8
- 241000238557 Decapoda Species 0.000 claims description 7
- 241000237858 Gastropoda Species 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 235000020639 clam Nutrition 0.000 claims description 4
- 241000237509 Patinopecten sp. Species 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 235000020637 scallop Nutrition 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229920001661 Chitosan Polymers 0.000 claims description 2
- 241000237536 Mytilus edulis Species 0.000 claims description 2
- 241000237502 Ostreidae Species 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000013505 freshwater Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 235000020638 mussel Nutrition 0.000 claims description 2
- 235000020636 oyster Nutrition 0.000 claims description 2
- 239000006187 pill Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 238000009395 breeding Methods 0.000 claims 1
- 230000001488 breeding effect Effects 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 230000012010 growth Effects 0.000 abstract description 10
- 239000003337 fertilizer Substances 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 6
- 241001465754 Metazoa Species 0.000 abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 4
- 150000001413 amino acids Chemical class 0.000 abstract description 4
- 238000012851 eutrophication Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 230000020477 pH reduction Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 2
- 239000011573 trace mineral Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 235000001014 amino acid Nutrition 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 235000021190 leftovers Nutrition 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001747 carotenoids Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000243 photosynthetic effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000196317 Platymonas Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000204606 Tetraselmis helgolandica Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 241001148683 Zostera marina Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000021466 carotenoid Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229930002868 chlorophyll a Natural products 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
- 229930002869 chlorophyll b Natural products 0.000 description 1
- NSMUHPMZFPKNMZ-VBYMZDBQSA-M chlorophyll b Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C=O)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 NSMUHPMZFPKNMZ-VBYMZDBQSA-M 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229960002413 ferric citrate Drugs 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NPFOYSMITVOQOS-UHFFFAOYSA-K iron(III) citrate Chemical compound [Fe+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NPFOYSMITVOQOS-UHFFFAOYSA-K 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Abstract
The invention relates to the field of aquaculture, in particular to an aquaculture nutrition supplement and a preparation method thereof. The nutrition replenisher comprises, by weight, 70-90 parts of shell powder, 8-20 parts of chitin powder, 2-6 parts of artificial zeolite powder, 1-4 parts of alum and 0.3-1.0 part of potassium hydrogen persulfate. The nutritional supplement can provide carbonate concentration and calcium carbonate saturation, and adjust the pH of the water body, thereby avoiding acidification; trace elements, amino acid, carbon source and nitrogen source are supplemented, so that the use of inorganic fertilizer is reduced, and the abundance of microalgae bait is improved; removing hydrogen sulfide in the substrate, reducing the accumulation of nitrite, avoiding water eutrophication, improving the growth environment of the aquaculture animals, finally promoting the growth of the aquaculture animals and improving the yield.
Description
Technical Field
The invention relates to the field of aquaculture, in particular to an aquaculture nutrition supplement and a preparation method thereof.
Background
Most shellfish live on filter feeding phytoplankton and organic debris. In the shellfish culture process, especially in the seedling stage, microalgae is additionally applied as bait for ensuring the growth of the shellfish, and inorganic fertilizers such as nitrogen, phosphorus, potassium and the like are required as nutrients for culturing the bait. In recent years, the shellfish culture scale development in China is rapid, but the current culture mode is mainly a culture mode of high-density stocking, large amount of fertilization and bait casting. And the inorganic fertilizer is used in a large amount for a long time, so that the problems of water eutrophication, oxygen deficiency, nitrite accumulation and the like are easily caused, the water quality health is influenced, and the ecology of a natural water area is deteriorated. Under the sustainable development environment, the problems of environmental ecology are avoided, the use of inorganic fertilizers is imperative, and the problem of ensuring the growth of baits is a subject to be discussed.
The aquaculture scale of China is huge, and a large amount of leftovers such as shells, spiral shells, shrimp and crab shells and the like can be produced every year. At present, the leftovers are mainly discarded as processing wastes or used for producing low-value feed, and have low resource utilization rate and serious pollution emission. If the leftovers are changed into valuable things and are utilized in a high-value mode, the method has great significance for improving the technical level of sustainable utilization of marine biological resources in China and promoting the sustainable development of marine agriculture and marine biological industry.
Disclosure of Invention
The invention aims to provide an aquaculture nutritional supplement and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
the aquaculture nutrition supplement comprises, by weight, 70-90 parts of shell powder, 8-20 parts of chitin powder, 2-6 parts of artificial zeolite powder, 1-4 parts of alum and 0.3-1.0 part of potassium hydrogen persulfate.
The shell powder is prepared from shell shells or snail shells through cleaning, high-temperature drying, crushing and sieving (100-mesh and 200-mesh); wherein the shellfish shell is one or more of mussel, scallop, clam, oyster and razor clam, and the snail shell is one or more of whelk and conch.
The chitin powder is prepared by crushing chitin with molecular weight of 20-200kDa to particle size of less than 100 meshes; wherein the chitin is chitin and/or its downstream product chitosan.
The artificial zeolite powder is prepared by crushing artificial zeolite to 60-200 meshes for later use.
The nutritional supplement is prepared into powder, granules or pills.
A preparation method of aquaculture nutritional supplement comprises mixing the components at the ratio to obtain aquaculture nutritional supplement.
The use of an aquaculture nutritional supplement for use as an additive to baits in marine aquaculture crop nursery cultures; it is used in an amount of 2-6kg/m2。
The aquaculture crops are shellfish, snails, shrimps, crabs and phytophagous fishes; the bait is fresh water or marine microalgae.
The invention has the beneficial effects that:
the nutritional supplement can provide carbonate concentration and calcium carbonate saturation, and adjust the pH of the water body, thereby avoiding acidification; trace elements, amino acid, carbon source and nitrogen source are supplemented, so that the use of inorganic fertilizer is reduced, and the abundance of microalgae bait is improved; removing hydrogen sulfide in the substrate, reducing the accumulation of nitrite, avoiding water eutrophication, improving the growth environment of the aquaculture animals, finally promoting the growth of the aquaculture animals and improving the yield.
Drawings
FIG. 1 is a graph illustrating the effect of nutritional supplements on the pH of a body of water according to embodiments of the present invention.
FIG. 2 is a graph showing the effect of nutritional supplements on photosynthetic pigments of Pachylomyces lanuginosus provided by an embodiment of the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The shell is added into the nutritional supplement, so that the nutritional supplement contains abundant calcium elements, also contains microelements such as strontium, magnesium, aluminum, silicon, iron and the like, and also contains various amino acids such as aspartic acid, glycine, glutamic acid and the like, and can provide the microelements and the amino acid requirements for the microalgae; the chitin is mainly used as the shell of the shrimps and the crabs and can improve organic carbon and organic nitrogen for the microalgae; and the nutritional supplement can ensure the growth of microalgae bait while reducing the using amount of inorganic fertilizer, thereby reducing the probability of water eutrophication and water quality deterioration.
The following examples were obtained for each material:
obtaining shell powder: removing tissue from scallop collected from market, cleaning shell with clear water, oven drying at 100 deg.C, pulverizing with pulverizer, and sieving with 100 mesh sieve to obtain shell powder with particle size of 100 mesh.
Obtaining chitin powder: chitin is purchased from Qingdao cloud biotech ltd and has a molecular weight of 150 kDa; the chitin raw material is refined by a grinder and is sieved by a 100-mesh sieve, and the chitin powder with the particle size of 100 meshes is obtained.
Obtaining artificial zeolite powder: the artificial zeolite particles are purchased from Shanghai Michelin Biochemical technology, Inc., and are manually crushed, refined by a crusher, and sieved by a 100-mesh sieve to obtain the artificial zeolite powder with the particle size of 100 meshes.
Example 1:
the composition is prepared from the following raw materials in percentage by mass: 100g of shell powder (76.9%), 20g of chitin powder (15.4%), 6g of artificial zeolite powder (4.6%), 3g of alum (2.3%) and 1g of potassium hydrogen persulfate (0.7%).
Example 2:
the composition is prepared from the following raw materials in percentage by mass: 100g of shell powder (86.9%), 10g of chitin powder (8.7%), 3g of artificial zeolite powder (2.6%), 1.5g of alum (1.3%) and 0.5g of potassium hydrogen persulfate (0.4%).
Example 3:
the composition is prepared from the following raw materials in percentage by mass: 100g of shell powder (68%), 30g of chitin (20.4%), 9g of artificial zeolite powder (6.1%), 6g of alum (4.1%) and 2g of potassium hydrogen persulfate (1.4%).
Example 4:
the composition is prepared from the following raw materials in percentage by mass: 200g of shell powder (86.9%), 20g of chitin powder (8.7%), 6g of artificial zeolite powder (2.6%), 3g of alum (1.3%) and 1g of potassium hydrogen persulfate (0.4%).
Example 5:
the composition is prepared from the following raw materials in percentage by mass: shell powder 200g (81.0%), chitin powder 30g (12.1%), artificial zeolite powder 9g (3.6%), alum 6g (2.4%), potassium hydrogen persulfate 2g (0.8%). The nutrient obtained by the embodiment is used for verifying whether the nutrient regulates the pH value of the water body and promotes the growth of microalgae bait, and the following experiments are carried out:
the supplement of example 2 was added to artificial seawater at 5% and 10% respectively, and the change in pH of the water before and after the addition was examined for 18 days.
The supplement of example 2 was added to 100mL of sterilized seawater at 1g (1 wt%) and 2g (2 wt%) of each nutrient, and then 1mL of nutrient salt (containing 6mg of sodium nitrate, 0.4mg of potassium dihydrogen phosphate, 1.8mg of urea, 0.05mg of ferric citrate) was added, and after mixing, 1mL of Platymonas grandis (Platymonas Helgolandica tsingtaoensis) at logarithmic growth phase was added, and cultured in light at 20 ℃ for 12 h/dark for 12h, and the content of photosynthetic pigments in the microalgae was measured after 1 month, as follows: taking 2mL of culture solution in a 10mL centrifuge tube, centrifuging for 5min at 12000rpm, removing supernatant, adding 2mL of 80% acetone solution for suspension, centrifuging for 5min at 12000rpm in a water bath at 55 ℃, taking supernatant in a 10mL centrifuge tube, diluting to 5mL with 80% acetone, and measuring absorbance at 440nm, 663nm and 645nm (see FIG. 2), wherein the measurement formulas of chlorophyll a (Chl a), chlorophyll b (Chl b) and carotenoid (Car) are as follows:
Chl a＝12.7ⅹOD663-2.69ⅹOD645
Chl b＝22.9ⅹOD663-4.68ⅹOD645
Car＝4.7ⅹOD663–0.27ⅹ(a+b)。
as can be seen from fig. 1, the addition of the nutritional supplement results in a significant increase in carbonate content in the water, with the result that the pH rises significantly and then stabilizes at an alkaline level, whereby acidification of the water is avoided. As can be seen from FIG. 2, the light and pigment contents of the Zostera marina, Qingdao, can be significantly increased after the nutritional supplement is added, i.e., the growth of the microalgae is significantly promoted.
Therefore, the nutritional supplement can improve and stabilize the pH of the water body, improve the saturation of carbonate and calcium carbonate in the water body, improve the abundance of microalgae bait and promote the growth of aquatic animals taking microalgae as the bait on the premise of reducing the application of fertilizers.
Claims (8)
1. An aquaculture nutritional supplement, comprising: the nutrition replenisher comprises, by weight, 70-90 parts of shell powder, 8-20 parts of chitin powder, 2-6 parts of artificial zeolite powder, 1-4 parts of alum and 0.3-1.0 part of potassium hydrogen persulfate.
2. The aquaculture nutritional supplement of claim 1, wherein: the above-mentioned
The shell powder is prepared from shell shells or snail shells through cleaning, high-temperature drying, crushing and sieving (100-200 meshes); wherein the shellfish shell is one or more of mussel, scallop, clam, oyster and razor clam, and the snail shell is one or more of whelk and conch.
3. The aquaculture nutritional supplement of claim 1, wherein: the chitin powder is prepared by crushing chitin with molecular weight of 20-200kDa to particle size of less than 100 meshes; wherein the chitin is chitin and/or its downstream product chitosan.
4. The aquaculture nutritional supplement of claim 1, wherein: the artificial zeolite powder is prepared by crushing artificial zeolite to 60-200 meshes for later use.
5. An aquaculture nutritional supplement according to any one of claims 1-4 wherein: the nutritional supplement is prepared into powder, granules or pills.
6. A method of preparing an aquaculture nutritional supplement of claim 1, wherein: the aquaculture nutritional supplement is prepared by mixing the ingredients as described in claim 1.
7. Use of an aquaculture nutritional supplement according to claim 1, characterized in that: the supplement is applied to the bait additive in the breeding culture of marine aquaculture crops; the dosage of it is 2-6kg/m2。
8. Use of an aquaculture nutritional supplement according to claim 7 wherein: the aquaculture crops are shellfish, snails, shrimps, crabs and phytophagous fishes; the bait is fresh water or marine microalgae.
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| CN202210008704.8A CN114343085A (en) | 2022-01-06 | 2022-01-06 | Aquaculture nutritional supplement and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101756063A (en) * | 2008-11-04 | 2010-06-30 | 洪福山 | Feed additive capable of improving growth environment of cultured fish and shrimp |
| CN104364317A (en) * | 2012-04-13 | 2015-02-18 | 流体固体股份公司 | Biodegradable material made of biological components |
| CN107950816A (en) * | 2017-12-20 | 2018-04-24 | 威海市四合生物科技有限公司 | A kind of microelement-supplementing product and its preparation process applied to aquaculture |
-
2022
- 2022-01-06 CN CN202210008704.8A patent/CN114343085A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101756063A (en) * | 2008-11-04 | 2010-06-30 | 洪福山 | Feed additive capable of improving growth environment of cultured fish and shrimp |
| CN104364317A (en) * | 2012-04-13 | 2015-02-18 | 流体固体股份公司 | Biodegradable material made of biological components |
| CN107950816A (en) * | 2017-12-20 | 2018-04-24 | 威海市四合生物科技有限公司 | A kind of microelement-supplementing product and its preparation process applied to aquaculture |
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