29 results about "Ethoxyquin" patented technology

The invention discloses piggy creep feed containing composite flavone. The piggy creep feed is prepared from the following raw materials in parts by weight: 13 to 20 parts of expanded corn, 10 to 25 parts of corn, 6 to 13 parts of broken rice, 8 to 12 parts of flour, 8 to 15 parts of whey mist, 3 to 8 parts of soy protein concentrate, 5 to 10 parts of extruded soybean, 0.7 to 3 parts of soya-bean oil, 7 to 12 parts of 46.5-percent bean pulp, 2 to 5 parts of fish meal, 2 to 5 parts of plasma protein powder, 0.3 to 0.7 part of mountain flour, 0.5 to 1.0 part of calcium hydrophosphate, 0.05 to 0.5 part of lysine, 0.05 to 0.3 part of threonine, 0.1 to 0.3 part of sodium chloride, 0.1 to 0.8 part of compound flavone premix compounds, 0.15 to 0.3 part of zinc oxide, 0.03 to 0.06 part of calcium propionate, 0.02 to 0.04 part of ethoxyquin and 1.0 part of suckling pig premix compounds. The invention also discloses a preparation method. The intestinal tract health and the production performance of weaned pigs can be improved.

The invention discloses silane modified polyether prepared from an ethoxyquin polymer, which is prepared by the following method: carrying out aminolysis reaction on the ethoxyquin polymer and epoxypropane to prepare amino alcohol; taking amino alcohol as an initiator, and carrying out polymerization reaction on the amino alcohol and epoxypropane to prepare ethyoxyl quinoline polyether polyol; the ethyoxyl quinoline polyether polyol, anhydride and epoxy organosiloxane are subjected to chemical modification, and the silane modified polyether is prepared. According to the method, resource utilization of the ethoxyquin distillation still residues is realized. Due to the introduction of a rigid nitrogen-containing heteroatom quinoline ring structure and an ester bond structure with high cohesive energy, the silane modified polyether prepared from the ethoxyquinoline polymer has the advantages of high strength, strong adhesion, moisture resistance, low odor, environmental protection, no solvent and the like after being cured, can be used for preparing glass cement, sealant, nail-free glue, ceramic tile adhesive and the like, and has wide application prospects. The method can be widely applied to building industry.

The invention relates to a compound feed capable of improving summer high-temperature resistance of haliotis diversicolor and a preparation method of the compound feed, and belongs to the field of aquatic feed. The compound feed disclosed by the invention is prepared from the following raw materials: dl-alpha-tocopherol and selenium-enriched yeast. The green disc abalone compound feed comprises the following basic components: fish meal, soybean meal, vital gluten, high gluten flour, fish oil, soybean lecithin, composite vitamins, composite minerals, beer yeast, kelp powder, vitamin C, choline chloride, sodium alginate, monocalcium phosphate, ethoxyquin and microcrystalline cellulose. Dl-alpha-tocopherol and selenium-enriched yeast are added as additives on the basis of the basic raw materials. The invention further provides a preparation method of the green disc abalone oversummer feed. The prepared finished feed can reduce the accumulative death rate of the green disc abalone in the summer culture period, and solves the problem of safe summer crossing of the green disc abalone.

The artificial compound feed is prepared from Peru fish meal, krill meal, squid meal, meat and bone meal, chicken meal, red earthworm powder, vital gluten, wheat flour, soybean meal, spirulina powder, spray-dried animal blood cells, sodium alginate, cholesterol, soybean lecithin, fish oil, astaxanthin, taurine, kieselguhr, choline chloride, ethoxyquin and mixed vitamins. The raw materials are scientifically proportioned to prepare the feed. According to the invention, the condition of tension supply of chilled fresh bait is effectively relieved, the feed is convenient to transport and store for a long time, and the breeding cost is reduced. The formula has the beneficial effects that the formula has a good food calling effect and a digestion promoting effect, and the immunocompetence and the anti-stress capability of the lobsters can be improved, so that the high survival rate and the high weight gain rate of the lobsters can be realized, and the yield of the lobsters is improved.

The invention discloses a preparation method of an aquatic soft pellet feed, and the preparation method is as follows: rosemary extract, spina gleditsiae extract, butylated hydroxyanisole, butylated hydroxytoluene, ethoxyquin and bacillus subtilis are added into the soft pellet feed. The water in the soft pellet feed is converted from a free state to a combined state, so that the water in the soft pellet feed is not easy to lose even if the soft pellet feed is stored for a long time, and the soft pellet feed can play a bacteriostatic function, so that mould is not easy to proliferate under the condition that the water retention rate of the soft pellet feed is high. In addition, the preparation process of the soft pellet feed can also avoid loss of heat-sensitive components such as vitamins, the storage period is prolonged to 6 months or above, and the soft pellet feed has wide application prospects in the aspects of storage and breeding application of the soft pellet feed.

The invention belongs to the technical field of breeding, and particularly relates to a low-cost larimichthys crocea parent fish feed with high vegetable protein replacing fish meal. The invention discloses a feed additive, which accounts for the total weight of the feed. The low-cost pseudosciaena crocea parent fish feed comprises 10% of Peru steam fish meal, 23% of soybean protein concentrate, 12.5% of corn protein powder, 8.25% of shelled soybean meal, 18.4% of high gluten flour, 8% of chicken meal, 3% of blood cell powder, 2.5% of feather meal, 2% of soybean oil, 3.5% of fish oil, 2% of soybean lecithin oil, 1% of mineral premix, 0.2% of vitamin premix, 1.25% of beer yeast, 0.1% of vitamin C phosphate, 0.1% of glucan and 2% of monocalcium phosphate. The traditional Chinese medicine composition is prepared from, by weight, 0.6% of squid paste, 0.1% of ethoxyquin, 1% of taurine and 0.5% of choline chloride. The larimichthys crocea feed is reasonable in formula design, soybean protein concentrate and the like are used for replacing part of fish meal in traditional larimichthys crocea feed, the feed manufacturing cost and the larimichthys crocea parent fish feeding cost can be effectively saved, and meanwhile the growth performance of the larimichthys crocea parent fish is not remarkably affected.

The application relates to a hapten for detecting ethoxyquin, a complete antigen and a use method thereof. The application discloses a hapten for detecting ethoxyquin, and then a complete antigen obtained by coupling ethoxyquin hapten with hemocyanin is used as an immunogen, and a complete antigen obtained by coupling ethoxyquin hapten with chicken egg white albumin is used as a coating agent. An indirect detection enzyme-linked immunoassay method for ethoxyquin is established. The half-inhibition concentration of the method for ethoxyquin is 0.96 ug / mL, the detection limit is 0.6 ug / mL, the linear detection range is 0.72 ug / mL-1.28 ug / mL, and the curve correlation coefficient is 0.996. The method is high in specificity and sensitivity, simple and fast, and has a wide application prospect in the detection of ethoxyquin residues in food. The method is very suitable for realizing rapid qualitative or quantitative detection of ethoxyquin in food by primary site personnel.

The invention discloses ethyoxyl quinoline polyurethane acrylate, which is prepared by the following method: carrying out aminolysis reaction on an ethyoxyl quinoline polymer and epoxypropane to prepare amino alcohol; taking amino alcohol as an initiator, and carrying out polymerization reaction on the amino alcohol and epoxypropane to prepare ethyoxyl quinoline polyether polyol; the preparation method comprises the following steps: carrying out a polyurethane reaction on ethoxyquin polyether polyol and diisocyanate to prepare a polyurethane intermediate; and reacting the polyurethane intermediate with acrylate containing a hydroxyl functional group to prepare the ethyoxyl quinoline polyurethane acrylate. The invention also discloses an application of the ethyoxyl quinoline polyurethane acrylate in preparation of UV coatings, printing ink and adhesives. After being cured, polyurethane acrylate prepared from the ethoxyquin polymer has the excellent properties of high hardness, wear resistance, scratch resistance, heat resistance, weather resistance and the like, and can be used as a raw material of UV coatings, printing ink and adhesives.

The invention relates to the technical field of prevention and control of aquatic diseases, in particular to a preparation method of a pelteobagrus fulvidraco intestinal inflammation composite regulation preparation containing omega-3 fatty acid-lipoxin-phospholipid. The composite regulation and control preparation is prepared from the following functional components: 20 to 30 parts of eicosapentaenoic acid, 0.1 to 0.5 part of lipoxin B4, 8 to 12 parts of phosphatidylserine, 1 to 2 parts of dehydroabietic acid, 10 to 18 parts of sophorobiose and 0.01 to 0.03 part of ethoxyquin. The product integrates the functions of resisting bacteria, promoting inflammation regression and promoting tissue repair through a multi-target synergistic mechanism to construct a complete inflammation regulation and control pathway; meanwhile, by virtue of a nano-liposome dosage form technology, the active ingredients are effectively protected; the product is completely compounded from natural components to realize an antibacterial effect. According to the technical scheme, the technical problems of low antibacterial efficiency, single action mechanism, insufficient mucous membrane repair capability and the like of the existing prevention and control technology for the intestinal inflammation of the pelteobagrus fulvidraco can be solved, and the pelteobagrus fulvidraco has an ideal application prospect.

The invention belongs to the technical field of experimental animal nutriology, and discloses a high-fat feed composition for mouse metabolic syndrome and a preparation process of the high-fat feed composition. The high-fat feed composition comprises casein VTF, DL-methionine, corn starch, maltodextrin, cane sugar, cellulose, anhydrous milk fat, corn oil, ethoxyquin, a mineral mixture S10001AIN-76A, calcium carbonate, a vitamin mixture 40060-D and cholesterol. The preparation process comprises the following steps: S1, pretreating the raw materials; S2, preparing the materials; S3, mixing the materials; S4, granulating; the high-fat feed provided by the invention can effectively improve the food consumption of mice and ensure the weight growth rate of the mice; and on the basis that the atherosclerosis animal model is stable, the time required for preparing the atherosclerosis mouse is shortened.

The invention belongs to the technical field of antibiotic production, and particularly relates to a method for increasing the yield of an aureomycin premix. The method comprises the following steps: sampling aureomycin fermentation liquor, detecting the titer of the fermentation liquor and the dry matter of the fermentation liquor, calculating the use amount of calcium carbonate according to the preparation specification of the aureomycin premix to be produced, the volume of the fermentation liquor and the actual yield value, and adding calcium hydrophosphate and ethoxyquin according to the corresponding proportion to obtain the aureomycin calcium salt complex. And carrying out plate frame filtration and flash evaporation drying to obtain the aureomycin premix. According to the invention, the stability of the aureomycin calcium salt is effectively improved, and the yield of the aureomycin premix is improved. The method is simple in technological process, controllable in operation, stable in product quality and low in production cost.

The present application relates to the technical field of aquatic disease prevention and control, and particularly relates to a preparation method of a compound regulator for enteron inflammation of Pelteobagrus fulvidraco containing omega-3 fatty acid-lipoxin-phospholipid. The functional components of the compound regulator include eicosapentaenoic acid 20-30 parts, lipoxin B4 0.1-0.5 parts, phosphatidylserine 8-12 parts, dehydroabietic acid 1-2 parts, sophorobiose 10-18 parts and ethoxyquinoline 0.01-0.03 parts. The product integrates the functions of antibiosis, inflammation subsiding and tissue repair through a multi-target synergistic mechanism, and builds a complete inflammation regulation pathway. Meanwhile, the active ingredients are effectively protected by means of nano-liposome dosage form technology. The product realizes the antibiosis function by using natural ingredients. The technical scheme can solve the technical problems of low antibiosis efficiency, single mechanism and insufficient mucosal repair capacity of the existing prevention and control technology for enteron inflammation of Pelteobagrus fulvidraco, and has an ideal application prospect.

The invention relates to the technical field of feed additives, in particular to a feed additive for improving egg shell quality of laying hens and a preparation method thereof. The feed additive for improving the egg shell quality of the laying hens is prepared from the following components in parts by weight: 2 to 4 parts of taurine, 3 to 5 parts of radix angelicae sinensis, 3 to 5 parts of herba leonuri, 1 to 3 parts of iron glycinate, 2 to 3 parts of manganese glycinate, 0.5 to 1 part of zinc methionine, 0.1 to 0.4 part of selenium yeast, 0.1 to 0.2 part of 25-hydroxyD3, 3 to 5 parts of bile acid, 2 to 5 parts of enterococcus faecium, 1 to 2 parts of yeast cell wall polysaccharide, 2 parts of compound enzyme and 20 to 30 parts of montmorillonite. 40-50 parts of stone powder, 1 part of ethoxyquin and 10 parts of rice husk powder.

The invention relates to the technical field of livestock breeding, and discloses a preparation method of a slow-release acid-control premix for cattle and sheep feed production, the premix is prepared by fully mixing a plurality of micronutrients with a carrier according to a specific proportion, and the premix comprises the following components: vitamins such as vitamin A, vitamin D, vitamin E, vitamin B and the like; for example, iron, copper, zinc, manganese, selenium, iodine and the like; an enzyme preparation, such as cellulase, amylase, phytase; probiotics and saccharomycetes; buffer agents: calcium formate and magnesium oxide; an antioxidant, such as ethoxyquin, BHT; and a mildew inhibitor such as potassium acid calcium. According to the preparation method of the slow-release acid-control premix produced by the cattle and sheep feed, through the acid-control additive, a suitable environment for rumen microorganisms is maintained, nutrient absorption is promoted, acidosis is prevented, subclinical or acute rumen acidosis caused by too high acid load is prevented, and the utilization rate of the feed is improved; the feed conversion rate is improved.

To provide a feed additive containing at least a fat-soluble vitamin, and a method for producing the additive, and furthermore, a feed containing such a feed additive, and a replenishment method and a corresponding use.SOLUTION: A feed additive contains: a) fat-soluble vitamin in an amount within a range of at least 1 to 40 wt.%; b) lignosulfonate in an amount within a range of at least 5 to 55 wt.%; and c) at least one compound selected from hexose dimer, modified hexose dimer, hexose oligomer, modified hexose oligomer, hexose polymer, modified hexose polymer, and their arbitrary mixture in an amount of at least 10 wt.%, where the lignosulfonate and the compound c) form a matrix in which the fat-soluble vitamin is encapsulated, an amount of ethoxyquin in the feed additive is ≤0.5 wt.%, and an amount of butylated hydroxytoluene in the feed additive is ≤0.5 wt.% (the total amount is the total weight of the feed additive).SELECTED DRAWING: None

The invention discloses silane-terminated polyether prepared from an ethoxyquin polymer, which is prepared by the following method: carrying out aminolysis reaction on the ethoxyquin polymer and epoxypropane to prepare amino alcohol; taking amino alcohol as an initiator, and carrying out polymerization reaction on the amino alcohol and epoxypropane to prepare ethyoxyl quinoline polyether polyol; the ethyoxyl quinoline polyether polyol and organic siloxane containing an isocyanate group are subjected to a reaction, and the silane-terminated polyether is prepared. According to the method, resource utilization of the ethoxyquin distillation still residues is realized. Due to the introduction of a rigid nitrogen-containing heteroatom quinoline ring structure and a polar carbamate structure, the silane-terminated polyether prepared from the ethoxyquinoline polymer has the advantages of high curing speed, high strength after curing, strong adhesion, moisture resistance, low odor, environment friendliness, no solvent and the like, can be used for glass cement, sealant, nail-free glue, ceramic tile adhesive and the like, and has wide application prospects. The method can be widely applied to building industry.

This invention provides a functional feed for improving the quality of farmed large yellow croaker, belonging to the field of feed technology. The formula of the functional feed provided by this invention includes the following components: fish meal, chicken meal, Clostridium ethanol, cottonseed protein concentrate, enzymatically hydrolyzed chicken syrup, tapioca flour, wheat flour, fish oil, soybean oil, soybean lecithin, vitamin premix, mineral premix, choline chloride, calcium dihydrogen phosphate, compound vitamin supplement, compound amino acid supplement, kelp powder containing gum, ethoxyquin, antifungal agent, antioxidant TBHQ, microcrystalline cellulose, guanidinoacetic acid, 5-aminoacetic acid propionic acid, and Eucommia ulmoides leaf extract. This invention, through the combination of different formulas and components, produces a synergistic effect in reducing drip loss and cooking loss in large yellow croaker muscle, further enhancing the role of functional feed in improving quality.

The invention discloses a UV (ultraviolet) resin prepared from an ethoxyquin polymer, which is prepared by the following steps: by taking butyl acetate as a reaction solvent, reacting the ethoxyquin polymer with succinic anhydride under the action of a catalyst to prepare a carboxyl modified ethoxyquin polymer; the preparation method comprises the following steps: reacting bisphenol A epoxy resin with acrylic acid under the action of a catalyst and a polymerization inhibitor to prepare a composition of an epoxy acrylate intermediate and bisphenol A epoxy diacrylate; n-butyl acetate is used as a reaction solvent, under the action of a catalyst and a polymerization inhibitor, a carboxyl-modified ethoxyquinoline polymer reacts with a composition of an epoxy acrylate intermediate and bisphenol A type epoxy diacrylate until the acid value is smaller than or equal to 3.0 mgKOH / g, n-butyl acetate is removed through reduced pressure distillation, a UV reactive diluent is added for dissolution, filtering is conducted, and the UV resin is prepared. The UV resin prepared by taking the ethoxyquinoline polymer as the raw material can be applied as a raw material of a UV coating, ink and an adhesive.

A treatment composition includes from about 0.01 to about 3 wt.% of ethoxyquin; ethoxyquin dimer; and from about 1 wt.% to about 20 wt.% of nonionic surfactant. A method for treating a stain on a fabric includes washing the fabric in a wash liquor comprising a treatment composition. The treatment composition includes from about 0.01 to about 3 wt.% of ethoxyquin; ethoxyquin dimer; and from about 5 wt.% to about 20 wt.% of nonionic surfactant.

The invention belongs to the technical field of food safety and rapid detection, and particularly relates to a time-resolved fluorescent probe for rapidly detecting ethoxyquin, an immunochromatography test strip, a detection method and application. The probe Eu-EQ-mAb is prepared by indirect coupling of europium fluorescent microspheres and ethoxyquin monoclonal antibodies, the particle size of the microspheres is 150-250 nm, and the emission peak is 610-625 nm. The test strip comprises a PVC (polyvinyl chloride) bottom plate, a sample pad, a nitrocellulose membrane coated with a detection line T and a quality control line C, and a water absorption pad, during detection, a sample and the probe are pre-reacted and then are subjected to chromatography, and a result is judged through a T / C value. During detection, after the Eu-EQ-mAb fluorescent probe and a sample are subjected to pre-reaction, immunochromatography is carried out, and a T / C value judgment result is read. The semi-quantitative detection limit of the method is 0.5-1 [mu] g / L, the detection sensitivity of the method in large yellow croakers, perches and pears reaches 5 [mu] g / kg, intra-batch and inter-batch variation coefficients are smaller than 10%, and the method has the advantages of being easy and convenient to operate, rapid in detection, high in sensitivity and the like and is suitable for on-site rapid screening of ethoxyquin residues in food.

A treatment composition includes from about 0.01 to about 3 wt % of ethoxyquin; ethoxyquin dimer; and from about 1 wt % to about 20 wt % of nonionic surfactant. A method for treating a stain on a fabric includes washing the fabric in a wash liquor comprising a treatment composition. The treatment composition includes from about 0.01 to about 3 wt % of ethoxyquin; ethoxyquin dimer; and from about 5 wt % to about 20 wt % of nonionic surfactant.

The invention belongs to the technical field of livestock breeding, discloses a complete feed for improving the growth performance of secondary fattening pigs and application of the complete feed, and particularly discloses the complete feed which comprises corn, wheat bran, flour, soybean meal, rice hull powder, mountain flour, calcium bicarbonate, phytase, ethoxyquin, lysine sulfate, amino acid, sodium chloride, calcium propionate and a premix. The secondary fattening pig complete formula feed based on standard ileum digestible lysine and net energy ratio matching can optimize the SID-Lys / NE ratio to balance protein deposition and energy metabolism, significantly reduce the feed conversion ratio of fattening pigs, reduce the meat making cost and improve the fur state.

This invention relates to the field of feed technology and provides a compound feed and preparation method for enhancing the redness of cooked river crab shells and crab roe. The feed comprises the following raw materials by weight percentage: fish meal 25-32%, defatted soybean 8-12%, blood meal 3-5%, cottonseed meal 3-5%, cottonseed meal enzymatically hydrolyzed protein 0.8-1.6%, peanut meal 16-20%, rapeseed meal 1.5-2.5%, α-starch 18-22%, soybean lecithin oil 2.5-4.0%, fish oil 1-2%, calcium dihydrogen phosphate 1.2%-1.5%, zeolite powder 0.6-1.0%, compound premix 1%, capsanthin 0.5-1.0%, zeaxanthin 0.3-0.5%, natural astaxanthin 0.1-0.2%, bile acids 0.5%, and ethoxyquinoline 0.5%. This invention utilizes the strong emulsifying properties of phospholipids to improve the bioavailability of carotenoids and enhance the redness of the hepatopancreas and crab shell; it also utilizes the phospholipid components rich in soybean phospholipid oil to promote the development of crab gonads, increase the volume of crab roe (hepatopancreas and gonads), and further enhance the overall visual redness of the crab roe through pigment accumulation during gonad development.

This invention relates to the field of aquatic feed technology, specifically to a largemouth bass and black soldier fly oil feed and its preparation method, which is made by mixing basic components, oil source components, additives and functional components. The basic components include the following ingredients in parts by weight: 30-40% fish meal, 3-8% soybean meal, 15-25% chicken meal, 3-8% corn gluten meal, 10-15% cottonseed protein, 4-10% wheat flour and 2-6% cassava starch. The oil source components include the following ingredients in parts by weight: 1-2% soybean oil, 2-5% black soldier fly larvae oil and 1-3% Schizochytrium oil. The functional components include the following ingredients in parts by weight: 0.5-1.5% premix, 0.5-1.0% choline chloride, 0.05-0.2% vitamin C, 0.1-1.0% DL-methionine and 0.05-0.2% ethoxyquin. The fish oil-free compound oil feed of the present invention can not only replace fish oil, but also supplement n-3 LC-UFA through Schizochytrium oil, which can improve the problem of insufficient deposition of unsaturated fatty acids in muscle and deterioration of muscle fiber structure caused by the use of black soldier fly larvae oil alone, thus improving both economic benefits and meat quality.

The invention belongs to the technical field of feed additives, and discloses a modified zeolite compound feed additive and a preparation method thereof. The modified zeolite compound feed additive comprises the following raw materials in parts by weight: 66-75 parts of modified zeolite, 11-15 parts of an antibacterial agent, 10-18 parts of vitamins, 4-9 parts of amino acids and 0.05-0.2 part of ethoxyquin. When the modified zeolite compound feed additive is added into feed, the residual quantity of various heavy metals in animal products can be effectively reduced, oxidative damage caused by the heavy metals can be relieved, the stress reaction of the heavy metals in organisms can be balanced, and meanwhile, the quality of the animal products can be improved by utilizing the antibacterial and antioxidant effects of the additive.

The invention discloses ethyoxyl quinoline polyether polyol which is prepared by the following method: carrying out aminolysis reaction on an ethyoxyl quinoline polymer and epoxypropane to prepare amino alcohol; and carrying out polymerization reaction on amino alcohol serving as an initiator and epoxypropane to prepare the ethyoxyl quinoline polyether polyol. The invention also discloses application of the polyether polyol in preparation of a waterproof material, a UV coating, printing ink or an adhesive. The method comprises the following steps: dissolving ethoxyquin distillation still residues by using an organic solvent selected from xylene or butyl acetate, extracting organic molecules, filtering to remove high-temperature carbides, carrying out aminolysis reaction on ethoxyquin polymer secondary amine functional groups and epoxypropane, and introducing hydroxyl to prepare amino alcohol; and further taking amino alcohol as an initiator, and carrying out polymerization reaction with epoxypropane under the action of a catalyst to prepare the polyether polyol. According to the method, resource utilization of the ethoxyquin distillation still residues is realized.

This invention relates to the field of biotechnology, and particularly to a reagent for detecting arachidonic acid in platelet aggregation function and its preparation method. This invention provides the application of ethoxyquinoline, dimercaprol, and / or poloxamer 124 in the preparation of a platelet aggregation function detection kit. This invention uses ethoxyquinoline and dimercaprol as a combined antioxidant, improving the stability of the arachidonic acid reagent; the addition of poloxamer 124 and ultrasonic treatment promotes uniform dispersion and stability of the reagent system, thereby improving the sensitivity to anti-platelet aggregation drugs, such as aspirin.

This invention discloses a rapid tissue culture propagation method for Queen Tulip. By adding 4-8 mg / L of ethoxyquin to the induction medium, proliferation medium, and rooting and seedling strengthening medium, this invention promotes the germination of dormant buds from Queen Tulip rhizomes, significantly improving bud germination rate, proliferation, and rooting and seedling strengthening, as well as increasing bud germination rate, proliferation rate, and root and leaf growth. This invention effectively expands the explant sources for Queen Tulip and provides reliable and efficient technical guidance for the large-scale production of Queen Tulip tissue culture seedlings.

The invention discloses a compound antioxidant feed additive as well as a preparation method and application thereof, and belongs to the technical field of feed additives. According to the additive, ethoxyquin and butylated hydroxytoluene are used as anti-oxidation and heat-stable components, rutin and zeaxanthin are used as light-stable components, high-purity phytic acid is creatively added to realize targeted chelation of metal ions, all the components have a synergistic effect, and the problems of high-temperature granulation decomposition, illumination oxidation and metal ion catalytic rancidity of feed are effectively solved. The compound feed is reasonable in formula, simple and convenient in process, low in cost, obviously superior to conventional products in light and heat stability and antioxidant effect, suitable for livestock and poultry and aquatic products, and good in industrial application value.