589results about How to "Increase weight gain" patented technology

A stable solid controlled release formulation having a coating derived from an aqueous dispersion of a hydrophobic acrylic polymer includes a substrate including an active agent selected from the group consisting of a systemically active therapeutic agent, a locally active therapeutic agent, a disinfecting and sanitizing agent, a cleansing agent, a fragrance agent and a fertilizing agent, overcoated with an aqueous dispersion of the plasticized water-insoluble acrylic polymer. The formulation provides a stable dissolution of the active agent which is unchanged after exposure to accelerated storage conditions.

The invention provides bacillus subtilis K018 which is strong in stress resistance, excellent in probiotics function and safe and reliable, a biological feed additive containing the bacillus subtilis K018 and use thereof. The bacillus subtilis K018 provided by the invention can resist artificial gastric acid, cholate, artificial intestinal juice and high temperature, has stronger inhibiting effects to pathogenic staphylococcus aureus, escherichia coli, salmonella enteritidis and the like in the intestinal tract, is stronger in amylase and cellulase generating capacity, and can degrade starch and cellulose.

The invention provides a composite amino acid ecological nutritious agent, which comprises sea weed fermentation liquor, fermentation liquor of animal leftover bits and pieces, trace elements, and biological bacterium. The functions of the agent include stimulating growth, suppressing pathogenic agent and reinforcing immunization.

The invention discloses a health-care compound feed for prawns and a production method thereof. The invention aims to provide a health-care compound feed for prawns, which can improve immunity in the prawns, utilization rate of feed and water quality, and a production method thereof. The formula of the raw material comprises the following components in part by weigh: 1 to 6 parts of imported white fish meal, 20 to 25 parts of steamed fish meal imported from Taiwan, 2 to 8 parts of steamed fish meal made in China, 18 to 22 parts of high-gluten wheat flour, 15 to 22 parts of peeled soybean pulp, 8 to 15 parts of peanut cakes, 2 to 6 parts of defatted shrimp meal, 1 to 3 parts of beer yeast cream, 1 to 3 parts of soyabean lecithin oil, 0.5 to 2 parts of refined fish oil, 0.5 to 2 parts of monocalcium phosphate and 1 to 4 parts of additive premix. The production method comprises: crushing, primary material mixing, secondary material mixing, hardening and tempering, granulating, braising, aging, drying, cooking, sieving and packaging. The invention can improve the breeding yield of pawns, reduce discharge pollution, improve water environment and the like.

The invention discloses river crab feed, which comprises fish meal, vegetable dregs, corn, soya bean meal, inferior meal, soya-bean oil, shrimps, cuttlefish ointment, monocalcium phosphate, mineral substances for crabs, vitamin for the crabs, a binder, 0.7 to 14.0 mg / kg of cordycepin, 131.0 to 2,620.0 mg / kg of cordycepic acid, 0.1 to 2.0 mg / kg of adenosine and 290.0 to 5,800.0 IU / kg of superoxide dismutase. The river crab feed has the high utilization rate, reduces the pollution of feed residues to environment, avoids the negative effects of antibiotic residues and tolerance caused by the antibiotic residues, is safe and harmless to the craps and the environments and can enhance the immunity of the crabs and accelerate the growth of the crabs. The invention also provides a production process of the river crab feed, which has the characteristics of low cost and simple and convenient operation.

The invention discloses a body-immunity-enhancing composite Chinese herbal medicine pig feed additive and a preparation method thereof. The invention belongs to the field of pig feed additive. The invention provides a technical scheme that the pig feed additive is composed of, by weight: 10-15 parts of eucommia leaf powder, 5-10 parts of echinacea powder, 8-15 parts of wormwood powder, 10-20 parts of purslane powder, 8-15 parts of pine needle powder, 3-6 parts of selenium yeast, 5-8 parts of cellulase, 10-20 parts of a Chinese herbal medicine preparation, 10-15 parts of a bacillus subtilis CGMCC6012 preparation, and 10-25 parts of medicated diet fungi. The preparation method comprises the step that the above materials prepared with a lyophilizing method are well mixed, such that the additive is prepared. According to the invention, through scientific compounding of the natural materials, problems of low animal immunities, excessive antibiotic dosage, and product quality reduction existing in current feed breeding are effectively solved.

The present invention relates to the field of feed formula design, specifically to a novel green broiler chickens complete feed and technique of preparing the same. A safe, pollution-free novel green broiler chickens complete feed of the invention is composed of the following components by weight parts: 55 -60 parts of corn, 10 -20 parts of dehulled bean pulp, 2 -3 parts of corn protein powder, 2 -3 parts of corn alcohol dreg, 2 -5 parts of cottonseed meal, 2 -8 parts of Chinese herbal compound preparation, 0.3-0.4 parts of multi-vitamin, 0.2 parts of composite trace elements. Thebroiler chickens complete feed develops a novel pollution-free non-drug residue green broiler chickens complete feed by adding Chinese herbal compound preparation. The broiler chickens fed by the feed greatly enhances immune function, greatly enhances the immunity against the disease and substantially improves the survival rate.

The invention relates to a feed fermented by utilizing traditional Chinese medicine drugs and a preparation method of the feed. The feed is prepared from the traditional Chinese medicine drugs, straws and bran through fungus bacteria liquid in a fermenting manner and a probiotics microbial agent is added. The feed comprises 80-120 parts of the traditional Chinese medicine drugs, 40-100 parts of straws, 10-40 parts of bran, 1-10 parts of fungus bacteria liquid and 10-50 parts of a probiotics microbial agent. The feed provided by the invention is high in the content of crude protein, the growth of poultry and livestock can be promoted, the feed has the obvious effect of increasing the weight of the poultry and the livestock and improving the feed conversion efficiency, and the effect is superior to that in the prior art.

The invention discloses a large-scale chicken-raising production and environment regulation technology. According to the invention, factors such as temperature, humidity, light, diet, density and diseases in chicken-raising production are regulated, such that an extremely comfortable living environment is created for chicken. Chicken disease occurrence rate is effectively reduced, chicken productivity is improved, and farming yield is increased. A feeding method is scientific, and management is appropriate, such that chicken can obtain adequate nutrients. Therefore, chicken growth speed is accelerated, chicken weight gain rate is improved, chicken limbs are robust, and chicken meat is delicate. With small environment regulation in a chicken coop and scientific artificial immunization, chicken disease resistance and bacterium resistance are enhanced, and disease rate is greatly reduced. With the technology, significant economic, social and ecological benefits are obtained.

The invention discloses a traditional Chinese medicine composition for preventing and treating diarrhea of ​​suckling piglets. The traditional Chinese medicine composition mainly includes the following raw materials in parts by weight: 16 parts of Pulsatilla pulsatillae, 8 parts of Andrographis paniculata, 8 parts of Sophora flavescens, 8 parts of Scutellaria baicalensis, and 8 parts of Radix Radix , 10 parts of Daqingye, 6 parts of Astragalus, 4 parts of Codonopsis, 6 parts of Cortex Phellodendri, 5 parts of Poria, 6 parts of Qinpi, 6 parts of Myrobalan, 4 parts of white peony, 4 parts of Akebia, 4 parts of woody root, 6 parts of licorice. The invention adopts the pure traditional Chinese medicine composition, and various medicines are used in combination, and has many functions such as clearing heat and detoxifying, antibacterial and anti-inflammatory, invigorating the middle and replenishing qi, invigorating the spleen and promoting body fluid, invigorating qi and promoting yang, promoting dampness and regulating qi, promoting milk and passing through the blood-milk barrier. It is suitable for sucking sows, and can prevent and treat diarrhea in suckling piglets caused by various reasons, and reduce the incidence of piglets. The traditional Chinese medicine of the present invention is applied to sows to prevent and treat diarrhea in suckling piglets with simple dosage form and administration route, has little stress, is non-toxic, harmless and has no residue, and meets the needs of large-scale breeding production.

The invention discloses a special compound premix for Micropterus salmoides, belonging to the field of aquatic product feed and comprising compound vitamin, a complex mineral element, a yeast extract, chromium picolinate premix, bile acid premix and defatted rice bran. The invention can meet the nutrition requirements for healthy and rapid growth of the Micropterus salmoides. Compared with a control group, the use of the compound feed of the Micropterus salmoides can be prolonged to the adult fish period; the rate of body weight gain of the Micropterus salmoides is increased by 10-20 percent, and the bait coefficient is reduced by 10-15 percent; the liver has bright red color and is not swelling; the fat content is obviously reduced; the fish morbidity is obviously reduced; and the oxygen deficit resistance and the transport resistance are obviously increased. The special compound premix does not contain any antibiotic or forbidden drug and meets the national feed safety regulation. The raw material is easy to purchase and the production and the quality are easy to control.

The invention discloses a mixed feed for red tilapias. The mixed feed is made from the following materials in parts by weight: 8-28 parts of fish powder, 17-28 parts of bean pulp, 10-19 parts of rapeseed meal, 2-3 parts of peanut gluten, 7-8 parts of corn gluten meal, 4-6 parts of dried blood, 20-22 parts of flour, 12-14 parts of DDGS fodder, 3-4 parts of fish oil, 0.1-1 part of lecithin, 2-3 parts of soya-bean oil, 1-2 parts of premix for commercial fish, 0.1-1 part of choline, 1-2 parts of calcium hydrophosphate, 0.5-2 parts of phagostimulant, 0.3-1 part of compound traditional Chinese medicine additive and 0.01-0.05 part of compound probiotics. The mixed feed for red tilapias is balanced in nutrition and essential amino acids, has the effect on resisting bacteria and preventing diseases and boosting immunity, is good in liver and bile protection and palatability, does not need to add antibiotics, and is free of polluting water, green and environment-friendly, and high in cost performance.

The invention discloses a pretreatment device for improving wood impregnation efficiency and a method for impregnating woods by utilizing the device. The device comprises a wood pretreatment chamber in which a cavity is formed, an ultrasonic treatment system and pretreatment liquid, wherein to-be-treated woods are subjected to ultrasonic pretreatment. The method disclosed by the invention comprises the following steps: pretreating to-be-impregnated woods by using ultrasonic waves under normal pressure, and getting through a liquid moving channel in the woods by utilizing a cavitation effect of the ultrasonic waves, so that the liquid permeability of the to-be-impregnated woods is enhanced, and the effective channel area inside the woods is enlarged; impregnating the woods, and impregnating a wood impregnation modifier into the woods, so that the absorption dose of the impregnated woods is improved, the agent penetration depth is increased, the impregnation period is shortened, and the impregnation effect is improved. The treatment device disclosed by the invention is simple, convenient to operate and is suitable for treating various woods, and process treatment conditions are controllable.

The invention relates to an ecological paddy-field soft-shelled turtle culture method, which comprises the steps of paddy field selection and preparation, soft-shelled turtle fry stocking, feeding and daily management and common soft-shelled turtle disease prevention and control. During the paddy field selection and preparation, a paddy field which is in a low-lying terrain, has a good water source condition and smooth water flow and is convenient to drain and irrigate is required; a soft-shelled turtle trench is excavated in the paddy field, the upper width of the soft-shelled turtle trench is 3m, the bottom width and the depth of the soft-shelled turtle trench are 1.5m, the length of the soft-shelled turtle trench is determined according to the area of the paddy field and the length is preferably to account for approximately 20 percent of the total area of the paddy field; and a sand beach is built in the center of the paddy field, the length of the sand beach is 5m, the width of the sand beach is 1m and the sand beach is 0.8m higher than normal water level. The invention provides an ecological three-dimensional rice planting and soft-shelled turtle culture technical operation line, which is mainly based on rice planting and takes soft-shelled turtle culture as auxiliary. On one hand, the paddy field provides a good place for the growth of the soft-shelled turtles. On the other hand, the excrement of the soft-shelled turtles and food debris are used as organic fertilizers for rice. When the rice absorbs the fertilizers and grows, an effect of purifying an impoundment is taken, the soft-shelled turtles can loose soil in the paddy field and catch injurious insects, the quality of the soft-shelled turtles is effectively improved and the economic benefit is improved.

The invention discloses a livestock feed additive, in particular a broiler chicken feed additive and a preparation method thereof. The broiler chicken feed additive is characterized by being prepared from hawthorn, malt, medicated leaven, root of straight ladybell, fragrant solomonseal rhizome, Codonopsis pilosula, Chinese angelica, tangerine peel, astragalus, ginger and Chinese date. The broiler chicken feed additive prepared by the method is used for promoting the growth and development of broiler chickens. The hawthorn has the effects of promoting digestion and relieving stasis; the malt has the effect of promoting digestion and regulating the middle warmer; the medicated leaven serving as the main medicament has the effects of promoting digestion and removing food retention; the root of straight ladybell has the effect of nourishing the stomach to improve the production of body fluid; the fragrant solomonseal rhizome serving as an auxiliary medicament has the effect of nourishing yin to moisten dryness and helping to produce saliva and slake thirst; the Codonopsis pilosula has the effect of replenishing qi to invigorate the spleen; the Chinese angelica has the effect of enriching the blood; the tangerine peel can enliven the spleen by regulating vital energy and alleviating middle energizer; the astragalus serving as an assistant medicament can tonify middle-Jiao and Qi; and the ginger and Chinese date, which serve as guide medicaments, can tonify the spleen and appetize. The broiler chicken feed additive can promote feed intake and percentage of weight growth of broiler chickens, reduce feed-to-meat ratio and improve breeding economic benefit. The additive is prepared from pure traditional Chinese medicine extracts and is free medicinal residual and safe and reliable.

The present invention is a feed supplement consisting of a blood product from at least one Crocodylian species such as the American alligator (Alligator mississippiensis). The blood product is whole blood, hemolyzed blood, serum or plasma. The feed supplement is a liquid or solid. The feed supplement may be combined with a high nutrient feed or starter diet. The feed composition may contain 0.1% or more by weight of the feed supplement. The feed supplement is fed to weanling pigs or poultry hatchlings to increase their weight and feed intake. It is also expected to promote gut health.

The invention provides Chinese herbal medicine additive for improving meat quality of java tilapia, containing by weight of: 22-30% of spatholobus stem, 30-40% of black bean, 10-15% of glycyrrhiza, 5-10% of honeysuckle, 5-10% of radix isatidis and 10-15% of hawthorn. The advantages of the invention comprise: (1) having good phagostimulant effect, (2) substantially reducing fat content and cholesterol level in muscles of java tilapia, substantially increasing flavor substance content of inosinic acid in muscles, improving muscles quality of java tilapia, (3), adding and using conveniently, and directly adding in commercial feedstuff, wherein the components can generates synergistic effect with other additive components in commercial feedstuff, and raise weighting rate and disease resistance of java tilapia, and (4) having stabile raw material resource, low price, simple production process and easy for industrialization production.

A composite attraction agent for huchen relates to a composite attraction agent, which solves the problems of bad palatability and low feed intake of the existing feed for huchen. Calculated by mass percentages, the composite attraction agent for huchen is mixed by 20 to 30 percent of dimethyl-Beta-DMPT, 20 to 30 percent of taurine, 10 to 15 percent of glutamic acid, 10 to 15 percent of alanine, 10 to 15 percent of glycin as well as 10 to 15 percent of Sodium Inosinate. The composite attraction agent for huchen obtained by the invention improves the palatability of the feed and increases the feed intake of the huchen.

The invention discloses a compound fish feed capable of improving the body immunity. The compound fish feed is characterized by comprising the following raw materials in parts by weight: 50-60 parts of bean pulp, 30-50 parts of bran, 20-40 parts of corn meal, 5-10 parts of eucommia ulmoides leaf powder, 5-10 parts of echinacea purpurea powder, 8-15 parts of artemisia argyi powder, 10-15 parts of purslane powder, 8-15 parts of pine needle meal, 3-6 parts of yeast selenium, 5-8 parts of cellulase, 10-20 parts of a Chinese herbal medicine preparation, 10-15 parts of a bacillus subtilis preparation, 10-25 parts of medicated food fungi and 5-10 parts of yeasts. A preparation method of the compound fish feed comprises the following steps: mixing the raw materials such as the bean pulp, the bran, the corn meal, the eucommia ulmoides leaf powder, the echinacea purpurea powder, the artemisia argyi powder, the purslane powder, the pine needle meal, the Chinese herbal medicine preparation and the yeast selenium according to a certain ratio; wetting the materials, namely fully wetting the raw materials by water according to a mass ratio of the raw materials to the water of 2 to 1, and uniformly mixing to guarantee that the materials are dispersed but not clotted and no clots are formed; sterilizing, namely sterilizing at 121 DEG C for 60 minutes, cooling the sterilized materials to the room temperature, and adding cellulase and bacillus subtilis into an aseptic room; performing enzymolysis, namely keeping the constant temperature of 50 DEG C for 72 hours, and stirring twice per day for enabling fermented materials to be dispersed and uniform; inoculating activation yeasts, namely taking a proper amount of aseptic water before use, and activating at 25 DEG C for 2 hours; performing yeast fermentation, namely fermenting at 30 DEG C for 96 hours; performing hot air drying, namely drying a fermented feed by hot air at 50 DEG C for 12-24 hours, and adding the medicated food fungi.

The invention discloses a cultivation method for improving the quality of grass carps, belonging to the technical field of aquaculture. The quality of the grass carps is remarkably improved by utilizing a mode that grass and compounded feeds are fed together under the condition that the growth period and other cultivation effects of the grass carps are not changed, and the cultivation method is simple in technique, low in investment cost, small in risk, high in operability, easy to master and use and easy to popularize.

The invention relates to a catalyst for preparing pyromellitic dianhydride from durene through gaseous catalytic oxidation and a preparation method thereof, belonging to the technical field of catalytic oxidation. The catalyst is characterized by comprising V2O5, TiO2 and P2O5, wherein the molar ratio of V2O5 to TiO2 to P2O5 is 1:3.750-15.000:0.125-0.313. The catalyst provided by the invention has the advantages of low airspeed, low energy consumption, high selectivity and high weight gain percentage during application, is helpful to energy saving and resource consumption reduction and is beneficial to increasing the yield and the purity of pyromellitic dianhydride and reducing the production cost for preparing pyromellitic dianhydride through gaseous catalytic oxidation. The provided preparation method of the catalyst has simple and succinct technological steps and can ensure the overall embodiment of the effect of the catalyst.

The invention discloses a method for immersing beef omasum. The method comprises the following steps of: firstly, cleaning salted beef omasum, boiling in boiled water for 3-10 minutes, and draining to obtain preprocessed beef omasum; secondly, adding the preprocessed beef omasum into alkaline liquor with the pH value more than 12, immersing for 10-70 minutes at the temperature of 10-35 DEG C, washing by clean water until the pH value is 11-11.5, immersing the beef omasum into composite phosphate with the pH value of 8.5-9.0, and performing water retention for 8-15 hours to obtain water-retention beef omasum; finally, adding the water-retention beef omasum into 0.001wt%-0.02wt% of a sucrose fatty acid ester solution for retaining the freshness to obtain the immersed beef omasum. The method is simple, high in weight gain rate, low in water loss and long in storage time, the quality guarantee period of the immersed beef omasum can reach more than 20 days under refrigeration conditions of 0-4 DEG C, and the prepared beef omasum is crisp, tender and dissolvable in mouth feel, can not become tough after being cooked for a long time, and has a good development value.

The invention relates to a feed additive capable of improving rabbit immunity and promoting rabbit growth. The feed additive consists of the following ingredients by weight percent: 5-7% of Cyrtomium fortunei, 3-6% of Tuckahoe, 12-18% of milk veteh, 5-9% of fructus ligustri lucidi, 3-5% of radix isatidis, 15-20% of malted barley, 7-9% of coptis root, 4-7% of Glycyrrhiza uralensis, 10-15% of garlic, and the balance of carrier. Ingredients of the traditional Chinese medicine cooperate with one another, and achieves the effects of resisting coccidian and infection, improving immunity and promoting growth together; and the feed additive is free of drug residues, toxic or side effect and drug tolerance, and is high in utilization ratio.

The invention belongs to the field of biological feed additives, and particularly discloses a probiotic feed additive. The probiotic feed additive is characterized by comprising 20-40% of composite probiotics and 60-80% of fungus chaff protein powders in mass ratio. The composite probiotics comprise the following ingredients: bacillus firmus, bacillus lentus, bacillus coagulans, bacillus subtilis, bacillus licheniformis, streptococcus thermophilus, lactobacillus delbrueckii, lactobacillus acidophilus, lactobacillus bulgaricus, thermophilic bifidobacteria and yeast with the weight ratio of (1.4-2.8):(1.4-2.8):(1.4-2.8):(2.2-4.4):(1.6-3.2):(2.0-4.0):(1.6-3.2):(1.4-2.8):(1.4-2.8):(2.2-4.4):(3.4-6.8). By mixing and matching with fungus chaff protein powders rich in the ingredients of protein, amino acid and polysaccharide, an animal health feed additive is formed; by adding 2-6% of the probiotic feed additive into animal diets, immunity of feeding objects can be effectively enhanced, animal growth can be promoted, the problem of antibiotic residue of animal products is solved, and economic benefits in breeding industry are improved.

The invention discloses a composite type intestinal-health regulating agent for groupers. The composite type intestinal-health regulating agent comprises the following components in parts by weight: 5-10 parts of probiotic powder, 20-25 parts of fructooligosaccharide, 5-10 parts of tributyrin, 15-20 parts of glutamine, 10-20 parts of white carbon black and 15-45 parts of defatted rice bran. The invention also discloses a preparation method of the composite type intestinal-health regulating agent for the groupers. The composite type intestinal-health regulating agent has the advantages that the development of the intestines of the groups can be enhanced, the intestinal mucosal damage is restored, the immunologic function of the intestinal mucosa and the immunologic function of the system are activated, the balance of the intestinal flora is regulated, the health of the intestinal mucosa is maintained, and the morbidity of the enteritis is reduced. In addition, the activity of intestinal digestive enzyme can be improved, and the growth performance of the groupers and the feed utilization efficiency are improved.

The invention provides special feed for penaeus vannamei breeding and a preparation method thereof. The special feed for penaeus vannamei breeding is characterized in that the feed comprises 25-33 wt% of fish meal, 10-20 wt% of wheat bran, 15-25 wt% of fermented soybean meal, 15-25 wt% of fermented rapeseed meal, 1-2 wt% of fish oil, 0.5-1.5 wt% of monocalcium phosphate, 1-1.5 wt% of granulesten,0.2-0.5 wt% of composite vitamins for shrimps, 0.2-0.5 wt% of composite mineral matter for shrimps, 0.5-1.0 wt% of bacillus subtilis powder, 5-10 wt% of candida utilis powder, and 0.5-1.0 wt% of zeolite powder. The preparation method comprises the following steps: pulverizing the raw materials respectively, sieving by a sieve of above 90 meshes, mixing proportionally, and performing granulation. The advantages of invention are that: the nutrition is balanced; the palatability is strong; and the feed can increase the survival rate and weight gain rate of penaeus vannamei.

The invention relates to an environment modifier for disinfection with dry powder. The modifier is prepared from adsorbent, disinfectant and environment modifier and has multifunctional dry powder formula for disinfecting the piggery, removing peculiar smell in the piggery, preventing neonate pigs from infecting diseases, reducing the humidity in the piggery, drying the neonate pigs rapidly so as to eat colostrums quickly to obtain immunity, preventing endometritis of sow, treating wound, preventing piglet from fighting as a result of ablactation and reducing the diarrhea. The environment modifier for disinfection with dry powder is simple to use, has high efficiency and little use amount, is environment-friendly, has no residual toxicity, remarkably improves the weight and the survival rate of piglet, greatly reduces the working capacity and labour cost and provides guarantee for environment disinfection and epidemic prevention.

The invention relates to brooding compound feed for layer quails. The brooding compound feed for layer quails is prepared by mixing, by weight percent, 55-58% of corn, 3-4% of bran, 25-38% of soybean meal, 4-5% of extruded soybean, 3-5% of fish meal, 1.0-1.5% of soybean oil, 1.2-1.4% of limestone flour, 0.8-1.1% of calcium hydrophosphate and 1.0-1.5% of prefix. The brooding compound feed for layer quails can increase brooding survival rate of quails, and quails can grow and develop well and are less easy to attach by diseases and highly uniform.

The invention provides a feed for sea cucumbers. The feed comprises the following components: 50 to 90 weight parts of seaweed powder, 2 to 30 weight parts of zeolite powder and 15 to 40 weight parts of protein powder, wherein the zeolite is clinoptilolite or / and mordenite. The feed for the sea cucumbers is prepared by a method comprising: activating the zeolite, crushing the activated zeolite powder and mixing the activated zeolite powder and other components, and sieving the mixture; or adding water to mix the zeolite powder and other components to form the feed with certain thickness. The feed for the sea cucumbers is the nutritive green feed, which has the advantage of avoiding pollution, high oxygen consumption, drug resistance, residue and toxic and side effects. When the feed is used, the utilization rate high; the nutrient components are hardly lost; and water quality is not deteriorated; and when used as the bait or feed for sea cucumbers, the feed has the advantages that: the survival rate of the sea cucumber juveniles is high; weight incensement of the sea cucumber juveniles is high; and the like.

The invention discloses a method for preparing a fire retardant modification timber. The method comprises the following steps of: (1) adding a fire retardant into a urea formaldehyde resin concentrate to obtain a timber impregnation liquid after the fire retardant is completely dissolved; (2) making the impregnation treatment of the timber to be treated by using the vacuum pressure method and the timber impregnation liquid obtained in the step (1); and (3) drying the timber to be treated to obtain the fire retardant modification timber. In the method, the fire retardant is directly added into the urea formaldehyde resin concentrate to form the impregnation liquid, so that by one-time impregnation treatment, the use performance of the timber is improved, the fire retardant effect is enhanced, the process for modifying the timber is simplified, and other steps which are needed after the timber modification to realize the fire retardant function are saved. The method has the advantages of simple process and unnecessary complex equipment; and when the method is adopted to treat the timber, the size stability of the treated timber is obviously improved, the physical and mechanical properties are obviously improved, the weight gain rate of the timber is between 25 and 50 percent, and the oxygen index is increased by 40 to 80 percent.