75results about How to "Bright body color" patented technology

The invention provides a compound feed capable of improving the fatty liver and body colour of the marine fish. The compound feed comprises a premixed feed, a bile acid, curcumin and betaine, wherein the premixed feed comprises fish meal, soya bean meal, corn gluten meal, high protein flour, corn, shrimp shell meal, monocalcium phosphate, fish oil, liquid phosphatide, vitamin premixes, mineral premixes, and the like. Artificial marine-fish breeding experiments prove that the compound feed provided by the invention can meet the nutritional needs of marine-fish growth, effectively enhance the physique of the marine fish, improve the immunity of the marine fish, reduce the incidence of a fatty liver disease, and improve the body color of the marine fish, so that the body color of the marine fish is bright-colored and close to a wild natural color, thereby enhancing the quality of artificially cultured marine fish.

Disclosed is a mixed feed for improving prawn quality, wherein the mixed feed is prepared from the following raw materials (by weight ratio): fish meal 25-33%, soya bean waste 18-22%, maize protein meal 8-10%, refined flour 20-25%, brewers' yeast 3-5%, selenium-rich yeast 2-3%, squid grease 3-4%, sea-tangle powder 2-3%, monobasic calcium phosphate 0.8-1%, fish oil 0.8-1.2%, vitamin premixed material 1-2%, mineral premixed material 1-2%, astaxanthin 0.2-0.5g, carnitine 0.2-0.3g, Saccharicter-penin 50-70mg, soybean isoflavones 20-30mg, VC 1-2g, and choline chloride 1-2g.

The present invention is one kind of green compounded and puffed feed for egg-shaped silver anchovy and carangid. The green compounded and puffed feed is prepared with steamed fish meal 25-45%, soybean residue 5-25%, pork bone powder 5-20%, beer yeast 1-6%, cuttle fish paste 2-5%, fish oil 1.0-2%, macaroni flour 10-26%, shrimp head powder 3-6%, lecithin 0.5-1%, vitamins 0.3-0.5%, compounded mineral 0.5-1% and choline chloride 0.3-0.5%, and through homogeneous mixing, adding astaxanthin 20-30g, carotenoid 30-50g and compound immunopotentiator 50-70g to each 100 kg of the mixture, extruding to pelletize, and stoving. The green compounded and puffed feed has simple compounding process and balanced nutrients, can meet the requirement of the growth of egg-shaped silver anchovy and carangid and raise the immunity of egg-shaped silver anchovy and carangid, and results in less water contamination.

The invention discloses South America white shrimp feed, particularly relates to environment-friendly fish-meal-free South America white shrimp feed, and belongs to the field of aquatic feed. The feed is prepared from chicken powder, pig lung powder, fermented soybean meal, peanut meal, fish-soluble pulp powder, prawn powder, inkfish paste, high-protein flour, fish oil, granulesten, choline chloride, monocalcium phosphate, decavitamin premix, composite mineral salt premix, vitamin C-phosphate, Spanish bayonet extract, vine tea flavone, tributyrin and a Chinese herbal medicine compound preparation. The Chinese herbal medicine compound preparation is prepared in the mode that the bark of eucommia and lycium barbarum are mixed and subjected to superfine grinding and pass through a 100-mesh screen. The feed has the advantages that the feed formula is low in cost, nutrition is balanced, inducing performance is good, palatability is good, the disease resistance, stress resistance and strain resistance of shrimps can be enhanced, the survival rate can be increased, the quality of culture water can be improved, the meat quality and color of the South America white shrimps can be improved, and the green, safe and delicious shrimp products are produced.

The invention discloses a compound feed capable of bringing bright color of cryprinus carpiod body and a preparation method thereof. The feed comprises the following components by weight in parts: 0.0003-0.0075 parts of ferrous sulfate, 0.00003-0.00025 parts of cupric sulfate anhydrous, 0.0002-0.002 parts of zinc sulfate, 0.0002-0.0004 parts of vitamin A, 0.0001-0.0004 parts of vitamin D3, 0.5-2 parts of calcium dihydrogen phosphate, 15-25 parts of soybean meal, 3-8 parts of defatted soybean flour, 3-10 parts of fish powder, 15-20 parts of spirulina powder, 2-5 parts of algae powder and 100 parts of flour. The compound feed provided by the invention not only adopts fish powder and good soybean meal to meet the nutrition needed by the fish so that the fish is more healthy; and special substances, such as spirulina powder, algae powder, alfalfa powder and the like are added so that the fish bodies are beautiful, the color is bright, and the red and the white are clear. In addition, the compound feed prepared by an extrusion processing method is good for nutrient absorption.

The invention relates to the technical field of bulk fresh water fish culture, and provides a salinization weight-reducing bighead carp culture method. Selected bighead carps are subjected to pond recuperation and salinization culture, and the bighead carps discharge vivotoxin while swimming by the aid of flowing water so as to remove redundant fat; the bighead carps with weight reduced are subjected to salinization culture with appropriate salinity, harvested bighead carps are good in meat quality, delicious and high in economic value, and cultured bighead carps are bright in body color, strong, free of muddy taste, less in fat and chemical residue, good in taste and high in quality.

The invention relates to an optimum selection method of a wild parent of an autumn shrimp of Marsupenaeus japonicus and a fundamental group morphological model obtaining method. Marsupenaeus japonicus summer wild individual shrimps having the body types meeting a morphological model equation of a Marsupenaeus japonicus autumn shrimp high-quality wild parent selection fundamental group are selected into an autumn shrimp high-quality wild parent fundamental group; after artificial ripening promotion and culture, female shrimps that have characteristics of bright and clean body surfaces, bright and transparent shells, bright body colors, complete appendages, healthy states with no disease and no damage, quick reaction, good gonad development, and long body lengths larger than or equal to 16cm are selected as Marsupenaeus japonicus autumn shrimp breeding parents. Therefore, the overwintering breeding survival rate of the Marsupenaeus japonicus autumn shrimps is effectively improved.

The invention provides a breeding method for amphiprion ocellarises. The breeding method comprises the following three steps: a. breeding parent fishes; b. incubating oosperms; c. breeding young juvenile fish. Fry is bred for 60 d after being incubated, the overall length of the juvenile fish is up to 2 cm to 3 cm, and the breeding process is ended up; during the breeding process, the minced-meat-shaped fresh bait made of rotifer intensified by seawater chlorella for 24 h, artemia and copepods intensified by DHA and the chlorella for 12 h, and marine small animals of which phospholipid content is more than 25% in succession and compound feed are fed as the bait in an individual manner or a superimposed manner; furthermore, water is changed and the amphiprion ocellarises are divided and put in fish tanks in proper time. The breeding method for the amphiprion ocellaris, provided by the invention, provides a way which can be operated in an industrialized and large-scale manner; compared with the prior art, as the breeding method provided by the invention is of popularity to a higher degree, a foundation is provided for large-scale breeding of the amphiprion ocellaris.

The invention belongs to the technical field of feed additives and relates to a jewfish feed phagostimulant and a preparation method thereof. The weight of the phagostimulant in each ton of jewfish feed is 13.3-25.5 kg, and the phagostimulant in each ton of jewfish feed consists of the following raw materials by weight: 500-1,500 g of L-glycine, 1 000-3,000 g of L-alanine, 300-1,000 g of L-glutamic acid, 1,000-2,000 g of proline, 8,500-12,000 g of trimethyl glycine, 1,000-3,000 g of oxidized trimethylamine and 1,000-3000 g of squid organ meal. The invention has the advantages that the composite phagostimulant is free of overrich and over-fragrant stimulation, can be used for a long term, is safe and efficient and has no side effect; the raw materials of the feed phagostimulant are stable in source and simple in manufacturing technology and remarkably increase the feeding speed; the anti-stress capability of cultivating objects is remarkably improved while the food calling performance is enhanced, the cultivated jewfish has high survival rate and is brilliantly colored in body; and a majority of compositions in the phagostimulant are indispensable feed nutritional ingredients for growth of jewfish, so that the feed efficiency is improved, the feed coefficient is lowered and the cultivation cost is saved.

The invention discloses an anemonefish puffed pellet feed and a preparation method thereof. The anemonefish puffed pellet feed comprises, by mass, 30-60% of fish meal, 7-20% of alpha-starch, 7-15% of acanthaster planci powder, 5-20% of fermented soybean meal, 3-10% of peanut meal, 2-10% of whole shrimp powder, 0.5-2% of oceanic red yeast, 0.5-2% of spiral algae powder, 0.5-1% of garlic powder, 0.5-1% of a special marine fish feeding attractant, 0.5-1% of a mixture comprising a plurality of vitamins, and 0.5-1% of a mixture comprising a plurality of minerals. After the anemonefish puffed pellet feed of the present invention is adopted to feed the anemonefishes, the anemonefishes snatch, the palatability is food, no anorexia circumstance is generated after the long-term feeding, the anemonefishes can grow healthily, the vitality is strong, and the bright body color can be maintained.

The invention relates to a disease-resisting and growth-promoting feed additive premix for marine fishes. The premix is prepared from the following raw materials in percentage by weight based on each ton of feed additives: 1,000 to 2,000g of 50 percent of microcapsule DL-methionine, 1,000 to 2,000g of 50 percent of microcapsule lysine hydrochloride, 800 to 1,500g of crystal taurine, 150 to 500g of 93 percent of enveloped vitamin C, 100 to 800g of 500,000 IU / g vitamin E acetic ester, 50 to 150g of 1 permillage of yeast selenium, 30 to 100g of antioxidant and 1,000 to 5,000g of 80-mesh attapulgite. The disease-resistant growth-promoting feed additive premix for the marine fishes can meet the requirements of resisting diseases and promoting growth when various marine fishes are cultivated at high density, has safety and high efficiency when used for a long time, and does not have toxic or side effect; after the various marine fishes ingest feeds with the premix for over 1 month, the serum lysozyme activity, phagocytic capacity of macrophages and serum complement activity can be obviously improved, and the survival rate of a plurality of marine fishes infected by seawater vibro harveyi can be improved at the same time; and the survival rate of cultivated marine fishes is high, the body colors of the marine fishes are bright, the anti-excitability ability of the marine fishes is high, and the feed coefficient is low.

The invention discloses a pollution-free cultivation method of lateolabrax japonicus. Through selecting a sea area and adopting a flow stop measure, the flow speed in a net cage is controlled within 0.2 meter per second, model selection and setting are carried out on the net cage, a floating type net cage with knotless meshes is adopted, a main harbor road and auxiliary harbor roads are arranged between the net cages, lateolabrax japonicus fry stocking, adult fish feeding, feed and feeding, daily management, disease control, harvesting, transportation and the like are designed, strict monitoring and detection are carried out at each stage during the cultivation period, the growth environment and the growth condition of the lateolabrax japonicus are controlled, the feeding condition of the lateolabrax japonicus is detected, and a garbage collection and processing device is provided, so that the cultivation of the lateolabrax japonicus is pollution-free and non-hazard, and the lateolabrax japonicus cultivated through the cultivation method is totally cultivated in sea water, the cultivated lateolabrax japonicus has the characteristics of bright body color, tender meat quality, delicious taste, rich nutrient and the like, and the pollution-free cultivation of the lateolabrax japonicus is implemented.

The present invention discloses a medicinal bait additive for preventing and treating enterocytozoon hepatopenaei of litopenaeus vannamei. The medicinal bait additive comprises the following components in parts by weight: 8-32 parts of marine red yeast powder, 30-75 parts of albendazole, 8-32 parts of spirulina powder and 5-10 parts of garlic powder. The medicinal bait additive is used in a compound feed for the litopenaeus vannamei and has an addition amount of only 6-12%; and the medicinal bait additive can also be mixed with the feed at a weight ratio of 1:10 for feeding before feeding. Themedicinal bait additive uses an internal administration route, so that a medicine internal environment is formed in a host body, the medicinal bait additive is subjected to blood circulation to reachtarget organs and parasites cannot survive. The medicinal bait additive can effectively kill the enterocytozoon hepatopenaei in the litopenaeus vannamei body, is non-toxic to the litopenaeus vannameibody, does not cause medicine residues in the litopenaeus vannamei body, at the same time also does not cause pollution to the breeding environment, and can effectively play a therapeutic role in thediseased litopenaeus vannamei infected by the enterocytozoon hepatopenaei.

The invention relates to a feed additive in the aquaculture industry, in particular to a body color improver for pseudosciaena crocea cultured in net cages and a preparation method of the body color improver. Every kilogram of the improver comprises the following components in the content range: 10-20g of astaxanthin, 250-500g of zeaxanthin, 100-200g of ulva lactuca powder, and the balance of zeolite powder. The preparation method comprises the following steps of firstly crushing the raw materials, and performing screening with an 80-100-mesh sieve for standby application; and sufficiently anduniformly mixing the crushed materials in proportion so that the uniformity variation coefficient CV is smaller than 5%, so as to obtain the body color improver for pseudosciaena crocea cultured in net cages. The body color improver disclosed by the invention has the advantages that the body color of the pseudosciaena crocea can be effectively improved, so that the body color of the pseudosciaenacrocea is brighter, yellow and easier to accept by consumers; the total quantity of carotenoid in skins of the large yellow croaker can be effectively increased; the body color improver is convenientto use, and can be directly added to a fish feed or a minced fillet material; the body color improver is safe to use and nuisanceless, and the pseudosciaena crocea bred with the body color improver completely conforms to food hygiene demands; and the body color improver is stable in raw material sources, low in use cost, simple and convenient in making technology, and easy in industrialized popularization.

A method for reproduction of red parrot fish with beautiful shape includes such steps as choosing male parent and female parent, pairing, and reproducing. Its resultant red parrot fish has high rate of high-grade fish (90% or more).

The present invention discloses a compound Chinese herbal medicinal feed for improving immunity of pelteobagrus fulvidraco and a preparation method thereof. A formula comprises the following components in contents: 0.1%-0.3% of trace element, 0.1%-0.15% of vitamin, 0.5%-1% of compound Chinese herbal medicine, 0.2%-0.5% of lutein, 2%-3% of calcium dihydrogen phosphate, 10%-15% of soybean meal, 5%-10% of peanut meal, 10%-15% of chicken meat powder, 3%-5% of corn gluten meal, 15%-20% of imported fishmeal, 2%-3% of laminaria japonica powder, 3%-6% of spirulina platensis powder, 4%-6% of fish oil, 25%-30% of flour and 15%-20% of mixed meal. The feed is free of antibiotics, contains the various green and natural Chinese herbal medicines, can enhance immunity and promote growth of the pelteobagrus fulvidraco, and is free of pollution to the environment.

The invention discloses chlorella compound bait for breeding fancy carp and a breeding method applying the bait. The bait is characterized by being prepared from, by weight, 7-10% of fish meal, 11-15% of flour, 55-60% of vegetable oil meal, 3-5% of vegetable oil, 12-18% of bran type feed, 1-3.5% of medical stone, 0.9-1.1% of premix and 2-5% of chlorella according to the total percentage of 100%.

The invention provides a method for temporarily cultivating river crabs. Color generation matters such as carotenoid and the like and other flavor matters are transferred to the river crabs through spiral shell or clam and the like, and the river crabs in a pond are fed with spiral shell or clam which are fortified with spirulina and haematococcus pluvialis, thus making up the shortages of pond cultivation, and obviously improving the body color and flavor quality of the river crabs.

The invention discloses a green ecological compound feed suitable for comprehensive rice-fish farming. The green ecological compound feed suitable for comprehensive rice-fish farming comprises the following raw materials in percentage by mass: 5%-15% of fish meal, 30%-45% of fermentation compound protein raw materials, 1.5%-4.5% of enzymolysis fish paste, 18%-25% of strong flour, 1.5%-4.5% of beeryeast powder, 3%-10% of corn protein powder, 3%-10% of DDGS, 1%-3% of soybean phospholipid oil, 2.5%-5% of compound greasy, 0.3%-0.5% of a vitamin premix, 1.5%-3% of a trace element premix, 1.5%-3% of calcium dihydrogen phosphate, 0.1%-0.3% of choline chloride, 0.1%-0.3% of vitamin C phosphate ester, 0.1%-1.5% of fine bran, 0.05%-0.1% of vitamin E, and 0.03%-0.1% of a mildewproof agent. The invention further provides a preparation method of the green ecological compound feed. The compound feed provided by the invention is suitable for feeding fishery products in a comprehensive rice-fish farming mode, can meet nutrient requirements of different fishery products in the comprehensive rice-fish farming mode, can promote the healthy growth of the fishery products, can shorten the breeding period and can increase the yield of the fishery products.

The present invention discloses a color increasing feed for red crucian carps and a preparation method thereof. The feed comprises the following composition ingredients: fish meal, soybean meal, wheat middling, wheat bran, corns, fish oil, trace elements, vitamins and a color increasing agent. The color increasing agent consists of capsanthin, spirulina platensis and corn gluten meal and a mass ratio of the capsanthin, spirulina platensis and corn gluten meal is 8:5:5. The preparation method comprises the steps of raw material preparing, raw material grinding, crushing and mixing, granulating and puffing, spraying and cooling and packaging. The feed contains the compound color increasing agent and the spirulina platensis and corn gluten meal are metabolized into astaxanthin in fish body, so that the red crucian carps are fresher and brighter in body color. A distribution ratio of the three coloring agents in the color increasing agent improves a coloring function of carotenoids in unit mass, a rapid absorption of pigments and a rapid deposition of body surface for the red crucian carps are presented, and the red crucian carps are rapidly increased in body color. The feed can enable the red crucian carps to growth healthily and also has effects of increasing color.

The invention relates to an ecological mixed culture method for co-culturing oysters in sea cucumber circle. The method comprises the following steps: the pond area is larger than or equal to 20 mu and water depth is 2 m or above; sea cucumber seedlings are added, adding specification and density are adjusted according to water depth, a substrate and water change conditions, wherein the adding density is 1,500-3,000 tou / mu when the specification of the sea cucumber seedlings is 40-80 tou / kg; oyster seedlings are added in accordance with density of 50-150 diao / mu, 5-20 adherance / diao and 5-20 seedlings per each adherence; piling is performed on opposite sides of a pond before the oyster seedlings are added, floating ropes are arranged between the two piles on the opposite sides, the distance between the floating ropes is 5-10 m, floating balls are fixed on the floating ropes, one diao of oyster seedlings is hung on the floating ropes at an interval of 50-100 cm, scallop shells are usedas adherance, hanging ropes are 0.5-1.2 m long, and spacing between the adherance is 15-30 cm; water is changed regularly for 10%-30% every time. According to the method, the ecological environment ofthe culture water area can be improved, and the culture yield of the sea cucumbers and the oysters is increased.

The invention discloses low-nitrogen high-energy parrot fish body color red enhancing compound feed. The feed is partly prepared from, by mass, 1%-5% of fish premix, 0.2%-0.4% of choline chloride, 0.01%-0.04% of bile acid, 10%-15% of soybeans, 3%-8% of maltodextrin, 3%-10% of carrot powder, 0.2%-0.8% of astaxanthin, 2%-3% of fish oil, 2%-4% of soyabean oil, 5%-10% of seaweed meal, 5%-15% of wheat germ powder and balance flour added to 100%. The feed lowers protein of existing compound feed, the protein of the feed is between 18% and 25%, fish meal, shrimp meal and other raw materials are not used, feed cost is effectively lowered, and the parrot fish red enhancing feed can ensure the red enhancing effect and the demand of parrot fish for growing nutrition, and is low in cost and nitrogen emission and environmentally friendly.

The invention discloses a feed additive premix for rabbitfish and a preparation method thereof. The feed additive premix is prepared from compound vitamins and compound mineral salt. The feed additive premix for rabbitfish disclosed by the invention consists of amino acids, compound vitamins and compound mineral salt. The compound vitamins consist of vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B6, vitamin B12, DL calcium pantothenate, niacin, folic acid, inositol, biotin, vitamin C, carnitine, choline chloride (50%), bacillus subtilis, mannan, cholesterol, an antioxidant, a mildew preventive and bentonite. The feed additive premix for rabbitfish disclosed by the invention has significant meaning on improvement of utilization of feeds by rabbitfish, promotion of growth and the like.

The invention relates to a fry rearing method of large yellow croakers in earth ponds and net cages. The fry rearing method comprises following steps: mud clearing in ponds, water filling and reconstruction; placing net cages; putting fries; water quality management and control measurements; and rearing management. The fry rearing method of large yellow croakers in earth ponds and net cages has following beneficial effects: waste of formula feed is greatly decreased; water quality deterioration and diseases are reduced; fish is fed in a centralized mode and conveniently observed so that abnormity is promptly observed; reared fish is in the same specification so that survival rate is greatly increased; fish is easily caught and fries are not damaged; fish looks more colorful than ones reared in a bay and shows higher vitality; and a good application prospect is obtained.

The invention relates to color-enhancing efficient health feed for cyprinus carpio, and belongs to the technical field of feed for aquatic products. The feed is prepared from imported fish meal, dehulled soybean meal, 200 type rapeseed meal, degossypolized cottonseed protein, rice bran, beer yeast, first grade flour, spirulina, soybean oil, monocalcium phosphate, fine bran, lysine hydrochloride having a concentration of 98.5 percent, choline chloride, natural astaxanthin having a concentration of 10 percent, bile acid, vitamin premix, mineral premix and mildew preventive. According to the digestive physiological characteristics and special ornamental attributes of cyprinus carpio, types of raw materials and coloring additives of the feed are reasonably selected, and the raw materials and coloring additives are scientifically proportioned, so that the growing performance of the cyprinus carpio can be achieved to the most extent, and the body color is ensured to meet requirements. By using the feed, the economic benefit for breeding cyprinus carpio can be greatly improved. The feed is prepared from easily available raw materials, a conventional extruded feed or hard particle materialmanufacturing process in the feed process is adopted without special requirement and is applicable to large-scale commercial popularization, and the requirement of rapid development of cyprinus carpio breeding industry can be met.

The invention belongs to the field of biological feed, and relates to a monascus strain, biological feed fermented by the monascus strain and application of the red yeast rice biological feed in aquaculture. The monascus strain can generate multiple kinds of functional metabolites of monascus pigment, protease, amylase, lipase, ergosterol, statins, gamma-aminobutyric acid and the like, and fermentation products contain small peptides. By applying the biological feed to aquaculture, the survival rate and immune functions of aquatic animals can be significantly improved, and the growth performance is improved.

The invention discloses a tajsho-sanke reproducing and breeding method. The method comprises the steps of parent fish selection, intensive parent fish culture, parent fish egg laying, fish fry rearing, primary optimization, secondary optimization and tertiary optimization. High-quality parent fish with complete fin rays, bright body color and obvious varietal characteristics is selected, a good foundation is laid for good inheritable characters of offspring fries, on the basis of screening of tajsho-sanke, finally, the fish bodies with the good strain, healthy, strong and beautiful body type, bright color, good muscle and obvious varietal characteristics are finally selected, after three levels of optimization, and the good-quality tajsho-sanke with the yield reaching up to 7% is selected.

The invention discloses a black carp feedstuff. The black carp feedstuff comprises the following raw materials in part by weight: green hay powder, cottonseed cake powder, bean cake powder, rape seed cake powder, silkworm chrysalis powder, fish meal, barley flour, garlicin, calcium hydrophosphate, salt, L-lysine salt, methionine, threonine, ferrous sulfate monohydrate, zinc sulphate monohydrate, multivitamins, high-steady-state Vc (vitamin C), inositol edible saccharin and feedstuff essence. The black carp feedstuff is rich in required efficient growth promotion ingredients such as vitamins, microelements and an amino acid; digestive absorption capability can be improved obviously; black carps are normal in figure, bright in color and high in tolerance; the black carp feedstuff contains food calling ingredients and is good in palatability; and yield of black carps can reach 10-15%.

The invention discloses a pellet feed for anemone fish. The pellet feed is prepared from, by weight, 8-15 parts of fish meal, 7-15 parts of chicken meal, 5-20 parts of cottonseed meal, 3-10 parts of peanut meal, 2-10 parts of shrimp powder, 2-5 parts of shrimp bran, 0.5-2 parts of marine rhodotorula, 0.5-2 parts of spirulina powder, 0.5-1 part of garlic powder, 0.5 -1 part of astaxanthin, 1-2 parts of squid paste, 1- 2 parts of calcium phosphate primary, 0.20-0.40 part of bilineurine, 0.2-0.5 part of betaine, 3-6 parts of condensed fish glycerin powder, 3.6-3.8 parts of microbial ferment, 0.5-1 part of phagostimulant, 1-2 parts of feed binder, 0.5-1 part of multivitamin mixtures, and 0.5 -1 part of various mineral mixtures. The anemone fish cultured by the pellet feed has the advantages of fast growth, strong vitality, bright color, strong disease resistance, high survival rate and fewer disease occurrence.

The invention discloses a method for preparing rare earth element sulfide. The pure rare earth element sulfide is obtained by thermally decomposing Re-S key-containing rare earth element coordination compound which serves as a precursor or the Re-S key-containing rare earth element coordination compound and S-containing coordination compounds of elements in I, II and IIIA families which serve as the precursor for 10 to 1,000min in the presence of a decarbonizing agent in the atmosphere of N2 and / or Ar at the temperature of 250 to 1,500 DEG C. If the Re-S key-containing rare earth element coordination compound is used as the precursor, singular rare earth element sulfide is prepared by thermal decomposition; and if the Re-S key-containing rare earth element coordination compound and S-containing coordination compounds of the elements in I, II and IIIA families are used as the precursor, compound rare earth element sulfide is prepared by the thermal decomposition. The Re-S key-containing rare earth element coordination compound in the precursor is the coordination compound consisting of different rare earth elements and is thermally decomposed to form the compound sulfide containing different rare earth elements. The method has a simple process and eliminates the influences of residual C; and products of the method have uniform grain size and bright body color.