136results about How to "Improve 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.

The invention relates to a snakehead seedling expandable compound feed and a method for comprehensively feeding snakehead seedlings by using the same. The snakehead seedling expandable compound feed has buoyancy rate of 100 percent, floats in water when fed to the snakehead seedlings, is more soft and elastic after entering the water, is closer to the meat in the aspect of physical character, hasgood body color and mouth feel as well as special taste and better water stability, and solves the difficulty of food-transferring domestication. Multiple vitamins and multiple mineral elements premix prepared in the feed is set according to the demands of the snakehead seedlings, has the functions of promoting the growth and improving the survival rate, is suitable for the nutrition demands of the snakehead seedlings, has low feed coefficient, ensures rapid snakehead growth, expands the matched feed, avoids the loss of nutrients and the pollution to water, improves the feed utilization and reduces the generation rate of diseases, thereby lowering the feeding cost, and improving the feeding benefit. The snakehead can be fed together with the chub and the bighead to gain higher economic benefit and is suitable for the northeast area of China. The meat of commercial snakehead has high quality and best mouth feel.

The invention relates to a feed additive of aquaculture industry, in particular to a meat quality flavor modifying agent for grass carp or carp and a preparation method thereof. Each kilogram of modifying agent comprises the following components: 30 to 50g of seaweed extract, 10 to 20g of combination of inosinic acid and guanylic acid, 20 to 30g of carnitine, 15 to 30g of glycin, 10 to 20g of alanine and the balance of zeolite powder. The preparation method comprises the following steps: firstly, crushing solid materials in the seaweed extract, the combination of inosinic acid and guanylic acid, the carnitine, the glycin, the alanine and the zeolite powder materials and sieving the crushed solid materials through a sieve with 80 to 100 meshes for later use; and secondly, mixing and stirring the crushed solid materials in the proportion to ensure that the coefficient of variation CV of the uniformity is less than 5 percent to obtain the product. The modifying agent can effectively improve protein content, content of total amino acids, content of essential amino acids and content of delicious amino acid in muscles of the grass carp and the carp.

The invention discloses a Chinese herbal medicine premix added in a puffed snakehead compound particle feed, which comprises the following components by weight proportioning: Artemisia annua to Forsythia Suspensa to radix sophorae flavescentis to radix bupleuri to folium eucalypti to radix gentianaeto common andrographis herb to folium artemisiae argyi to apocynum venetum is 3-5:1-3:1-3:2-5:3-5:2-5:2-4:1-3:1-3. The invention also discloses a puffed snakehead compound particle feed comprising the basic formula of fish meal and bean pulp, and 1-5 weight percent of the Chinese herbal medicine premix is added in the basic formula. The puffed snakehead compound particle feed of the invention can strengthen snakehead immunological capability, prevent and treat diseases and improve snakehead meat quality and flavour.

The invention relates to a formula of compound puffed feed for Leiocassis longirostris and process for preparation, wherein the constituents in the formula comprise (by mass ratio): soybean 20-50%, cotton seed waste 0-15%, groundnut meal 10-15%, fish meal 2-4%, meat and bones meal 0-15%, blood powder 0-5%, wheat flour 8-15%, maize 12-20%, fish oil 1-2%, calcium dihydrogenphoshate 0.5-1%, premixed material 1-2%. The preparing process consists of proportioning the constituents, mixing with disintegrated soybean cake raw material and maize homogeneously, disintegrating, modulating, palletizing and drying.

The invention relates to an environment-friendly efficient compound feed for cobias, which belongs to the field of fish feed and a preparation method thereof. The environment-friendly efficient compound feed for the cobias consists of the following raw materials in percentage by weight: 20 to 30 percent of steam fish meal, 30 to 49 percent of fermented soybean meal, 3 to 6 percent of peanut meal, 3 to 5 percent of beer yeast powder, 2 to 4 percent of sepia paste, 15 to 20 percent of strong flour, 3 to 5 percent of shrimp shell powder, 1 to 2 percent of vegetable oil, 1 to 2 percent of fish oil, 1 to 2 percent of lecithin, 0.5 to 1 percent of composite mineral, 0.3 to 0.5 percent of vitamin complex, 0.5 to 1.5 percent of choline chloride, 0.1 to 0.2 percent of lightyellow sophora root, 0.1 to 0.2 percent of licorice, and 0.1 to 0.2 percent of plantain herb. The environment-friendly efficient compound feed has a good palatability, is easy to ingest, digest and absorb, and reduces feed wastes; by using plant protein sources to replace part of animal protein sources, the emission of nitrogen and phosphorous is reduced, and the feed cost is reduced; the feed coefficient is low and the survival rate is high; the feed is balanced in nutrition and can prevent fatty lever, improve body color and ensure the health of fishes and the freshness of meat quality; and the feed has good stability in water and is difficult to pollute the water quality of a culture water body.

The invention relates to a body color intensifier for large yellow croakers. The body color intensifier is prepared from the following components in percentage by weight: 20-45wt% of astaxanthin, 20-45wt% of lutein and 20-45wt% of canthaxanthin. The body color intensifier disclosed by the invention is used as a feed additive used in the artificial compound feed for the large yellow croakers. The additive amount is only 0.01-0.15%, and the body color of the artificially cultured large yellow croakers can be obviously improved after the body color intensifier is used about 8 weeks. Meanwhile, the body color intensifier disclosed by the invention is used together with a large yellow croaker feed prepared by the applicant to obtain a preferable effect.

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 a fully-cooked puffed slowly-settling mixed feed for Micropterus salmoides. The mixed feed is prepared from, by weight, 20.0 to 50.0 parts of Peru fish meal, 10.0 to 25.0 parts of soybean meal, 5.0 to 15.0 parts of fermented soybean meal, 2.0 to 8.0 parts of rapeseed meal, 2.0 to 10.0 parts of cottonseed meal, 2 to 10.0 parts of peanut meal, 1.0 to 5.0 parts of DDGS, 8.0 to 15.0 parts of high gluten flour, 1.0 to 4.0 parts of brewer's yeast, 1.0 to 3.0 parts of soya lecithin, 1.0 to 3.0 parts of soybean oil, 1.0 to 3.0 parts of fish oil, 0.1 to 0.5 part of choline chloride, 1.0 to 3.0 parts of squid paste, 1.0 to 2.0 parts of calcium dihydrogen phosphate, 0.5 to 2.0 parts of zeolite powder, 0.1 to 0.3 part of a mildew inhibitor, 0 to 0.3 part of lysine, 0 to 0.1 part of methionine, 0.04 to 0.1 part of bile acid, 0.05 to 0.2 part of VC phosphate, 0.2 to 0.5 part of a vitamin premix and 1.0 to 2.0 parts of a trace element premix. Through optimization of a formula for the mixed feed, and the feed is greatly lowered in cost, comprehensive in nutrients, good in feeding attraction and palatability and low in bait coefficient and can promote growth of Micropterus salmoides; thus, the growing ability of Micropterus salmoides is promoted, culturing cost is reduced, and economic benefits are increased.

The invention discloses a low carbon type litopenaeus vannamei ecological fodder and a preparation method thereof. The fodder comprises the following components: bean pulp, fish meal, flour weevil powder, chicken powder, inkfish powder, earthworm powder, fly maggot powder, silkworm chrysalis meal, shrimp head shell powder, rapeseed dregs, rice bran, wheat flour, corn flour, enteromorpha algae powder, saccharomyces cerevisiae, fish oil, soybean oil, phospholipid oil, folium mori flour, monocalcium phosphate, choline chloride, compound ore, compound vitamins, vitamin C phosphate and phytase. The fodder has scientific compatibility of medicines; the fish protein is replaced by the insect protein mainly from flour weevil, so that the dependence on the imported fish meal can be reduced, the cost is lowered and the low carbon purpose is achieved; the bioactive substances including folium mori flour, alga, and the like, are added, so that the factor interference of anti-nutrients can be reduced; the prawn can fully utilize the fodder; the growth performance of the prawn can be promoted; the emission amount of nitrogen and phosphorus can be reduced, so that the breeding environment of the prawn can be improved.

A starch-adsorption fluidized-bed process for drying the solid marine rhodotorula features use of continuous stream plus deep aeration culture and starch-adsorption fluidized-bed. The resultant has high concentration of rhodotorula cells (5-10 billions / g), high output and high living cell percentage (30%). It can be used to raise prawn and marine crab with high survial rate, health level and raising efficiency.

The present invention is a microbial agent for aquatic product feeds. The microbial agent consists of the following components in parts by weight: 8-15 parts of photosynthetic bacteria, 13-25 parts of nitrifying bacteria, 9-17 parts of lactic acid bacteria, 3-8 parts of lactobacillus acidophilus, 9-14 parts of yeast, 15-35 parts of spore bacteria, 5-9 parts of white-rot fungi, 4-13 parts of streptococcus thermophilus, 1-8 parts of enterococcus faecium, 2-5 parts of enterococcus faecalis, 1-4 parts of stenotrophomonas maltophilia, 0-3 parts of pseudomonas cepacia, and 0-0.5 part of yersinia ruckeri, and also includes 15-23 parts of medical stone powder. The aquatic product feed fermented by the microbial agent can effectively shorten the growth cycle of the aquatic products, reduce the death rate of the aquatic products, improve the survival rate, and can also purify water quality, effectively solve the shortages that water body is eutrophic and insufficient in nutrition, and reduce contents of COD, BOD and toxic substances.

The invention discloses a special fresh particle puffed feed for salmons and a preparation method of the feed. The special fresh particle puffed feed comprises the following components by weight percent: 10%-22% of imported fish powder, 13%-28% of fresh fish pulp, 8%-10% of krill powder, 5%-15% of fermented soybean meal, 3.5%-6% of active yeast, 2.5%-3.5% of soybean lecithin, 1.5%-2.5% of monocalcium phosphate, 10%-16% of high-gluten flour, 1%-2% of medical stone, 1%-2% of multi-dimensional multiple ore, 10.5%-12% of imported fish oil and 1.5%-2.5% of natural astaxanthin. The fresh particle puffed feed is prepared according to the conventional method for preparing the puffed fish feed. The special fresh particle puffed feed for the salmons is an ecological and environmental-friendly green fish feed; after the fish feed is fed to the salmons, the salmons have the advantages that the disease resistance is enhanced, the survival rate and the growth performance are obviously improved, the body color is obviously improved, the content of inosinic acid, the content of guanylic acid, the total amount of amino acid, the total amount of necessary amino acid and the total amount of unsaturated fatty acid and the like in main fresh substances of the salmons are respectively increased to different extents, the content of fat is obviously increased, and the indexes such as the muscle strength, the freshness, the fishy smell and the mouthfeel of the salmons are respectively and obviously improved.

The invention provides an adult fish feed of larimichthys crocea. The adult fish feed is prepared from the following components according to mass parts of air dry matters: 21-24 parts of fish meal, 3-4 parts of hydrolyzed fish protein meal, 3-4 parts of atomized and dried globin powder, 3-4 parts of shrimp meal, 4-5 parts of shrimp shell meal, 2-3 parts of euphausiid shrimp meal, 7-8 parts of silkworm chrysalis meal, 6-8 parts of fermented soybean meal, 3-5 parts of fermented cotton seed protein, 1-4 parts of peanut meal, 2-3 parts of sesame meal, 2-3.5 parts of corn DDGS, 4-7 parts of corn protein powder, 9.5-11 parts of flour, 8.5-10 parts of cassava starch, 1.5-2.5 parts of fish oil, 1-2 parts of soybean oil, 1-2 parts of soybean phospholipid oil, 1.5-2 parts of calcium dihydrogenphoshate, 1 part of Chinese herbal medicine compound preparation and 2 parts of premix additive. The Chinese herbal medicine compound preparation is prepared from the following substances in parts by weight: 12 parts of lonicera japonica, 6 parts of tuber onion seeds, 10 parts of poria cocos, 4 parts of polygala tenuifolia willd, 4 parts of cuscuta chinensis, 4 parts of carthamus tinctorius L and 60 parts of rice hull powder. According to the adult fish feed, the immunity of the larimichthys crocea can be enhanced and the larimichthys crocea can be prevented from being infected with sarcoidosis; and the adult fish feed has a good treatment effect on the larimichthys crocea with the sarcoidosis, and the cultivation survive rate of the larimichthys crocea is improved.

The invention relates to a loach ecological cycle running water culture system. The system comprises a rectangular loach culture pond, a drainage ditch, tubificidae culture ditches, wetland purification trenches and a clean water convergence trench, drainage pipes are arranged on the pool wall of the rectangular loach culture pond, the drainage ditch and the tubificidae culture ditches are arranged at the outer side of one end of the rectangular loach culture pond, and the clean water convergence trench is arranged at the other end of the rectangular loach culture pond. The wetland purification trenches are arranged at one side of the rectangular loach culture pond, and a water body flows through the bottom layers of loach culture pools, the drainage ditch, the tubificidae culture ditches, the wetland purification trenches, the clean water convergence trench and the loach culture pools in sequence. According to the loach ecological cycle running water culture system, by the adoption of the soilless running water culture mode, bottom mud is replaced with submerged plants, the loach inhabiting and ingestion environment is optimized, waste water for culturing loaches is utilized for culturing tubificidaes, living bait is provided for the loaches, a wetland system is utilized for purifying water, the efficient cyclic utilization of the water body is achieved, the loach quality is improved, and the loach output is increased.

The invention discloses a rapid cultivation feed for takifugu rubripes. The rapid cultivation feed comprises the following components in parts by weight: 20-40 parts of domestic fish meal, 10-20 parts of shrimp powder, 10-20 parts of meat and bone meal, 1-10 parts of chicken oil, 10-20 parts of corn starch, 1-5 parts of soybean lecithin, 0.1-5 parts of an oyster shell extract, 0.1-8 parts of cylindrotheca fusiformis powder, 2-6 parts of sodium alginate, 1-15 parts of functional additive components, 0.1-3 parts of multivitamins and 0.1-5 parts of multiminerals. A preparation method of the rapid cultivation feed disclosed by the invention comprises the following steps: (1) manufacturing raw materials; (2) synthesizing a biological material; (3) converting to a cooked material; (4) puffing and granulating; (5) drying; (6) spraying and coating; and (7) performing vacuum drying. According to the feed disclosed by the invention, by scientific matching, the body color of adult takifugu rubripes can be improved, the growth can be promoted, and the enrichment of tetrodotoxin can be reduced.

The invention discloses feed additive which improves the quality of large yellow croaker. The feed additive consists of two or three types in conjugated linoleic acid, vitamin E and soybean flavone by proportion. 1 percent to 5 percent of large yellow croaker quality modifying addition is added into large yellow croaker feed to feed the large yellow croaker, which can obviously reduce the content of malonaldehyde in large yellow croaker muscle, prevent fat oxidation, reduce the body fat content of the large yellow croaker, improve the figure of the large yellow croaker, improve the unsaturated fatty acid content in the large yellow croaker muscle, reduce the saturated fatty acid content in musculature, improve the skin color of the large yellow croaker, so that the large yellow croaker has tender fish and good taste. The feed additive which improves the quality of the large yellow croaker of the invention can obviously improve the quality of the cultivated large yellow croaker, and is safe without public harm and residue; and the cultivated large yellow croaker meets the green food sanitation requirements.

The invention discloses a color enhancing feed for leopard coral groupers, and a preparation method of the color enhancing feed. The feed is prepared from the following components in percentage by mass: 5-30% of natural krill powder, 20-60% of white fish meal, 3-10% of yeast, 10-30% of artemia, 5-15% of turmbicula akamushi, 5-16% of hydrolyzed protein, 10-30% of high gluten flour, 5-20% of squid powder, 5-15% of spirulina, 1-5% of fish oil, 1-3% of lecithin, 1-3% of betaine, 1-2% of a vitamin mixture, 2-4% of a mineral element mixture, 1-5% of a microorganism preparation, 1-3% of a compound immunity reinforcing agent, 1-5% of copepods, 1-3% of casein, 1-3% of EPA, 1-5% of DHA, 1-5% of ARA, and 1-2% of a phagostimulant. The feed disclosed by the invention can effectively improve body color,and the problems that color is gloomy, color enhancement is difficult, and the color is liable to be light and not liable to recover under stress state are solved. Besides, according to the preparation technology, the digestibility and the absorbability of the feed are improved, nutrient elements are not destroyed, and the freshness and the food calling properties of the feed are guaranteed.

The invention discloses a formula feed for juvenile fish of takifugu rubripes and a preparation method of the formula feed. The feed contains the following components in parts by weight: 30-50 parts of whitefish meal, 10-20 parts of krill meal, 10-20 parts of earthworm powder, 1-10 parts of squid oil, 1-10 parts of hordein powder, 1-10 parts of rice bran, 2-12 parts of dried yellow wine lees, 5-15 parts of wheat germ oil, 1-5 parts of evening primrose seed oil, 0.1-0.5 part of soybean enzymolysis protein, 0.1-0.5 part of a mussel extract, 1-8 parts of schizochytrium limacinum powder, 2-6 parts of nannochloropsis oculata powder, 5-15 parts of functional additive components, 0.1-0.3 part of multivitamins and 0.1-0.5 part of multiminerals. The preparation method comprises the following steps: (1) manufacturing raw materials; (2) synthesizing a biological material; (3) converting to a cooked material; (4) puffing and granulating; (5) drying; (6) spraying and coating; and (7) performing vacuum drying. The feed disclosed by the invention can improve the survival rate of the juvenile fish of takifugu rubripes, improve the physique and the body color, promote the growth, reduce the enrichment of tetrodotoxin and reduce the cultivation cost.

The invention relates to feed additives in aquiculture, in particular to a quality improver for low-salt or freshwater aquiculture of Litopenaeus vannamei Boone and a preparation method thereof. one kilogram of the improver comprises the following components: 30-50g of freeze-dried green algae powder, 20-50g of krill powder, 200-300g of eucommia ulmoides powder, 10-20g of inosinic acid, 10-20g ofsodium glutamate and the balance of zeolite powder. By adoption of the quality improver, the content of bromophenol which is a seafood flavor substance in muscle of low-salt or freshwater cultivated Litopenaeus vannamei Boone can be effectively increased, the content of inosinic acid which is a main seafood flavor substance in muscle of Litopenaeus vannamei Boone can be effectively enhanced, the body color of Litopenaeus vannamei Boone can be effectively improved, the contents of protein and flavoring amino acid in muscle of Litopenaeus vannamei Boone can be effectively increased, the attraction effect of feed of Litopenaeus vannamei Boone can be promoted and the growth property of Litopenaeus vannamei Boone can be improved to a certain extent, and the taste and flavor of Litopenaeus vannamei Boone can be improved finally.

The invention provides a snakehead larva fish feed. The snakehead larva fish feed is composed, by mass of dried matters, of 30-34 parts of fish meal, 2-4 parts of hydrolyzed fish protein powder, 5-8 parts of pork powder, 3-7 parts of spray-dried serum globulin powder, 3.5-7 parts of shrimp meal, 4-8 parts of krill meal, 9-11 parts of fermented soybean meal, 13-17 parts of flour, 4-8 parts of tapioca, 1.5-2 parts of fish oil, 1.5-2 parts of soybean oil, 1.5-2 parts of soybean lecithin oil, 1.5-2 parts of calcium dihydrogen phosphate, 1 part of Chinese herbal medicine compound preparation and 2 parts of premix additive, wherein the Chinese herbal medicine compound preparation consists of the substances of, in parts by weight, 12 parts of honeysuckle, 10 parts of safflower, 10 parts of tuckahoe, 8 parts of tuber onion seed, 6 parts of polygala tenuifolia, 4 parts of dodder and 50 parts of rice husk powder. The snakehead larva fish feed can enhance the immunity of snakehead, prevent the infection of visceral sarcoidosis, have good therapeutic efficacy on snakehead suffering from visceral sarcoidosis and improve the survival rate of snakehead in aquaculture.

The invention discloses a Chinese soft-shell turtle feed containing xanthophyll and a preparation method thereof. The feed is prepared by mixing the following components in parts by weight: 20 to 40% of imported fish meal, 10 to 30% of domestic fish meal, 2 to 10% of chicken powder, 3 to 8% of extruded soybean, 3 to 8% of fermented soybean meal, 4 to 8% of beer yeast, 18 to 23% of alpha-starch, 2 to 5% of gluten powder, 2 to 5% of alga powder, 1 to 1.5% of xanthophyll, 1.2 to 2% of traditional Chinese medicine regulating composition, 0.1 to 0.2% of vitamin premix, 0.1 to 0.2% of mineral premix, 0.5 to 1.5% of calcium dihydrogen phosphate, and 0.1 to 0.3% of choline chloride. The formula is reasonable, the nutrients are comprehensive, the body color of the Chinese soft-shell turtle can be improved to prevent whitening, and moreover, the fecundity, viability and immunity of Chinese soft-shell turtle are enhanced.

The invention discloses microdiet for fish larvae of takifugu rubripes. The microdiet comprises components as follows: white fish meal, tenebrio molitor meal, earthworm powder, shrimp oil, rice protein, husked sorghum flour, lotus root starch, maize germ oil, walnut oil, casein hydrolysate, green-lipped mussel extract, cylindrotheca powder, haematococcus pluvialis powder, a functional additive, complex vitamins and compound minerals. The preparation method of the microdiet comprises steps as follows: 1), preparation of raw materials; 2), synthesis of biological materials, 3), conversion into cooked materials; 4), puffing for granulation; 5), drying; 6), spraying for film coating; 7), vacuum drying. The microdiet can improve the body color of the fish larvae of the takifugu rubripes, promote growth and reduce tetrodotoxin enrichment.

The invention provides a formula nutrition feed with capability of improving the body color of eriocheir sinensis. The formula nutrition feed is prepared from the following components in percentage by weight: 15-25 percent of white fish meal, 10-20 percent of fish bone meal, 5-10 percent of soy protein concentrate, 10-20 percent of wheat flour, 5-10 percent of corn meal, 1-5 percent of shrimp meal, 1-5 percent of squid meal, 1-5 percent of field-snail-meat meal, 1-5 percent of mussel meat meal, 1-5 percent of snail meat meal, 1-3 percent of soybean oil, 1-2 percent of yeast, 5-8 percent of kelp, 2-5 percent of chlorella, 1-4 percent of green algae, 1-3 percent of spirulina, 0.5-2 percent of haematococcaceae and 0.5-1 percent of taurine. Compared with a traditional formula feed, as algae powder rich in carotenoid and a microorganism preparation are added, the formula nutrition feed can provide rich and comprehensive nutrients for growth of eriocheir sinensis, is also capable of effectively improving the body color of adult eriocheir sinensis, is healthy and environmentally friendly and has good economical benefit.

The invention provides a preparation method of a photosynthetic bacterium capable of improving the yield and / or the quality of aquatic animals, and particularly provides a preparation method of a photosynthetic bacterium preparation good enough to control, minimize or eliminate hydrogen sulfide in water. The preparation method comprises the steps that ectothiorhodospira shaposhnikovii in a purple sulfur photosynthetic bacterium is subjected to seed activating culture, seed culture, and anaerobic fermentation pot illumination culture, and the high-concentration photosynthetic bacterium preparation is obtained. The photosynthetic bacterium preparation can efficiently degrade hydrogen sulfide in the water in aquatic and marine environments, so that hydrogen sulfide in the water is minimized or eliminated, and the yield and / or the quality of the aquatic and marine animals are / is improved.

The invention provides a feed for larimichthys crocea larvae. The feed consists of the following components in parts by mass of air dry matters: 38-42 parts of fish meal, 2-3 parts of hydrolyzed fish protein power, 3-5 parts of spray-dried blood cells, 6-9 parts of shrimp meal, 10-12 parts of krill meal, 8-9 parts of silkworm chrysalis meal, 2-3 parts of wheat gluten, 1-1.5 parts of fermented soybean meal, 2-3 parts of corn protein powder, 5-6 parts of cassava modified starch, 1-1.5 parts of seaweed meal, 2-3 parts of fish oil, 2-4 parts of soybean oil, 2-3 parts of soybean phospholipid oil, 1.5-2 parts of calcium dihydrogen phosphate, 1 part of Chinese medicinal herb compound preparation and 2 parts of a premix additive, wherein the Chinese medicinal herb compound preparation consists of the following components in parts by weight: 14 parts of honeysuckle, 10 parts of leek seeds, 8 parts of poria cocos, 2 parts of polygala, 4 parts of dodder, 2 parts of flos carthami and 60 parts of rice hull powder. The feed can be used for enhancing the immunity of larimichthys crocea and preventing infection of visceral sarcoidosis, has a good treatment effect on the larimichthys crocea suffering from the visceral sarcoidosis, and improves the survival rate of larimichthys crocea culture.

The invention discloses a low-sugar, high-fat and slow-precipitation type micropterus salmoides expanded formulated pellet feed. A basic prescription of the pellet feed comprises 9-15 percent of carbohydrate and 8-22 percent of grease; the bamboo-leave flavone which accounts for 0.05-0.5 percent of the total weight of the basic prescription is added into the basic prescription of the pellet feed; and the volume mass of the pellet feed is 380-420kg / m<3>. The invention also discloses a preparation method of the pellet feed, which comprises the steps of dispensing, pulverizing, mixing, tempering, expanding, granulating, drying, and the like. The pellet feed has the characteristics of simple preparation, balanced nutrition and meeting the growth requirement of a micropterus salmoides.

The invention discloses a special ecological feed for promoting growth of lobsters. The special ecological feed is prepared from the following raw materials of bean cake powder, rapeseed meal powder, bran powder, bran powder, flour, purple sweet potato powder, pumpkin powder, pine needle powder, mulberry leaf powder, sunflower straw powder, olive oil, fish meal, cuttlefish cream, shrimp shell powder, egg shell powder, bee pollen, maifan stones, a microecological preparation, seaweed, garlic powder, flavomycin, olaquindox, betaine, an enzyme preparation and vitamin E. The special ecological feed for promoting the growth of the lobsters, provided by the invention, is reasonable in formula and comprehensive in nutrients and has the effect of promoting the growth, the cost is reduced, and besides, the growth requirement of the lobsters can be met.

The invention relates to a puffed compound feed capable of reducing the attack rate of frogs and increasing body color of the frogs. The puffed compound feed is prepared from the following raw material components of imported super-steam fish meal, domestic fish meal, imported chicken meat powder, peanut meal, corn protein powder, dehulled soybean meal, flour, calcium dihydrogen phosphate, cholinechloride, soybean oil, soybean phospholipid oil, vitamins for fish, minerals for fish, zeolite powder, composite bacillus and chitosan, and a marigold extract. According to the puffed compound feed, the attack rate can be reduced, the composition can complement with each other, the efficacy can be exerted in a synergistic manner, and besides, a formula of xanthophyll is added, so that improvementof the self disease resistance and the immunity of the frogs is facilitated, and the body color of the frogs is improved.

The invention relates to a feed additive for the aquaculture industry, in particular to a health turtle additive rich in conjugated linoleic acid and a preparation method thereof. The additive comprises the following components in percentage by weight: 2.5 to 5 percent of the conjugated linoleic acid, 0.25 to 0.5 percent of combination of inosine acid and guanylic acid, 1 to 1.5 percent of carnitine, 0.75 to 1.5 percent of glycine, 0.5 to 1 percent of alanine, and the balance of zeolite powder. The preparation method comprises the following steps of: firstly, crushing solid raw materials in raw materials and sifting the crushed solid raw materials with an 80-100 mesh sieve for later use; secondly, mixing and stirring the solid raw materials in proportion for later use; and finally, uniformly adding a liquid raw material namely the conjugated linoleic acid in the raw materials into the well-mixed solid raw materials to obtain the additive. The health turtle additive can effectively improve the health-care features of turtles to realize stable and high-efficiency enrichment of ClA having a plurality of biological activities in turtle muscles, and can improve the nutritive value of the turtles, the content of muscle protein of the turtles, the content of essential amino acid and the content of fresh flavor amino acid.