428 results about "Feather meal" patented technology

The invention discloses a method for processing inapplicable tobacco leaves by musca domestica larvae to prepare a biological protein feed, and belongs to the technical field of environmental protection. The method for processing the inapplicable tobacco leaves by the musca domestica larvae to prepare the biological protein feed comprises the steps of: crushing fresh inapplicable tobacco leaves until the grain size of the crushed leaves is 1-5mm; adding bran, mixture of rice chaff and husk, feather meal and spray-dried animal blood cells to prepare compost; and inoculating housefly eggs at the surface of the compost, cultivating the housefly eggs for 5 days at 25-35 DEG C, collecting the compost containing the musca domestica larvae, drying and preparing the biological protein feed. The method disclosed by the invention is strong in handling capacity, small in floor area, and low in energy consumption in the processing process, achieves the resource utilization of the inapplicable tobacco leaves, changes waste into precious resources, improves the environmental health, simultaneously produces the biologic protein feed, and has a good application prospect.

The invention provides a pregnant sow high-efficiency feed and a preparation method thereof. Raw materials such as corn, maize, wheat bran, soybean, fish meal, feather meal, soybean phospholipids, powdered zeolite, L-lysine hydrochloride, DL-methionine, threonine, arginine, talc powder, calcium hydrogen phosphate, potassium chloride, sodium bicarbonate, sodium chloride, coating VC (vitamin C), monomer VE (vitamin E), vitamin premix, choline, a trace element premix, ethoxy quinoline, a physiological regulator, a hydrated aluminosilicate mycotoxin adsorbent and the like are adopted, and the pregnant sow high-efficiency feed is prepared by smashing and mixing the raw materials. The feed has the following advantages: especially the equilibrium of amino acid, a special function of the arginineto a pregnant sow, the nutrition effect of fiber source and level to the pregnant sow, the nutrition effect of energy source and level to the pregnant sow and the nutrition requirement difference of different parities are especially considered, so that the breeding potential of the pregnant sow can be greatly excavated, the survival rate of embryos is improved, nutrition requirements in each stage of good development of the embryos are guaranteed, and the normal physique and body weight increase of the sow in pregnancy duration are maintained.

The invention discloses DDGS-containing meat duck feed and a preparation method thereof. The compound feed comprises the following raw materials: corn, wheat, wheat middling, maize embryo cake, corn gluten meal, DDGS, bean pulp, peanut pulp, feather meal, fat, table salt, stone powder, calcium hydrophosphate, choline chloride, methionine, threonine, lysine, betaine, phytase, composite premix, emulsifier, vitamin premix and trace element premix. The preparation method comprises the following steps: weighing, crushing, mixing, granulating and crushing. When the technical scheme provided by the invention is adopted, the feed and the preparation method have the advantages that: the mixing ratio is scientific; the manufacturing is simple; and the DDGS high-quality raw material is used, the consumption of conventional protein raw materials such as corn and soybean pulp is reduced, the cost of the feed is reduced, the nutrient demands of meat ducts for growth are satisfied, adverse effect onthe growth property of the meat ducts is avoided, muscle rate is improved, abdominal fat rate is lowered, the quality of meat is improved obviously, and the crop rate is high.

The invention relates to technology for fermenting and decomposing protein feed with protease in two steps by using probiotics, which is characterized in that the protein is fermented and decomposed with protease of aerobic fermentation matter in the anaerobic condition, soybean dregs, cotton dregs, vegetable dregs meal, wheat bran and other vegetable protein raw materials are sterilized at high temperature and then are aerobically fermented for 24-36h, feather meal and other animal protein raw materials are aerobically fermented for 20-26h, the inoculating temperature is controlled at 60-80 DEG C, the fermented materials are not dried and are directly mixed with fresh raw materials, corn steep liquor and other nutrient solution are added or not added; lactic acid bacillus are inoculated to the mixture, and water is supplemented to the mixture until the water content of the mixture reaches 40-60 percent, the mixture is compacted and sealed to be anaerobically fermented for 1-3d above 20 DEG C or 2-5d below 20 DEG C, and the mixture is dried after being fermented and decomposed with protease.

The invention provides a nursing sow high-efficiency feed and a preparation method thereof. Raw materials such as corn, white sugar, wheat bran, fish meal, soya bean meal, puffed soybean, feather meal, blood globulin powder, distillers dried grains with soluble (DDGS), soybean oil, vitamine, trace elements, an ionic equilibrium agent, a physiological regulator and the like are adopted, and the nursing sow high-efficiency feed is prepared by performing smashing, mixing, tampering, pelletizing and other processing on the raw materials. In the invention, the newest theory of the existing animal nutrition and feeding is taken as a basis and production practice is combined, thus the defects of the prior art are overcome. The high-efficiency feed has the following advantages: the current cultivation situation in the southern part of China, market requirements and the newest sow nutrition theory are combined, and maximization of productive potential of a nursing sow is taken as an aim, especially amino acid balance is considered, so that branched chain amino acid nutrition is enriched, the sow antistress capability is improved, and the palatability of the feed is improved; and the ionic balance of the feed is considered, high-quality feed raw materials are selected, and strict scientific processing is carried out, thus the milk production performance of the nursing sow can be greatly improved, finally the weight of weaning litter of suckling pigs is improved, and the market requirement is met.

The invention relates to a preparation method of feather albumen powder and the feather albumen powder prepared by the method. The method comprises the following steps: firstly carrying out pretreatment of washing, drying and cutting; then effectively carrying out steam explosion on feather by a steam explosion technique to damage the stable space structure of feather keratin; and finally carryingout zymohydrolysis treatment to enable the feather to become dissoluble small peptide and amino acid, thereby enhancing the digesting rate of pepsin of feather albumen and largely enhancing the biologic valence. The preparation method has the advantages of simplicity, low production cost, short processing period and high equipment efficiency. The content of crude albumen in the feather powder achieves more than 90%, and the digesting rate of in vitro pepsin achieves more than 88%.

The invention relates to a method for preparing a microbial feed additive. Feather meal, mannitol, glucose, sodium citrate, sodium chloride and the like are taken as raw materials, and inoculated with Bacullus subtilis YYW-1 with the number of CGMCC NO.2396 to prepare the microbial feed additive by submerged fermentation and spin flash drying technology. The active ingredients of the microbial feed additive are the Bacullus subtilis and cultures thereof, and the cultures contain metabolites such as keratinase capable of efficiently degrading feather. The product can be used in the breeding industry and the feed industry, and has the advantages of improving intestinal flora, improving digestion and absorption capacity of animals and the feed conversion and utilization rate, particularly promoting the digestion, absorption and utilization of protein materials such as the feather meal, and reducing cost.

The invention discloses a concentrated feed for laying hens in egg-laying peak period. The feed comprises a laying hen dietary feed with main components of soybean meal, cottonseed meal, rapeseed meal, corn germ cake, corn germ meal, enzyme hydrolyzed feather meal, stone powder, calcium hydrogen phosphate, medical stone, salt, and methionine; a health care agent combination pack and a premix are added into the laying hen dietary feed; the health care agent combination pack comprises ovary protecting elements, microecological preparations, enzyme preparations, diluents, and Chinese herbal medicine health care agents; and the premix comprises coated vitamins, mineral elements, methionine, and carriers. The feed can prolong the egg-laying peak period of laying hens, improve the body immunity of laying hens, improve the quality of the eggs, allow the eggshell to have a good texture and a pure color, allow the yolk to have a dark color, and allow the eliminated hens to be full-fledged and have good quality.

The invention discloses feed special for geese in the middle growth stage (33-55 days). The feed comprises, by weight, 8-13 parts of corn, 18-26 parts of wheat, 15-30 parts of rice bran, 20-30 parts of swelling soya dregs, 5-10 parts of imported Peru fish meal, 1-3 parts of soya bean meal, 5-15 parts of chrysanthemum meal, 8-16 parts of corn bran, 2-6 parts of fermented bioprotein, 0.5-3 parts of feather meal, 2-5 parts of spirulina powder, 10-15 parts of corn germ meal, 1-5 parts of Chinese herbal medicine additives, 0.5-2 parts of mountain flour, 0.1-1 part of calcium hydrophosphate, 0.02-0.05 part of compound enzyme, 0.006-0.02 part of phytase, 0.2-0.8 part of yeast powder, 1-3 parts of probiotics and 8-15 parts of compound premix for the geese in the middle growth stage. According to the feed special for the geese in the middle growth stage (33-55 days), a low-energy and medium-protein-level nutrition scheme is adopted, nutrients are comprehensive and balanced, the quality of goose meat is high, and economic benefits are good.

The invention discloses a cattle feed and a preparation method thereof. The cattle feed comprises the following raw materials: alfalfa hay, wild hay, corn straw, corn, wheat, broomcorn, wheat bran, soybean cakes, cotton seed cakes, vegetable cakes, calcium hydrophosphate, mountain flour, potatoes, fish meal, cabbage, pumpkin, feather meal, silkworm chrysalis, mineral additives, vitamin additives and amino acid additives. The preparation method comprises the following steps: crushing the above raw materials, mixing the raw materials, preparing feed grains, and drying the feed grains. The cattle feed has the beneficial effects that due to adoption of traditional Chinese medicine additives in the feed, the cattle feed can be used for improving the anti-disease capability and the immunity of cattle when heat is cleared, toxicity is removed, the lung is smoothened and the asthma is relieved, has the characteristics of being cheap, free of medicine residue, purely natural, free of toxic or side effect, safe and convenient, comprehensive in function, and the like, and can also meet the requirements of cattle on nutrition.

The invention relates to a keratin degradating bacterium NJY1 which belongs to the high technical field of biology. The strain NJY1 is named in classification as Bacillus thuringiensis, and the culture collection number is CGMCC NO.2494. The strain is inoculated in a seed culture medium and cultured at the temperature of 37 DEG C and at the rate of 120r / min for 24h to obtain a liquid culture of the NJY1. The strain produces transparent hydrolysis rings on a feather meal culture medium, the feather ferments and is degraded in a feather fermentation culture medium, and the degradation rate of the keratin in a keratin fermentation culture medium is 72.5%. The keratin degradation bacterium degrades the keratin by the method of microbial fermentation, which is suitable for producing high-quality protein feed. The keratin degradation bacterium can be used for developing and utilizing waste feather resources of slaughtered livestock and poultry, particularly transforming the feather protein into feed, so that waste can be changed into valuables, environment is protected, sustainable development can be promoted, and the application prospect is wide.

The invention provides laying hen laying peak period compound feed and a production method thereof. The production method comprises the following steps that: 40 to 50 portions of corn, 2.4 to 2.6 portions of 40% cottonseed meal, 14 to 16 portions of full fat rice bran, 5 to 7 portions of peanut meal, 1.3 to 1.5 portions of 60% corn protein powder, 11 to 13 portions of corn lees, 2 to 4 portions of flour, 1 to 2 portions of feather meal and 2 to 4 portions of corn germ meal are mixed and granulated into a laying-hen basic material; and then 80 to 90 portions of the laying-hen basic material, 3 to 5 portions of stone dust, 3 to 5 portions of stone particles, amino acid, premix and the like are pulverized, mixed, granulated, broken and sieved to form the laying hen laying peak period compound feed. The compound feed is produced by adopting the steps of mixing, granulating and pulverizing after the steps of granulating and pulverizing, so the loss of thermo-sensitive raw materials such as vitamins can be reduced through twice granulation, the cost can be reduced, the immunity of the laying hen can be improved, the health of the laying hen can be guaranteed, and remarkable social value and economic benefit can be realized.

The invention relates to the technical field of feed and in particular to a feed for phasianus colchicas. The feed comprises the following raw materials in percentage by weight: 50-60% of corn flour, parched soybean flour 15-20% of parched soybean flour, 8-10% of rye bran, 1-2% of pea flour, 25-30% of bean cake, 1-2% of chicken viscera meal, 1-2% of hydrolyzed feather meal, 0.5-1% of raspberry, 1-2% of pumpkin seed, 0.5-1% of sea buckthorn fruit, 1-2% of stone meal, 1-2% of crab shell meal, 1-2% of pine moth powder, 0.5-1% of peeled shrimp, 1-2% of wasp powder, 1-2% of molasses grass seed, 5-6% of young perilla leaf, 1-2% of honeysuckle, 1-2% of houttuynia cordata, 2-3% of premix, an appropriate amount of table salt and 0.2-0.5% of a feed attractant. The feed for phasianus colchicas, provided by the invention, is designed according to the feed intake behavior of phasianus colchicas, is based on the conventional feed materials with the addition of plant fruits and branches as well as leaves (such as molasses grass seed, sea buckthorn fruit, raspberry and perilla leaf) which improve the palatability of the feed, and traditional Chinese medicine (such as honeysuckle and houttuynia cordata) which can improve the disease resistance and bacterial infection resistance of phasianus colchicas and reduce the incidence of diseases. The incidence of diseases in phasianus colchicas fed on the feed can be effectively controlled, the weight gain is fast, the hair color is bright, the feed intake behavior is active, and the benefit of farmers is high.

The invention discloses a soil improvement agent for a saline-alkali land. The soil improvement agent is prepared from the following raw materials in parts by weight: 100-200 parts of humic acid, 50-100 parts of algae mud, 50-100 parts of biochar, 1-5 parts of a biological fungicide, 1-5 parts of a biological enzyme agent, 50-100 parts of pine needle meal, 50-100 parts of brewer's grain, 20-50 parts of sulfur slag, 20-50 parts of bentonite, 100-200 parts of chicken manure, 30-50 parts of straw, 20-30 parts of feather meal and 20-30 parts of earthworm powder. The sulfur ions and sulfuric acid contained in the added sulfur slag are firstly separated out by hot water, are attached to the biological fungicide by virtue of the biological fungicide and then are bound with ions in the saline-alkali land. By further adding an acidic amino acid chelating solution and a bamboo vinegar solution, the pH value of the saline-alkali land is decreased; and by adding the biochar, coconut chaff and rice bran, moisture and water preservation effects are achieved, and soil erosion is prevented.

The invention discloses a laying hen feed and a processing method. The feed comprises the following components in percentage by weight: 20 percent of malt, 40 percent of corn, 16 percent of bean pulp, 4 percent of cottonseed meal, 3.7 percent of rapeseed dregs, 2.4 percent of corn embryo cake, 1.0 percent of corn embryo meal, 0.3 percent of enzymolysis feather meal, 8.5 percent of stone powder, 0.8 percent of oil bone grain, 1.0 percent of bone grain, 0.2 percent of medical stone, 0.35 percent of salt, 0.15 percent of methionine, 0.6 percent of composite Chinese medicinal herbs and 1.0 percent of premix. The processing method comprises the following steps of: crushing and / or grinding various components in the feed, adding the various raw materials into a stirrer for stirring, and finally packing the stirred feed by using bags. Because of the use of the Chinese medicinal herbs, the feed improves the laid egg weight, improves the color of eggshells and prolongs the laying peak duration on the premise of keeping the daily feed intake unchangeable, and has the effects on health care and disease resistance at the same time so that the laying hens keep good production performance in the whole laying period.

A method and composition for reducing caking of proteinaceous products such as dried distiller's grains, corn gluten feed, fish meal, feather meal, soybean meal and other oilseed meals, and the like, particularly during transport and storage. The composition may include a reducing agent either alone or in combination with a chaotroph. Optionally, the composition includes an enzyme which may be added to the composition or substituted for all or part of the reducing agent. The composition also optionally includes a material which assists in maintaining a reducing condition in the proteinaceous product, and optionally a material which assists in blocking of free sulfhydryl groups.

The invention relates to a special unconventional protein compound duck feed for meat ducks of a fattening period, belonging to special feeds for specific animals. According to the special unconventional protein compound duck feed, a raw material formula is low in corn content, does not contain bean dregs, fish meal and meat and bone meal and consists of the following raw materials in parts by mass: 0.05-0.3 part of compound enzyme preparation, 10-40 parts of corn, 20-50 parts of wheat, 4-8 parts of corn protein feed, 6-9 parts of grain stillage, 3-7 parts of citric acid sludge, 3-6 parts of feed corn protein powder, 1-5 parts of peanut meal, 1-3 parts of germ meal, 1-4 parts of cottonseed meal, 1-3 parts of rapeseed meal, 1-3 parts of mountain meal, 0-1.5 parts of feather meal, 1.0-1.4 parts of lysine, 0.5-1.1 parts of calcium hydrophosphate, 0-1 part of fat, 0.28-0.33 part of salt, 0.1-0.15 part of threonine, 0-0.5 part of methionine and 0.5 part of premix material; and the special unconventional protein compound duck feed is prepared through the steps of mixing the raw materials to be uniform, carrying out heat treatment at the temperature of 85-90 DEG C, and then pelleting. The prepared special unconventional protein compound duck feed for the meat ducks of the fattening period is applicable to the daily feed supplying of fattening-period meat ducks of 6 to 7 weeks old.

The invention discloses feed for parental breeding ducks and a preparation method thereof and belongs to the field of animal feeds. The feed is prepared by adopting corn, wheat, fine rice bran, fermented soybean meal, corn protein powder, corn distiller, peanut meal, hydrolyzed feather meal, meat meal, stone powder, soybean oil, calcium hydrophosphate, 70% lysine, methionine, salt and premix as raw materials, crushing, mixing and granulating. The premix is prepared from choline chloride, baking soda, tryptophan, phytase, neutral protease, a compound enzyme preparation, dietary daidzein, lysozyme, a microecological preparation, carotene, a trace element premixing agent, a vitamin premixing agent and corn germ meal. The feed disclosed by the invention has the advantages that the matching ratio is scientific, the nutrition is comprehensive, the preparation method is simple, the production cost is low, the digestion utilization rate and the laying rate of the parental breeding ducks for the feed are increased, the high-peak period of laying is long, the elimination rate and the broken-egg rate are low, and simultaneously the contents of N, P and heavy metals in feces are reduced and the ecological environment of a water body is improved.

The invention provides an unconventional protein compound chicken feed special for table poultry in an adult stage, and belongs to a special feed for specific animals. The feed comprises the following compositions by weight portion: 0.1 to 0.2 portion of enzyme preparation, 45 to 50 portions of corn, 20 to 25 portions of wheat, 3 to 6 portions of peanut meal, 0 to 6 portions of protein powder, 0 to 2 portions of hydrolyzed feather meal, 2 to 6 portions of cotton seed meal, 0 to 3 portions of waste starch slurry, 1 to 6 portions of alcohol draff, 2 to 4 portions of cottonseed protein, 1 to 4 portions of rapeseed dregs, 0 to 3 portions of germ meal, 2.2 to 2.8 portions of grease, 1.4 to 1.7 portions of stone dust, 0.4 to 0.6 portion of calcium hydrophosphate, 0.3 to 0.33 portion of salt, 0.8 to 0.9 portion of lysine, 0.12 to 0.2 portion of threonine, 0.12 to 0.2 portion of methionine, 0.06 portion of choline chloride, and 0.5 portion of premix compound. The unconventional protein compound chicken feed solves the problem that the conventional protein chicken feed has short of raw material resources, uses industrial waste as raw materials, saves energy resource, protects environment, and is suitable to be used as daily ration of the table poultry 7 days before sale.

The invention discloses special fodder for the goose fattening stage. The special fodder comprises, by weight, 10-20 parts of corn, 20-30 parts of wheat, 15-30 parts of rice bran, 0.5-2 parts of lard oil, 2-5 parts of sweet potato leaves, 1-2 parts of grape seed oil, 10-30 parts of corn protein powder, 1-2 parts of fish meal, 1-3 parts of soybean protein concentrate, 5-10 parts of chrysanthemum dregs, 5-15 parts of dried blood, 2-6 parts of fermentation biological protein, 0.5-1.5 parts of feather meal, 2-5 parts of cotton dregs, 5-15 parts of maize germ pulp, 0.5-2 parts of rock flour, 1-5 parts of se-enriched yeast, 2-6 parts of Chinese herbal medicine additives, 0.2-0.8 part of compound enzyme, 0.2-0.8 part of phytase, 0.01-0.04 part of white ginseng, 0.1-0.5 part of armillaria mellea, 0.01-0.05 part of rhizopus oryzae, 0.02-0.08 part of lysine and 0.02-0.09 part of methionine. The special fodder is green, healthy, balanced in nutrition, remarkable in weight put-on effect and low in cost.

The invention discloses a powdery material of a compound feed for broilers and a preparation method of the powdery material. The powdery material comprises the following raw materials: corn, corn albumen powder, peeled bean pulp, cotton dregs, corn alcohol dregs and soluble substances thereof, chicken and duck oil, soyabean lecithin oil, feather meal, fish meal, mountain flour, calcium hydrogen phosphate, table salt, lysine, methionine, sodium bicarbonate, microecological substances, choline chloride, betaine, complex enzyme, phytase, detoxified toxin, mineral substances and vitamins. The preparation method comprises the following steps of: a, weighing other various raw materials except the powdery raw materials in a weight ratio, and performing coarse crushing by using a 7.0-millimeter crushing sieve; and b, weighing the powdery raw materials in the weight ratio, and mixing the powdery raw materials with the crushed materials in the step a uniformly. The technical scheme provided by the embodiment of the invention has the advantages that: the powdery material of the compound feed for the broilers meets the nutritional requirements of the raised broilers within 7 to 15 days before slaughtering, and the weight of the broilers before the slaughtering exceeds the standard weight.

The invention provides a process for de-coloring a feather / feather meal degradation product and application of a de-colored product, belongs to the technical field of feather meal processing and aims to solve the problem that the feather / feather meal degradation product has the defects of black appearance, bitter taste, stinking smell, poor palatability when serving as an aquatic animal feed, water body environmental pollution and the like. A method is simple, rapid and effective and comprises the following steps of: adding pH adjusting reagents, such as sulfuric acid, hydrochloric acid and the like into a feather / feather meal alkaline hydrolysis and enzymolysis product; performing fractional separation on the product through the difference among various polypeptide isoelectric points in the product; and drying and smashing the product to obtain a finished product. The process has the advantages of simpleness, convenient implementation and capability of effectively de-coloring the feather / feather meal degradation product to form a fish meal-colored (wheat) product and greatly improving the appearance of the product. The bitter taste of the feather / feather meal degradation product treated by the process is removed effectively while nutritional value is not changed.

The invention relates to a special ferment bacterium biological water cleaning agent for fish ponds, which comprises a culture medium base material, a microbian compound preparation, a feather meal, multivitamins and a compound enzyme preparation. The invention has the advantages that the ferment bacteria can quickly decompose hydrogen sulfide, ammonia gas, methane and other harmful gases in the rearing pond; the favorable conditions of the water quality in the rearing pond is kept, the photosynthetic bacteria can accelerate the circulation of nutrient substances, improve the pH value, enhance the oxygen content and reduce the oxygen consumption of organic substances, and therefore, the water cleaning agent can effectively promote the circulation of phosphonium and nitrogen and reduce the accumulation of the bottom mud; and photosynthetic bacteria are beneficial, and have the functions of promoting the digestive absorption of animals, stimulating the growth and development, enhancing the immunologic function and inhibiting various pathogenic bacteria. The water cleaning agent is very effective for improving the water quality; and the water quality starts to become clear 3 hours generally after the water cleaning agent is used. The water cleaning agent has favorable actions on preventing and treating myxobacteria, gill rot, stigmatosis, desquamation, red fin disease, enteronitis and graze; and the water cleaning agent can enhance the yield per mu by 15-23%, reduce the feed coefficient by 18-23%, enhance the survival rate by 20-60% and increase the individual weight by 15%.

The invention discloses non-caking and easy-to-absorb organic fertilizer which is prepared by raw materials in parts by weight as follows: 5-6 parts of shell powder, 4-5 parts of columbium ore powder, 6-7 parts of feather meal, 3-5 parts of monosodium glutamate residues, 6-8 parts of ammonium sulfate, 6-8 parts of urea, 5-6 parts of Chinese wing nut leaves, 3-4 parts of yellow seriflux, 35-50 parts of deer manure, 4-5 parts of ammonium polyphosphate, 5-6 parts of potassium sulfate, 2-3 parts of micro silicon powder, 25-30 parts of sorghum straw, 20-30 parts of a soil conditioner and appropriate amount of water. The fertilizer has simple process and comprehensive nutrition, raw materials after fermentation treatment can be absorbed by crops more easily after degraded in soil, the soil fertility is improved simultaneously, fertilizer particles can be prevented from caking by means of addition of the micro silicon powder, the content of medium trace elements in the fertilizer can be balanced through addition of the Chinese wing nut leaves, the yellow seriflux, the feather meal and the like, and the organic fertilizer has very high economic value.

The invention discloses meat duck compound feed and a preparation method thereof. The meat duck compound feed comprises, by weight, corns, wheat, distiller's dried grains with solubles (DDGS), corn protein powder, pea protein powder, poultry oil, limestone powder, calcium hydrophosphate, second-level standard wheat flour, salt, l-lysine sulphate of 65%, methionine of 98%, threonine of 98%, liquidphytase, choline chloride, hydrolyzed feather meal, vitamin premix, mineral premix, liquid wheat enzyme, an emulsifier and betaine monohydrate. The preparation method comprises a step of crushing, a step of mixing, a step of pelleting and a step of spraying. The meat duck compound feed has the advantages of not only reducing fat content of carcasses and improving resistance of meat ducks, but also improving production performance of the meat ducks and quality of the carcasses.

The invention relates to a preparation method of enzymolysis oligopeptide protein in a feed additive. The method comprises the steps of adding strain in a bottom material rich in nutrient components, and fermenting the mixture, wherein the bottom material comprises one of or more than two of rapeseed meals, cotton dregs, bean dregs, blood powder, feather meal, maize germ and zein fiber, and the strain is one of or more than two of bacillus subtili, candida utilis, lactobacillus, streptococcus faecalis and bifidobacterium. Compared with the prior art, the invention has rich nutrition, is healthy and save, and can effectively improve the autoimmunity of livestock and poultry, thereby improving the yield and the quality of animal products.

The invention relates to a composition of mixed animal protein which can be used for a substitution for aquatic animal compound feed, in particular to substituting for the fishmeal in fish compound feed. The composition of mixed animal protein comprises by weight portion: 100 portions of chicken meal, 40-80 portions of meat and bone meal, 20-50 portions of blood meal, 0.5-2 portions of methionine, 0-30 portions of feather meal and 0-4 portions of attractant. The invention also relates to a preparation method for the composition of mixed animal protein and the application thereof in preparation of aquatic animal feed. Taking advantage of the composition of mixed animal protein of the invention, 50-100 percent of fish meal in the fish compound feed can be directly replaced.

The invention provides a method of preparing soil water-loss reducer with feather powder. The invention is characterized in that feather powder is made of the waste feather of chicken, duck and other poultries. Make the feather powder steeped in the sodium sulfite solution of normal temperature for 24 hours and filtering. Under 80~90 Deg. C, hydrolyse the filter residue in 2%~5% natrium hydroxydatum solution and get the water soluble protein which molecular weight is 5000~10000. Implement the hydrophilicity modification with peroxyacids and get the modifying hydrolysis feather protein solution. And mix the feather protein solution with acrylamide vinyl polymer solution, process cross bonding, graft copolymerization under the action of redox initiating agent and get the water-absorbing gel. The said soil water-loss reducer is finished after granulating, drying and disintegrating.

The invention discloses a special feed capable of reducing fat deposition and improving muscle quality of a meat duck. The special feed is prepared from the following raw materials in percentage by weight: 0.05%-1% of ultramicro tea powder, 10%-60% of corns, 5%-30% of wheat, 2%-28% of bean pulp, 0%-25% of green bran, 1%-5% of cottonseed meal, 0.5%-6% of corn protein powder, 0%-10% of DDGS, 0%-15% of rice polish powder, 2%-5% of bran, 0%-3% of feather meal, 0.5%-2% of soybean oil, 0.5%-2% of zeolite, 0.5%-2% of attapulgite, 1%-1.5% of stone powder, 0.01%-0.4% of methionine, 0.01%-0.4% of lysine, 0.01%-0.1% of an emulsifier, 0.01%-0.1% of betaine anhydrous, 0.05%-0.1% of a compound enzyme preparation, 0.5%-2% of a compound animal health agent and 1% of vitamin and microelement premix. According to the special feed, the fat deposition of the meat duck can be reduced, the muscle quality of the meat duck can be improved, and the economic benefit of breeding can be increased.