92 results about "Weight gaining" patented technology

The invention discloses a compound rumen bypass guanidinoacetic acid additive as well as a preparation method and application thereof, and belongs to the technical field of animal feed additives. The compound rumen bypass guanidinoacetic acid additive provided by the invention is prepared from the following components in parts by mass: 40 to 60 parts of guanidinoacetic acid, 0.1 to 0.5 part of selenium yeast, 5 to 10 parts of nicotinamide, 5 to 12 parts of DL-methionine, 0.01 to 0.05 part of vitamin B12, 1 to 3 parts of compound probiotics, 3 to 5 parts of hydroxypropyl methyl cellulose, 1 to 2 parts of ethyl cellulose, 15 to 25 parts of hydrogenated palm oil and 3 to 5 parts of glyceryl monostearate. The compound probiotics comprise bacillus subtilis and saccharomyces cerevisiae. The compound additive provided by the invention can significantly improve the daily gain of ruminants and reduce the feed-gain ratio, and meanwhile, due to the improvement of the energy utilization efficiency and the enhancement of the antioxidant ability, the immunity of animals is improved, the morbidity is reduced, and the meat quality is improved.

The application provides a fattening late-stage pig feed and a preparation method thereof, and relates to the technical field of pork breeding. The fattening late-stage pig feed is characterized by adding 10-15% of a nutritional supplement to per kilogram of fattening feed, and the nutritional supplement is composed of pine branch fermentation material, lotus root fermentation material, alfalfa powder, roxburgh rose extract and caffeine. The pine branch fermentation material is obtained by subjecting pine branches to cellulase enzymolysis treatment and then to fermentation by means of bifidobacterium and spencerolyn cryptococcus. The lotus root fermentation material is obtained by subjecting cooked lotus roots to fermentation by means of lactobacillus plantarum. The application overcomes the shortcomings of the prior art, effectively guarantees the weight gain efficiency of porkers in the late fattening stage, further improves pork quality, and comprehensively improves the economic benefits of pork breeding.

The application discloses a kind of modern pig farm feed feeding quantity intelligent prediction method, belong to wisdom breeding technical field;Including the following steps: obtaining the information of pig in pig farm and the age stage weight gain speed of pig and the number of days that can be finished;Neural network is constructed;Obtain first loss function;According to first loss function, neural network is trained, and learning age stage weight gain speed weight is constantly updated simultaneously until convergence;Second loss function is obtained;Based on second loss function, the size of the feed quantity to be learned is constantly updated using gradient descent method until convergence, and the last converged feed quantity is the optimal feeding quantity of the corresponding age stage of the pig.The application realizes intelligent precision breeding by collecting the information of pig, and obtaining the optimal feeding quantity of each pig based on the information of pig.

The application provides a sheep fattening complete granular feed and a preparation method and a feeding method thereof, relates to the technical field of feed, and the sheep fattening complete granular feed comprises the following components: ginseng stem and leaf, red yeast extract and sheep group basic feeding daily ration. The application solves the technical problems of high total ginsenoside extraction cost, low single stomach animal utilization rate, slow growth during the sheep fattening period and frequent outbreaks of diseases, achieves the technical effects of improving ginsenoside utilization efficiency, synergistically improving sheep immunity and improving the average daily weight gain of sheep during the whole period, and meanwhile, the process is simple, and the cost is low.

This invention belongs to the field of feed preparation technology, specifically disclosing a feed composition suitable for Aohan donkeys and its application in fattening. The feed composition comprises the following raw materials in parts by weight: 25-35 parts of compound fermented product, 0.5-2 parts of camellia extract, 30-40 parts of corn stalks, and 5-10 parts of cottonseed meal. This invention discloses a feed composition suitable for Aohan donkeys and its application in fattening. This feed composition can increase the body weight and average daily weight gain of Aohan donkeys, reduce intestinal permeability indicators, improve intestinal barrier function, promote the growth and development of Aohan donkeys, and improve the meat quality of Aohan donkeys.

The present application belongs to the technical field of microbial fermentation feed, and discloses a fattening sheep complete mixed granular feed fermented by lactobacillus paracasei and a preparation method. The present application provides a lactobacillus paracasei strain for degrading gossypol, and the strain is used for solid fermentation of a mixture of cottonseed meal and cassava powder to obtain a fermented feed. The fermented feed is used for preparing a fattening sheep complete mixed granular feed, which can be directly used for feeding fattening sheep and can completely meet the nutritional needs of the fattening sheep. The complete mixed granular feed can significantly improve the palatability, and increase the feed intake and daily weight gain of the fattening sheep through fermentation of the cottonseed meal and the cassava powder.

This invention discloses the application of a porcine-derived Bacillus in antioxidant activity, wherein the porcine-derived Bacillus is used to prepare antioxidant products. The porcine-derived Bacillus is Bacillus subtilis YB-X-721, classified as Bacillus subtilis, and was deposited at the China General Microbiological Culture Collection Center on November 10, 2023, with accession number CGMCC No. 28942. The fermentation supernatant, bacterial suspension, and cell-free extract of the porcine-derived Bacillus subtilis YB-X-721 of this invention all possess certain DPPH free radical, superoxide anion free radical, and hydroxyl free radical scavenging abilities, as well as a certain reducing ability, and can be used to prepare antioxidant products. Furthermore, when the porcine-derived Bacillus subtilis YB-X-721 of this invention is added to piglet feed as an animal feed additive, it can improve the growth performance of weaned piglets, significantly increasing average daily weight gain, and significantly reducing average daily feed intake, feed conversion ratio, and diarrhea rate.

This invention relates to the field of feed science and technology, specifically to a feed preparation method for improving the appearance, oiliness, and color of pig concentrate. The concentrate consists of a main ingredient and auxiliary ingredient system. The main ingredient core includes 100-350 parts of 46% protein dehulled soybean meal, 150-300 parts of high-temperature, high-pressure hydrolyzed feather meal, 15-30 parts of grade IV degummed soybean oil, and 15-40 parts of phospholipid oil powder, etc.; the auxiliary ingredients include fruit and milk flavoring agents that target the olfactory preferences of growing pigs. The process strictly limits the pore size of the bulk plant raw materials to 1.5-2.0 mm and uses lipid emulsification spraying technology to construct a "reflective microemulsion film" on the powder surface. This invention utilizes the optical superposition of the solid golden color of hydrolyzed feather meal and the deep yellow color of grade IV soybean oil to give the product a golden, delicate, and long-lasting glossy appearance. Furthermore, the solution overcomes the palatability bottleneck of high-proportion feather meal replacing conventional protein, effectively improving the daily weight gain of pigs and significantly reducing the rate of hindgut diarrhea.

A yeast biomass composition is formed by culturing a strain of yeast in a substrate such as whey permeate to product a yeast broth, dewatering the broth to produce yeast biomass, and hydrolysing the yeast biomass. The yeast biomass composition finds utility as a feed additive for broiler chickens to reduce the adherence of pathogenic bacteria like Salmonella and E.coli to the gut wall of the chickens, thereby reducing intestinal stress and improving life daily weight gain in the chickens.

The invention relates to a lactic acid bacteria composition and an application thereof in a low-temperature liquid biological feed, in particular to a lactic acid bacteria complex microbial inoculant suitable for a low-temperature environment (15-25 DEG C) and a fermentation process of the lactic acid bacteria complex microbial inoculant. The combination comprises pediococcus pentosaceus WP101 (the preservation number is CCTCC NO: M 20241055) and lactobacillus plantarum PC01 (the preservation number is CCTCC NO: M2022106), and the viable count of the combination is 25 million cfu / g feed according to the proportion of 1: 1. By optimizing the synergistic effect of strains and fermentation conditions, efficient fermentation in a low-temperature environment is realized, the content of lactic acid in the feed is remarkably increased, and growth of harmful microorganisms is inhibited. Animal experiments show that the fermented feed can reduce the diarrhea rate of piglets by 45.5% (Plt; 0.05), improve the daily gain of fattening pigs in the later period and the feed conversion rate, and reduce the loss of dry matters at the same time. The problem of energy consumption caused by the fact that traditional medium-temperature fermentation depends on heating and heat preservation is solved, technical support is provided for large-scale low-temperature liquid biological feed production, and economic and environmental benefits are achieved.

The invention discloses a live pig feeding fine management device and system, and relates to the technical field of live pig breeding, the live pig feeding fine management device comprises a pig trough and a readable electronic ear tag, the pig trough is provided with a channel, and a first electronic weighing device is arranged below the channel; according to the invention, through readable electronic ear tag identification, automatic feeding control and double-scale synchronous metering, the identity, accurate feed intake and weight data of pigs are automatically collected when the pigs eat each time, a continuous individual data link is formed, and on the basis, real-time monitoring of the feed intake interval, automatic early warning of abnormal feed deprivation and early detection of diseases can be realized; according to long-term accurate feed conversion ratio and daily weight gain data, a quantitative basis is provided for scientific breeding of high-yield breeding pigs, the non-pregnant period is intervened and effectively shortened in time by continuously analyzing the weight change trend of breeding sows and intelligently assisting early pregnancy diagnosis, and finally, the system changes traditional empirical group management into traditional group management. And the system is upgraded to a data-driven and individualized intelligent management closed loop.

The invention relates to the related technical field of pig feeds, in particular to a soybean-meal-free feed for increasing the intramuscular fat content of pork and application of the soybean-meal-free feed. The feed comprises the following raw materials: corn, fermented rapeseed meal, wheat bran, rice bran and hull, soybean oil, sodium chloride, calcium hydrophosphate, mountain flour, L-lysine hydrochloride, DL-methionine, L-threonine, L-tryptophan, choline chloride, a trace element premix and a vitamin premix. The feed is suitable for growing-finishing pigs with the weight ranging from 30 kg to the market (the weight ranges from 125 kg to 130 kg). The fermented rapeseed meal contained in the feed disclosed by the invention is produced by treating high-temperature hot-pressed rapeseed meal through a special bacterium-enzyme synergistic fermentation process. Tests prove that the feed does not use soybean meal, but the feed intake, the weight gain, the intramuscular fat content of pork and the economic benefit of pigs are remarkably improved.

The application discloses highland yak fattening ammoniated straw feed and application thereof, and aims to solve the technical problems of insufficient winter feed supply, low fattening efficiency and poor breeding benefit of highland yak in the Tibetan area. The ammoniated straw feed is prepared from crop straw as raw material through pretreatment, ammoniation and sealed storage, and is suitable for winter feeding of highland yak in the Tibetan area. The application also discloses application of the feed in highland yak fattening in the Tibetan area. Through quantitative feeding in stages, the daily weight gain of the yak can be remarkably improved, the breeding benefit is increased, straw resource utilization is realized, and environmental pollution is reduced. The raw material of the application has a wide source, the preparation cost is low, the feeding effect is remarkable, the application is suitable for the free-range mode of yak in the Tibetan area, and is easy to popularize and apply, and has economic, ecological and social benefits.

The present application relates to the technical field of fermented feed processing, in particular to a fermented feed of Citrus paradisi and a preparation method thereof and application of the fermented feed in improving meat quality of broilers, and the fermented feed is prepared by using residual fallen fruits, which is not only beneficial to solving the problems of environmental pollution and resource shortage in livestock industry caused by the untreated secondary fruits and fallen fruits, but also can increase the source of feed raw materials and promote sustainable economic development; through fermentation research on the preparation method, it is found that different strains are used to prepare fermented feeds, and different fermented feeds have different effects, the fermented feed prepared by using Aspergillus oryzae XMS01 and Lactobacillus plantarum XMS02 together can effectively improve the chicken meat quality, through research on the feed, it is found that the feed can effectively improve the chicken weight gain, and can effectively reduce the abdominal fat rate of Guangxi Fufeng broilers, and improve the chicken meat quality of Fufeng broilers, and is a fermented feed which can replace conventional daily ration.

The invention provides a feed additive and compound feed for improving intramuscular fat of pork, and belongs to the technical field of animal feed. The additive consists of the following components in parts by mass: 30-40 parts of codonopsis pilosula, 20-25 parts of rhizoma atractylodis, 12-16 parts of folium eriobotryae, 10-15 parts of bighead atractylodes rhizome, 10-15 parts of poria cocos, 8-12 parts of hawthorn, 18-22 parts of pomegranate rind and 5-10 parts of liquorice. The feed additive disclosed by the invention can effectively solve the problem that the meat quality and flavor of modern commercial pigs are reduced due to high lean meat percentage breeding through the synergistic effects of tonifying spleen, promoting appetite, promoting nutrient absorption and regulating metabolism. When the feed additive is applied to live pig feeding, the average daily gain and the meat-feed ratio of pigs can be remarkably increased on the premise that the thickness of back fat is not increased, meanwhile, the carcass lean meat percentage, the marbling score and the intramuscular fat content are increased, and the yield and the edible flavor of pork are comprehensively improved.

The application belongs to the technical field of microbial fermentation, and particularly relates to a fermentation product of fruit and vegetable wastes and corn stalks and application thereof. The fermentation product is obtained by inoculating Aspergillus oryzae SLY-M-15 fermentation product and Saccharomyces cerevisiae into a first mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes, performing aerobic fermentation, adding a second mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes and corn cob, performing secondary aerobic fermentation, inoculating Lactobacillus casei, Lactobacillus acidophilus and Lactobacillus fermentum, and performing anaerobic fermentation. The obtained fermentation product is applied to animal feed, can improve the average daily weight gain of mutton sheep, reduce the feed conversion ratio, improve the tenderness and cooked meat rate of mutton, and increase the content of n-3 polyunsaturated fatty acids.

The invention discloses a deep processing method of wheat protein and application of the wheat protein in feed, and belongs to the technical field of deep processing of wheat protein and feed additive.The deep processing method comprises the steps that disulfide bonds are broken through sulfite under the alkalescent condition, so that the protein structure is loosened, then reducing sugar is added, the pH value is adjusted back to be nearly neutral, and the wheat protein is obtained through two-stage temperature-control and humidity-control dry heat treatment; maillard grafting modification and flavor generation are synchronously realized. The whole process does not need an enzyme preparation and is simple in process route; the water-soluble protein content of the obtained product is remarkably improved, the product can equivalently replace fish meal in a broiler chicken test, and the daily gain and the protein digestibility are remarkably improved; the process is simple to operate, low in cost and easy to industrially popularize, and a brand new path is provided for high-value utilization of the wheat protein.

The application discloses a functional tea polysaccharide as well as a preparation method and application thereof. The tea polysaccharide is prepared by using coarse old tea leaves as raw materials, and the raw materials are pretreated by supermicronization and dewaxing and small molecule impurities, and then are extracted by adopting cellulase-papain compound wall breaking, and further treated by adopting hydrogen peroxide, so that the tea polysaccharide with high yield and strong biological activity is obtained. The tea polysaccharide extracted by the method can slow down the weight increase of obese C57BL / 6J mice caused by high-fat diet, improve glycolipid metabolism disorder, and make db / m mice intestinal flora metabolize to produce new functions of important biomarkers such as indole, so that the high-quality reuse of coarse old tea leaves is realized.

The application belongs to the technical field of animal molecular breeding, and particularly relates to application of a SNP haplotype molecular marker related to average daily weight gain of Large White pigs, wherein the SNP haplotype molecular marker comprises 12 loci of SNP1-SNP12, when the combination of SNP1-SNP12 is TTGCCCCACAGT in turn, the average daily weight gain of the Large White pig is higher than that of the combination of TCATATTTTGGC; the application refers to any one of the following: identifying the average daily weight gain of the Large White pig; improving the average daily weight gain of offspring of the Large White pig. Based on the application, in the actual breeding process, the H001 (TTGCCCCACAGT) haplotype individual is reserved, which is beneficial to screening of the high average daily weight gain individual and breeding, and improves the accuracy of early selection of the average daily weight gain trait of the Large White pig, and has good economic benefits and wide application prospect.

The present application belongs to the technical field of food processing, and particularly relates to a method for increasing the weight of Porphyra dentata nori sheet and keeping the flavor thereof. The method comprises the following steps: once baking and drying the moisture of dry base Porphyra dentata; mixing, homogenizing and spray drying the flavoring agent and wall material solution to prepare flavor microcapsule powder; high-speed shearing and high-pressure homogenization treatment of edible oil, emulsifier and water to form oil-in-water (O / W) emulsion; adding the microcapsule powder and the emulsion; and twice baking treatment to simultaneously complete drying of the Porphyra dentata and solidification of the coating liquid. Through the microcapsule embedding and emulsion construction technology, the present application realizes the healthy weight gain and controllable release of the flavor of the product, significantly reduces the oil consumption, and effectively solves the problems of easy oxidation of oil, greasy taste and texture deterioration caused by colloid weight gain in the traditional heavy oil process.

The invention belongs to the field of biological fermentation feeds, and discloses a preparation method and application of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation, and particularly relates to a preparation method of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation by taking Sophora alopecuroides straw as a raw material, adopting a complex microbial inoculant composed of lactobacillus plantarum, saccharomyces cerevisiae, bacillus subtilis and aspergillus niger, cooperating with cellulase and beta-mannase, and performing multi-bacterial enzyme synergistic fermentation. The compound is prepared through a two-stage fermentation process of aerobic enzyme production and anaerobic detoxification. The invention provides a preparation method and application of a Sophora alopecuroides feed based on multi-bacterial enzyme synergistic fermentation, toxic alkaloids in Sophora alopecuroides can be efficiently degraded, the crude protein content can be significantly increased, and fibers can be degraded, and after the prepared fermented feed replaces corn in daily ration of mutton sheep, the daily gain of the mutton sheep can be significantly increased, the feed-to-weight ratio can be reduced, and the production cost can be reduced. The flavor and the nutritional value of the mutton are improved, high-valued and safe utilization of toxic agricultural wastes is realized, and a new scheme is provided for green breeding and high-quality animal product production.

The invention provides a compound feed for improving goat meat quality and a preparation method thereof, and relates to the technical field of livestock breeding. The compound feed is prepared from corn, soybean meal, a burdock leaf modified material, a bamboo powder fermented material, leymus chinensis, alfalfa, oat bran, soybean oil, a premix and a compound additive. The burdock leaf modified material is prepared by mixing burdock leaves with saline water, grinding, soaking, filtering, carrying out microwave drying, inoculating the dried burdock leaves with potato juice, fermenting, sterilizing and drying; the bamboo powder fermented material is prepared by mixing crushed bamboo leaves with acid-modified bamboo pole powder, fermenting with saccharomyces cerevisiae and lactobacillus plantarum, and drying. The goat fattening feed overcomes the defects in the prior art, effectively promotes the weight gain of goats, ensures the immunity of the goats, further improves the meat quality of the goats, and comprehensively improves the economic benefits of breeding by optimizing the formula of the goat fattening feed.

The present application relates to the technical field of feed additive, in particular to a feed fatty acid composition and its application in broiler production. The feed fatty acid composition comprises short-chain fatty acids and / or derivatives thereof, medium-chain fatty acids and / or derivatives thereof, and long-chain fatty acids and / or derivatives thereof; wherein the derivatives are one or more selected from salt, ester and amide; and the mass ratio of the short-chain fatty acids, the medium-chain fatty acids and the long-chain fatty acids is (7-12):(3-8):(80-90) based on the mass of the fatty acids. The feed fatty acid composition realizes the balance of short-chain, medium-chain and long-chain fatty acids, the balance of saturated and unsaturated fatty acids, and the balance of omega-3 and omega-6 fatty acids according to the characteristics of broilers, can significantly reduce the feed-meat ratio, promote the weight gain of broilers, improve the meat quality, and improve the lipid metabolism, and has a good application prospect in the field of feed additive and feed development for broilers.

This invention discloses a compound probiotic solid beverage formula that assists in weight control and oil adsorption. The invention designs a beverage formula suitable for human consumption. The compound Chinese herbal medicines and fruit and vegetable powders work together to adsorb oil in the stomach and intestines through physical encapsulation. Hydrolyzed white kidney bean protein blocks starch absorption, and probiotics promote intestinal absorption. Together, they can improve the body's metabolic function and solve health problems such as weight gain caused by greasy diet.

The invention belongs to the technical field of breeding, and particularly relates to a compound feed added with fresh pennisetum sinese and used for pigs and a preparation method and application of the compound feed. The feed consists of 40-50 parts by weight of fresh pennisetum sinese and 50-60 parts by weight of basic feed for pigs. Harvesting the fresh pennisetum sinese when the plant height is 1.5 m, and chopping to be less than 1cm; the basic feed comprises corn, soybean meal, premix and other raw materials, and the premix provides various vitamins and minerals. During preparation, the fresh pennisetum sinese and the basic feed are uniformly mixed according to the proportion. The feed is applied to pig breeding, and tests show that in the feeding period of 90 days, the added fresh pennisetum sinese can partially replace a basic feed and reduce the feed intake of the basic feed, the daily average weight gain of pigs is similar to that of a group without the fresh pennisetum sinese, the feed has no significant adverse effect on the growth performance, and the feed has the advantages of saving the feed cost and improving the resource utilization rate.

This invention provides a method and system for dynamically predicting the amino acid requirements of laying hens during peak egg production, relating to the field of bioinformatics analysis technology. The method obtains the target laying hen's metabolic body weight, daily weight gain, daily egg production, and the dynamic utilization rate of target amino acids. The metabolic body weight, daily weight gain, and daily egg production are input into maintenance, weight gain, and egg production sub-models respectively, and the net requirements of these three parameters are summed to obtain the net amino acid requirement. This is then divided by the dynamic utilization rate to obtain the total dietary amino acid requirement, generating a feed addition instruction. This invention uses factorial analysis to analyze maintenance, weight gain, and egg production requirements, combined with dynamic utilization rate correction, to achieve real-time dynamic prediction of the amino acid requirements of laying hens. This effectively avoids excessive or insufficient amino acid supply without reducing egg production performance, thereby reducing feed costs and nitrogen emissions.

The invention discloses an amaranthus hypochondriacus silage total mixed ration formula and a feeding method, and relates to the technical field of silage. Comprising the following raw materials: modified amaranthus hypochondriacus silage stalks, amaranthus hypochondriacus silage leaves, corn silage, alfalfa hay, corn, modified cottonseed meal, soybean meal, wheat bran, a buffering agent, a functional agent, modified attapulgite, a cattle fattening premix, stone powder and table salt. According to the beef cattle feed disclosed by the invention, the added modified grain amaranth silage stalks can reduce the digestion barrier of beef cattle to coarse feed, guarantee the utilization efficiency of daily ration fibers, and avoid the influence on the feed intake and the weight gain effect of the beef cattle due to too high proportion of low-digestion fibers; the added modified cottonseed meal provides crude protein with high utilization rate for beef cattle, and ensures the protein deposition and growth performance of the beef cattle in the fattening period; the added functional agent can inhibit the reproduction of harmful flora, improve the digestion and utilization rate of the whole feed, and guarantee the stability and high efficiency of rumen fermentation.

The invention provides a recombinant human lactoferrin milk tablet with weight losing and blood sugar reducing functions and a preparation method thereof, and belongs to the technical field of dairy product processing. The recombinant human lactoferrin milk tablet disclosed by the invention is prepared from the following components in parts by mass: 95 to 105 parts of recombinant human lactoferrin, 3 to 4 parts of zinc gluconate, 1 to 1.5 parts of vitamin E, 0.03 to 0.04 part of folic acid and 1300 to 1400 parts of milk powder. Experiments prove that the recombinant human lactoferrin milk tablet prepared by the invention can slow down the weight gain of mice and relieve the impaired glucose metabolism capability caused by high fat diet, and meanwhile, the recombinant human lactoferrin can regulate the lipid degeneration of the liver to a certain extent, relieve the lipid deposition of the liver and inhibit fat cell hypertrophy. The recombinant human lactoferrin milk tablet has the weight-losing and blood-glucose-reducing effects for the first time, and has a wide application prospect in the field of weight losing and blood glucose reducing in the future.

The invention provides an antibiotic substitute preparation based on plant essential oil and a preparation method and application thereof, and belongs to the field of animal feed additives. The preparation comprises the following components in parts by mass: 2-4 parts of fructus evodiae essential oil, 0.5-2 parts of citronella essential oil, 1-2 parts of pepper essential oil, 5-8 parts of clostridium butyricum powder, 3-5 parts of xylooligosaccharide, 8-12 parts of beta-cyclodextrin, 2-3 parts of chitosan, 1-2 parts of poloxamer and 45-55 parts of a 1wt% acetic acid aqueous solution. The preparation has excellent stability and probiotic compatibility, and the antibacterial spectrum is wider than that of existing essential oil. When the preparation is used as an animal feed additive, the daily gain of animals can be remarkably increased, and the diarrhea rate can be remarkably reduced, so that the preparation can be used as a substitute of antibiotics.

The invention relates to the technical field of artificial breeding of wild animals, and particularly discloses an artificial breeding method of crested ibis. According to the method, the pairing behavior of the captive crested ibis is observed, the successfully paired individuals are separately bred, parent birds are prevented from pecking eggs by optimizing the egg taking opportunity, and the hatching success rate is increased to 90% or above through hatching period fine management based on dynamic monitoring of the water loss rate. Meanwhile, the invention designs a set of special feed formula for nestlings of different day ages, a preparation method of the special feed formula and a staged brooding environment control and feeding management scheme, and the problems of poor digestion and absorption, vitamin deficiency, development malformation and the like of the nestlings are effectively solved by controlling the granularity, temperature, consistency and daily weight gain proportion of the feed; and the brooding success rate is increased to 95% or above. The method systematically solves the key technical problem in captive breeding of the crested ibis, and is of great significance to population rejuvenation of the rare species of the crested ibis.