22 results about "Nutrient digestibility" patented technology

The invention discloses a preparation method and application of an areca total alkali extract. The areca total alkali is calculated by arecoline, arecoline, demethylated arecoline and demethylated arecoline. The preparation method comprises the following steps: carrying out water extraction on areca catechu, purifying an extracting solution through cationic resin, concentrating an eluent, regulating acid, carrying out suction filtration, and drying to obtain the areca catechu total alkali extract. According to the preparation method, high-purity alkaloid can be obtained from areca nuts, the process is simple, convenient and stable, the cost is low, the preparation method can be widely applied to industrial production, and the preparation method has the effects of improving rumen fermentation characteristics, protecting rumen health, improving nutrient digestibility, promoting animal growth and improving animal production performance when applied to economic animals.

The invention relates to the technical field of biology, in particular to a method for rapidly degrading apple pomace fibers to improve nutrient digestibility and a fermented feed. The method comprises the following steps: uniformly mixing apple pomace with wheat bran and urea to obtain a fermentation material; adjusting the water content of the fermented material to 65-70%, inoculating 5-12% of lactobacillus plantarum, 1-10% of saccharomyces cerevisiae and 1-5% of bacillus subtilis, adding 1-1.5% of cellulase, 0.5-1% of pectinase, 0.5-1% of xylanase and 0.1-0.5% of beta-glucanase, and carrying out solid-state fermentation at 30-35 DEG C for more than or equal to 48 hours. According to the method disclosed by the invention, the content of crude protein is remarkably increased, and the fiber degradation rate and the nutrient digestibility are also remarkably improved. According to the method, the apple pomace can be converted into the high-digestibility feed, and an important foundation is laid for applying the apple pomace as a feed grain substitute raw material to the feed in a large scale.

The invention belongs to the technical field of plant essential oil emulsification, and particularly relates to an acidified nano sweet orange essential oil growth promoting emulsion as well as a preparation method and application thereof. The growth promoting emulsion is composed of a composite acid preparation and a dispersion phase according to a mass ratio of (24-44): 3. The composite acid preparation is composed of sodium diacetate, calcium propionate and water according to the mass ratio of (1-2): (1-5): (4-16). The dispersion phase is composed of a compound emulsifier and sweet orange essential oil according to a mass ratio of (1-2): 1. The preparation method comprises the following steps: uniformly mixing the composite acid preparation and the dispersion phase according to a mass ratio, shearing to obtain a coarse emulsion, and homogenizing at high pressure to obtain the composite acid-based emulsion. According to the acidified nano sweet orange essential oil growth-promoting emulsion, the organic acid and the sweet orange essential oil are combined for use, the compound emulsifier is rapidly emulsified, and the acidified nano sweet orange essential oil growth-promoting emulsion has good stability and can be used for increasing the body weight of broilers, improving the nutrient digestibility, reducing the content of inflammatory factors in serum and promoting intestinal health when being used in broiler breeding.

The present application belongs to the technical field of animal digestive tract health and function regulation, and particularly relates to a synthetic microbial community SynComs-R for ruminants and application thereof. The community is composed of Bacillus licheniformis MY176, Bacillus subtilis YCNL1, Lactobacillus rhamnosus MRY6 and Enterococcus faecalis G1. The four strains are functionally complementary and metabolically synergistic, forming an integrated microbial function chain. The present application can realize bidirectional "correction and optimization" regulation across species and physiological states, and has the dual-site precise regulation effect of reducing redundancy in the rumen and promoting digestion, and increasing diversity in the intestinal tract and strengthening immunity. The present application can significantly improve the production performance and nutrient digestibility of ruminants, enriches butyric acid-producing beneficial bacteria and inhibits pathogenic bacteria, and has a significant anti-inflammatory effect through metabolic-immune synergy. The present application can be prepared into a microbial agent or a feed additive and applied to ruminant health breeding.

The present application relates to the technical field of feed, especially to a growth-promoting feed for fattening pigs and a preparation method thereof, which comprises the following raw materials in parts by weight: corn, wheat bran, soybean meal, rapeseed meal, fish meal, modified hydrotalcite, compound enzyme preparation, probiotic preparation, calcium hydrogen phosphate, stone powder, salt, zinc oxide, copper sulfate pentahydrate, soybean oil, choline chloride, mildew inhibitor and antioxidant. The modified hydrotalcite, compound enzyme preparation and probiotic preparation are used in combination, which can significantly improve the growth performance of fattening pigs, reduce the diarrhea rate, improve the nutrient digestibility and improve the serum metabolic indicators.

The invention discloses a feed additive for relieving diarrhea of weaned piglets and improving intestinal health and application of the feed additive. According to the invention, it is found for the first time that the growth performance of the weaned piglets can be improved and the diarrhea rate can be reduced by adding wormwood polysaccharides with different concentrations into daily ration of the weaned piglets; the apparent nutrient digestibility is improved, and the utilization rate of the piglets on nutrient substances such as protein, fat and mineral substances in the feed is promoted; the antioxidant capacity of serum is improved; the microbial flora structure is improved; the content of short-chain fatty acid is increased; the metabolic capability of intestinal microorganisms of piglets is improved. The application of the feed additive is expected to improve the efficiency and quality of piglet breeding, and the feed additive is more suitable for popularization and application in the breeding industry and has a wide application prospect. In addition, the invention provides a new solution thought and method for livestock production and animal growth.

The present invention relates to a feed additive comprising beta-1, 4-endo-xylanase and chitosan oligosaccharide present in an amount that provides a synergistic improvement in monogastric animal gut health or nutrient digestibility. Another aspect of the invention relates to the addition of a composition comprising beta-1, 4-endo-xylanase and chitosan oligosaccharide to an animal ration or water source to improve animal production performance.

The present invention relates to a feed additive comprising beta 1-4, endo-xylanase enzyme and chito-oligosaccarides present in an amount that provides a synergistic improvement to monogastric animal intestinal health or nutrient digestibility. Another aspect of the present invention relates to adding a composition containing beta 1-4, endo-xylanase enzyme and chito-oligosaccarides into an animal diet or water source in order to improve animal performance.

The invention relates to the technical field of feed additives, in particular to a sustained-release feed additive containing eucalyptus globulus essential oil for rumens of cattle and sheep. The CO2-triggered eucalyptus globulus essential oil sustained-release capsule comprises a CO2-triggered eucalyptus globulus essential oil microcapsule unit, a cobalt acetate sustained-release microsphere unit and a carrier unit. Wherein the microcapsule unit is of a three-layer core-shell structure and can respond to CO2 partial pressure in the rumen gas production peak period to achieve pulse type rapid release of eucalyptus globulus essential oil, and methanogens are accurately inhibited; the sustained-release microsphere unit adopts functionalized polysaccharide composite microspheres to load cobalt acetate, can stably release cobalt element in rumen, and slowly and continuously releases cobalt element in abomasum and intestinal tract after passing the rumen. The two parts are compounded in a physical mode and do not interfere with each other, and space-time precise delivery and function coordination at different parts of the digestive tract are achieved. The method can effectively improve the methane emission reduction efficiency, improve rumen fermentation and improve the nutrient digestibility of the feed.

The present application belongs to the technical field of animal feed, and specifically discloses a feed for promoting pig growth by using defatted Periplaneta americana to replace soybean meal and a preparation method thereof. The feed for promoting pig growth by using defatted Periplaneta americana to replace soybean meal can effectively improve the average daily weight gain of fattening pigs, reduce the serum malondialdehyde content and muscle acidity value, and thus improve the growth performance, health status and meat quality of the fattening pigs, compared with conventional corn-soybean meal feed. The present application determines the digestible energy, nutrient digestibility and standard ileal amino acid digestibility of defatted Periplaneta americana, and the effect and potential mechanism of defatted Periplaneta americana replacing soybean meal to promote pig growth and health. The present application not only can alleviate the problem of tight soybean meal resources and improve the utilization efficiency of feed protein, but also can promote the wide application of Periplaneta americana (insect protein) in livestock and poultry production, and has important economic value and application prospect.

The invention discloses a lactating cow feed prepared by combining plant extracts and probiotics and a preparation method of the lactating cow feed. The feed consists of the following components: whole-plant corn silage, alfalfa hay, oat hay, steam-flaked corn, corn flour, whole cottonseeds, beet pulp, soybean meal, rumen-protected soybean meal, puffed soybean meal, double-low rapeseed meal, a premix, fat powder, baking soda, a plant extract and probiotics. Plant active ingredients such as glycine betaine, astragalus polysaccharide and allicin are integrated and combined with bacillus subtilis, bacillus licheniformis and lactic acid bacteria to construct a multi-target regulation and control system, and glycine betaine can improve milk yield and milk quality and improve energy metabolism; allicin can reduce emission of ammonia nitrogen and methane; the digestibility of nutrient substances can be improved by the bacillus subtilis and the bacillus licheniformis; the lactic acid bacteria can optimize the microbial community structure. Through the synergistic effect of multiple components, the rumen microbial protein synthesis efficiency is improved, and a scientific basis is provided for improving nitrogen conversion of dairy cow feed.

This invention discloses a porcine lactobacillus mucosa HEB-FEC-LM-001 and its applications, belonging to the field of feed additive technology. The porcine lactobacillus mucosa HEB-FEC-LM-001 provided by this invention is a Gram-positive bacterium with a milky-white, raised colony appearance, clear edges, and a smooth surface. It was deposited at the China Center for Type Culture Collection on October 21, 2025, with accession number CCTCC NO:M 20252272. A synbiotic is prepared by combining porcine lactobacillus mucosa HEB-FEC-LM-001 with raffinose. When fed as a feed additive to weaned piglets, it can significantly improve the piglets' intestinal health, apparent nutrient digestibility, and immune function, significantly reduce the diarrhea rate, and improve the growth performance of weaned piglets. Therefore, it has broad application prospects as a feed additive for weaned piglets.

Provided herein are probiotic compositions and methods for treating animals or humans, or human or animal feed, or a surface in contact therewith comprising: feeding or providing a feed, supplement, additive, or food to animals or humans with a composition comprising one or more probiotic bacteria, supernatant, extract, broth, or fermentate thereof, selected from L28, L3AL3 A, L20-B, J7, J14, J27, J43, J16, J34, J25, L5-A and J19 provided in an amount sufficient to be at least one of: bactericidal against bacteria selected from at least one of: spore-forming bacteria, gram positive bacteria, gram negative bacteria, or combinations thereof, in animal or human intestines, improve gut structure, reduce gut inflammation, improved nutrient digestibility, improve mineral absorption and growth performance, reduce carriage, reduce fecal shedding, or reduce gut infection and inflammation.

This invention discloses a bacterial residue compound fermentation agent and its preparation method, belonging to the field of biotechnology. The fermentation agent is composed of *Bacillus subtilis*, *Lactobacillus plantarum*, and *Candida utilis* in a specific live bacteria ratio, and is synergistically formulated with cellulase, xylanase, laccase, and peroxidase. The total bacterial dry matter accounts for 35%–45%, and the compound enzyme system accounts for 55%–65%. The preparation method includes: step S1, bacterial culture and powder preparation; step S2, bacterial powder mixing and compounding; step S3, enzyme powder preparation; and step S4, mixing and sieving. This invention achieves efficient degradation of lignocellulose, enrichment of crude protein, and efficient chemical degradation of aflatoxin B1, zearalenone, and vomitoxin through dynamic pH control and metabolic flux distribution. When used for corn cob treatment, this fermentation agent significantly improves the production performance, nutrient digestibility, and antioxidant and immune functions of beef cattle.

The present invention belongs to the technical field of pet food and particularly relates to a dog tear stain improving plant extract composition pet food and a preparation method thereof, and the dog tear stain improving plant extract composition pet food comprises the following components in parts by weight: 50-60 parts of duck meat, 10-20 parts of soybean enzymolysis protein, 5-10 parts of cassava starch, 3-5 parts of fish oil, 2-4 parts of snow pears, 0.4-0.8 part of vitamin C, 0.4-0.8 part of vitamin E and 1-2 parts of cellulose. The composition comprises the following components in parts by weight: 0.1-0.3 part of chicory root powder, 0.1-0.3 part of yucca extract, 0.4-1.2 parts of plant extract composition and 0.1-0.3 part of nanocrystalline curcumin. According to the air-dried pet food added with the specially-treated combination of the hypoallergenic meat source and the plant extract, the nutritional ingredients are locked to the maximum extent, the nutrient digestion and absorption rate is increased, and the tear stain phenomenon caused by dietary habits can be improved and eliminated only through daily feeding.

The present invention relates to a feed additive comprising beta 1-4, endo-xylanase enzyme and chito-oligosaccarides present in an amount that provides a synergistic improvement to monogastric animal intestinal health or nutrient digestibility. Another aspect of the present invention relates to adding a composition containing beta 1-4, endo-xylanase enzyme and chito-oligosaccarides into an animal diet or water source in order to improve animal performance.

The invention discloses ruminant feed based on aged corn and laminarin and application of the ruminant feed, and belongs to the technical field of animal feed. The aged corn is used for replacing common corn to serve as a main energy raw material, 0.5% of laminarin is added, and the problems of growth inhibition, oxidative stress, rumen microecological imbalance and the like caused by the aged corn are solved. Tests show that the feed can significantly improve the average daily gain, the nutrition digestibility and the antioxidant capacity of the Hu sheep, improve the meat quality and reduce the breeding cost, and a new way is provided for reasonable utilization of the aged corn.

The invention relates to the technical field of fermented feed, and particularly discloses amino acid liquid fermented feed as well as a preparation method and application thereof, and the technical key points are as follows: the amino acid liquid fermented feed is prepared by mixing and fermenting dried amino acid liquid and rice bran according to a ratio of 1: 1; the preparation method comprises the following steps: mixing the dried amino acid liquid and the rice bran according to a ratio of 1: 1, controlling the water content of the mixture to be 37.5%, controlling the inoculum size of microorganisms to be 12.2%, controlling the fermentation temperature to be 30 DEG C, and fermenting for 15 days to obtain the amino acid liquid fermented feed. The amino acid liquid fermented feed disclosed by the invention is applied to preparation of a feed for fattening cattle. The amino acid liquid fermented feed can replace soybean meal, has no influence on the growth performance, nutrient apparent digestibility, blood biochemical indexes and rumen flora diversity of the fattening cattle, and provides scientific reference for application of the amino acid liquid waste fermented feed in feeding of the fattening cattle.

The method to automatically formulate an animal feed additive composition, comprises the steps of: - selecting (105) a livestock category indicator, said livestock category indicator being associated with at least one targeted nutrient digestibility index, - defining (110) an animal feed composition representation, comprising at least one raw feed material indicator, - converting (115) the defined animal feed composition representation into an equivalent nutrient feed composition representation, comprising at least one nutrient indicator, - determining (120) a quantity of undigested nutrients, - calculating (125) an animal feed additive composition, and - providing (130), upon a computer interface, the animal feed additive composition calculated.

The invention discloses a bacterial strain composition capable of degrading lignocellulose and application of the bacterial strain composition, and belongs to the technical field of microorganisms. The invention aims to solve the technical problems of how to degrade lignocellulose in crop byproducts and how to prepare the feed capable of improving the production performance of poultry and livestock. The bacterial strain composition disclosed by the invention contains bacillus subtilis (bacillus subtilis) HJ-1 and enterococcus faecium (bacillus subtilis) NB-C. The bacterial strain composition disclosed by the invention is characterized in that the bacterial strain composition contains bacillus subtilis (bacillus subtilis) HJ-1 and enterococcus faecium (bacillus subtilis) NB-C; the crop by-product fermented feed prepared from the strain composition can improve the production performance of poultry or livestock, improve the egg quality of the poultry, improve the oxidation resistance of the poultry or livestock, improve the feed digestibility of the poultry or livestock, and improve the feed nutrient apparent digestibility of the poultry or livestock. The invention provides a technical guarantee for feed application of industrial and agricultural by-products and production of high-quality livestock and poultry products.

The invention discloses a method for determining the digestibility of mineral element nutrients in pig feed. The method comprises the following steps: selecting a test pig of which the ileum tail end and the cecum tail end are provided with T-shaped fistula, and preparing a feed containing an indicator; test periods including a pre-test period, an excrement collection period, a cecum chyme collection period and an ileum chyme collection period are set, and the test pigs are fed with the prepared feed; in the collection period, respectively collecting a feed sample, an excrement sample, a cecum chyme sample and an ileum chyme sample; measuring the content of mineral elements and the content of indicators in the feed sample, the excrement sample, the cecum chyme sample and the ileum chyme sample; and calculating the apparent digestibility of the mineral elements at different parts of the pig digestive tract according to a formula.