93 results about "Weaning" patented technology

The invention discloses a structural variation molecular marker located on a pig chromosome 7 and related to the lactation ability of a sow. The structural variation molecular marker is a DNA (deoxyribonucleic acid) fragment which is inserted between the 112024896 bp site and the 112024896 bp site on a chromosome 7 of an international pig reference genome 11.1 version, wherein the nucleotide sequence of the DNA fragment is shown as SEQ ID NO: 1; the genotype of the gene is T / T, T / INS and INS / INS. The structural variation molecular marker provided by the invention obviously influences the total weight gain character and the lactation ability character of the 7-day-old sow, and by breeding the pig with the structural variation molecular marker genotype of T / T, the lactation ability of the sow can be obviously improved, and the survival rate and the weaning weight of piglets are increased.

The invention relates to the technical field of pig feeds, and particularly discloses a special compound feed for weaning sows, the feed comprises a functional additive, the functional additive comprises the following raw materials in parts by weight: 1-3 parts of a plant extract compound, 2-5 parts of conjugated linoleic acid, 0.0003-0.0005 part of selenomethionine, 0.15-0.35 part of vitamin E, and 0.15-0.3 part of vitamin C; the plant extract compound is prepared from the following components: astragalus polysaccharide, icariin, epigallocatechin gallate and a carrier, and the mass ratio of the astragalus polysaccharide to the icariin to the epigallocatechin gallate is 1 to (1 to 4) to (0.2 to 0.8). The special compound feed for the weaned sows is used for feeding the weaned sows through a scientific and reasonable formula, can promote follicular development of the sows after weaning, improve the oestrus rate and reduce the proportion of non-oestrus sows, and can solve the problem of slow ovarian function recovery of the sows in summer high-temperature seasons.

The invention relates to the technical field of biological breeding, and discloses a composite microecological preparation for adjusting lamb intestinal flora and relieving weaning stress, the composite microecological preparation comprises, by weight, 10-40 parts of enterococcus faecalis powder, 10-40 parts of bacillus subtilis powder and 10-40 parts of saccharomycetes powder, the enterococcus faecalis powder is prepared through a gradient acid-resistant pre-domestication system, and the bacillus subtilis powder is prepared through a gradient acid-resistant pre-domestication system. The bacillus subtilis powder is prepared through an oxygen-controlled induced spore strengthening process, the saccharomycetes powder is prepared through a beta-glucan strengthening reactor, and the three kinds of bacterium powder are mixed under the sterile condition to obtain the bacillus subtilis powder, the saccharomycetes powder and the beta-glucan strengthening reactor. The tolerance, activity and stability of the strain are improved, the controllable and repeatable preparation process of the compound microecological preparation is ensured, and a reliable technical basis is provided for regulating intestinal flora of weaned lambs and relieving weaning stress.

The invention belongs to the technical field of feed additives and preparation thereof, and discloses a preparation method and application of a hemerocallis citrina baroni extract for promoting lactation of sows, and the preparation method comprises the following steps: S1, selecting a hemerocallis citrina baroni raw material; s2, mixing the day lily with ethanol or pure water with the volume fraction of 80-95% according to the material-liquid ratio of (1: 5)-(1: 10), and performing reflux extraction; s3, combining the extracting solutions, filtering to remove impurities, and concentrating into thick paste; and S4, carrying out spray drying or vacuum drying treatment on the concentrated solution, and crushing the dried material to obtain daylily extract powder. The extracts are obtained from different parts of the day lily through a water extraction or alcohol extraction process, are rich in flavonoid and hydroxy fatty acid active ingredients, can significantly improve the lactation performance of sows and the weight of weaned piglets, and realize feed additive and industrial popularization and application in the field of animal husbandry.

An Acidaminococcus fermentans strain and use thereof in improving rumen fermentation are provided, and relates to the technical field of microorganisms. An acid-producing strain of Acidaminococcus fermentans P47 is obtained by screening, which has desirable passage stability and safety. The strain can increase a ratio of butyric acid in the rumen of a ruminant, improve rumen fermentation parameters of a pre-weaning calf, promote rumen fermentation, improve a rumen environment, and increase an average daily gain (ADG) of the ruminant.

The multifunctional supplementary feeding fence for the lambs before weaning relates to the field of the lambs and comprises a supporting bottom plate, moving wheels are symmetrically connected to the bottom face of the supporting bottom plate in a butt joint mode, brake plates are arranged on the side edges of the moving wheels, a side channel is formed in one side edge of the supporting bottom plate, a temperature adjusting rotary knob is connected to the inner side edge of the side channel in an inserted mode, and the temperature adjusting rotary knob is connected to the other side edge of the supporting bottom plate in a butt joint mode. The top face of the supporting bottom plate is in butt joint with an isolation top plate in the vertical direction, the top face of the supporting bottom plate is in butt joint with a matched partition plate in the vertical direction, bottom screw holes are symmetrically formed in the bottom face of the supporting bottom plate, connecting screw rods are fixedly inserted into the top faces of the moving wheels, and inserting top grooves are symmetrically formed in the top face of the supporting bottom plate. A split splicing type structure is adopted, so that the lamb breeding device is small in size after being disassembled to be stored, carried and used, and meanwhile, a temperature-controllable and isolation protection type structure is combined, so that the lamb breeding device can feed and treat lambs more comprehensively.

Method of feeding young pigs involves feeding young pigs with complete mixed feed. Wherein, isoleucine levels in the composition of mixed feed are specifically regulated by introducing synthetic isoleucine. The ratio of standardized ideal digestible (SID) isoleucine to lysine in the diet is 0.55. The specified ratio is maintained in the diets of young pigs during the nursery after weaning, from 24 to 70 days of age.

The present invention discloses a method for establishing an artificial feeding model for rats, which belongs to the field of biomedical technology. Specifically: 1) select a number of newly born SD suckling mice and divide them into an artificial feeding group and a breast feeding group on average; 2) prepare artificial milk; artificially feed each SD suckling mouse in the artificial feeding group through a suckling mouse feeding device; 3) the SD suckling mice and the mother mice in the breast feeding group are placed in the same space without artificial intervention; 4) the artificial feeding group and the breast feeding group are continued until the weaning period, and the weight growth curve of the SD suckling mice is drawn. If there is no significant statistical difference between the weight growth curve of the artificial feeding group and the breast feeding group, and the mortality rate is less than 0.1%, the artificial feeding suckling mouse model is successfully established. This model provides a feasible animal model support for exploring the impact of environmental factors in early life on the health outcomes of individuals at different life development stages, and can deeply explore the potential mechanism of the impact of breastfeeding on individual growth and development compared with formula feeding.

The invention relates to the field of breeding feed, and provides a formula of fermented feed for feeding two-end black pigs, and the fermented feed comprises the following preparation materials: 150-220 parts of ice clara; 100 to 180 parts of dried ear grains; 0-30 parts of moso bamboo powder; 0 to 100 parts of straw powder; 200 to 300 parts of rice bran; 180 to 250 parts of corn flour; 90 to 180 parts of soybean meal; 10 to 5 parts of pine needle meal; and 5-10 parts of a fermentation strain. The fermented feed in the formula of the fermented feed for feeding the two-end black pigs is rich in probiotics and organic acid, the intestinal microecological balance can be improved, the weaning litter weight and the weaning weight gain of piglets can be remarkably improved through the EM bacteria fermented feed, meanwhile, the daily average feed intake of sows is remarkably improved, and the diarrhea rate of the piglets is remarkably reduced.

The invention discloses application of 2-hydroxy-4-methylpentanoic acid in preparation of a product for relieving weaning stress, and belongs to the technical field of feed development. The product is a product for improving slow growth caused by weaning stress, promoting weight gain of animals and improving animal intestinal injury caused by weaning stress. The 2-hydroxy-4-methylpentanoic acid directly intervenes in the fundamental pathological change of jejunum epithelium structure damage, an efficient and safe scheme for relieving weaning stress is provided for animal husbandry, and the 2-hydroxy-4-methylpentanoic acid can be applied to piglets and other animals prone to being affected by weaning stress on a large scale and has remarkable economic and social benefits.

The invention provides application of carvacrol in preparation of a feed additive and / or feed for repairing intestinal injury of piglets, and belongs to the technical field of animal feed. The invention discloses application of carvacrol in preparation of a feed additive and / or feed for repairing intestinal injury of piglets. Experiments show that weaning stress causes piglet growth performance reduction and intestinal barrier injury; the feed added with CAR can effectively repair intestinal injuries of piglets, maintain the integrity of intestinal barriers and regulate the intestinal microbial structure, and carvacrol also has the activity of resisting the characteristics of porcine epidemic diarrhea virus and porcine delta coronavirus. The invention provides a reasonable feeding strategy and theoretical support for piglet intestinal injury caused by weaning stress.

To provide new means useful for reducing symptoms liable to occur in calves during a lactation period, symptoms of calves caused by weaning stress, and adverse effects on health conditions of calves.SOLUTION: Provided are a supplement containing lysine for calves in the lactation period for improving symptoms or conditions of calves in the lactation period, a supplement containing bypassed lysine for calves in the weaning period for improving symptoms or conditions in association with the weaning period, and a supplement set for calves prepared by combining the above-mentioned supplements. According to the present invention, it is possible to improve or enhance the health conditions of calves from the lactation period to the weaning period.SELECTED DRAWING: Figure 2-3

The invention discloses zero-lactose formula goat milk powder for pets and a preparation method of the zero-lactose formula goat milk powder, and relates to the technical field of preparation of goat milk powder. Comprising the following raw materials: raw goat milk, lactase L3000, sodium citrate, low-sensitivity whey protein, medium-chain triglyceride, fructo-oligosaccharide, galactooligosaccharide, modified sodium caseinate, modified chicken flavor peptide, composite minerals, composite vitamins, trehalose, sodium ascorbate, microcrystalline cellulose and polyglycerol fatty acid ester. According to the invention, the modified chicken flavor peptide is added, the chitosan oligosaccharide and gamma-aminobutyric acid modified chicken flavor peptide in the modified chicken flavor peptide realize long-acting retention of natural chicken flavor by virtue of a double-layer coating structure, the flavor is prevented from being oxidized and losing aroma during processing and storage, and the ingestion willingness of pets is remarkably improved; the chitosan oligosaccharide can adjust the balance of intestinal flora of the pet, and the gamma-aminobutyric acid can relieve the stress reaction of the pet during ingestion, so that the feed additive is suitable for weaned or food-changing pets, and achieves triple effects of aroma enhancement, intestine protection and relieving.

The application discloses a weaning mask for livestock breeding and relates to the field of tools for livestock breeding.The weaning mask for livestock breeding comprises a mask body which is a half-circular conical cylinder cut from the middle, further comprises: a mounting cylinder fixedly connected to the mask body, the mounting cylinder being mounted at the small end of the mask body in the form of a half-circular conical cylinder and coaxially arranged with the mask body; and a liquid storage tank slidably connected in the mounting cylinder, the liquid storage tank containing water mixed with edible bittering agents.The weaning mask for livestock breeding is provided with water containing bittering agents and a sucking nipple, when the young livestock wants to suck milk, the sucking nipple is moved by being squeezed, and then the sucking nipple is close to the mouth of the young livestock, the young livestock will naturally suck the sucking nipple, at this time, the water containing bittering agents is sucked into the sucking nipple, and the young livestock will feel uncomfortable, and the young livestock will not like to suck milk for a long time, and the weaning of the young livestock is naturally completed, and the eating of the mother beast is not affected, and the weaning mask is convenient to use.

The invention discloses a method for evaluating the reproductive performance of sows. The reproductive performance is at least one of the number of healthy piglets, the number of weak piglets and the weaning litter weight. According to the specific method, genotypes based on an SNP site 1, an SNP site 3, an SNP site 4, an SNP site 7, an SNP site 10, an SNP site 11 and / or an SNP site 12 in a sow genome are detected, so that the reproductive performance of the sow is evaluated or assisted to be evaluated. The method has the advantages of being reliable in result, high in repeatability and high in accuracy, is suitable for stage-by-stage management of reproductive performance of sows in a pig farm and breeding of boars, and has important application prospects and popularization value in modern breeding.

The application discloses a functional feed additive composition for improving lactation performance of lactating sows and uniformity of piglets and application thereof, and belongs to the technical field of livestock feed additives. The additive is composed of a core functional component, a composite modified slow-release functional agent and a carrier auxiliary material according to percentage by weight. The application can improve the lactation yield of sows by more than 15% through synergistic effect of components, shorten the weaning estrus interval, reduce the standard deviation of piglet body weight by more than 20%, and greatly reduce the weak piglet rate and the diarrhea rate. The process is suitable for large-scale production, the economic benefit is remarkable, and the application is suitable for feeding of lactating sows in large-scale pig breeding.

This application relates to the field of feed, specifically to the application of UDCA in the preparation of formulations that reduce the incidence of intrauterine growth retardation (IUGR) in pregnant sows. According to the technical solution of this application, by adding 0.05% ursodeoxycholic acid to the diet of sows during late gestation (85 days) to the farrowing stage, using a restricted feeding method, at a rate of 2 kg / head / day, twice daily, the incidence of IUGR in sows can be effectively reduced by up to 76.17%, while also increasing the average weaning weight of piglets at 28 days by 9.61%.

The embodiment of the invention provides a plant additive of a piglet feed, the piglet feed, a piglet milk powder material and application. According to the plant additive for the piglet feed, antibacterial components of the plant additive are composed of eucommia ulmoides extract and orange peel extract, and the mass ratio of the eucommia ulmoides extract to the orange peel extract is (2.0-3.0): (1.0-1.5). By adopting the compatibility of the folium cortex eucommiae extract and the orange peel extract, the reproduction of coliform and salmonella as pathogenic bacteria in the intestinal tracts of the piglets can be effectively inhibited, and the plant additive has anti-inflammatory and antibacterial effects on the intestinal tracts of the piglets, so that the intestinal health of the piglets can be maintained, and the absorption of the piglets on nutrient substances of the feed after eating is ensured; the survival rate and the weaning weight of the piglets are favorably improved.

This invention discloses a hematopoietic nutritional steamed bun for piglets, comprising: 35-45 parts corn, 10-15 parts whey powder, 8-10 parts puffed soybeans, 8-10 parts fermented Chinese herbal medicines, 6-8 parts soybean meal, 4-6 parts fish meal, 2-5 parts milk powder, 0.3-0.6 parts compound vitamins, 0.1-0.3 parts compound microminerals, 0.1-0.3 parts zinc oxide, and 0.02-0.05 parts 5-hydroxytryptophan; the fermented Chinese herbal medicines include: 8-12 parts Codonopsis pilosula, 8-12 parts Astragalus membranaceus, 6-10 parts Aucklandia lappa, 8-12 parts Atractylodes macrocephala, 8-12 parts Poria cocos, 12-17 parts longan pulp, 12-17 parts Rehmannia glutinosa, 8-12 parts dried ginger, and 12-17 parts prepared licorice root; the fermented Chinese herbal medicines are obtained by fermentation after ultra-fine grinding of the herbal raw materials. This invention uses fermented Chinese herbal medicines and further optimizes the strains and fermentation process. By scientifically combining various functional nutrients, it systematically promotes hemoglobin synthesis, regulates the intestines, and enhances immune function in piglets, targeting the physiological characteristics of piglets during the peripartum and weaning transition periods, thereby achieving the comprehensive effect of promoting growth and reducing mortality.

The invention is applicable to the technical field of feeds, and provides a special nutrient enrichment premix for boars and a preparation method thereof. The compound feed additive is prepared by compounding beta-carotene, 25-hydroxyvitamin D3, dl-alpha-tocopheryl acetate, menadione sodium hydrogen sulfite, ammonium sulfate nitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, nicotinamide, D-calcium pantothenate, folic acid, D-biotin, L-ascorbic acid, DL-methionine, zinc methionine chelate, selenium yeast, chromium picolinate, L-carnitine and glucose according to a specific proportion. A dynamic batching and high-precision mixing process is adopted for preparation. Through the synergistic effect of various nutrients, the sow milk quality can be remarkably improved, the birth weight of piglets is increased by 50 g or above, the survival rate is increased by 6-8% or above, the weaning weight is increased by 500 g or above, meanwhile, the sow estrus rate is increased by 5% or above, the problems that sows are poor in body condition, low in reproductive performance, low in piglet survival rate and the like in existing boar breeding are effectively solved, and extremely high breeding application value is achieved.

The invention discloses a compound feed additive containing cationic antibacterial peptide and application of the compound feed additive, and belongs to the technical field of animal nutrition and feed additives. The compound feed additive consists of the following components in percentage by mass: 10-30% of cationic antibacterial peptide, 5-15% of a saccharomyces cerevisiae viable bacteria preparation, 20-40% of butyric acid and 25-50% of milk powder. Through the synergistic effect of the antibacterial peptide, the probiotics, the acidifying agent and the food calling component, weaning stress can be effectively relieved, the feed intake and daily gain of piglets are remarkably increased, the feed conversion ratio and diarrhea rate are reduced, and intestinal health is improved. The additive is safe, free of residues and convenient to use, and is an ideal choice for replacing an antibiotic growth promoter, so that the additive has better application prospect and value in the technical field of animal nutrition and feed additives.

The application provides a high water-retention insoluble fiber and a preparation method and application thereof. The high water-retention insoluble fiber used in the application is derived from wood and wood chip processing by-products, and is obtained through a technical process of removing bark and cambium, cutting, crushing, high-temperature vaporization, pickling and drying, has a water-retention of 634-789%, an insoluble fiber component content of 84.32-88.24%, and a soluble fiber component content of 1.23-1.62%, and can be added into the feed of pregnant sows as a functional fiber raw material, so as to improve the constipation and empty chewing ratio of the pregnant sows, increase the number of live piglets and weaning litter weight of the sows and the mating rate in the next reproduction cycle, reduce the empty chewing ratio in the late pregnancy (100-102d) of the sows and the elimination rate in the next reproduction cycle, and has a wide application prospect in the daily feed of the pregnant sows.

The invention provides a composition for reducing the diarrhea rate of calves before weaning by using cinnamon polyphenol and application of the composition, and belongs to the technical field of animal feed. The composition comprises a basic ration and cinnamon polyphenol. Cinnamon polyphenol is applied to feeding of the calves before weaning for the first time, the diarrhea frequency and the excrement score of the calves can be remarkably reduced by supplementing a specific dose of cinnamon polyphenol through daily ration, the intestinal mucosa barrier function is effectively improved, the antioxidant capacity and the immune function of the body are improved, the intestinal flora structure is optimized, and the relative abundance of beneficial bacteria is increased. The composition uses natural plant extracts, is safe and free of residues, provides a green and efficient feed solution for solving the problem of high diarrhea rate of the calves in the lactation period, and has a good application prospect.

The application provides a full-value pet can which can improve pet immunity, and the preparation raw materials include, by weight percentage, 70-85% of meat, 1-5% of supplementary additives, and the rest of water to reach 100%. The full-value pet can which can improve pet immunity prepared by the application can improve pet immunity, strengthen pet physical quality, and supplement various nutritional components for pets, so that pets, especially pets recovering from serious illness, weaned pets and the like can grow healthily and safely.

The invention discloses a rabbit source fermentation lactobacillus mucus RLF77 and an application of the rabbit source fermentation lactobacillus mucus RLF77. The strain is separated from intestinal tracts of weaned young rabbits and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20252224. The bacterial strain has the excellent characteristics of being used as a probiotic, being resistant to gastrointestinal tract environment and high in intestinal epithelial cell adhesion rate, and being capable of effectively inhibiting various pathogenic bacteria such as escherichia coli, salmonella and the like. Animal experiments show that the production performance of weaned young rabbits can be remarkably improved, the diarrhea rate can be reduced, the survival rate and the oxidation resistance can be improved by feeding the rabbit-derived RLF77 strain, and the effect is superior to that of non-rabbit-derived probiotics. The invention provides a new strain resource for developing green breeding products for replacing antibiotics.

The invention relates to the technical field of PCV2 purification. The invention provides a PCV2 purification method. The PCV2 purification method comprises the following steps: (1) detecting PCV2 in piglets, sows, boars and the environment before weaning; (2) respectively treating piglets, sows and boars before weaning according to detection results; and (3) disinfecting the environment according to a detection result. The PCV2 purification method described in the invention comprises the following steps: immunizing piglets, replacement pigs, boars and sows in a delivery room, partially removing the piglets, the replacement pigs, the boars and the sows, and disinfecting the environment, so as to finally complete the purification of the PCV2 in the delivery room in the intensive production process.

The invention relates to the technical field of feed preparation, and particularly discloses a biological feed for relieving stress of piglets after weaning and a preparation method thereof.The biological feed comprises, by weight, a basic material and an active material, the active material comprises 4-6 parts of composite mineral particles and 8-12 parts of enteric flavone particles, the composite mineral particles take bentonite as a framework, sodium bicarbonate and an inorganic ion carrier are doped into the inner layer, and an enteric coating is arranged on the outer layer; the enteric flavone particles comprise flavonoid compounds, and enteric coatings are arranged on the outer layers of the enteric flavone particles. The improved composite mineral particles and enteric flavone particles are introduced, buffer salt in the inner layers of the composite mineral particles can locally adjust pH and osmotic pressure in small intestines, the intestinal epithelium electrolyte environment can be stabilized, intestinal acidification caused by weaning stress is relieved, the intestinal flora steady state recovery speed can be remarkably increased, and the diarrhea rate can be remarkably reduced.

The application belongs to the technical field of composite materials, and particularly discloses a preparation method and application of a stress-resistant and immunity-enhancing preparation for piglets, which is prepared by using sodium iron chlorophyll and sodium selenium-rich acid as core blood supplement elements, collocating an astragalus polysaccharide and a cordyceps polysaccharide compound polysaccharide system, combining functional oligosaccharides, antibacterial peptides and probiotics to construct an intestinal microecological regulation module, and supplementing with composite amino acids and vitamins to form a nutritional synergistic system, and is prepared through gradient sugar molecule inclusion, low-temperature microcapsule embedding and other innovative processes, so that the physical energy, qi and blood are supplemented simultaneously. The preparation can effectively reduce the incidence of hypoglycemia in newborn piglets, improve the disease resistance and immunity of the piglets, relieve weaning stress, improve the weaning survival rate and weaning weight, and simultaneously improve the nutritional supply of perinatal sows, reduce postpartum fatigue of the sows, improve milk quality and indirectly help the growth of the piglets.

The invention discloses a compound probiotic preparation for relieving heat stress of sows and application of the compound probiotic preparation, and belongs to the technical field of animal feed. The compound probiotic preparation comprises clostridium butyricum, bacillus subtilis, bacillus licheniformis and enterococcus faecalis, wherein the final concentration of the clostridium butyricum in the feed is 1 * 10 < 6 > CFU / g, and the final concentration of the bacillus subtilis, the final concentration of the bacillus licheniformis and the final concentration of the enterococcus faecalis in the feed is 5 * 10 < 6 > CFU / g. The preparation provided by the invention can effectively reduce the stress hormone level and oxidative damage index in the blood of the sow under the heat stress condition, improve the activity of antioxidant enzyme, improve the feed intake and lactation performance in the lactation period, and reduce the backfat loss. Meanwhile, through the vertical transfer effect of the sows and the piglets, the intestinal morphology of the offspring piglets is remarkably improved, the intestinal barrier function and the antioxidant capacity are enhanced, and the weaning weight and the average daily gain of the piglets are improved, so that the negative effects of heat stress on the reproductive performance of the sows and the growth of the piglets are comprehensively relieved. The preparation is green and safe, and has important application value.