41 results about "Lactating sow" patented technology

The invention relates to the technical field of information, and discloses a method for predicting the optimal branched chain amino acid ratio of daily ration of lactating sows, which comprises the following steps of: 1, acquiring production data and feed formula data; 2, processing the production data and the feed formula data to obtain production sample data and formula sample data; 3, performing correlation calculation on the production sample data and the formula sample data to obtain most effective features and calculate feature vectors; 4, training a preset model according to the feature vector and the formula sample data; 5, verifying the preset model, and selecting an optimal prediction model according to an evaluation result; and 6, outputting an isoleucine content prediction value, a leucine content prediction value and a valine content prediction value by the optimal prediction model. The prediction method can accurately and reliably predict the branched chain amino acid proportion of daily ration with different protein levels. Meanwhile, the invention further provides a prediction device for the optimal branched chain amino acid proportion of the daily ration of the lactating sow.

The invention relates to the technical field of feed processing, and discloses a lactating sow feed containing fermentation raw materials and a preparation method of the lactating sow feed. A three-layer microcapsule coating auxiliary material is prepared by taking a vitamin premix, an amino acid compound, a compound enzyme preparation and a probiotic agent as core materials through three-layer coating; the basic raw materials comprise corn, wheat, bran, a fermentation raw material, a mineral premix and grease, auxiliary material coating and basic raw material treatment are carried out in parallel in double lines during preparation, and finally, mixing granulation is carried out; the grafted copolymer formed by the amidation reaction of the sodium carboxymethyl cellulose and the chitosan oligosaccharide can cooperate with the sodium alginate to prevent the damage under acidic conditions, and the survival rate of viable bacteria is kept at 85-87% after treatment is carried out for 2 hours under the acidic condition with the pH value of 2.0-3.0; compared with a traditional fermentation raw material coating scheme, the dosage of coating raw materials is reduced by 70% or above; meanwhile, the vitamin premix and the amino acid compound in the auxiliary material can reduce the diarrhea rate by 6% and increase the lactation yield of the sow by 7-18%.

The invention discloses a lactating sow feed and a preparation method thereof, and belongs to the field of feeds. The lactating sow feed comprises the following components in parts by weight: 70-80 parts of corn; 20-27 parts of soybean meal; 25 to 33 parts of puffed soybean powder; 1-4 parts of fish meal; 3-6 parts of a premix; 1.5 to 2.2 parts of loaded butyrin; the loaded tributyrin takes pine needle meal as a carrier, and the tributyrin is loaded on the pine needle meal through chitosan and a cross-linking agent. The lactating sow feed has the effects of promoting lactation of lactating sows and improving the health condition of the lactating sows.

The invention discloses a model and a method for evaluating the demand amount of standard ileum digestible lysine suitable for lactating sows under a low-protein daily ration level. The evaluation model comprises a broken line linear model and a broken line quadratic model; the broken line linear model is xlt; when R is, y = L + U * (R-x); when x is greater than or equal to R, y is equal to L + U * 0, and the quadratic model of the broken line is xlt; when R is, y = L + U * (R-x) 2; when x > = R, y = L + U * 0; wherein y is a sensitive effect index, and x is a standard ileum digestible lysine level; r is a suitable standard ileum digestible lysine level; l is an intercept; u is a slope; % is the mass percentage content.

The present invention relates to a precise lactation feed for lactating sows, and 100 kg of the feed product comprises the following raw materials by weight: 20 to 28 kg of soybean meal, 2 to 5 kg of fish meal, 2 to 5 kg of MCT microcapsules, 0.2 to 0.4 kg of rumen protected methionine, 0.1 to 0.2 kg of rumen protected tryptophan, 1.5 to 2.5 kg of inulin, 1 to 2 kg of sodium lignin sulfonate, 0.01 to 0.03 kg of a fenugreek seed extract, 1.2 to 1.8 kg of sn-2 palmitate, 0.4 to 0.6 kg of alpha-ketoglutaric acid, 0.08 to 0.12 kg of glycine iron, and the balance of water. The feed is prepared from the following raw materials by weight: 0.15-0.25 kg of zinc methionine, 4-8 kg of wheat bran, 1.2-1.8 kg of a calcium propionate solution, 2-3 kg of lactic acid bacteria fermentation liquor, 0.2-0.4 kg of a rosemary extract and the balance of corn, wherein the total weight of the raw materials is 100 kg. The feed is a precise nutrition regulation feed formula for the sows in the lactation period, and milk yield increase, piglet weaning performance optimization and sow body condition protection are achieved through multi-dimensional nutrition intervention.

The invention relates to a composite acidifying agent for improving feed intake of lactating sows and a preparation method thereof, and belongs to the technical field of feed additives. The composite acidifier comprises a wall material and a core material, wherein the wall material comprises cystine-gamma-polyglutamic acid and arginine-chitosan; the core material comprises organic acid, organic acid salt and fermentation liquor. According to the compound acidifying agent disclosed by the invention, the cystine cross-linked gamma-polyglutamic acid and the arginine grafted chitosan are used as wall materials, and the microcapsule with an intestinal targeted release function is formed by wrapping the organic acid, so that the utilization efficiency of the acidifying agent and the feed intake of lactating sows can be effectively improved.

The invention relates to the technical field of information, and discloses a method for predicting the optimal ratio of arginine to lysine in daily ration of lactating sows, and the method comprises the following steps: 1, obtaining historical production data and feed formula data; 2, performing data preprocessing on the historical production data and the feed formula data to obtain historical feature vectors and formula sample data; 3, selecting a preset model with the best performance as a prediction model according to the performance indexes; 4, inputting the to-be-detected feature vector and the crude protein content into the prediction model, and outputting a proportion prediction value of arginine and lysine by the prediction model; 5, performing a field dose response test and acquiring field data; and step 6, inputting the field data into the prediction model, detecting whether data drift occurs in the field data, performing incremental learning when no significant drift occurs in the field data, and performing full-amount learning when significant drift occurs in the field data. The invention further discloses a device for predicting the optimal arginine and lysine ratio of the daily ration of the lactating sows.

The present application relates to the technical field of feed additive, and discloses a lactation-promoting functional feed for lactating sows containing high-efficiency plant lactogenic factors, which is made of the following raw materials: sodium-based montmorillonite, fenugreek extract, motherwort extract, ion intensity regulator, lysophosphatidylcholine, tributyl citrate and high-purity silicon dioxide, and is prepared through the following steps: mixing and drying sodium-based montmorillonite with the ion intensity regulator to prepare a regulation carrier; adding fenugreek and motherwort extract and mixing them by strong shearing to form an active core; atomizing and spraying a mixture of lysophosphatidylcholine and tributyl citrate on the surface of the core to form a functional layer; and finally adding high-purity silicon dioxide and mixing uniformly to obtain the feed. Through the construction of the structure with ion-pretreated montmorillonite as the core and the functional layer as the shell, the present application realizes the protection, sustained release and efficient absorption of the active ingredients, and improves the bioavailability.

The invention provides a method for rapidly, effectively and quantitatively evaluating carbon emission of genetic engineering pigs, and belongs to the technical field of genetic engineering animals. Genetically engineered pigs are divided into different groups of breeding boars, non-pregnant sows, pregnant sows, lactating sows, lactating piglets, nursing piglets, growing pigs, growing pigs and fattening pigs, and intestinal methane emission factors and excrement methane emission flux of the pigs in different growth periods are respectively measured according to the characteristics of the pigs in different growth periods. And calculating the total emission amount of the intestinal methane and the total emission amount of the excrement methane by using the intestinal methane emission factor and the excrement methane emission flux.

The invention provides a breeding-promoting lactating sow compound feed as well as a preparation method and application thereof. The breeding-promoting lactating sow compound feed comprises the following components in parts by weight: 70-110 parts of a base material, 1-2 parts of calcium salt, 1-3 parts of a functional additive and 1-2 parts of a premix, the functional additive is prepared from the following components in parts by weight: 20 to 40 parts of plant extract, 0.2 to 2 parts of verbascoside, 0.1 to 1 part of geniposide and 0.5 to 2 parts of L-theanine. The compound feed provided by the invention can improve the feed intake of the lactating sows, maintain proper backfat thickness, reduce the weaning loss of the sows and improve the weaning oestrus rate of the sows; excessive free radicals generated by the body can be removed, the balance of a redox system in the body is maintained, oxidative stress is prevented from being generated, the reproductive system of the lactating sow is prevented from being damaged, and the reproductive performance of the sow is improved; and inflammatory factors in the sows can be removed, inflammatory reaction of the sows is avoided, and the reproductive capacity of the lactating sows is improved.

The application discloses a kind of intelligent feeding self-checking system and method of lactating sow, and the system includes background controller and several intelligent feeding terminals;The intelligent feeding terminal includes feeding execution device and feeding controller;The feeding controller is electrically connected with feeding execution device, and the feeding controller is used to receive the work signal of each execution module of feeding execution device;The background controller includes central controller and handheld controller;The central controller is electrically connected with feeding controller, and the central controller is used to show the fault self-checking result and feeding self-checking result of the feeding execution device of all intelligent feeding terminals;The handheld controller is connected with the feeding controller by wireless connection network, and the handheld controller is used to query and display the fault self-checking result and feeding self-checking result of the feeding execution device of single intelligent feeding terminal.The self-checking system and method can realize key position fault self-checking, reduce maintenance personnel access, and improve maintenance efficiency.

The present invention relates to the technical field of feed processing, in particular to a complete feed processing device for immunonutrition lactating sows, which comprises a mixing box and a batching structure, wherein the batching structure can introduce a variety of feeds into the mixing box in proportion, and the mixing box is used to continuously mix the feeds; the mixing box is composed of a storage trough plate and a sealing plate, the storage trough plate and the sealing plate are both annular in shape, and the notch of the storage trough plate faces the axial direction of the storage trough plate, the notch of the storage trough plate is annular in shape, and the sealing plate is sealed on the notch of the storage trough plate; by adopting a continuous mixing method to process raw materials, a continuous feeding and discharging working mode of raw materials can be realized, thereby improving the continuity of raw material processing, avoiding equipment shutdown due to feeding and discharging needs, thereby avoiding time waste and improving work efficiency.

The invention belongs to the technical field of livestock breeding, and discloses a preparation method and application of a bacterium-enzyme synergistic fermentation material for improving the reproductive performance of first-born sows and the growth performance of piglets. The invention discloses a fermentation material which is prepared from the following raw materials: dried alfalfa, palm meal, sugar, compound enzyme and compound bacteria, the compound enzyme is composed of cellulase, mannase and xylanase, the invention provides a fermented material, the fermented material is added to a basic feed for feeding first-fetus lactating sows, and the result shows that the daily average feed intake of the lactating sows can be remarkably improved, the backfat loss of the lactating sows is reduced, and the reproductive performance and milk components of the sows are improved; the antioxidant capacity and the immunocompetence of the piglets can be improved, and the inflammation level of piglet bodies can be reduced.

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.

The invention provides an antibiotic-free fermented feed for sows and a preparation method thereof, and relates to the technical field of feeds for sows, the antibiotic-free fermented feed for sows and the preparation method thereof comprise 30-35% of corn, 26-28% of wheat, 10-15% of bran and 12-15% of soybean meal. The feed is prepared from the following raw materials in percentage by weight: 0.5-1% of calcium phosphate, 0.5-1% of calcium hydrophosphate, 0.2-0.5% of sodium chloride, 1-2% of soybean oil, 0.2-0.5% of lysine, 0.1-0.3% of threonine, 1-2% of premix and 0.6-1.2% of compound Chinese herbal medicine through a fermentation process. The fermented feed is free of antibiotics, avoids the situation that the balance of animal intestinal microorganisms is damaged by abuse of antibiotics, is good in palatability and high in nutrient substance utilization rate, can improve the intestinal microflora, can increase the feed intake of lactating sows and piglets, reduces the number of escherichia coli in fecal microorganisms, increases the number of probiotics, and further has the effects of improving the yield of the lactating sows and the piglets. And the added composite Chinese herbal medicine agent can enhance the immunity of the sows and improve the defense resistance of the body when the sows eat the feed, which means that the sows have better disease resistance.

The application discloses a porous aerogel-based intestinal sustained-release sodium butyrate preparation and a preparation process thereof, and belongs to the field of feed additives. The preparation process comprises the following steps: preparing a sodium butyrate solution and an alginate sodium and sodium lignosulfonate encapsulating solution containing allicin and / or gingerol by using water as a solvent; spraying and adsorbing the sodium butyrate solution on porous nanometer silicon dioxide aerogel to obtain a loaded semi-finished product; and then spraying and adsorbing the encapsulating solution on the surface of the loaded semi-finished product, drying and sieving to obtain the preparation. In the preparation, the content of the aerogel is 30%-60%, the content of the sodium butyrate is 40%-65%, the content of the alginate sodium and the sodium lignosulfonate is 5%-10%, and the content of the allicin and / or the gingerol is 0.4%-1.0%. The preparation has the characteristics of high gastric passage rate, excellent intestinal sustained-release performance, high-temperature granulation resistance and the like, effectively improves the bioavailability of the sodium butyrate, and can be widely applied to the feed additives for sows in the late gestation period and the lactation period.

This invention relates to the field of sows, and more particularly to an intelligent feeder for lactating sows. The feeder includes a support frame, a platform (3) arranged above the support frame, an auger motor (1) arranged on the platform (3), the auger motor (1) being able to drive the auger (4) to work; a funnel (2) arranged on the auger (4), the outlet at the end of the auger (4) being a pipe opening (5), the pipe opening (5) being arranged downwards; a hole arranged on the platform (3) for accommodating the pipe opening (5); the support frame includes casters (7) below; a downward-facing support arm (13) is also arranged on the platform (3), the end of the support arm (13) being provided with a caster (7); the caster (7) is able to travel along the groove (9) on the track wall (5) of the feeding area; the auger motor (1) includes a switch.

The invention discloses a lactating sow and piglet growth environment coupling linkage control system and method. The system comprises a cloud service platform, a heat preservation lamp controller, a heat preservation lamp, an environment controller, a sensor module, a fan and a wet curtain. The heat preservation lamp controller and the environment controller are connected with the cloud service platform through a wireless network. The environment controller obtains real-time environment parameters detected by the sensor module, and then controls the fan and the wet curtain to work according to the environment parameters and the set pig house temperature; the heat preservation lamp controller obtains the real-time ventilation quantity of the draught fan from the cloud service platform, calculates the average wind speed of the pig house and the real-time sensible temperature of the piglets in the current environment, and then controls the heating power of the heat preservation lamp according to the comfortable sensible temperature interval of the suckling piglets at the current day age. The temperature of the growing environment of the suckling piglets can be met, meanwhile, the temperature of the large environment of the pig house for sow growth can be met, coupling linkage control over the large environment of the pig house and the growing environment of the suckling piglets is achieved, and meanwhile growth of the sows and the piglets is promoted.

The utility model relates to the technical field of animal houses, in particular to a breeding fence for sows in a lactation period, which supports an equipment main body through a supporting device, facilitates cleaning of pig manure, adjusts the temperature of a local area in the supporting device through a temperature control device, and facilitates feeding of the sows by an operator through a feeding device. The condition that food is arched out to the body of a feeding person due to the fact that sows arch food in the feeding process is reduced, and the practicability of the device is improved; comprising a supporting device, a temperature control device and a feeding device, the temperature control device is installed on the supporting device, and the feeding device is installed on the supporting device.

This invention relates to the application of molecular markers related to the growth performance of finishing pigs, the reproductive performance of lactating sows, and the flavor of pork. The molecular markers are related to the L-valine content in the longissimus dorsi muscle of pigs. This invention discloses a method for identifying the growth performance of finishing pigs, the reproductive performance of lactating sows, and the flavor of pork, as well as a breeding method for selecting pigs with better growth performance in finishing pigs, reproductive performance in lactating sows, and superior meat flavor. This method determines the genotype of the pig by detecting the nucleotide position 72599544 on chromosome 1 of the pig reference genome Sscrofa11.1, GCF_000003025.6. The L-valine content in the longissimus dorsi muscle of pigs with the GG genotype at this locus is higher than that of pigs with the TG genotype, and the TG genotype pigs have a higher content than the TT genotype pigs. In practical breeding work, pigs with the genotype GG at locus 72599544 can be selected as parents for breeding, which is of great significance for selecting pigs with better growth performance in fattening pigs, better reproductive performance in lactating sows, and better pork flavor.

The invention discloses a lactating sow intelligent feeding system and method based on ingestion mutual feedback, the system comprises a background control unit and a plurality of automatic feeding devices, each automatic feeding device comprises an automatic feeding control module, an automatic discharging mechanism, a touch sensing module and a water level detection module, the automatic discharging mechanism is used for conveying pig feed into the feeding trough; the background control unit is used for sending a feeding instruction to the automatic feeding device; in the feeding process of each meal, the background control unit sends the total feeding amount of the meal to the automatic feeding device; the background control unit is further used for dynamically adjusting the total feeding amount of subsequent meals according to the relation between the total pig feed amount conveyed into the feeding trough by the automatic discharging mechanism in each meal and the total feeding amount. The system can track the actual ingestion and drinking conditions of the sows, automatically adjust the feeding amount according to an ingestion data feedback mechanism, dynamically respond to the actual feeding requirements of the sows, improve the feed utilization rate, reduce feed waste and promote cost reduction and efficiency improvement of a large-scale pig farm.

The invention discloses a lactating sow feed additive and a preparation method thereof, and relates to the technical field of lactating sow feed. The preparation method comprises the following steps: mixing vitamin E and a rosemary extract in proportion, emulsifying to prepare an emulsion, compounding with a polylysine solution, curing with calcium chloride, and centrifugally drying to prepare an inner core; then mixing acid protease with sorbitol to prepare a stable solution, compounding the stable solution with the inner core, and drying to obtain a composite core; and finally, preparing a coating solution from cellulose acetate succinate and glycerol, and carrying out bottom spraying type spray coating to prepare the double-layer microcapsule. The process parameters are scientific and reasonable, the auxiliary material adaptability is good, the double-layer wall material design is adopted, accurate release of acid protease in the stomach funguses and slow release of vitamin E and rosemary extract in the pylorus can be achieved, the core material utilization rate is increased, the process is easy to scale, and the production performance of lactating sows can be effectively improved.

The invention discloses a fermented Chinese herbal medicine preparation for increasing the lactation yield of sows and a preparation method of the fermented Chinese herbal medicine preparation, Chinese herbal medicines mainly comprise motherwort, folium artemisiae argyi, radix isatidis and jujube powder, and fermented probiotics mainly comprise bacillus subtilis, bacillus coagulans, enterococcus faecalis, lactobacillus plantarum and saccharomycetes. The fermented traditional Chinese medicine preparation produced by the invention has the effects of improving intestinal health and immunity and improving the antioxidant and anti-stress effects of livestock and poultry in the production of the lactating sows, so that the lactation performance of the lactating sows and the production performance of piglets are improved.

The application provides a lactation material for increasing iron content in sow milk, and relates to the field of agricultural technology. The raw material of the lactation material comprises the following components in parts by mass: 2-3 parts of an iron source, 5-8 parts of fermentation material, and 0.8-1.0 parts of eugenol; the fermentation material is prepared by fermenting wheat bran and soybean meal with Bacillus polymyxa; and the iron source is a composite iron source composed of glycine ferrous, methionine ferrous and fumarate ferrous. The lactation material can significantly improve the iron content in the milk of sows in the lactation period, ensure the iron demand of piglets, and improve the survival rate of piglets, birth weight and weaning weight, and ensure the health of piglets, under the condition of a small amount of addition in the daily ration.

The present invention discloses an automatic detection and analysis method for sow-piglet squeezing events, comprising: obtaining video data of lactating sows and piglets living together as an initial data set; identifying the piglet mask outline, sow posture, sow mask outline, and key points of all video frames based on the initial data set; filtering the initial data set based on the sow posture to obtain a basic data set; obtaining different lethal areas based on the basic data set and the corresponding sow mask outline and key points; determining a final lethal area based on the lethal areas; tracking piglets within the final lethal area based on the basic data set and the piglet mask outline to obtain a tracking result; and obtaining the number of squeezed piglets based on the tracking result. The method can accurately locate the lethal area where the sow squeezes the piglets and thus detect the number of piglets squeezed by the sow.

The present application relates to a kind of compound acidifier for improving the feed intake of lactating sow and its preparation method, belong to the technical field of feed additive.The compound acidifier includes wall material and core material, the wall material includes cystine-gamma-polyglutamic acid and arginine-chitosan;The core material includes organic acid, organic acid salt and fermentation broth.The compound acidifier of the present application uses cystine crosslinked gamma-polyglutamic acid and arginine grafted chitosan as wall material, forms microcapsule with intestinal target release function by wrapping organic acid, can effectively improve the utilization efficiency of acidifier and the feed intake of lactating sow.

1. Name of the product in this design: Packaging bag (Zhu Dafu Fuxing 333 lactating sow concentrated feed). 2. Purpose of this design: For packaging feed. 3. The key design features of this product are the combination of pattern and color. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The design for which protection is sought includes color. 6. This design is for a thin product; therefore, the left view, right view, top view, and bottom view are omitted.

The utility model discloses lactating sow feeding equipment which comprises a support, a feeding box is arranged in the bottom end of the support, a feed storage box is arranged in the top end of the support, a discharge assembly is arranged at the bottom end of the feed storage box, and a feed hopper is installed on one side of the top end of the feed storage box. A fixing mechanism is arranged between the feeding box and the support, and a stirring mechanism is arranged in the storage box; wherein the fixing mechanism comprises a mounting box, the mounting box is symmetrically and fixedly connected to one end of the feeding box, mounting grooves are symmetrically formed in one side of the bottom end of the support, the mounting box and the mounting grooves are connected in an inserted mode, and fixing rods are symmetrically mounted in the mounting box, so that the effect of quickly mounting and dismounting the feeding box can be achieved; according to the feeding box, workers can clean and maintain the feeding box very conveniently, the working efficiency is improved, feed residues and deterioration can be effectively prevented, and therefore the health of sows is ensured.

The invention relates to the technical field of livestock breeding, in particular to a sow lactation follicular development degree evaluation method based on a neural network, which comprises the following steps: based on a sow in a lactation period, acquiring physiological parameters of the sow in the lactation period in real time by using various sensors, and measuring and recording body temperature, heart rate and respiratory rate data; and generating a physiological parameter data set. According to the method, the physiological parameters of the sows are monitored and analyzed in real time and associated with follicle maturity analysis, reproduction management is optimized, reproduction opportunity errors caused by data delay and errors are reduced, and the pregnancy rate and production efficiency of the sows are improved by evaluating the maturity and size of follicles and optimizing opportunity selection of artificial insemination; by quantitatively evaluating the influence of nutrient intake on follicular development, a scientific basis is provided for feed management, nutrient supply is optimized, breeding efficiency and sow health are improved, and economic benefits and sustainable development level of animal husbandry are enhanced.

The present application relates to a lactating sow promoting reproduction feed additive and its preparation method and application, the component of the lactating sow promoting reproduction feed additive includes: fermented Chinese herbal medicine compound, carbohydrate, rutin and carrier material;The fermented Chinese herbal medicine compound is the product obtained by fermentation of Chinese herbal medicine fermentation substrate by complex bacteria and complex enzyme;The Chinese herbal medicine fermentation substrate includes the combination of salvia, radix puerariae, radix bupleuri, hibiscus syriacus and quercus.The present application develops a feed additive according to the physiological characteristics and nutritional requirements of lactating sows, and the active nutrients cooperate with each other, which can not only improve the milk yield and quality, but also promote follicular development in sows, shorten the number of days from weaning to estrus in sows, and improve the subsequent reproductive performance.