65 results about "Finishing pig" patented technology

The invention discloses a low-carbon and energy-saving fattening pig house air conditioner control method which comprises the following steps: S1, constructing a grid digital twinborn model of a pig house, and initializing the grid digital twinborn model by using sensor data; s2, based on the gridding digital twin model, physical flow field simulation is executed, and temperature field distribution in the hog house is obtained; s3, temperature field distribution is analyzed, a temperature anomaly region needing to be regulated and controlled is recognized, and the attribute of the temperature anomaly region is quantified; s4, determining a target regulation and control unit and calculating regulation and control parameters of the target regulation and control unit based on the attribute of the temperature abnormal region; and S5, executing regulation and control and updating the digital twin model based on feedback data to form predictive closed-loop control based on physical simulation. By eliminating a local hot / cold stress area, the uniformity and stability of the hog house hot environment are greatly improved, meanwhile, a precise on-demand regulation and control mechanism is achieved, global excessive air supply is avoided, and substantive low-carbon and energy-saving effects in the operation process are achieved.

The invention belongs to the technical field of agricultural animal husbandry application, and particularly relates to a feed additive for reducing backfat thickness of fattening Min pigs, a preparation method and application. The feed additive for reducing the backfat thickness of the fattening Min pigs comprises the following components in percentage by weight: 0.25 to 1.0 percent of hyodeoxycholic acid, 21.0 to 31.7 percent of citric acid, 0.7 to 3.2 percent of neutral phytase, 0.1 to 1.4 percent of astragalus membranaceus, 0.3 to 1.4 percent of saccharin sodium salt, 1.0 to 8.2 percent of rice hull powder and 54.0 to 64.7 percent of zeolite powder. The preparation method of the feed additive for reducing the backfat thickness of the fattening Min pigs comprises the following steps: crushing hyodeoxycholic acid, citric acid, neutral phytase, astragalus membranaceus, saccharin sodium salt, rice hull powder and zeolite powder into 80-mesh particles; the preparation method comprises the following steps: weighing the raw material components according to the ratio, stirring in a stainless steel mixer with the mixing uniformity of less than or equal to 5% for 5-10 minutes, and quantitatively packaging to obtain the finished product. The additive in the feed from the late stage of Min pig fattening to slaughtering can effectively reduce the backfat thickness of sows during slaughtering, improve the expression level of related genes of muscle fibers, and further improve the meat quality of Min pigs.

The application discloses a fattening pig sorting system based on three-dimensional point cloud weight estimation, which comprises a data acquisition and processing module, a wireless data transmission module, a cloud server and a sorting equipment module, wherein the data acquisition and processing module acquires depth data of experimental pigs in a channel and constructs a standardized three-dimensional point cloud database of fattening pigs; after the fattening pigs to be measured pass through the data acquisition and weight estimation process, the estimated weight information is obtained; the wireless data transmission module uploads the weight information to the cloud server and waits for the sorting instruction; the cloud server compares the weight information with the median value of the group and sends the judgment result to the sorting equipment module; and the sorting equipment module selects the corresponding sorting gate in the open multi-channel based on the live pig weight data result and completes the intelligent sorting of the live pigs. The application adopts the non-contact weight estimation technology to realize real-time and automatic weight monitoring, saves the labor and time cost and improves the production efficiency of the farm.

The invention provides a natural plant feed additive for protecting livers and kidneys of livestock and poultry and a preparation method, and relates to the field of feed additives, the feed additive is prepared from centella asiatica, penthorum chinense pursh, felwort, phyllanthus urinaria, purpleflower holly fruit, isatis root, polyporus umbellatus, pericarpium arecae, uncaria, cyrtomium fortunei, talc, cortex acanthopanacis and cassia twig. Experimental data show that the feed additive can significantly inhibit the activities of ALT, AST and ALP in serum, reduce the level of TBIL, enhance the activities of SOD and GSH-Px, recover T-AOC and reduce the generation amount of MDA, so that the multi-dimensional liver protection function of laying hens with acute liver injury is realized; meanwhile, the feed additive can significantly improve the average daily gain of the fattening pigs, reduce the feed-gain ratio, reduce the activity of ALT and AST, increase the content of TP and ALB, and achieve a multi-target comprehensive physiological regulation effect; in addition, the difference between the serum BUN content and the serum Cr content of each group of fattening pigs has no statistical significance, it is proved that the fattening pigs have no risk of renal dysfunction, and a new solution is provided for developing green and efficient functional feed additives.

The invention relates to a compound feed for growing-finishing pigs, and belongs to the technical field of feeds. The feed is prepared from an energy raw material, a protein raw material, a mineral raw material, a functional additive and a carrier. The preparation method comprises the steps of raw material pretreatment, solid-state fermentation cooperative treatment, precise mixing, low-temperature granulation and the like. By utilizing the synergistic effect of the wheat middling, the wet fermented soybean meal, the extruded soybeans, the compound enzyme, the microecological preparation, the organic acidifying agent, the emulsifying agent and the like and optimizing the preparation process, the problems of unbalanced nutrition, insufficient functionality, easy loss of thermosensitive components, poor environmental protection property and the like of the traditional feed are effectively solved; the growth performance, the intestinal health and the immunity of pig bodies can be remarkably improved, excrement and nitrogen excretion is reduced, the quality of pig muscles is improved, and the antibiotic-free and green breeding requirements are met.

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 synthetic microbial flora for improving pork quality and application thereof. The synthetic microbial flora comprises two kinds of probiotics, namely lactobacillus plantarum WY2401 with the preservation number of CCTCC (China Center For Type Culture Collection) NO. The invention relates to ackermann muciniophilic bacteria. The synthetic microbial flora is prepared by compounding lactobacillus plantarum and ackermann mucophile according to a colony formation unit number ratio of 1: 1, concentrating and freeze-drying. Experimental results show that the synthetic microbial flora is added into the basic feed of the fattening pigs, so that the carcass traits are improved, the intramuscular fat content is increased, the conversion of muscle fiber types and the development of muscle fibers are promoted, and the meat quality is improved.

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 provides a feed additive containing mulberry leaves and a preparation method and application thereof, and belongs to the technical field of feed additives.The feed additive contains the following raw materials in parts by weight: fresh mulberry leaves 50-70 parts, corn flour 5-15 parts, molasses 1-2 parts, rapeseed cake 2-4 parts, wheat bran 15-25 parts and fermentation agent 0.1-0.5 parts.The application can significantly improve the body antioxidant function and immune level of fattening pigs, improve the fatty acid composition of pork, increase the content of unsaturated fatty acids, oleic acid and iron elements, reduce the total amount of saturated fat and muscle bitter amino acids, and improve the pork quality and nutritional value.

The utility model discloses a fixing device for fattening pig blood sampling detection, and relates to the technical field of fixing devices. The developed fat pig blood sampling detection fixing device comprises a working platform and a clamping unit, the clamping unit is located on the inner side of the working platform, the working platform comprises a bottom plate, and the bottom plate is used for stably supporting the developed fat pig blood sampling detection fixing device; the limiting door is used for limiting pigs in the fattening pig blood sampling detection fixing device; the fixing sleeve is used for fixedly placing the driving motor; the clamping unit comprises a clamping unit; a cross bar; the adjusting clamping plate is used for clamping a fat pig. According to the fattening pig blood sampling detection fixing device, the clamping unit is arranged, a gear is used for driving a rack to drive the clamping unit, and therefore the position of the clamping unit is adjusted; the clamping unit is provided with an adjusting clamping plate, and a rotating handle is rotated to drive a threaded rod to drive the adjusting clamping plate to clamp the pig body. The clamping unit can be adjusted, so that the device can be conveniently adapted to pigs with different body sizes.

The present application belongs to the field of livestock and poultry breeding and feed processing technology, and particularly relates to a feed additive, a nutritional supplement, a feed and application thereof. The present application provides application of p-coumaric acid in improving carcass and meat quality, improving feed conversion rate, reducing fat deposition of livestock and poultry and improving fat metabolism of livestock and poultry. The results of the examples show that p-coumaric acid can effectively improve the feed conversion efficiency of growing pigs in the growth stage, which provides a reference for reducing feed waste in production and realizing cost reduction and benefit increase of animal husbandry; under the premise of not reducing or even improving the growth performance and slaughter rate of growing and fattening pigs, the p-coumaric acid can reduce the fat thickness, improve the pig carcass rating, improve the meat quality, and is beneficial to realize efficient production of high-quality pork and improve the market competitiveness of pork in China; the p-coumaric acid can also reduce the blood lipids of chickens, reduce fatty liver and reduce subcutaneous fat deposition, maintain normal metabolism of chickens and improve the health of chickens.

The utility model relates to the technical field of measuring devices, in particular to a growing and fattening pig body height and weighing measuring device which comprises a base and a measuring assembly, and the measuring assembly comprises a fence, a translation component, a longitudinal movement component, a horizontal plate, a laser range finder, a weighing sensor, a display component and a weighing platform. When a fattening pig is weighed, the fattening pig is driven to the weighing platform, the weighing sensor measures the weight of the fattening pig, and weighing data can be displayed on the display part; when the body height of the fattening pig is measured, a worker makes the horizontal plate abut against the highest point of the shoulder of the pig back and then presses a measuring button on the laser range finder to measure the distance value between the horizontal plate and the weighing platform, and the distance value is the distance between the highest point of the shoulder of the fattening pig and the weighing platform, namely the body height of the fattening pig. The pig body height and weight of the fattening pig can be measured, and the application range is widened.

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 improving growth performance of growing-finishing pigs, improving meat quality and reducing odor emission, and is characterized in that the feed additive is composed of the following components in parts by weight: 10-20 parts of an anise leaf extract and 75-90 parts of a probiotic composition; the probiotic composition is prepared from the following bacteria: 1.5 * 10 < 13 > to 4.5 * 10 < 13 > CFU / kg of bacillus subtilis, 1.5 * 10 < 13 > to 4.5 * 10 < 13 > CFU / kg of bacillus coagulans, 4 * 10 < 12 > to 6 * 10 < 12 > CFU / kg of clostridium butyricum and 5 * 10 < 12 > to 7 * 10 < 12 > CFU / kg of bacillus licheniformis.

The utility model discloses a warm-keeping and energy-saving pig house for fattening pigs, and relates to the technical field of warm keeping and energy saving. The warm-keeping and energy-saving pig house for fattening pigs comprises a heat preservation house and a fresh air system, the fresh air system is located on the inner side of the heat preservation house, and the heat preservation house comprises a main house; and the buffer room is used for preventing external cold air from directly entering the main room. The fresh air system comprises an air inlet fan, an air outlet fan and an air outlet fan, wherein the air inlet fan is used for sucking fresh air from the outside of the hog house; and the exhaust fan is used for exhausting waste gas in the pig house. The warm-keeping and energy-saving pig house for fattening pigs is provided with the buffer room, and the buffer room is provided with the second sealing door and the first sealing door to form a buffer space, so that heat loss in the pig house is avoided; the heat exchange system is arranged, the exhaust pipe is wrapped by the heat exchange pipe, and fresh cold air exchanges heat with high-temperature waste gas in the heat exchange pipe, so that the temperature of the cold air is increased, the cold air is prevented from directly blowing pigs to cause diseases of the pigs, energy can be saved, and heat loss can be reduced.

The utility model discloses a double-sided fattening pig pigsty dividing trough convenient to disassemble and wash, and relates to the field of livestock breeding equipment. A double-sided fattening pig pigsty dividing trough convenient to disassemble and wash comprises two fixed side plates and further comprises material plates symmetrically arranged between the two fixed side plates. Clamping grooves are symmetrically formed in the two fixed side plates, and the two sides of the material plate are clamped in the clamping grooves in the same side; the double-surface material groove is formed below the two material plates; through cooperative use of the clamping groove, the limiting frame, the limiting rod, the triangular block, the lead screw, the connecting rod, the second T-shaped block and other components, the overall structural strength can be guaranteed during use, the trough can be quickly disassembled after being used for a period of time, all the components can be fully cleaned and maintained, and the service life of the trough is prolonged. And the sufficiency of cleaning the trough is effectively ensured.

The invention discloses a standardized index calculation method and system for evaluating the production capacity of commercial fattening pigs, and belongs to the technical field of livestock breeding informatization and intelligent evaluation. An actual feed conversion ratio is corrected to an equivalent value of a standard weight interval through an established correction formula to obtain a corrected feed conversion ratio; therefore, the influence of the difference of the initial and final weights of the pigs on feed efficiency evaluation is eliminated. In order to more comprehensively reflect production benefits, weighted feeding days and certified product rate are introduced to correct the fattening index (FSA), and a final and standardized commercial pig standardized productivity index (CSPI) is obtained. According to the invention, through integration and standardized correction of multi-dimensional indexes, a scientific and unified fattening pig production capacity evaluation tool capable of transverse comparison is provided, and objective evaluation of production performance of a farm and accurate discovery of management problems are facilitated.

The invention relates to the technical field of livestock breeding and animal nutrition, in particular to fattening pig feed and application thereof.The fattening pig feed is prepared from, by weight, 50 parts of corn flour, 19-21 parts of concentrated feed, 9-11 parts of wheat bran and 20 parts of wild buckwheat straw powder. According to the formula, the wild buckwheat straw is used as a functional fiber source, through scientific matching and synergistic effect with conventional energy raw materials, the micro-ecological structure of the intestinal tract of the fattening pig is effectively optimized, enrichment of beneficial microbial communities such as lactobacilli in the phylum firmicalis is promoted, and therefore the steady state of the intestinal tract can be maintained. Meanwhile, in the liver of the fattening pigs fed with the formula, expression of various genes related to extracellular matrix structures and tissue homeostasis is up-regulated, and support is provided for tissue structure maintenance and healthy growth. The method provides a feasible path for resource utilization of wild buckwheat straws, and has double benefits of breeding health promotion and agricultural byproduct value increase.

The invention discloses a cottonseed meal fermented feed, a preparation method and application of the cottonseed meal fermented feed in fattening pigs, and relates to the technical field of fermented feeds. The cottonseed fermented feed is prepared from a fermentation product which is obtained by carrying out combined fermentation on cottonseed cakes or cottonseed meal by virtue of lactobacillus pentosus and a compound enzyme, and a fermentation product which is obtained by carrying out combined fermentation on the cottonseed cakes or the cottonseed meal by virtue of the lactobacillus pentosus and the compound enzyme, the lactobacillus pentosus is preserved in Wuhan University in China, and the preservation number is CCTCC NO: M 20231547. According to the invention, theoretical basis and reference are provided for soybean meal reduction of the cottonseed fermented feed in livestock production, and the prepared cottonseed meal fermented feed has good application prospects in improvement of production performance of poultry, aquatic products and / or livestock animals.

The application discloses a kind of growing and fattening pig compound feed and its preparation method and application.The compound feed includes sesame stem leaf and basic daily ration, and the sesame stem leaf accounts for 2%~40% of the mass of compound feed.The application also discloses the preparation method of the compound feed, the application of sesame stem leaf in the preparation of the compound feed and the method for feeding growing and fattening pig.The compound feed of the application has no significant influence on the growth performance of growing and fattening pig after adding sesame stem leaf, has no safety hidden trouble to the growth process and edible part of pig, can improve pork color brightness, reduce back fat thickness, improve lean meat rate, improve pork tenderness, significantly reduce serum alanine aminotransferase, total bile acid and creatinine levels, improve liver and kidney function, and has no histopathology influence on main organs, with high safety.The application widens the feed application field of sesame as high-protein plant resources, and can be used to replace part of soybean meal, to alleviate the problem of high dependence on external feed raw materials.

The application provides a fattening pig breeding intelligent management system, method and related equipment, the system provided by the application adopts a star topology network, can realize long-distance and low-power consumption transmission of low-throughput data in real time, and can also realize real-time transmission of high-throughput data, has efficient data transmission and stable communication guarantee.Once a communication protocol in the first transmission module or the second transmission module is invalid, another protocol can automatically take over, which can effectively ensure stable operation of the system.In addition, the environment monitoring module and the pig detection module of the intelligent management system provided by the embodiment of the application can realize real-time and accurate monitoring of the breeding farm environment and the health status of the fattening pigs through various sensors and cameras, discover health problems of the fattening pigs in time, effectively improve accurate monitoring, scientific management and intelligent control of the whole growth process of the fattening pigs, and can improve breeding efficiency, guarantee pork quality and improve economic benefits of the breeding farm.

The invention relates to the field of breeding and food, and discloses a fattening pig feed, a fattening pig feeding method and a low-cholesterol pigtails, the feed comprises 5-35 wt% of citrus residue fermentation product, 50-70 wt% of corn and 10-25 wt% of soybean meal based on the total amount of the fattening pig feed; wherein the fermented citrus pulp comprises citrus pulp, auxiliary materials, microbial agents and enzyme preparations, the auxiliary materials comprise corn and soybean meal, the microbial agents comprise bacillus subtilis and bacillus licheniformis, and the enzyme preparations comprise xylanase, glucanase, mannase and cellulase. After fattening pigs are fed with the feed provided by the invention, the obtained pigtails have the characteristics of low fishy smell, good smell, low cholesterol content, high calcium and magnesium content and the like. The operation method provided by the invention is simple and easy to implement, and the quality improvement effect of the pigtail food material is remarkable.

The application discloses alfalfa type non-antibiotic low-protein daily ration for reducing pig nitrogen emission and a preparation method thereof, which is composed of the following components in terms of dry matter weight fractions: corn 48-59 parts, soybean meal 1-5 parts, bran 1-2 parts, alfalfa powder 15 parts, wheat 16-23 parts, soybean oil 4-5 parts, calcium hydrogen phosphate 0.7-0.9 parts, stone powder 0-0.03 parts, salt 0.3 parts, lysine 0.3-0.5 parts, methionine 0.06-0.07 parts, threonine 0.14-0.21 parts, tryptophan 0.02-0.06 parts, valine 0.05-0.2 parts, isoleucine 0.04-0.2 parts, premix 1 part and compound probiotics 1 part. The daily ration improves the growth performance and meat quality of fattening pigs, improves feed conversion rate and economic benefits, reduces serum urea nitrogen content, promotes nitrogen metabolism of the organism, reduces glutamic-pyruvic transaminase and glutamic-oxaloacetic transaminase activities in the liver and improves the immune level of the organism, greatly solves the problem of protein feed resource shortage, reduces emission of urine nitrogen, fecal nitrogen and total nitrogen, guarantees food safety and reduces breeding pollution.

This invention belongs to the field of livestock and poultry feed technology, specifically disclosing a high-efficiency compound feed for fattening pigs that resists disease and prevents diarrhea, and its preparation method. The feed includes corn, soybean meal, wheat bran, compound functional premix, vegetable oil, dicalcium phosphate, fish meal, salt, citric acid, maifanite, and zeolite. The compound functional premix contains ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate, lysine, Enterococcus faecalis, and Bacillus subtilis. The Enterococcus faecalis and Bacillus subtilis are prepared using a multi-layer coating process. This invention utilizes the above-mentioned high-efficiency compound feed for fattening pigs that resists disease and prevents diarrhea, and its preparation method. This compound feed, through the scientific ratio of compound functional premix and basic feed, combined with innovative multi-layer coating technology and metal loading intercalation technology, achieves efficient colonization of probiotics and synergistic antibacterial effects, significantly improving the intestinal health and production performance of fattening pigs.

The utility model discloses rapid spraying equipment for fattening pigs, and relates to the field of fattening pig breeding. The rapid spraying equipment for growing and fattening pigs comprises a spraying unit, a collecting unit is arranged below the spraying unit, the collecting unit comprises a base, a water flowing groove is formed in the base, a filter plate is movably arranged in the water flowing groove, a plurality of transverse strip blocks are arranged and are arranged at the tops of the two sides of the filter plate respectively, and clamping blocks are arranged at the tops of the two sides of the filter plate respectively. The number of the clamping blocks is multiple, and the multiple clamping blocks are movably clamped between the multiple transverse strip blocks. According to the rapid spraying equipment for the fattening pigs, clamping blocks abut against transverse strip blocks, the transverse strip blocks fix filter plates, the clamping blocks are taken out of clamping grooves of the transverse strip blocks, then the transverse strip blocks are taken down from the two sides of the filter plates, the filter plates can be mounted and dismounted, mounting and dismounting are convenient, and the practicability is high. And the problem that the filter screen holes are blocked in the long-term use process of the filter plate to influence the filtration of the spray water is avoided.

The application discloses a special feed for fattening pigs rich in functional amino acids, which comprises the following components in parts by weight: a core functional amino acid composition 3-5 parts, a low-soybean meal multi-protein matrix 60-70 parts, a nutrition synergistic component 20-25 parts, an anti-nutritional factor degradation agent 1-2 parts, and a micro-ecological and plant extract component 1-2 parts. A preparation method comprises the following steps: obtaining the low-soybean meal multi-protein matrix by pretreating raw materials; preparing the core functional amino acid microcapsule; mixing the basic materials and then performing low-temperature section granulation; after cooling, mixing the micro-ecological and plant extract component at low temperature; and finally screening and removing impurities and unqualified particles to obtain the finished product. The application optimizes the amino acid ratio and the preparation process, protects the activity of the amino acids, adapts to different growth stages of the fattening pigs, improves the growth performance and carcass quality, improves the raw material digestion rate, reduces nitrogen emission, and has strong applicability.

This invention discloses a fermented feed based on fresh ginger vines and its application in improving the growth performance of fattening pigs. Belonging to the field of livestock feed processing, it is prepared by fermenting pretreated fresh ginger vines and fruit pomace with the addition of a mixed microbial agent. The resulting fermented feed based on fresh ginger vines is mixed with a basic feed and used to feed fattening pigs. This results in improved disease resistance, reduced disease incidence, increased feed intake, and lower production costs.

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 provides application of a dipsacus asper and radix cyathulae stem and leaf compound in a feed additive, and belongs to the technical field of feed. Dipsacus asper stem and leaf powder, radix cyathulae stem and leaf powder and corn flour are compounded, and the feed additive is prepared through double fermentation of bacillus subtilis and lactobacillus plantarum. The fatty acid synthase expression level of fattening pigs fed with the feed additive is remarkably reduced. The lean meat percentage of a control group is 62.75%, the lean meat percentage of a group fed with a conventional traditional Chinese medicine feed additive is 64.35%, the lean meat percentage of a group fed with a fermented traditional Chinese medicine feed additive is 67.87%, and the lean meat percentage is remarkably improved. The pig fattening period of the control group is 104 days, and the feed conversion ratio is 3.02: 1; the fattening period of the pigs fed with the conventional traditional Chinese medicine feed additive group is 101 days, and the feed conversion ratio is 2.94: 1; the fattening period of pigs fed with the fermented traditional Chinese medicine feed additive is shortened to 88 days, the feed conversion ratio is 2.57: 1, and the breeding efficiency is remarkably improved.