100 results about "Feed quality" patented technology

The invention relates to the technical field of feed quality control, in particular to an intelligent feed processing quality control method and system. According to the method, the operation parameters and the environment temperature and humidity of the production equipment are acquired in real time, and the environment and equipment state parameter set is established, so that the influence factors of the production conditions are quantified, and an accurate basis is provided for parameter adjustment of the subsequent processing flow. In the production process, the adaptive processing flow threshold value is calculated based on the operation stability of equipment and the change trend of raw material components, and unstable product quality caused by raw material fluctuation or equipment state change is avoided. And whether key indexes in the production process are in an adaptive range or not is dynamically judged by combining the change conditions of the steam absorption rate and the granulation pressure, so that the processing flow control is finer. For trend deviation possibly occurring in the production process, the stability of the production process is analyzed by analyzing the equipment load level, the energy consumption change synchronism and the abnormal trend of processing flow parameters.

The invention discloses an unconventional feed quality assessment method and system, and relates to the technical field of unconventional feed quality assessment, and the method comprises the following steps: in a feed high-temperature drying treatment process, establishing a multi-dimensional sensing monitoring baseline, continuously obtaining mercury vapor concentration gradient, moisture evaporation rate and airflow velocity field data in a feed drying environment, and calculating the quality of the feed; forming a time sequence feature set reflecting the dynamic change of mercury vaporization; and constructing a gas-solid interaction analytical model by using the time sequence feature set, and carrying out coupling analysis on the mercury vapor migration trajectory and the temperature distribution and humidity distribution of the feed particle surface to generate a spatial distribution data set representing the spatial distribution feature of the mercury vapor redeposition region. According to the invention, the whole-process monitoring and dynamic regulation and control of mercury vaporization, migration and redeposition in the feed drying process are realized, through multi-dimensional monitoring, amplitude limiting control and high-frequency disturbance, the mercury distribution is balanced, the risk is reduced, the drying safety and the feed quality stability are improved, and the controllable management of heavy metal pollution is effectively realized.

The invention discloses a feeding control system and method for intelligent poultry breeding, and relates to the technical field of poultry feeding control. Physiological data of poultry in a farm are obtained, then the poultry are bred in different areas, then the breeding density and environment information of poultry breeding areas are obtained through analysis, the appetite of the poultry is regulated and controlled, and the poultry breeding efficiency is improved. The method comprises the following steps of: analyzing the feeding frequency and the feeding amount of each poultry breeding area, analyzing the feeding frequency and the feeding amount of each time of feeding, monitoring the environment of a trough in the feeding process, further controlling and adjusting the trough and a discharge port, continuously monitoring the physiological data of poultry in each poultry breeding area, and feeding back the physiological data. According to the method, the standard body weight of the poultry is controlled through appetite control and feeding control, the growth consistency of the poultry in a farm is guaranteed, the quality of feed is also guaranteed, and diseases caused by diet are avoided.

The invention discloses a sorghum brown midrib mutant gene bmr34 related to high digestibility and application of the sorghum brown midrib mutant gene bmr34. The haplotype of the mutant gene bmr34 can specifically reduce the lignin content by 2.99% without affecting the biological yield. The invention provides the KASP marker which can accurately locate the bmr34 gene of sorghum and is closely linked with the bmr34 gene of sorghum, so that the breeding efficiency can be greatly improved, the breeding process is accelerated, and the KASP marker has important theoretical and practical significance for improving the quality of sorghum feed.

The invention belongs to the technical field of feed additives, and particularly relates to a feed additive for improving the production performance, egg quality and body health of laying hens and application of the feed additive. The feed additive is composed of mulberry leaf powder and bacillus licheniformis. The invention also provides a feed which is composed of a basic feed and the feed additive, each 1kg of the feed contains 1 * 10 < 10 > CFU of bacillus licheniformis, and the mass of the mulberry leaf powder is 9%-15% of the mass of the feed. Animal experiments prove that the feed additive disclosed by the invention has no obvious negative influence on the production performance and the body health of laying hens, and can also obviously improve the egg quality. The invention provides a feasible scheme for reduction and substitution of soybean meal and corn in livestock and poultry feed, and has important practical significance for relieving structural shortage of protein feed raw materials.

The invention belongs to the technical field of anomaly recognition, and provides a feed particle processing method and system with fermented silkworm excrement as a raw material, and the method specifically comprises the steps: firstly, arranging an infrared thermal imager in a conditioner in a feed granulator, collecting and storing infrared images in real time through the infrared thermal imager in a low-temperature granulation process, obtaining an infrared image sequence, and carrying out the low-temperature granulation process through the infrared image sequence; the method comprises the following steps of: acquiring a plurality of infrared images, performing regional division on the infrared images to obtain a plurality of processing regions, performing gelatinization missing risk analysis on a low-temperature processing process of each micro-processing region to obtain a gelatinization null value, and performing gelatinization anomaly identification on the feed according to the gelatinization null value. The local gelatinization hysteresis phenomenon caused by micromechanisms such as heat transfer path delay, particle heat capacity difference and moisture migration limitation is accurately dealt with through gelatinization deletion risk analysis, and feed particles with the pulverization risk are positioned in the feed subjected to low-temperature treatment, so that the feed pulverization risk of the raw material prepared from the fermented silkworm excrement is reduced, and the feed pulverization risk of the raw material prepared from the fermented silkworm excrement is reduced. The feed quality is improved.

A feed composition comprising microalgae-derived biomass according to the present application uses microalgae having a high content of protein, fat, and minerals and free of factors that degrade feed quality, and thus can be effectively used as a fish feed composition.

The utility model relates to the technical field of livestock breeding, in particular to a livestock breeding feed grinder which comprises a grinding box, grinding rollers, a screening assembly and an anti-blocking assembly, the grinding box is connected with the grinding rollers which are symmetrically arranged, a feeding port and a discharging port are formed in the grinding box, the screening assembly is connected into the grinding box, and the anti-blocking assembly is connected to the grinding box. According to the feed screening device, the multiple screening ends of the screening assembly conduct multi-layer filtering, feed located between the screening ends is extruded through the change of the distance between the screening ends, feed generated by feed smashing can be directly discharged, the feed is kept within a certain humidity range, and the situation that the quality of the feed is affected by too high humidity is avoided; the rotating ends of the anti-blocking assemblies synchronously move in the vertical direction along with the screening ends, the rotating ends can stir feed on the screening ends so that the feed can be dispersed and discharged, and the distance between the screening ends can be limited through the size of the rotating ends so that water loss caused by too short distance and too large extrusion force can be prevented.

The utility model discloses a feeding device for sheep breeding capable of automatically mixing feed, which belongs to the technical field of sheep breeding and comprises a bottom plate, a protective component is connected above the bottom plate, a worker stands outside a breeding farm to pour feed into a feed cylinder, a valve on a discharge pipe is opened, a transverse moving component is started to drive the feed cylinder to transversely move, and the feed cylinder can be automatically mixed. According to the feeding device for sheep breeding, a worker does not need to enter a breeding farm to add feed, time and labor are saved, the risk that sheep flock is infected with diseases is reduced, a protection plate is arranged, the situation that rainwater enters the device can be reduced, the feed quality is prevented from being affected, and the situation that the health of sheep is seriously threatened after the sheep eat the feed is avoided; and by adjusting the connecting assembly, the connecting plate and the protective plate can be detached from the device, so that the connecting plate and the feed cylinder are convenient to maintain or replace, and the practicability is improved.

The utility model relates to the technical field of feed processing, and discloses a quantitative feeding mechanism for feed processing, which comprises a support. The feeding bin is fixedly connected to the top of the support, and the hopper is fixedly connected to the top of the feeding bin; the motor I is arranged on the right side of the outer part of the feeding bin; the first rotating rod is fixedly connected to the output end of the first motor, the first rotating rod is rotationally connected to the interior of the feeding bin, and the second rotating rod is rotationally connected to the interior of the hopper; the first gear and the second gear are meshed with each other, and the first gear is fixedly connected to the left side of the outer portion of the first rotating rod. According to the feeding device, in the feed processing process, quantitative feeding of raw materials is facilitated, manual operation of operators is not needed, the situation of excessive feeding or small feeding is avoided, and therefore the quality of feed is improved.

The present application relates to the technical field of device control, and in particular to a feed quality real-time regulation method and system based on multi-modal data, which mainly includes constructing a feed quality evaluation model, determining whether the current feed is normal based on a quality index, outputting a device regulation index based on the frequency and the deviation rate of the data corresponding to the current target device through a device regulation model, sorting the device regulation index, and outputting the regulation. The above method gives a relatively objective sorting result, and the control system or the staff can adjust the parameters of the corresponding device according to the current sorting result, can complete the regulation in the shortest and most reasonable time, realize the continuous production of the production line, improve the detection efficiency and realize the relatively effective regulation, and at the same time, avoid the traditional static regulation mode, and adjust the current feed production in real time.

The invention relates to the technical field of feed production intelligent control, and particularly discloses a feed production line intelligent regulation and control system and method based on the Internet of Things. Comprising a sensing acquisition module, a data processing module, a model construction module, an intelligent regulation and control module and a collaborative optimization module, according to the method, anomaly recognition is realized through DBSCAN clustering, and a production parameter anomaly recognition result is obtained; constructing a correlation mapping matrix between the production parameters and feed quality, production efficiency and energy consumption indexes according to an abnormal recognition result, and obtaining an optimal target production parameter set through multi-target optimization; generating a production parameter adjustment amount based on a deep reinforcement learning model; and finally, multi-device and multi-process cooperative regulation and control are completed through edge cloud collaboration. Real-time sensing and precise regulation and control of the whole feed production process are achieved, the technical problems that a traditional production line is poor in parameter collaboration, large in quality fluctuation, high in energy consumption and the like are solved, and the intelligent level of feed production is greatly improved.

This utility model discloses a material mixing device for fermented feed production, relating to the field of fermented feed production technology. The device includes a horizontal plate, with a movable component fixedly connected to one side of the top of the horizontal plate. A mixing mechanism is fixedly connected to the top of the movable component, and an auxiliary mechanism is fixedly connected to the other side of the top of the horizontal plate. A discharge mechanism is connected to the bottom of one side of the mixing mechanism. The mixing mechanism includes a housing, with the bottom of the housing fixedly connected to the top of the movable component. In this utility model, the mixing mechanism uses a stirring blade and a stirring rod to fully mix the materials inside the housing, effectively covering all areas and avoiding dead zones in the mixing. The auxiliary mechanism, by moving the movable frame, causes the housing to shake, promoting material mixing from another dimension and greatly improving the uniformity of mixing. Compared to traditional single-stirring methods, this device better meets the stringent requirements for uniform material mixing in fermented feed production, thereby improving feed quality.

The utility model relates to the technical field of meat rabbit breeding, in particular to automatic feed quantifying equipment for meat rabbit breeding, which comprises a horizontally arranged bottom plate, a storage bin and a lifting pipe are arranged on the top surface of the bottom plate, a discharge pipe is communicated between the bottom of the storage bin and the bottom of the lifting pipe, and the top of the lifting pipe is communicated with a discharge main pipe. The discharging main pipe is communicated with a discharging branch pipe, the discharging branch pipe is provided with an automatic quantifying mechanism, and a feed trough is arranged below the discharging branch pipe; the top of the storage bin communicates with a heating circulating air mechanism, a rotating shaft is rotationally connected into the storage bin, the top end of the rotating shaft communicates with the heating circulating air mechanism, the top end of the rotating shaft is in transmission connection with a first motor, a stirring rod is fixedly connected to the rotating shaft, and air outlet holes are formed in the stirring rod. Through combination of mechanical stirring and hot air circulation spraying, feed is stirred, meanwhile, dehumidification and caking prevention are achieved, good fluidity of the feed is kept, smooth follow-up automatic feeding is guaranteed, and meanwhile the feed quality is guaranteed.

The utility model provides a feed processing device capable of mixing evenly, and relates to the technical field of feed processing, the feed processing device comprises a moving mechanism, a blanking mechanism is movably clamped on one side of the outer wall of the moving mechanism, the moving mechanism comprises a main plate, one side of the outer wall of the main plate is fixedly connected with a controller, and the controller is fixedly connected with a motor. Two first holes are formed in one side of the outer wall of the main plate, first electric push rods are movably mounted on the inner surface walls of the two first holes, the output ends of the two first electric push rods are fixedly connected with a first side plate, and two stirrers are arranged on the inner surface wall of the first side plate; two first sliding rods are fixedly connected to one side of the outer wall of the first side plate. By moving the equipment, workers can go deep into the equipment, thoroughly remove residual feed and impurities, prevent bacteria breeding and mildew and guarantee the feed quality, so that the service life of the equipment is prolonged, maintenance personnel can conveniently check and replace worn parts, normal operation of the equipment is guaranteed, and the downtime is shortened.

The invention discloses a non-grain type protein source feed quality safety evaluation method, and particularly relates to the technical field of feed detection. The method comprises the following steps: obtaining a non-grain type protein source feed sample, drying, crushing and homogenizing; detecting protein content and target amino acid composition, and constructing a nutrition suitability scoring model; detecting anti-nutritional factors such as lignin, tannin and gossypol, and calculating an anti-nutritional risk score based on a limit value; detecting the content of heavy metals such as lead, cadmium, mercury and arsenic, and generating a heavy metal safety score; detecting the content of biotoxins such as aflatoxin, vomitoxin and zearalenone, and outputting a biotoxin safety score; and finally, performing weighted calculation on each score, and constructing a comprehensive quality safety index model to obtain the quality safety level of the feed. The method realizes multi-dimensional and quantitative evaluation of the nutrition and safety of the non-grain type protein source feed, is suitable for feed resource development, alternative raw material screening and feed formula optimization, and has the advantages of strong adaptability and strong operability.

The present invention discloses a method and system for grading the quality of unconventional feed, which specifically relates to the technical field of feed quality assessment. Conventional nutrition, functional nutrition and harmful substance components are comprehensively analyzed through high-precision detection technology. A multi-factor synergistic toxicity assessment model is constructed, and the synergistic effects of multiple harmful substances are quantified based on toxic equivalent factors and matrix interaction analysis, and a synergistic toxicity index is output. The overall quality of the feed sample is evaluated in combination with the detection results and the toxicity index, and the sample is divided into high-quality, qualified and unqualified grades. Targeted application suggestions and risk control measures are provided, a cloud database is constructed to record assessment data, and Internet of Things sensors are used to monitor supply chain quality fluctuations in real time. Anomalies are automatically identified and early warnings are triggered to achieve dynamic management of feed quality, effectively improve the scientific nature and accuracy of unconventional feed quality assessment, reduce potential safety hazards, and facilitate its safe promotion and efficient application in the breeding industry.

The invention discloses a preparation process of a multi-stage fermentation biological feed, and belongs to the technical field of feed biology. In order to solve the problems that the existing fermented feed is poor in strain synergism, insufficient in enzymolysis, low in probiotic colonization amount and the like, the method adopts a staged and time sequence inoculation strategy, and four stages of aerobic enzyme production degradation, aerobic fermentation and enzymolysis, facultative anaerobic fermentation and anaerobic probiotic colonization are sequentially carried out; and the inoculation sequence and proportion of trichoderma reesei, aspergillus niger, aspergillus oryzae, bacillus subtilis, candida utilis and lactobacillus plantarum are accurately controlled. By constructing an efficient flora metabolic chain, the quality of the feed is remarkably improved. The crude protein content of the prepared feed can reach 37.8% or above, and the viable count of lactobacillus plantarum reaches 3.1 * 10 < 10 > CFU / g. The prepared feed product has the advantages of high nutritional value, strong probiotic function and long shelf life, and the process is controllable and suitable for industrial production.

The invention discloses a piglet feed and a production method thereof, and aims to realize accurate adaptation and efficient production of piglet feeds of different day ages through integrated innovation of a formula and equipment. In-depth analysis of piglet breeding pain points is as follows: the digestive system of piglets is immature, and the traditional feed formula is single, so that the palatability is poor, the digestibility is low, and diarrhea occurs frequently; and the problems of tedious material transfer, non-uniform mixing, dust pollution and the like caused by separation of equipment are solved. In order to solve the problems, a team firstly confirms a formula; secondly, special equipment is designed according to the characteristics of multiple components in the formula, so that uniform distribution of nutrients is ensured, and caking or layering is avoided; finally, through prototype iteration and experimental verification, the equipment structure is optimized, coherent operation is achieved, and the production efficiency and the feed quality are improved. The technical problems that traditional piglet feed is poor in palatability, low in digestibility, prone to causing diarrhea and uneven in mixing in the production process are effectively solved.

The invention belongs to the technical field of microorganisms, and particularly relates to bacillus paralicheniformis CA10001 as well as application and a product thereof. The bacillus paralicheniformis CA10001 has been preserved in the China General Microbiological Culture Collection Center on February 22, 2024, and the preservation number of the bacillus paralicheniformis CA10001 is CGMCC No. 29876. The strain has relatively strong antibacterial ability, heat resistance, acid resistance and cholate resistance to clostridium perfringens, and can be used for improving feed quality and improving animal growth performance.

The present application belongs to the field of microbial technology and feed biotechnology, and particularly relates to a broad-spectrum environment-adapted Bacillus subtilis var. fecalis strain and application thereof. Bacillus stercoris DP01, with a preservation number of CCTCC NO: M 20261280. The strain in the present application has broad-spectrum temperature adaptability and fermentation substrate water activity adaptability, and the fermented soybean meal product obtained by using the strain to ferment soybean meal has high crude protein content, high acid-soluble protein proportion and remarkable degradation effect of soybean antigenic protein. Bacillus stercoris The DP01 environment-adapted strain has excellent fermentation effect, can effectively improve the nutritional value and feeding quality of soybean meal, and has a broad application prospect in the feed industry.

The present application relates to the field of aquatic animal breeding, and more particularly, the present application relates to an intelligent variable frequency feeding control method and system based on negative pressure air feeding, the method comprising: inputting all historical variable frequency feeding data into a GBDT model to be trained, setting an initial learning rate during the training process, calculating the residual optimization degree after each decision tree partition, taking the product of the square root of the residual optimization degree and the initial learning rate as the adaptive learning rate of the next time, and optimizing the training process of the model according to the adaptive learning rate; inputting real-time variable frequency feeding data into the trained GBDT model, outputting a feeding frequency prediction result, and controlling the intelligent variable frequency feeding of the feeding equipment according to the prediction result. The present application closely links the feed quality and the model training effect, improves the scientificity and rationality of the feeding decision, and ensures that the breeding organisms obtain high-quality feed feeding.

This invention relates to the field of microbial technology, and more particularly to *Providens skeletalus*, a high-lysine-producing strain, a compound microbial agent, and its applications. This invention isolates *Providens skeletalus* from the intestines of black soldier fly larvae. This strain exhibits high amino acid production, which can improve feed quality and reduce dependence on high-value protein sources. A combination of *Providens skeletalus* with *Enterococcus faecalis* and *Bacillus licheniformis* in a 1:1:1 ratio demonstrates excellent synergistic effects, efficiently degrading organic waste and promoting black soldier fly growth or the synthesis of microbial proteins rich in essential amino acids. This combination has significant application value in the field of organic waste resource utilization.

The invention discloses a multi-source data integrated feed management system, which relates to the technical field of feed management and is used for acquiring and storing feed consumption conditions, animal growth conditions and environmental state conditions, processing the feed consumption conditions, the animal growth conditions and the environmental state conditions acquired by a data acquisition module and sending the processed feed consumption conditions, the processed animal growth conditions and the processed environmental state conditions to a server. And managing the feed according to the feed replenishment time reminding signal, the current feed proportioning state signal and the feed quality state signal, uploading the feed replenishment time reminding signal, the current feed proportioning state signal and the feed quality state signal to a user interaction terminal, setting access authority and configuring system parameters, and sending the system parameters to the user interaction terminal. Through integration of multi-source data, accurate feed proportioning and inventory prediction are realized, replenishment reminding, proportioning state and quality state signals are automatically integrated, the management efficiency is improved, the labor cost and the error rate are reduced through automatic and intelligent management, feed waste is reduced, healthy growth of animals is promoted, and the economic benefit is increased. And the economic benefit and the management transparency are improved.

The utility model relates to a bait casting machine for aquaculture, which belongs to the field of aquaculture, and comprises a mounting seat, a box body and a material collecting frame, the box body is provided with a quantitative stirring component, the mounting seat is provided with an auxiliary moving component, the quantitative stirring component comprises a partition plate fixedly mounted in the box body, and the partition plate is provided with an auxiliary moving component. And a discharging pipe is fixedly installed at the bottom of the partition plate, a first motor is fixedly installed at the top of the box body, and a stirring piece is fixedly installed at the output end of the first motor. According to the bait casting machine for aquaculture, by installing the quantitative stirring assembly, bait in the box body 1 can be conveniently stirred, the situation that the bait is agglomerated is prevented, meanwhile, during feeding, quantitative feeding can be conducted, the feeding amount of each time is reasonably controlled, and then the quality of aquaculture is improved; a discharging hole formed in the bottom of the box body can be conveniently blocked, the situation that flowing water enters the box body through the discharging hole to affect the bait quality is reduced, and the feeding quality of the device is improved.

The invention relates to a solid state fermentation method for improving vinasse feed quality and probiotic functions, which comprises the following steps: substrate pretreatment: drying vinasse until the water content is less than or equal to 12%, crushing, sieving with a 40-mesh sieve, taking 100-120 parts by weight of vinasse powder, adding 20-30 parts by weight of auxiliary materials, uniformly mixing, adjusting the water content to 58-62%, and adjusting the pH to 6.2-6.8 with lime milk; post-treatment: after fermentation is finished, ventilating and drying at 45-55 DEG C until the water content is less than or equal to 10%, crushing and sieving with a 60-mesh sieve to obtain a finished product. According to the invention, through innovative combination of substrate pretreatment optimization, composite auxiliary material synergism, four-strain synergism probiotic agent and two-stage fermentation technology, core defects of natural vinasse and existing fermentation technology are thoroughly solved; the comprehensive effects that the nutritional quality is comprehensively improved, the probiotic functions are multi-dimensionally strengthened, the product stability is remarkably improved, and the application range is greatly widened are achieved.

The application discloses an automatic control system and method in a poultry feed processing process, and belongs to the technical field of poultry feed processing. Material trajectory data is obtained by constructing a material discrete flow unit model, and cumulative heat and humidity action is calculated by combining temperature, humidity and steam inlet parameters. A fractional order cumulative damage model is introduced to construct inactivation risk value, forming a space-time risk field. Further, persistent homology algorithm is used to identify stable risk clusters, and based on the risk clusters, the material path is traced back to generate path sensitive control parameters. The steam injection and material movement parameters are cooperatively adjusted to form a closed-loop iterative control mechanism. The application can effectively identify and inhibit local retention micro-cluster phenomenon, reduce the inactivation risk of trace additives, and improve the feed quality stability and processing control precision.

The feed composition containing the microalgae-derived biomass of the present application does not cause any factors that reduce the quality of the feed, and can be usefully used in fish feed compositions using microalgae that are high in protein, fat, and minerals.

The utility model belongs to the technical field of detection devices, and particularly relates to a crayfish feed quality detection device which comprises a detection water tank, a frame body and a surrounding plate, a drainage pipe is arranged on the detection water tank, a draining assembly is arranged on the detection water tank, a group of through holes are formed in the bottom of the frame body, lap joint plates are installed on the two sides of the upper end of the frame body, and the lap joint plates are connected with the frame body. Concave holes are formed in one ends of the two lap joint plates correspondingly, and limiting assemblies are arranged at the two ends of the surrounding plate correspondingly. According to the device, the frame body can be limited and fixed through the limiting assembly, so that the stability of quality detection of the crayfish feed is ensured, and on the contrary, the qualified crayfish feed can be taken by dismounting the device; the detected crayfish feed can be drained through the draining assembly, so that the shape and structure change of the feed can be observed, the water resistance of the crayfish feed can be detected, meanwhile, the subsequent feed taking work is facilitated, and the labor amount consumed by manual feed taking is also reduced.

The invention provides a cotton straw feed and a preparation method thereof, and belongs to the technical field of feeds. The cotton straw feed provided by the invention is prepared from a cotton straw mixture and a zymophyte solution, the cotton straw mixture is composed of tomato peel, candy pomace and cotton straw, and the weight ratio of the tomato peel to the candy pomace to the cotton straw is (4-6): (2-4): (11-13); the zymophyte liquid comprises lactobacillus plantarum, candida utilis, saccharomyces cerevisiae, candida tropicalis, bacillus subtilis, geotrichum candidum, bacillus licheniformis and pseudomonas putida. The tomato peel, the sugar residues and the cotton straw are scientifically matched, through the synergistic effect of components and taste, the palatability of the feed is remarkably improved, livestock are attracted to actively eat the feed, through superposition of multiple nutritional components, the content of key nutritional indexes such as protein and vitamins of the feed is effectively increased, nutritional advantage complementation of the raw materials is achieved, and the feed is suitable for large-scale production. The feed quality is comprehensively optimized.