132 results about "Feed quality" patented technology

The invention discloses a method for detecting probiotics in fermented rotten vegetable feed based on the Internet of Things, and relates to the technical field of microbiological detection, and the method comprises the following steps: obtaining complete echo signal time sequence data, and carrying out high-frequency sampling on an echo signal time sequence by a sliding time window with a fixed length, and constructing a three-dimensional optical signal transient feature vector. According to the method, the transient feature vector of the three-dimensional optical signal is constructed, and a disturbance residual error and time sensitive weight mechanism is introduced, so that the abnormal disturbance of the optical signal is accurately recognized; by combining the optical interference index and the dynamic sampling window adjustment strategy, the refractive index mutation area is automatically avoided, the sensing misjudgment and data distortion are avoided, the detection stability and accuracy of the probiotic activity state in the fermentation environment are remarkably improved, and the intelligent monitoring capability of the feed quality is enhanced.

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 discloses a beef cattle straw feed preparation method based on compound strain synergistic fermentation, and relates to the technical field of feed processing, and the beef cattle straw feed preparation method comprises the following steps: screening bacillus, lactic acid bacteria and the like to construct an initial compound strain, and screening a high-degradation-ability strain combination through a directed evolution system (30-45 DEG C, pH 4.0-7.0, and lignocellulose 5-15g / L); the straw lignocellulose structure is destroyed through microwave-assisted pretreatment (the power is 200-800 W, and the time is 1-5 min); high-efficiency fermentation is realized through double-stage fermentation (the pH is reduced at 30-35 DEG C for 12-24 hours in the first stage, and stubborn components are degraded at 35-40 DEG C for 36-60 hours in the second stage) and intelligent regulation and control. According to the method, the content of crude protein in the straw is increased to 15.2%, the content of crude fibers is reduced to 19.8%, the degradation rate of lignocellulose reaches 62%, the quality of the feed is remarkably improved, and a new path is provided for recycling of agricultural wastes.

The present invention provides a compound feed for freshwater fish and a preparation method thereof, comprising the following raw materials in parts by weight: 39-44 parts of corn protein powder, 22-34 parts of cottonseed protein powder, 5.4-9.2 parts of black soldier fly larva powder, 11-23 parts of fish oil, 20-30 parts of Schizochytrium powder, 7.5-12.4 parts of soy lecithin powder, 4-10 parts of maltitol, 8-12 parts of sodium butyrate, 8-15 parts of Chinese herbal medicine liquid, 0.2-0.8 parts of compound fermenting agent. Through steps such as raw material mixing, Chinese herbal medicine liquid fermentation, homogenization, puffing and spray drying in sequence, the feed quality control is carried out, so that the compound feed has a relatively high absorption rate and palatability, ensures the intake of the components of the Chinese herbal medicine fermentation liquid, significantly improves the survival rate and growth rate of freshwater fish, and has remarkable economic benefits.

The invention relates to the technical field of feed fermentation production, in particular to microbial feed fermentation equipment and a fermentation method. The microbial feed fermentation equipment comprises a fermentation barrel and a drum-type vacuum stirring tank; the fermentation method of the microbial fermented feed comprises the three steps of fermentation liquor preparation, vacuum injection of the fermentation liquor into the expanded feed and continuous fermentation of the microbial feed, air in the drum-type vacuum stirring tank is emptied, negative pressure in the tank is kept, and the fermentation liquor uniformly permeates into the expanded feed, so that the situation that the fermentation liquor stays on the surface and is not uniformly distributed is avoided; a feed puffing process causes that strains cannot survive after puffed particles are prepared at high temperature in a traditional way of fermenting raw materials. According to the invention, through secondary fermentation and re-injection of the fermentation broth, the strain activity is fully ensured, the feed is subjected to secondary fermentation, and the feed quality is comprehensively improved.

A 16SrDNA sequence of the ruminant rumen-source bacillus ginseng geobacillus is shown as SEQ ID NO.1. A strain is collected from a ruminant rumen and inoculated to a culture medium with straw as a substrate for anaerobic culture and passage enrichment culture to obtain a dominant strain utilizing the straw, screening culture of cellulosic bacteria is performed, single colony selection and purification are performed, and the ruminant rumen-source bacillus ginseng geobacillus is obtained. The strain with the cellulose monodegradation capability is obtained. The bacillus panacis disclosed by the invention is high in adaptability, can effectively ferment feed in aerobic and anoxic environments, can quickly start fermentation, is high in stability in the fermentation process, improves the quality of the feed and reduces the feeding cost.

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 utility model discloses an automatic feed quality monitoring device which comprises a main machine base, a driving arm and a temperature and humidity sensor, a base is welded to the bottom of the main machine base, a servo motor is installed in the base, the output end of the servo motor is connected with a lead screw for transmission in the main machine base, and the lead screw is connected with the driving arm. The transmission lead screw is in threaded connection with a transmission nut seat, the driving arm is welded to one end of the transmission nut seat, and a machine shell and a supporting rod are sequentially welded to the top of the driving arm. By installing the supporting rod and the like, when the device is used, the five negative pressure sampling boxes which are distributed up and down in the vertical direction are arranged at one end of the supporting rod, so that comprehensive and uniform sampling of materials with different depths in the feed fermentation tank can be realized, and the accuracy of subsequent sampling and feed fermentation quality monitoring operation is improved; the temperature and humidity sensors mounted at the bottom ends of the supporting rods can be used for monitoring the temperature and humidity in the feed fermentation tank in real time.

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 utility model provides a soybean meal classifying screen which solves the technical problem that the quality of feed is too low due to the fact that bad beans are not removed when soybean meal is classified at present. Comprising a filter box body, multiple layers of filter screens arranged at intervals in the vertical direction and a supporting frame arranged at the bottom of each layer of filter screen, the filter screens are located in the filter box body, the supporting frames are connected to the inner wall of the filter box, the supporting frames are larger than the filter screens, and the filter box is provided with a feeding pipe and a liquid inlet pipe; the driving assembly is connected to the filter screen and drives the filter screen to reciprocate in the horizontal direction; the drying box is connected to the filter box body and comprises a drying box body and a plurality of nozzles arranged in the drying box body, the nozzles are connected with an air source, and an electric heating wire is arranged on the inner wall of the box body; the recycling box is connected to the filter box body; and the grading box is connected to the drying box body, a screen is arranged in the grading box, the drying box body is provided with a first discharging pipe located above the screen and a second discharging pipe arranged below the screen, low-quality beans are screened out, and the quality of finished products is improved.

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.

The invention provides a method for detecting nine antipyretic and analgesic drugs in feed, and belongs to the field of food safety detection. The method comprises the following steps: pretreating a feed sample to obtain a sample to be detected; detecting the nine antipyretic and analgesic drugs in the to-be-detected sample by adopting a liquid chromatography-mass spectrometry method; the nine kinds of antipyretic and analgesic medicines are antipyrine, phenylbutazone, acetaminophen, analgin, naproxen, diclofenac, indometacin, aspirin and ibuprofen. According to the pretreatment method provided by the invention, the problems of tedious steps, long consumed time and low accuracy of a detection result can be improved. By adopting liquid chromatography-mass spectrometry, simultaneous determination of multiple types of drugs can be realized, qualitative and quantitative analysis of multiple drugs can be rapidly and accurately completed in a short time, the timeliness requirement of actual detection is met, and the method can be used for feed quality safety monitoring.

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 invention discloses a soft-shelled turtle breeding feed putting device, and relates to the technical field of soft-shelled turtle breeding equipment. The soft-shelled turtle breeding feed putting device comprises a breeding box, sliding ways are fixedly connected to the left side and the right side of the breeding box, a sliding door frame is slidably connected to the tops of the sliding ways, an electric control cabinet is fixedly connected to the right side of the sliding door frame, and a circumferential feeding mechanism is fixedly connected to the top of the sliding door frame; the circumferential feeding mechanism comprises an upper box body, a lower box body and a rotary discharging plate, the upper box body is fixedly connected to the top of the sliding door frame, and the lower box body is located at the bottom of the upper box body. According to the soft-shelled turtle breeding feed putting device, by arranging the cleaning baffle, the circumferential feeding mechanism, the comprehensive cleaning mechanism and the circulating cleaning mechanism, the utilization rate of feed is increased, soft-shelled turtles in the breeding box are covered and fed by the device, the feed is prevented from being polluted, and the cleanliness and feeding quality of the device are improved.

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 discloses an automatic additive feed feeding device specially designed for fattening ruminants. The device integrates an advanced automatic control system, realizes automatic mixing of feed and additives through accurate metering and intelligent proportioning, greatly improves the mixing efficiency and accuracy, and ensures the stability and consistency of feed quality. An efficient stirring and mixing mechanism is designed in the device, so that uniform distribution of the additive in the feed is ensured, and the problems of nonuniformity and errors in manual mixing are avoided. In addition, the device is further provided with an accurate flow control and monitoring system, the feeding proportion of the feed and the additive can be adjusted in real time, and resource waste is effectively reduced. The whole system is compact in structure, easy and convenient to operate and easy to maintain, the production efficiency and economic benefits of a farm are greatly improved, and powerful guarantee is provided for rapid and healthy weight gaining of ruminants.

The invention relates to the technical field of animal breeding, and discloses a control system and method for intelligent nutrient preparation, the system comprises an acquisition unit, a processing unit and an adjusting unit, the acquisition unit is configured to acquire animal state data in a preset area, and the processing unit is configured to process the animal state data in the preset area; preliminarily determining a preliminary protein ratio of animal protein to plant protein in the nutritional agent according to an animal growth stage; according to the number of animals in the preset area, determining the initial total feeding amount; the processing unit is configured to determine the final total discharging amount and determine the initial water consumption according to the final total discharging amount; the processing unit is further configured to adjust the initial water consumption according to the environment temperature and determine the final water consumption; the adjustment unit is configured to determine a final protein ratio. By monitoring breeding data in real time and dynamically adjusting a feed formula according to animal health conditions and environmental changes, stable feed quality is ensured, nutritional requirements of animals are met, and healthy growth of the animals is promoted.

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 utility model provides a rat-proof device of a bait casting machine, and relates to the technical field of bait casting machines. The rat-proof device of the bait casting machine comprises a bait casting machine body, installation mechanisms are arranged on the two sides of the bait casting machine body, a protection mechanism is arranged on one side of the bait casting machine body and comprises a connecting rod and a baffle, the connecting rod is installed on one side of the bait casting machine body, and the baffle is fixedly installed on one side of the connecting rod. The rat-proof device of the feeding machine solves the problems that when an opening of a feeding port of an existing feeding machine is too large or food residues exist around the feeding port, rats are likely to be attracted to enter the feeding machine through the feeding port, consequently, feed is polluted, the feed quality is reduced, the normal feeding function of the feeding machine is possibly affected, feeding is uneven or the feeding amount is inaccurate, and the feeding efficiency is high. The feeding machine has the beneficial effects that the feeding port can be shielded and protected, and the situation that the rats enter the feeding machine through the feeding port, consequently, feed is polluted, and the aquaculture effect is affected due to the fact that the rats steal the feed is avoided.

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 utility model relates to the field of feed processing devices, and discloses a feed screening device for feed processing, which comprises a dust cover, the middle end of the top side of the dust cover is fixedly connected with a dust suction cavity, the top side of the dust suction cavity is fixedly connected with an air suction hose, and the bottom end of the right side of the air suction hose is provided with an air blower. A treatment room is fixedly connected to the bottom side of the dustproof cover, a plurality of filtering holes are formed in the bottom side of the treatment room, limiting blocks are fixedly connected to the left end and the right end of the bottom side of the treatment room, and the interior of the limiting block on the left side is in threaded connection to the outer wall of a two-way screw rod. According to the multi-stage screening device, feed of different particle sizes is separated, the efficiency of screening the feed is improved, digestion and absorption of animals are promoted through multi-stage screening, the utilization rate of the feed is improved, harm to the respiratory tracts of the animals is reduced, respiratory diseases of the animals are reduced, the breeding cost is reduced, and the feed quality and the digestion and absorption efficiency of the animals are improved. The waste of the feed is reduced and the growth performance of animals is improved.