Solution

1 animal food traceability system


1.1 animal food traceability process and information model


Animal food safety traceability system, including from "farms" to "consumers" in many aspects, mainly: farms, transport logistics, slaughterhouse, logistics and warehousing, supermarkets and consumers 6 links, the composition of the traceability process and The matching information model shown in Figure 1.



Figure 1 animal food traceability process and information model

In order to ensure that consumers trace the entire process from the table to the farm, the animals need to be labeled according to different labels in the six links of FIG. 1, and the information in the identified and managed animal food management and records in each link .

1.2 The basic framework of traceability system


The data of traceability system is gradually generated in many aspects of the animal food production process and added to the traceability system in the corresponding links. The storage and management of a large number of types of traceability information can not be achieved simply by identifying labels. The combination of labels and data centers is required to meet the complicated requirements of information management in traceability systems. Through the labeling technology for animal food processing links in each part of the unique identification, as shown in Figure 2. In each process, a corresponding information management platform is set up. The platform collects the information of each product in the process and collects it in the food safety data center. In the whole process, there are government specialized agencies to supervise. Consumers can query the data center according to the label of the product to all the production processes and key information that the product has gone through. The manufacturer of any link can track the product upwards and downwards through the system. The government can use the information of the data center Establish an automatic food safety monitoring platform.


2.1 farms


After the farm animals are born, the farm management platform generates a unique "production identification code" and registers the information in the food safety data center to establish a database of individual livestock information. Livestock in the breeding process of batches, feed, immunization, quarantine and so on were recorded through the management platform in the food safety data center. As the two-dimensional bar code is easily contaminated and livestock is easily damaged during livestock breeding, it is not suitable for multiple labels to be entered at the same time. Therefore, breeding links, suitable for RFID tags as a "production identification code" carrier, each RFID tag and "production identification code" in the data center one by one. Integrated livestock breeding time and life expectancy of inorganic RFID tags, the use of inorganic RFID tags for livestock more than a year breeding, organic RFID tags for livestock less than 1 year old. Organic RFID tags or inorganic RFID tags can be used at the breeding link as needed. Although inorganic RFID costs are higher than organic RFID tags, the added cost is acceptable for large animals due to the limited number of animals in the breeding period.


2.2 logistics and transportation


In the logistics and transportation, through the logistics and transportation management platform in the food safety data center registration of logistics enterprises basic information and logistics of the basic situation. At this point can still follow the RFID tag farming section as a management of the only logo.


2.3 slaughterhouse


There are a number of production processes in the slaughterhouse, which can monitor the production process according to the identification of the livestock. Each link is registered in the data center through the slaughterhouse management platform. The animals in the slaughterhouse are slaughtered and divided. The pre-segmentation management platform reads the "production identification code" of the meat to be divided and generates a plurality of "slaughter identification codes" according to the quantity to be divided, each slaughter identification code corresponding to the corresponding segmentation site such as head, loin, liver, etc. . "Slaughter identification code" and "production identification code" in the data center to register and establish correspondence. The "slaughter identification code" is then tagged onto the label as a unique identifier for a particular part of a particular livestock. Through the "production identification code" can be traced to the split meat, through the "slaughter identification code" can be traced back to the animal before segmentation, completed the animal from the whole to the meat traceability of the transfer and transmission.


After the segmentation of the meat, each part needs the label to carry on the label, needs the label quantity to be relatively many, uses the inorganic RFID label to bring the extremely big cost burden, therefore only can carry on the tracking management to the batch, is difficult to split Of meat for individual tracking management. The use of low-cost organic RFID tags or two-dimensional bar code can be a good solution to cost issues. However, the reading of two-dimensional barcode is limited and it is not suitable for automatic reading of the identification code in multiple production processes in the slaughterhouse. Moreover, the two-dimensional barcode is susceptible to contamination and is not suitable for slaughterhouse needs. Given the short slaughter cycle, organic RFID life can meet the needs of this aspect. Organic RFID tags with environmental adaptability, cost, read the advantages of such aspects, in slaughtering, segmentation can play an irreplaceable role.


2.4 warehouse logistics


Based on the analysis in 2.3, the "slaughter identification code" is used to manage the information in the logistics and storage. Through the management platform, we can summarize the basic information of logistics, the basic information of warehousing, the logistics temperature of multiple time nodes, the storage temperature and so on, so as to realize the individualized process management of animal food in the part of logistics and warehousing.


2.5 supermarket


Meat is continued in the supermarket division. The supermarket management platform reads the "slaughter identification code" of the organic RFID tag identification, and automatically generates multiple identification codes according to the division. "User ID" and "Slaughter ID" register in the data center and establish the corresponding relationship. "User ID" is marked on the label. The number of "user identification codes" is very large. Because of the cost, inorganic RFID tags can not be used, and only two-dimensional bar codes or organic RFID tags can be used. At this point two-dimensional bar code and organic RFID tag does not exist obvious advantages and disadvantages, according to the user's habits to choose from.


2.6 consumers


Consumers according to the supermarket to provide users of two-dimensional bar code or organic RFID tags can be found through the public inquiry system to the product "user identification code." According to the "user identification code" can be found in the supermarket information, and can be traced back to the "slaughter identification code." According to "slaughter identification code" can be found in the transport of meat, storage information, meat production information in the slaughterhouse, and can be traced back to the meat "production identification code." From the "production identification code" can check the transportation of livestock sales information, feeding various aspects of the link. Consumers can trace the entire meat production process from the end product.


Depending on the characteristics and needs of the different stages of meat production, various labeling technologies have particular applicability, as shown in Table 2.





















3 Conclusion


Organic RFID tags have the advantages of being easy to use and easy to use with inorganic RFID tags and low cost like two-dimensional bar codes, which are inferior to inorganic RFIDs in terms of read speed, capacity and service life. However, in the application of animal food traceability process , These features are not necessary for every step, which provides an active role for low-cost organic RFID tags.


Animal food safety traceability system, including the main aspects of the farm, transport logistics, slaughterhouses, logistics and warehousing, supermarkets and consumers, according to the characteristics of each link and its labeling technology requirements, organic RFID is expected in the slaughterhouse, transport warehousing In the replacement of inorganic RFID, shorter breeding time for animals, but also in the farming and logistics and transportation links using organic RFID, and in the supermarket link optional organic RFID or two-dimensional labels. The use of organic RFID will greatly reduce the cost of animal food traceability, thereby promoting the widespread use of animal food traceability technology.


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