In exchange, he guarantees an above-market price for each animal and a calf-to-customer electronic eartag ID system like that used in the European Union.
The tag records the procedure info of its origin and growth, with each eartag targeting one live pig.
记录了它的产地、生长发育的过程信息，每个电子耳标标识唯一一头生猪。
3
But the data in the electronic eartag for swine can be illegal access or be tampered because the electronic eartag for swine is short of security measures.