In fact, the ear tag on the pig's ear has the same function as our ID card. The ear tag on the pig's ear is mainly to trace the growth process of the pig all the time. An intelligent electronic tag classifier is mainly used in animal husbandry and aquaculture. It is used on pig ears in domestic pig industry, and it is convenient to fix and disassemble, so it is also called pig ear tag.

Pork can provide high-quality protein and essential fatty acids. Pork can provide heme, organic iron and cysteine, promote iron absorption and improve iron deficiency anemia. Pork has the effects of moistening stomach, promoting fluid production, invigorating kidney and qi, and clearing away heat and toxic materials.