Pig neck bone can be eaten, but the taste of pig neck bone is poor. Grooved meat refers to the neck meat at the joint of pig head and trunk. A 200 kg pig has 10 kg of tank head meat. There are many trachea and blood vessels in this part of the pig, as well as lymph nodes. For the elderly and children, don't eat too much, especially if it goes bad.

Even in the land of China, as early as the matriarchal clan commune, pigs, dogs and other domestic animals have been raised. The pottery pigs unearthed from Hemudu Neolithic cultural site in Yuyao, Zhejiang Province are very similar in shape to domestic pigs, indicating that the embryonic form of domesticated pigs existed at that time.