Sacrificing ancestors became the most important thing in ancient people's lives, and most of the sacrifices were carried out at home. Because pigs are the cheapest animals among domestic animals and relatively cheap meat, they have become the most important and commonly used sacrifices.
Second, the pig is a symbol of stable life and family wealth.
Among the six animals, the pig is one of the earliest domesticated animals. For the ancients, captive pigs could provide stable and rich food for families, so raising healthy pigs became a symbol of settled life.
In addition, in ancient times, pigs were not only used for food, but also important material assets of families. The more pigs a family owns, the richer it means. Therefore, a family does not need to raise cattle and horses. As long as you can raise a lot of pigs, it means that your family is already rich.
Third, the pig symbolizes the prosperity and happiness of the family.
In ancient times, due to backward medical technology and poor fertility, the population was very sparse. Pigs are very fertile and can give birth to more than a dozen piglets at a time. Moreover, pigs are not picky eaters and are easy to raise. The reproduction of pigs means that families are prosperous and children are in groups, which is also people's yearning for family prosperity.
Moreover, the word "tapir" under the word "home" looks like a mother pig lying down to feed her piglets, which is very warm. It is figuratively likened to a family, and the wife and children surrounded by it are as happy and warm as a pig mother's nursing.
Home is a place to live and work in peace. There are both people and pigs at home. People live in harmony with animals. You can make a living by yourself, do something, earn some money and have a bite of meat suitable for all ages. This is a home.