Cow are the symbol of industry in Chinese culture. In ancient times, Cow were used to pull plows to prepare land. Later, people knew that Cow had great strength and began to have various applications, ranging from farming, transportation and even military use.

Cow are regarded as sacred animals in Hinduism, because the early farming in Ganges River Basin depended on the strength of Cow. Cow dung is also an important fertilizer. Cow represent the survival and vitality of the Indian nation.

There are festivals related to Cow in many places, such as the Saint Fermin festival in Spain and the cow worship festival in Brazil and Nepal. Because farming Cow is an important productive force, in agricultural society, the number of Cow used for farming is often one of the criteria to measure a person's wealth. In ancient China, the sacrifice of Cow, sheep and pigs was called Tailao, which was the highest standard sacrifice.

Source: @patrickdillinger