Sanqi should stand for "sheep". There is a crossword puzzle called "Chinese Zodiac, Sanqi is the best". In this sentence, Sanqi should refer to "sheep", because "three yang brings happiness to Thailand", in which "yang" and "sheep" are homophonic.

Sanyang Kaitai means that exercise leads to the rise of yang, which is good for and joyful for the rise of yang. This word also appeared in the five-bird play written by Hua Tuo, a famous doctor in the Three Kingdoms period. There is a wise saying: "When you shake, the valley disappears, the blood circulates, and you don't get sick." So "Zodiac, Sanqi is the best" means sheep.