Why not? It's just cultural conditioning as to what is acceptable to eat and what is not.
People in many cultures -- including China -- eat pork (pig/swine) and it is forbidden in other cultures -- the Arab Muslims and orthodox Jews.
It's hard for most Western Europeans and North Americans to accept, but dogs are just another edible animal. Ditto cats and horses.
Caesar, this is not proper.
CAESAR (recovering his self-possession):
Pardon him, Theodotus; he is a barbarian, and thinks that the customs of his tribe and island are the laws of nature.
Caesar and Cleopatra, Act II -- [George Bernard Shaw]