>>99892030not serranos (highlanders) but the black population of Chincha
presumably, because they couldn't afford much variety of food in the colony, the town originally was a village composed in his totality of fugitive black slaves, many turned themselves into raiders for a living, it was a very feared place in colonial times, so they didn't have much commerce going on
although the cat-eating custom was forbidden since some years ago, probably it's still practiced in unregulated parts of Chincha