What key environmental advantage made Cavia tschudii suitable for domestication where large livestock struggled?

Answer

They were native to high altitudes

Since wild Cavia tschudii are native to high altitudes, they were perfectly suited to the challenging Andean environment where large domesticated animals like cattle or horses could not easily thrive.

What key environmental advantage made Cavia tschudii suitable for domestication where large livestock struggled?
animalOriginguinea pigPeruvian