The presence of such varied sources of protein meant that there was little use for domestic animals for meat (only turkeys and dogs were kept), and scholars have calculated that there was no shortage of protein among the inhabitants of the Valley of Mexico.
Berkat tersedianya berbagai sumber protein, mereka tidak terlalu memerlukan daging hewan-hewan yang telah didomestikasi (mereka hanya punya kalkun dan anjing), dan para ahli telah memperkirakan bahwa penduduk di Lembah Meksiko tidak kekurangan protein.