Criollo sheep of the Americas: the Churra flock and what it cost the maize fields

Merino wool was too valuable to export, so the sheep Spain shipped west was the coarse-wooled Churra - and five centuries later the Navajo-Churro is still genetically indistinguishable from it. The same flocks ate the fields of the Indian towns, and the law of the Indies answers with a measured distance, a forfeiture, and the right of any Indian to kill livestock found on his land without penalty.