How did the Vallhund's low carriage specifically benefit its primary ancestral role of herding cattle?

Answer

It allowed them to nip at the heels without getting kicked in the head

Their low stature enabled them to work effectively by nipping at the heels of cattle to move them along while minimizing the risk of injury from being kicked in the head.

How did the Vallhund's low carriage specifically benefit its primary ancestral role of herding cattle?
DogancestrybreedCanineSwedish Vallhund