What dictated the Vallhund's appearance over centuries before any official registry existed?

Answer

The owner’s need for a reliable, versatile farm helper

The breed's look was primarily dictated by function—the owner's need for a reliable farm helper—making the local environment the initial editor of the breed standard.

What dictated the Vallhund's appearance over centuries before any official registry existed?
DogancestrybreedCanineSwedish Vallhund