What reliance must one place upon in the absence of specific genetic testing data for the Koolie mirroring the Kelpie study?

Answer

The documented history of introduction from colonial-era sheepdogs

Without specific genetic testing confirming admixture, reliance must fall back on the established history centering on the introduction of European working stock.

What reliance must one place upon in the absence of specific genetic testing data for the Koolie mirroring the Kelpie study?
DogbreedancestorKooliedingo