What is the likely average size outcome when an Aussiedor is bred back to a purebred Australian Shepherd?

Answer

The resulting litter will yield a smaller average size

If an Aussiedor is bred to a purebred Australian Shepherd, the resulting litter is expected to have a smaller average size compared to the standard F1 mix.

What is the likely average size outcome when an Aussiedor is bred back to a purebred Australian Shepherd?
sizeDogbreedaussiedor