Saarloos mixes by "Crying Wolf" kennel (CSV red colored)

[Nebulosa]

Originally Posted by yukidomari

What I am asking is, which dogs can be TESTED by DNA and be useful to solve this puzzle, not just those which are said to be affected litters?

We need the blood of Dvorak, the red Saarloos and possible father of these litters, to compare in paternity test with its possible sons (dogs which had red or "saarloos looking like" pups).

Of course praying that there was only Dvorak at Edith kennel, and no other Saarloos.