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Man you really like asking the hard ones, don't you??? My educated guess after perusing pedigrees of all three and comparing them to some silver brown duns that I KNOW are heterozygous for DP is that the bottom two may be homozygous for DP and that the top girl may not have DP at all.

Anarachnid's body is much paler in color than the other heterozygous DP silver brown dun kids I could find, even those with only one Ssty. While her legs are quite dark, I feel it's more likely that she missed out than that she's carrying. Obviously future breedings may show me to be wrong!

Your bottom two are quite similar in shade, though I would want to look at the filly next season with her adult coat to be sure. She may be a touch lighter than the stallion. I am inclined based on the really rich, deep dappling, the dark golden brown of their bodies and the rich dark chocolate brown of their points to call these guys homozygous for DP. They are much much much darker than the testers I know are heterozygous for DP. But again I may be wrong and you will have a better idea after breeding them a few times.

I definitely think the two on the bottom are homozygous. I dont know for sure but theyre pretty dark.

Anarachnid's sire is(was) a carrier. Its hard to know because the liver foals by him you can't tell who passed on the gene because was bred to another DP carrier. However he did give me one homozygous mare actually my first homozygous DP mare I ever bred! Shes a silver brown dun I think. So its very possible shes a carrier especially if that foal IS homozygous!

Gorgeous, I agree with the other two, the bottom two may be Homozygous.