for the complete list of carriers, you need to access to the ACPS magazine-you will find further results reported in the magazine (the list on blog spot is only self-reported). All stallions are tested as part of registration. Honestly, the results were surprising and the list is still growing nevertheless there are a few stallions still standing whos results are not listed. At this point most breeders in the US/Canada have their stock tested. We are microchipping ours in hopes of linking that information with them. I would encourage others to do so as well.
The other thing people need to realize that the actual allele responsible for HWSD has bee around since before the Stud Book was incorporated.
You might also want to have a look at this: https://docs.google.com/spreadsheets…#gid=790131007
) baby pictures!