No, it's not a DQ but I know of a dog's show career that was ruined because someone had a problem with a bitch that won that happened to be a bit on the smaller side. The next day, the whole class was wicketed and while the bitch wasn't DQ'ed, she never won again.
Judges talk and there is no doubt in my mind that this bitch was discussed. Even the judge who had awarded this bitch with a Group 1 previously and had raved about her, wouldn't even look at her again.
