Originally Posted by Cajungator26

Besides the subject horse, what other horses in his close genetic background show a disposition to quarter cracks? Also, has it been proven that a tendency to quarter cracks can be passed along? I know that his line is filled with unsound horses, but I'm not convinced that quarter cracks can be passed along. If anything, Big Brown will have problems passing on any genes at all ... his sire had been documented as having fertility problems and Danzig didn't have the easiest of times either.