We have some old Cotton bulid blood back in some of our dogs true Sorrels Red Jerry and grenshaw s stu Fowler . it was bred in bij a german guy way back in the eurly 80,s of the previus century. into some very very inbred alligator x rufus x heinzl blood of the day tru Dragons Famely Ringo.. very contende with that shot of that blood as it was a great catalist in that very imbred ring blood..