hi from what i know the ruffian bloodline is an old red nose pitbull bloodline as far as i know that's what it is ,also check out the blue poll terrier suposed to be the start of the blue nose pitbull
its the bloodline of the pitbull.
It is a well stablished pitbull bloodline.
Brujo is a backyard bloodline.
I think you are refering to the angus kong wich is not regirted as a pitbull bloodlines. If you are looking for a good bloodline pitbull go for the colby bloodline.
I truly believe that the Kadaris bloodline is a real pitbull bloodline bred in some country in Europe or the Netherlands and some dogs could have gotten to the United States.
Mixing a pitbull with another pitbull no matter the strain, will not ruin the bloodline as so.
Daddy is an adopted pitbull so we can know the bloodline. It belongs to Cezar Milan.
Lines: WATCHDOG AND RUFFIAN. They stand up to 140 pounds.
old family is a registired pitbull bloodline apbt, since the last twelve years breeding and perfecting the bloodline staying true to the conformation rules.
Rednose pit
If you are the "size matters" type then the Ghotti bloodline is a good choice.
I have heard Mayday bloodline well recomended.