mtDNA and Tregonwell's Natural Barbhttp://cs.bloodhorse.com/blogs/truenicks/archive/2014/10/20/mtdna-and-tregonwell-s-natural-barb.aspxThe Bruce Lowe #1 family of Tregonwell's Natural Barb is one of the more populous in the Thoroughbred breed. But exactly how much is actually from the same mare? Mitochondrial DNA gives us the answers.enCommunityServer 2007.1 (Build: 20917.1142)