i understood there were 10 officially recognised rare breeds in Britain, British Lop by far the rarest closely followed by Middle White. The 8 others are British Saddleback, Tamworth, GOS, Large Black, Berkshire, Welsh and Large White. OSB has only very recently been recognised as pre4viously it did not breed true. whilst the mangalitza is not of British origin (Hungarian) it is likely that most lines can be traced back to include some of the now extinct Lincolnshire curly pig which was british