Steward of species

A Rocheport farmer tends to a herd of heritage breeds in danger of extinction
Monday, May 28, 2007 | 12:00 a.m. CDT; updated 3:25 a.m. CDT, Tuesday, July 22, 2008

Everything on Bill Heffernan’s farm is old: the wooden barns, the rusty wagons; even the animals are ancient breeds.