Large Black Heritage Pig Breed Eating them to Preserve them! Recently, chefs have discovered the rich and complex flavour of heritage pork and the older breeds are making an amazing comeback. First to be adopted by fine restaurants was the Berkshire, and more recently the Tamworth and Large Blacks. These breeds do not meet the commercial criteria for quick growth under intensive management; however, their slow growth and adaptability to pasture management make them easy keepers that produce ...