Prized because of the Japanese who imported it as "Kurobuta" pork, the Berkshire is identified by six white spots for the tip of its feet, nose and tail.Pork loin roast is typically bewildered with tenderloin, but they aren't exactly the same. A pork loin roast is often marketed in items weighing 2-4 lbs . even though the tenderloin is really a sca