and BTW- Kobe and Wagyu are marketing terms as well. Wagyu just means "Cattle" in Japanese but there are a few breeds out there that people have brought over here to cross with Hereford, Angus etc. There may be very little "Wagyu" left in the current herd but some of these boutique guys really produce some spectacularly marbled gorgeous beef.
Kobe...well read this if you want to know the truth about american Kobe:
http://www.thekitchn.com/kobe-beef-f...-forbes-170268