"It should be emphasized that the Ramah�s ruling is certainly legitimate and, in theory, non-glatt meat, if inspected properly, is 100% kosher for Ashkenazim. Today, the OU (and most other kashrut organizations in the U.S.) will only certify meat that is glatt, albeit not necessarily glatt Beit Yosef.
" from young animals must be glatt Beit Yosef, even for Ashkenazim."