Thursday, December 30th, 2010 Market steady  Monday and Thursday sales at 12:30 Alfalfa sold steady, grass weak.      MIXED HAY SIZE  LBS          $/Ton lgrds  15300      97.50 lgrds  15400      97.50      BEDDING SIZE  LBS      $/Ton 3x3s  straw   28.00/72 smsq  straw  3.50/315 SOLD BY WEIGHT: lgrds  straw  30820   70.00 lgrds  …