I'd bet the deer are still using that same area, but just another part of it. I have the same thing happen to me all the time. Cattle move in, and the deer just start using another trail. They always stay in that same area though. Something attracted them there to start with, so they'll keep coming back. They are used to seeing cattle.
2006 Rytera Bullet X 60#---2008 Moab 70#
2008/12 Firecat 60#--- 2010 Warthog 70#
2010/2012 Alien X 65# 2011 Onzas 60 & 70#
2009 Warthog 70#---2009 Firehawk 70#
2010 Strother SR-71 65# & 2012 Strother Rush 65#
I hunt, therefore I eat. lol