http://starwarsgalaxies.station.sony.com/recent_updates.jsp?page=Recent%20Updates
The pertinent creature and pet changes/additions are as follows:
Lots of other things have changed with this publish! Be sure to visit the above link for more info!
Oh yeah! Milk was also added with this patch! I have added it to the harvests area of creatures so be sure to help out by updating creatures if you find they have milk!
I have also added Milk as an advanced search option!