Farmville Pigpen Expansion is here

Farmville Pigpen Expansion is here, its slowly being rolled out to all farmers. You can now place upto 40 Pigs to your pigpen after expanding it.

Farmville Notification says “Pigpen expansions are here! Ask your friends for boards, bricks, and nails to expand your Pigpen and hold up to 40 pigs! The more pigs you have in your Pigpen, the more truffle hunting you can do! Expand your Pigpen Today!”
To expand your pigpen you will require 12 of each of Nails, Wooden Boards & Bricks.