User blog comment:Ackermann/Breeding Sheep/@comment-65.31.160.150-20110412024845/@comment-3521548-20110416195820

There is away around the 100. Remove all your sheep from the Pen. Delete the Pen. Place a new Pen down and you now have an extra 100. The original sheep that you breed from the old Pen will no longer count towards your 100 for that Pen.