Minecraft – Can you make chickens follow you on the Xbox

Unfortunately, the Xbox edition is behind in updates from the PC version, it is comparable to version 1.0.1 (PCs are on 1.4.7 as of the time of this post). It seems that for the most recent version on the 360, sheep will not eat grass nor will they grow their wool again.

You'll have to start up a big breeding bay you were talking about for the sheep after all.

Slabs can only be placed horizontally. They can be placed either in the "bottom" or "top" half of the space a full-sized block would occupy, but not vertically in the "left/right" or "front/back" halves of a block's volume.

From the wiki entry:

Slabs are half-blocks. Upside-down slabs occupy the top half of their block space rather than the bottom half. To place a slab upside-down, right-click on the bottom of a "ceiling" block, which can be removed after the slab has been placed, or by right clicking the top half of another block, if the player wishes to place it on the side of another double or single slab block.