Farmfresh
City Biddy
If you are using a regular electric fence charger you really shouldn't have to worry about the birds getting hurt by the wire. Sure they might get a zap but it won't harm them. My meat birds are fenced in by an electric poultry fence. Works great!!
http://www.premier1supplies.com/poultry/species.php
http://www.premier1supplies.com/poultry/species.php