Procedure could improve aging dog's health

Published On: Jan 30 2013 10:26:35 PM CST   Updated On: Jan 30 2013 11:27:11 PM CST

Jan. 30, 2013: A few months ago, an Australian cattle dog named Layall was barely able to stand. Now, he's pulling his owner down the street, all thanks to a new procedure. Lauren Freeman reports.