Published on Friday, December 4, 2009 by katherine This guest post is brought to you be Dog Fence DIY's staff veterinarian Dr. Susan Wright. Dog Fence DIY will help you choose the right pet containment system for your pet, help you install it properly, and help train your pet to use the new system. Dog Fence DIY has a variety of electric dog fences at the best available prices.  You may have heard of probiotics. ...