It can take 3 months or more for a full coat to grow back in.  A premium diet is key to a good coat – I recommend you go grain-free too.  Most dogs don’t digest grains well, and grains can impact their immune system enough that they will develop allergies (usually allergies don’t appear until the dog is 2 years old or more, but why not take measures now to help keep your dog in tip-top condition?). Go to a good pet store (not a grocery store or big box store) and ask to be shown to the grain-free dog… Read more »