I have to be honest with you, Eukanuba is really not a very good quality dog food and he probably is not getting enough nutrition.
Please check out this site:
www.dogfoodanalysis.com
Try to find a food that is a 5 or 4 star rating. The 6 star foods are way to high in protein for our little ones.
I am feeding Canidae Dry Food.
VERY GOOD QUALITY
Here is the site:
www.canidae.com
Other Great Foods are:
Merrick
Solid Gold
Wellness