my dog s weight

Question
I have a pure breed Labrador 5.5 years old.I would like to know how much should he weight on avenge.

Answer
Averages mean little.  There is a simple way to determine his ideal weight.  Your dog definitely should be narrower at the waist than the hips and chest. You should be able to easily feel the ribs, but not see them. Each dog is different. Standard recommendations are a good place to start, but each dog must have its food and exercise adjusted to its individual needs. Here is a link to a good illustrated guide, http://www.longliveyourdog.com/twoplus/RateYourDog.aspx