Labs are generally healthy but can be prone to hip and elbow dysplasia like many big dog breeds. (wideopenpets.com)
They need a higher number of calories per pound of bodyweight than big dog breeds because they burn through fuel more quickly. (pawster.com)
While big dog breeds may not burn through calories as quickly as their smaller counterparts, they still need a lot of protein to maintain their lean muscle mass. (pawster.com)