100 to 150 pounds, sometimes more depending on sex and build. So that tiny brown puppy that currently fits in two hands may one day be a massive chocolate-coated dog draped across your entire entry rug.
- Whether the brown color affects health
The coat color itself is not a health diagnosis. A recessive brown coat gene does not automatically mean the puppy will have special medical problems because of the color alone. The real health concerns in Newfoundlands are the same ones responsible breeders already watch for: cardiac issues, orthopedic disease such as hip and elbow dysplasia, cystinuria in some lines, and overall soundness and temperament.
What matters much more than coat shade is breeder practice. Puppies should be weighed daily in the first week, monitored for nursing strength, checked for steady gains, and kept in a clean, temperature-controlled whelping area. In our setup, I keep the room around the