How old is your Mountain Dew bottle it has raised letters on the neck an body?
It is circa 1940.
Generally, yes. Bernese Mountain Dogs are somewhat large and tend to have longer, thicker fur which enables them to conserve body heat better. However, dogs are a bit like people and are acclimated to the climate where they were born and have spent their life. A Bernese Mountain Dog born and raised in a warm climate may not take as well to cold climates as one that was born in and/or has lived an area…