By 1910, there were already 107 registered members of the breed. There is a photo of a working Bernese Mountain Dog, dated 1905 at the Fumee Fall rest area in Quinnesec, MI. Bernese Mountain Dogs shed year-round, and the heaviest shedding is during seasonal changes. Usually the Bernese will only require a brushing once a week, with more in spring and fall, to keep its coat neat and reduce the amount of fur on the floor and furniture. Bernese Mountain Dogs shed year-round, and the heaviest shedding is during seasonal changes. Usually the Bernese will only require a brushing once a week, with more in spring and fall, to keep its coat neat and reduce the amount of fur on the floor and furniture. The Bernese will only require a bath about once every couple of months or so, depending on how high its activity level is and how often it spends its time in the dirt.Special attention should be paid to the ears of the Bernese Mountain Dog, as they can trap bacteria, dirt, and liquid.