The Kuvasz should be brushed on a regular basis all the way down to the undercoat. This will remove excess hair during shedding, and will keep the hair free from mats. This breed does best in colder climates mentally, and physically. In warmer climates, the Kuvasz tends to shed quite a bit all year round, while in cooler weather, he sheds seasonally.
New dog owners, much like new parents, often have trouble deciding when it is necessary to seek medical attention for their dog or new puppy. The most basic rule of thumb is, if your dog is displaying behavior uncharacteristic of his normal actions, call the Vet. When is it time to see the Vet?