The thick, medium - to - long double coat does shed, so this breed needs daily to weekly brushing to collect loose hair and keep skin healthy. (soonervet.net)
The Newfoundland has a fairly long double coat that may be wavy or straight. (petpremium.com)
Shih tzus can come in a number of different colors and markings, but all purebred shih tzus have a distinctive long double coat and reach maturity at a predictable age. (dogcare.dailypuppy.com)