This is due to parasitical infestations dermatological infections and dog hair being a breeding ground for bacteria.
Dogs coat is matted.
Mats not only make the coat look disheveled they actually add to a dog s distress and cause skin irritation.
The author of the grooming industry reference guide notes from the grooming table has cleaned up dogs with fur so matted that the only solution was to cut off the entire coat which falls away in one piece like a pelt she says.
That degree of matting is extreme but all dogs can get tangles and knots in their fur.
Sometimes the only way to assure that the dog has been brushed thoroughly is to go over the entire body with a metal comb.
Problems with matted dogs.
Ignoring matted fur in your dog and not maintaining a healthy coat can lead to problems with hygiene in turn posing significant health risks.