| Type | MGI:General | Description | from the front region, by age of 20-30 days, the weak, underdeveloped sparse hairs are lost the pups remain completely lacking of hairs during the following 4-5 months, another 2-3 growth waves of sparse fuzzy hairs occur; then the adults remain without a coat with the exception of a perinasal tuft and some short hairs at the tail base |