"If left untended, the hair on a PWD will keep growing indefinitely. Problems associated with this include the hair around the eyes growing so long as to impede vision, and matting of the body hair, which can cause skin irritations. For these reasons, PWDs must be trimmed about every two months and the coat brushed every other day." [1] [2]

  1. ^ "Portuguese Water Dog Club of America". {{cite web}}: |archive-date= requires |archive-url= (help); Cite has empty unknown parameter: |dead-url= (help)
  2. ^ "Wikipedia: Portuguese Water Dog". {{cite web}}: Cite has empty unknown parameter: |dead-url= (help)