Cats
It is an "aquired depigmentation" that occurs during the cat's
lifetime, is usually progressive and may be triggered by illness or environmental factors.
Ultimately, a cat with leukoderma may become almost entirely white. Antibodies are formed
against the pigment-producing melanocytes. The melanocytes are destroyed leading to the
white areas. A type of leukoderma has been identified in some Persian cats and these are used
as laboratory subjects in the study of depigmentation conditions. Periocular leukotrichia,
causes the fur around the cat's eyes to become pale - as though the cat is wearing spectacles.
Vitiligo in a big cat - the "cobweb panthers" that turned progressively white.
Charva with feline vitiligo (Jason Reeves).
"Charva" (Jason Reeves) has vitiligo; she was a black cat with patches of slightly
longer/softer black hair. In 2009 she turned 4 and developed a patch of white hair. Since then
the patches of white have turned into stripes, spots, and patches