The mites ''Demodex criceti'' and ''Demodex aurati'' can have a reasonably high infestation level without clinical signs. Both mites are often found together, although ''Demodex criceti'' is considered to be non-pathogenic. Increased incidence has been reported in males an older animals and also as a secondary condition to malnutrition or concurrent disease. | The mites ''Demodex criceti'' and ''Demodex aurati'' can have a reasonably high infestation level without clinical signs. Both mites are often found together, although ''Demodex criceti'' is considered to be non-pathogenic. Increased incidence has been reported in males an older animals and also as a secondary condition to malnutrition or concurrent disease. |