654 DISEASES/DISORDERS
Fig. 43.7.Keratin collaring: the hairs of this 18-month-old female-spayed standard poodle appear “glued
together” by keratin adherence.
Fig. 43.8.Keratin collaring: shortened hairs have firm and adherent follicular casts in this 4-year-old male-
castrate maltipoo with sebaceous adenitis.