Most dogs tend to accumulate dirt and wax in the ear canal leading to discomfort and resulting in shaking their heads or rubbing and pawing at their ears.
(Most dogs; tend; to accumulate dirt and wax in the ear canal) (Most dogs; to accumulate; dirt and wax; L:in the ear canal) (the ear canal; leading; to discomfort)
Most dogs Most dogs the ear canal
tend to accumulate leading
to accumulate dirt and wax in the ear canal
dirt and wax L:in the ear canal
to discomfort