Horses with yellow/tan coat colors and *non-black* points used to all be called "duns" regardless of the stripe.
(yellow/tan coat colors and *non-black* points; used; to all) (Horses with yellow/tan coat colors and *non-black* points; be called; duns" regardless of the stripe)
yellow/tan coat colors and *non-black* points Horses with yellow/tan coat colors and *non-black* points
used be called
to all
duns" regardless of the stripe