گاو pattern

ناهمرنگی مرکزی

An iris of two zones, a pale blue ring around the pupil and a darker outer ring; in cattle the inherited heterochromia irides (HI) the American Angus Association excludes from registration.

۱ گاو breed lists ناهمرنگی مرکزی. No club standard describes it. At least one club disqualifies it in ۱ breed.