Nötkreatur pattern
Central heterokromi
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.
1 Nötkreatur breed lists Central heterokromi. No club standard describes it. At least one club disqualifies it in 1 breed.
Breeds where Central heterokromi is disqualified or not accepted
| Breed | AAA |
|---|---|
| AngusÖgon | Diskvalificerande (“Heterochromia Irides”) |