As someone who has cattle I don't get the whole "Angus" thing. It really isn't about being part of the Angus breed, it's about hide color. Red is a recessive color and pops up but wouldn't be included in the CAB program.

Here is an article you might find interesting.
https://www.beefmagazine.com/beef-quality/what-makes-fed-cattle-qualify-certified-angus-beef