Good advice. Another alternative would be to buy the best non-black momma cows there is, f1 Br x Her., and use the Gert bulls on them. This should produce calves with plenty of high bread vinegar that the steers would sell well even with the dock for red. Plus, if he did decide to retain some heifers, those Gert x Braford would make a pretty good cows for what he wants to do. After that, though, he needs to look at terminal crosses. Best to use would be Angus, Brangus, Ultrablack. If he just doesn't care about the sale prices, and is just adamant about not wanting to see a black calf in his pasture then I'd use Char, Simm, or Red Angus.