Well good luck with your project. How many generations until your goal is achieved? Lots of variables involved in the genetics of it. If you were simply grading, adding a breed one time and then breeding to the other breed year after year, F1 F2 F3 F4 F5 thats at least 5 years to breed up to...
I think Brazilians are beautiful. I also think you are wasting your time and in a few generations you will realize it. Its your money and time though but plenty of good breeds already that need breeders