Color possibilities

[Littletonlee]

I have a 1/2 Duroc 1/4 landrace 1/4 hampshire. She looks like a bluebutt. Her bothers had the hamp saddle with red and white color. I’m using her for a breeder for meat pigs i need to get more fat and thicken their hams and loins of her offspring. I thought about going with old spot boar if I did that would all her offspring come out straight white? They would be raised on pasture as she has been with supplemental feed. And I would sell the extra babies