Read your original question mate, though this last post don't make sense to me, Producing better bull crosses... blah de blah etc.. You know that..!
It's only my opinion but you can't produce a better bull cross than a good second generation first cross, especially if the blood is tight. What I think your askin is, what would be the better cross after it.. Or, where do we go from there..??
Well if ya ain't, or don't want, to stick with those halfs and maybe need a bit more speed, then i'd go lurcher to lurcher bred dog before any greyhound. I've posted on this a few times, before i'd look t