the thing is crosses are very successful if you bring in a good cross, has to be the right line alot of research has to be done, if the two put together right its like a boiling pot full of soup, and the ingredients make it all tasty. I do crosses apon crosses to make my own gene pool.my lefebre dhaenens have crossed well with Frank Tasker birds,marcellis birds, Kirkland birds, Curtis wall and lunt birds, and many others cant even think at moment