I love tight breed stuff but some lines don't do good in-breed but do better with the out-cross you have to know your line 1 know what you are looking for what the breeding will do add or take away from what you are trying make happin look at blind billy who was inbreed and out-crossed but with in his line and look what that produced so if you know what pieces of the puzzle to put together and know what picture you are trying to paint it can be good