karl as i keep bull crosses i may be biased but the answer is easy - preydrive- a good bull wont let you down - ive used them for lamping and drawing and if hes a good one he wont shirk the issue
iv keped both,bull and collie x iv had a bull x that took deer and fox pre ban,but it never had anymore pry drive than my collies, just more kill power is all and most dont notice pain,always enjoyed my collies, can do anything a bull x can do if bred and trained properly,
Spot on, same here both xs were good. ive found my colliexs more agile than bullxs
both were the same weig