Make sure they have some angle to their shoulder and that the hooves point forward not out. Take time to watch bulls on the move. They need to move free and easy with the appearance you might expect to see in an athlete. The ability of bulls to travel is essential to their function. Muscle Muscle is also very important in the selection process.
Muscle is our main end-point and also a key factor in weight.
A narrow muscled bull will not produce thick muscled heavy calves. Look for a bull that shows a lot of natural thickness when viewed from behind. This is often demonstrated by a squarer appearance over the top and a wider natural stance in the rear. You can also see muscle through the forearm and in the shape of loin over the back of the bull. Muscle will have definition more like you would expect on a body builder.