S H T F guard dog

[Steve]

If you want a dog that wants to fight other dogs then a pit bull is about as good as it gets - although quite why you would want that is beyond me. It's bred for it.

If you want a dog to round up your sheep buy a border collie. It's bred for it.

If you want a dog to retrieve shot game buy a spaniel. It's bred for it.

If you want a dog to protect you or your family buy a doberman. It's bred for it.

Horses for courses ( or dogs, anyway ).