Dog trade late at night?

I have sold some when I had my dogs that were like that. Nothing was wrong with the dog(s). Just something I personally did not like about the dog. Dog performed, did its job, no problems at home or in box, but there was something I either did not like that I could not explain, or in most cases was not rough enough for me. Mostly not rough enough for me. I liked dogs that would catch anything under 150 or so, and if it was bigger and showed its ass to run better catch no matter what to keep it from running. If the dog did not do that or just sat back and bayed while the other dogs were fighting the hog to keep it stopped etc... it was gone.