have used lots of straight x wirehaired some of the best dogs i have owned . they would find pigs and go a long ways out to get a pig . as angelo said use nose and not see pigs but in saying that i had dogs that hunted from oberon to cunamulla and my dogs would be gone and good dogs left on the ute . have been in the pilliga scrub my dogs go yes a long way but got pigs left good dogs on the ute ? not everyone's cup of tea a good one will track find and go but pigs caught compared to dogs that cant go the long yards . and yes can be cranky but hey seen a lot of cranky fight type of dogs kelpies and cattle's are no different . had a good jagged terrier that would show a pit a thing or two ? have seen a line of stag that would kill hunt and well savage to any dog that backs up to them ?