not underestimating ive had 3 them mate they do them , any lurcher will do few , its the more than few 7 days a week , then you see what I mean.?there ain't many dogs that will do Fox 7 days a week.in fact theres not many men that would either,I certainly wouldn't work a sore dog too often . they usually get bit and swell ,not a good idea to take a dog out the.night after getting a face full