Never missed a day out during the season with my whippets, apart from 1 injury to one of my bitches we did well, but yesterday i was out for a walk with the 3 of em, enjoyed ourselves, gets home checks em out, 1 gaping hole in 1 of em, in the chest, rolls of the stuff just dumped in the undergrowth, tough little buggers though she never flinched while i treated it, i will keep my eyes on it, if i have doubts its the vets