sound like thats what it is i had been getting her fitt over a couple of weeks before i ran her maybe not long enough for the work she put in , shes broken coated and is molting like mad so looks a bit rough at the moment the vet said she looked under weight but shes allways weighed around 18 kg and came in at 17 and a half but had been having alot of exercise for a few weeks previous i can't understand it but you sound the closest so far , do you think i should leave her just having walks for a bit until her condition inproves ? i don't think i should carry on working her a the moment becase