Share 'Anyone got any advise for putting weight on a setter?'

I've booked an appointment at the vets tomorrow as I am sick to death of people commenting on how 'skinny' she is on our walks. I even had someone, the otherday, asking for my details to pass on to the RSPCA because 'clearly she's being neglected'!   I have been taking her to the vets every 8 weeks or so, just to set my mind at rest as she has always been a slender dog but I'm starting to get pan…