I think Stunt is right.....I have a Gould bred male that I raised and I weighed him at 6 months old and he was 13 lbs. now at 14 months he is every bit of 17-18 lb.....Very trim built dog but still bigger than I like to keep but still very useable for most nutria setts and coon in brushpiles,barns, houses etc.....But, I also LOVE to chuck hunt as it is very challenging for the dog and a 18 lb. dog WILL NOT consistantly get on chucks in those tight earths no matter how much drive the dog has so I keep several smaller dogs for chucks......Hopefully your dogs growth slows down but if it doesn't c