My vet told me 2 years. I know for my boys it was definitely that long if not longer. When my boys were 18 months (1.5 years) they were 4.2lbs and 6.2lbs. At 4 years old they were 5.5lbs and 8.9lbs. Now at 6 years old they are 5.5lbs and 13.5lbs. (my bigger boy got fixed at 4 years old and he chunked out big time after that!) The vet thought they might have been done at 18 months but they both had another pretty significant growth spurt after that!
__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.” ― Dean Koontz |