Hi Ron-
Your dog is very lucky that you saved her! Sounds like she is living the good life. 20lbs overweight is probably hard on her though. You could definitely cut back on the treats! The dog food calculator reads that she should be getting about 950 calories a day for a dog with typical activity that should weigh 40lbs. Do you know how many calories are in a cup of her kibble or the cup of wet food that you are feeding have?
Yes, think about having a full senior blood panel done at the vets on Monday. Sometimes older dogs can have thyroid issues that make it very difficult to lose weight. Let us know how the vet visit goes.
14 hours, 37 minutes ago
