There are so many variables, but odds are a spayed/neutered indoor cat will live longer than an outdoor cat. They don't have to worry about predators, cars, etc. I recently lost my sweet Maine Coon who was only 11 1/2 to cancer (the breed tends to have shorter lifespans unfortunately), but...
There are always exceptions and from personal experience, I have had zero worries with over 58 years of my indoor cats alone with a Boxer, Miniature Schnauzers and now Siberian Huskies. Never once a problem with them being left alone together. They always considered the cats part of the pack. ...
I understand. I have an 11 1/2 yr. old Maine Coon who has masses around her stomach. Only meds have helped her feel better & increased her appetite. There is no cure and this is only a temporary "fix". Sometime in the next few days I will take her to the vet to be euthanized. It's heart...
I've had three Siberian huskies and 6 cats in my life. The huskies never once bothered the cats, but then they were raised since puppyhood with cats and considered them part of the pack. Our Maine Coon gives them kisses. Neighborhood cats, as well as rabbits & birds, are another matter. Why...