I have a 10 year old Himalayan cat. She has always been a really picky eater and is just too skinny. Been feeding her dry Iams that was what she seemed to eat best. She got tired of that and tried can...
From my own experience, I can say that it is essential to monitor your cat's weight. If you notice that it loses weight, there might be health issues, so I'd recommend addressing a vet. In case your pet is healthy, you need to change the nutrition. There exist high-calorie food that can help gain weight fast. I found a good list here https://www.catfoodpoint.com/best-high-calorie-cat-food-for-weight-gain/. My cat liked Hound&Gatos canned food.