She ate dry food or canned tuna. She never learnt to eat standard canned food, but over a long period of time we introduced her to a variety of fresh and cooked meats and fish as well as cheese. This was important in order to medicate her. Tablets simply do not mix with dry biscuits. If a cat eats only one particular cat food, problems occur if that variety is unavailable or the recipe changes.
Many owners believe that cats eventually eat what it is offered rather than starve.
Wean the cat onto other varieties by mixing small amounts of the new food into its usual food and gradually changing the ratio of new flavour to old. Many cats eat the same food for several days then get bored. The anxious owner offers a variety of foods until finding something the cat accepts. The cat soon learns to manipulate its owner and get food which it likes, but which might be nutritionally inadequate. Occasional treats of liver, tuna etc add variety to the menu, but cats can become addicted to treat-foods.