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A high-calorie pet formula packs a nutrient-dense punch and has even saved the lives of cats that are in need of gaining weight. Because of the calorie density in such formulas, a cat can ingest about one-quarter of the bulk of standard cat food and get the same nutritional benefit. Below, Virginia-based veterinarian Dr. Katy Nelson, who is a member of the Iams Pet Wellness Council, weighs in on when a higher-calorie formula may or may not be right for your furry friend.
When to Feed High-calorie Food
“If your cat has lost weight, it’s possible that something is going on metabolically that needs to be addressed,” says Nelson. “No normal cat on a normal diet is going to start to drop weight unless there’s something underlying. This is specifically a recovery diet.” Cats treated for inflammatory bowel disease, as well as the following conditions, are often prescribed calorie-dense foods:
When Not to Feed Maximum-calorie Food
A pet owner should not independently make the decision to put a cat on any prescription diet. A high-calorie formula “is a phenomenal food to have in your arsenal, but no owner should say, ‘I’m going to make a diet change because my cat is losing weight,’” says Nelson. “These foods are very high-protein, very high-fat. Start it unnecessarily, and your cat’s going to end up with pancreatitis or horrible diarrhea.”
Switching to a new food generally requires a transition period, but Nelson explains that when cats need a high-calorie formula, time is often of the essence. “Typically, in situations where this food is required, you don’t have transitioning time. If you have to deal with a little diarrhea versus their liver getting compromised, you go for the former.”
Transitioning off is another story. Once a cat’s underlying issue has been identified and addressed, and the cat returns to a healthy weight or the oral problem is resolved, spend seven to 10 days adjusting the ratios of the new diet back to the older one.
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Cats reach full skeletal development when they are this old: