Q: Years ago, I distinctly remember reading that dry food was best for cats. But now our new and very young veterinarian says that wet food is better. I know that new veterinarians are up on all the latest information, but I’m a little unsure what to think, especially since the Internet goes both ways on the subject. What’s the truth?
A: The truth is we’re not sure. Nonetheless, several recent studies seem to point in the wet-is-best direction. Though dry food might still be better for getting some of that tartar off their teeth, veterinary dentists aren’t so sanguine about this approach to getting teeth clean. Relying on crunchy food in lieu of brushing is like expecting an apple a day to keep your dentist away. Upshot: Don’t rely on kibbled food in the dental department.
Moreover, it has been clear to veterinarians for years now that cats with specific health concerns, particularly when it comes to urinary tract health, are decidedly better off eating wet foods. Though diets formulated for “urinary tract health” abound, no independent studies exist to prove that most of these foods help treat or prevent urinary tract disease.
The only solid studies we have to go on do, however, demonstrate that wet diets can help manage the symptoms related to urinary tract diseases and even obesity in cats.
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On the urinary side, wet diets appear to help manage kidney disease, urinary crystal formation, bladder stones, and feline idiopathic cystitis (the inflammatory condition that causes bloody urine and frequent urination).
As to obesity: Several recent studies also indicate that feeding wet diets to cats (or even moistened kibble) can help cats lose weight. That’s because cats taking in water along with their solid foods are more active than straight-up kibble eaters.
Wild and feral cats get most of their moisture from the animals they hunt and kill. Consequently, cats drink very little water. And since cats originally evolved in a desert environment, this adaptation to a moist diet makes perfect sense.
Now, why it would make them more active as a result hasn’t been puzzled out yet. In any case, I recommend you consider feeding your cats a wet diet. It may be messier but is probably worth it.
Dr. Patty Khuly has a veterinary practice at Sunset Animal Clinic in South Miami. Her website is drpattykhuly.com. Send questions to email@example.com.