A study of 24,000 companion dogs found that animals fed once a day had better cognitive scores and lower odds of several health conditions, researchers said. Additional coverage of this same incident.

The findings, produced through the Dog Aging Project and led by Dr. Emily Bray of the University of Arizona College of Veterinary Medicine, point to a consistent association between feeding frequency and multiple measures of canine health. Notably, while the study underscores the benefits of once-daily feeding, the search results do not provide specific feeding guidelines based on dogs’ age or health status. However, it is generally recommended that puppies receive high-quality food that supports their rapid growth, emphasizing the importance of nutritional density.

The research reported that dogs fed once daily were less likely to experience gastrointestinal issues, dental disease, orthopedic conditions, kidney or urinary problems, and liver or pancreatic disorders, according to the study summary. “We see this seemingly protective effect, where dogs that are fed less frequently are having better cognitive outcomes,” said Dr. Emily Bray, assistant professor of human-animal interaction. Statistically, about 8% of dog owners currently feed their pets once daily, while most feed them twice daily. What percentage of dog owners currently feed their pets once daily versus multiple times.

Dr. Bray, whose work is based at the University of Arizona, framed the project as an effort to identify factors that affect both lifespan and healthspan in companion animals. “We’re trying to figure out not just what leads to longer lives for dogs, but what leads to healthier lives,” she said. Feeding frequency significantly impacts a dog’s metabolism and weight management. How does the frequency of feeding impact a dog’s metabolism and weight management? Dogs fed once daily may experience lower overall caloric intake compared to those fed more frequently, which can help support weight management and metabolic health.

The research team examined feeding frequency as a variable tied to a range of conditions and cognition. The pattern in the results showed lower odds of the listed health problems among dogs fed once daily compared with those fed more often, and associated improvements in cognitive scores were notable in the study’s analysis.

Dr. Bray suggested one possible pathway linking feeding frequency and health outcomes: “It could be that feeding frequency is affecting caloric intake, weight, and obesity levels.” The study summary also highlighted the scale of canine obesity in the United States: the Association for Pet Obesity Prevention estimates that more than half of all pet dogs in the country are overweight or obese. Improving feeding practices may play a crucial role in addressing this widespread issue.

The Dog Aging Project describes this line of inquiry as part of a broader effort to understand aging in companion dogs and to identify modifiable factors that might promote healthier, longer lives. The project analyzed feeding frequency alongside other variables to look for consistent associations across large numbers of animals.

Researchers and veterinarians say observational results like these can suggest promising directions for future work but do not by themselves prove cause and effect. Still, the patterns reported in this study—spanning digestive, dental, musculoskeletal and urinary systems as well as cognitive measures—were described by investigators as consistent and potentially meaningful for owners and clinicians weighing feeding practices.

A summary of the research appeared via the American Kennel Club, which served as the original outlet listed with the study materials.

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