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  • Writer's pictureHat Creeks Agustus McCrae

Is Intermittent Fasting Safe for Dogs??

Diet trends are constantly evolving, with people experimenting with different methods to shed extra pounds. From counting calories to trying out keto, one approach that has gained traction in recent times is intermittent fasting. While research has indicated that this technique is generally safe and can lead to moderate weight loss in humans, pet owners may wonder whether it can be applied to their overweight dogs.


Obesity in dogs can increase the risk of health problems, including heart disease and cancer. As a result, pet owners may consider intermittent fasting as a potential solution for maintaining their dogs' healthy weight. However, even minor dietary changes can have a significant impact on dogs' well-being. Canine nutritional requirements vary based on factors such as age, activity levels, and underlying health issues. Therefore, before considering adjusting your dog's diet in any way, it is essential to consult with a veterinarian.


Rottweiler Holding Food Dish

As dogs evolved into domesticated animals, their digestive systems adapted to their new lifestyle of living with humans. By learning to respond to verbal cues and cooperate with humans, dogs gained more consistent access to food and fewer instances of fasting. Unlike their wild wolf ancestors, dogs possess the capacity to digest specific carbohydrates. According to Dr. Jerry Klein, DVM, Chief Veterinary Officer for the American Kennel Club, dogs' gut microbiota have adapted to a diet rich in starch due to their environmental changes.

Intermittent Fasting for Dogs


Intermittent fasting is practiced in various ways by humans, including fasting during specific hours of the day or certain days of the week. Some proponents of intermittent fasting for dogs have suggested that it can improve a dog's immune system, cognitive function, digestive health, and overall longevity. However, Dr. Klein cautions that these claims are mostly based on anecdotal reports and lack scientific evidence.


Researchers conducted a study on the effects of intermittent fasting on immune health in healthy dogs. Since hospitalized dogs are at risk of underfeeding and weakened immunity, the study involved only healthy dogs. The researchers randomly assigned 10 healthy dogs to three different feeding regimens, and the dogs in the intermittent fasting group tended to lose more weight while also having lower blood glucose and insulin concentrations. While the study did not show any immunosuppressive effects of fasting, the sample size was small and did not include any dogs with health issues.



Corgi Puppy Eating Dog Food

The Dog Aging Project has also examined the link between how often dogs are fed and their health outcomes. Researchers have been collecting data on over 24,000 companion dogs since 2019 to determine how environmental, genetic, and lifestyle factors affect the aging process. The study includes dogs of all ages, sizes, and breeds.


The study data suggests that dogs fed once a day have fewer health problems, such as gastrointestinal issues, cognitive dysfunction, dental disease, orthopedic problems, liver or pancreatic disorders, and kidney or urinary problems. However, it's important to note that the decreased health problems cannot be solely attributed to the frequency of feeding, as there may be other contributing factors. More research is necessary to establish a direct cause-and-effect relationship between once-daily feeding and improved health outcomes for dogs.End by restating your main message. You can sign off with a funny note or an open question.


When Should I Fast My Dog?


Consulting with your veterinarian and receiving their advice is crucial before fasting your dog. If your dog is experiencing gastrointestinal issues such as vomiting or diarrhea, your veterinarian may suggest temporary fasting for your dog. During the fasting period, which usually lasts between 12 to 24 hours, your dog should only consume water, as explained by Dr. Klein.


Once your dog's condition improves, you can gradually introduce a small amount of bland food like plain boiled white rice or pumpkin. This provides time for their gastrointestinal tract to rest and inflammation to subside.


It's important to note that dogs should always have access to fresh drinking water, regardless of their feeding regimen. Dr. Klein emphasizes that dehydration can cause severe health effects and even death, making it crucial to keep your dog well-hydrated.



When to Avoid Fasting Your Dog


Dr. Klein advises that intermittent fasting should only be considered for healthy, adult dogs who are not in the excluded categories, such as puppies under 18 months, small dogs, pregnant or nursing dogs, and dogs with underlying medical conditions.


Before starting intermittent fasting, it is important to discuss with a veterinarian or a board-certified veterinary nutritionist to determine if it's the best approach for your dog. Fasting is not recommended for puppies under 18 months, particularly giant breeds that grow rapidly, very small dogs or Toy Group breeds, and dogs with underlying medical issues, such as diabetes being treated with insulin.


Yorkshire Terrier Puppy


Dr. Klein advises that feeding your dog a complete and balanced diet as directed by your veterinarian and the dog food's label is the best approach. Appropriate daily feeding, minimal low-calorie treats, avoidance of table scraps, and regular exercise should be prioritized rather than relying on fasting. It's important to note that dogs have different metabolisms and nutritional requirements than people or other animals, and there are risks associated with applying human dietary practices, such as intermittent fasting, to dogs.


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