Every time you fill your dog’s bowl, you’re making a choice about what nature intended them to eat. And for a growing number of UK owners, that choice is leading them towards raw dog food, a diet built around fresh meat, bone, and organ rather than heavily processed biscuits. But is raw feeding genuinely closer to a dog’s natural diet, or is "ancestral eating" simply a persuasive marketing phrase? In this episode of The Raw Feeding Journal, host Charlotte puts the question to expert Robin, and the answer is compelling: yes, raw food truly mirrors the ancestral diet of wild canines and the proof is written into your dog’s own anatomy.

The beauty of this argument is that we don’t need to rely on opinion. We simply need to look at three remarkable features of canine biology.

First, consider the teeth. As explained by the American Kennel Club, dogs lack the flat, grinding molars of dedicated plant-eaters. Instead, they possess sharp, pointed teeth and powerful carnassials designed to tear and shear through meat and bone. Dogs rip and gulp; they don’t grind.

Second, there’s the highly acidic stomach. A dog’s stomach acid can be up to ten times stronger than our own, with a pH dropping as low as 1 to 2 during digestion. This potent acidity effortlessly breaks down raw meat and ground bone, while neutralising the very bacteria that would leave a human unwell. It’s a natural defence system, and it’s precisely why healthy dogs can safely thrive on raw food.

Third, and finally, is the short digestive tract. Unlike herbivores or omnivores, who require long, complex systems to ferment fibre, dogs move food through their bodies in a matter of hours. This rapid transit is perfect for efficiently processing protein and fat—and far less suited to the high carbohydrate loads found in most processed foods.

Of course, Robin offers a refreshingly balanced perspective. Dogs are, as researchers note, facultative carnivores rather than obligate ones. Thousands of years of domestication have made them more flexible eaters than their wolf ancestors, and they can tolerate some carbohydrates. But as Charlotte and Robin explore, there’s a world of difference between merely surviving on a food and truly thriving on it. For anyone considering the switch, welfare charities like the PDSA and professional bodies such as the Royal College of Veterinary Surgeons offer trusted, science-led guidance to help you feed responsibly.

By the end of this seven-minute conversation, you’ll never look at your dog’s teeth or their dinner the same way again. Because when you understand the evolutionary story hidden in their anatomy, feeding raw stops being a trend and starts making perfect, biological sense.

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