We're Not Asking What Your Dog Eats. We're Asking What Your Dog Gets to Do.
The forgotten physical side of feeding
For decades, almost every serious conversation about feeding dogs has begun with the same question: what should the dog eat? We discuss protein, fat, carbohydrates, vitamins and minerals, kibble or wet food, raw or cooked, fresh or processed, complete-and-balanced formulations, allergies, life stage, digestibility and palatability. These are all important considerations, but they are overwhelmingly concerned with what goes into the dog.
There is another question that deserves more attention:
What does the dog physically get to do while eating it?
It sounds almost too simple, yet once the question is asked, an entire part of feeding becomes visible. Dogs do not only swallow nutrients. Depending on the food or chew in front of them, they may grip, brace, pull, tear, strip, scrape, lick, gnaw, chew, twist and reposition the item. Those actions are not a nutritional formulation; they are the physical mechanics of feeding, and recognising that distinction is what eventually led us to Structural Feeding™.
Nutrition and feeding are related, but they are not identical
A nutritionally complete meal can answer the question of what nutrients a dog receives, but that alone does not describe the physical feeding event. A bowl of prepared food may be an entirely appropriate way to deliver a dog's main diet, and we are not arguing otherwise. Even so, a bowl is also a feeding interface. The bowl presents food in a particular physical form and asks relatively little of the dog mechanically compared with an intact or substantial item that must be held, pulled, torn, stripped or worked.
Rather than asking whether bowls are good or bad, perhaps the more useful question is:
When did one very useful feeding interface become almost synonymous with feeding itself?
That takes us somewhere different from the endless raw-versus-kibble fight, and we think it opens a much more interesting conversation.
What does the evidence say about chewing?
This is not an area where responsible people should make sweeping claims. A 2025 peer-reviewed review in Frontiers in Veterinary Science, led by researchers from the University of Sydney's veterinary school, examined the functional significance and welfare implications of chewing in domestic dogs. The review considered chewing across food acquisition, ingestive behaviour, self-care and other functions, while also examining potential relationships with oral health, digestive processes, psychological state and welfare.[1]
The authors concluded that chewing appears to contribute positively to canine welfare and is likely to be an important regular component of dogs' lives. They were equally clear that important questions remain about individual requirements, appropriate substrates, duration and risk, and that qualification matters because chewing is not automatically beneficial simply because a dog is chewing something.[1]
Veterinary guidance warns that very hard bones and chew objects can fracture teeth[2], while bones and other items can present choking or gastrointestinal hazards. Raw animal products can also carry microbiological risks for dogs and humans.[3] We therefore reject both extremes: "natural" does not mean harmless, but the existence of risk does not make the underlying behaviour irrelevant. The useful territory lies between those positions.
Does a dog actually want to work for food?
Another useful piece of evidence comes from a 2024 Scientific Reports study examining contrafreeloading in pet dogs. The dogs were willing to work for food using a snuffle mat, but as a group they did not prefer the effortful option when identical food was freely available at the same time.[4]
That finding is valuable precisely because it prevents us from making a convenient marketing claim. We cannot simply say that dogs naturally want to work for every meal, because the evidence does not support that absolute statement. What the evidence suggests instead is a more sensible principle: opportunity, individual preference and context matter.
There is also an important distinction that deserves further research and discussion. A dog working to obtain food is not necessarily facing the same physical problem as a dog working the food itself. A puzzle feeder may make access more difficult, whereas a substantial food item may require gripping, tearing, bracing or manipulation after access has already been achieved.
Are those experiences behaviourally equivalent?
We do not know that they are, which is exactly why the question should be investigated rather than answered through assumption.
The missing mechanical question
Our route into this subject was not academic. The starting point was a dog, a piece of substantial food and an ordinary physical problem.
When our Belgian Malinois, Phoenix, worked large foods and long-duration chews, the item needed something to resist his force. If the item was loose, Phoenix created that resistance himself using his paws, the ground, dirt, grass, floors, furniture or whatever else stopped the item from moving. In practice, all of those things became part of the feeding system.
That observation led to a basic engineering question:
If the dog pulls, what pushes back?
A second question followed:
Why was that side of the feeding interaction largely being left to the environment?
We spent years addressing that physical problem through prototypes, observation, CAD, testing and, eventually, purpose-designed hardware. The result became BoneZone®. Only later did we realise that we also needed language for the broader feeding approach the apparatus was enabling.
What we mean by Structural Feeding™
Structural Feeding™ is Petelli's term for a defined companion-animal feeding approach in which appropriately selected bones, substantial 'whole' foods and long-duration chews are presented against stable external physical structure, creating controlled resistance against which the dog can grip, pull, tear, scrape, lick, gnaw and work.
Structural Feeding™ is not a diet, BARF, prey-model feeding or a prescription to feed bones, nor does the framework tell owners what their dog's nutrient profile should be. Structural Feeding™ concerns the physical presentation and management of an appropriate item.
The simplest expression is:
The food has structure. Now the feeding environment does too.
BoneZone® is the apparatus we developed around that physical problem. BoneZone® is a modular Structural Feeding™ and chewing apparatus for dogs that secures appropriate bones, substantial foods and long-duration chews to a stable physical structure, creating controlled resistance against which the dog can grip, pull, tear, strip, gnaw, chew and manipulate the item while the owner retains greater control over location, height, movement, environmental contact, supervision and removal.
BoneZone® does not make an inappropriate item appropriate.
Hardware was not enough
Once we began describing Structural Feeding™ properly, something else became obvious: responsible use could not begin and end with instructions for tightening a clamp. The individual dog matters, as do the item, the environment, the setup and the dog's actual behaviour throughout the session. Every one of those factors can change while the session is underway.
That is why we developed the Five-Stage Structural Feeding™ Educational Framework:
ASSESS → SELECT → SET → GRAPPLE → CHECK
- ASSESS the individual dog and the circumstances.
- SELECT an appropriate item for that dog and session.
- SET the apparatus and feeding environment before introducing the dog.
- The dog then GRAPPLES by gripping, bracing, pulling, tearing, stripping, scraping, gnawing, licking, chewing or otherwise working the item as appropriate.
- The owner CHECKS throughout the session, reassessing the dog, item, hardware and changing conditions.
The framework is deliberately a loop rather than a one-time checklist. An item can become smaller, softer material can disappear and harder surfaces can become exposed. Behaviour may change, hardware or position can shift, and a sensible decision at the beginning of a session may need to change ten minutes later.
This is not a guarantee of safety. It is a more deliberate way to manage a physical activity that already contains variables and recognised risks.
So who owns this part of feeding?
This is where the subject becomes bigger than our product. The pet-food industry has become extraordinarily sophisticated at formulation, processing, preservation, palatability, nutrient delivery and convenience. Behaviourists study what dogs do, animal-welfare researchers study experience and outcomes, veterinary professionals manage health and disease, enrichment products create opportunities for activity, and designers make bowls, toys and feeding devices.
But where does the deliberate physical architecture of feeding sit? If an appropriate substantial food is going to be gripped and pulled, who traditionally designs what the dog pulls against?
Maybe nobody deliberately ignored the problem, but perhaps nobody clearly owned it. The question may have sat between established categories, too mechanical for nutrition, too behavioural for hardware and too ordinary to attract much attention as a standalone problem.
We do not pretend to have the final scientific answer. We do know that the physical problem was real enough for us to spend years building something around it, and now that we have a way to describe the problem, we think the question is worth opening to everybody else.
Pete's Perspective
BoneZone® did not begin with a theory about canine welfare or an attempt to create a new category. The project began because I watched Phoenix work food and chews and kept seeing the same physical problem: the item moved, Phoenix restrained the item however he could, and the surrounding environment became part of the process. I wanted more control over that interaction, so I started building.
Years later, the surprising part is not that we ended up with a piece of aluminium hardware. The surprise is that explaining why the hardware works the way it does forced us to separate nutrition from the physical act of feeding and put language around something we had already been doing.
We did not invent gripping, tearing or chewing. We built a controllable structure for those behaviours to work against. That is Structural Feeding™, and the question we are now putting to dog owners, veterinarians, researchers and the wider pet industry remains simple:
We're not asking what your dog eats. We're asking what your dog gets to do.
References
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- Quinn R, Masters S, Starling M, White PJ, Mills K, Raubenheimer D, McGreevy P. Functional significance and welfare implications of chewing in dogs (Canis familiaris). Frontiers in Veterinary Science. 2025;12:1499933. https://doi.org/10.3389/fvets.2025.1499933
- American Animal Hospital Association. Don't Chew On This! Published 4 April 2024. https://www.aaha.org/resources/dont-chew-on-this/
- World Small Animal Veterinary Association Global Nutrition Committee. Raw Meat Based Diets for Pets. https://wsava.org/wp-content/uploads/2021/04/Raw-Meat-Based-Diets-for-Pets_WSAVA-Global-Nutrition-Toolkit.pdf
- Rothkoff L, Feng L, Byosiere SE. Domestic pet dogs (Canis lupus familiaris) do not show a preference to contrafreeload, but are willing. Scientific Reports. 2024. https://www.nature.com/articles/s41598-024-51663-x
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