Bones for Dogs: Why Structure, Resistance and Chewing Matter More Than We Thought
By Peter Britten, Founder, Inventor and Principal Product Developer, Petelli Ventures
Most modern dog-feeding advice begins and ends with what goes into the bowl.
Protein. Fat. Vitamins. Minerals. Calories. Portion size.
Those things matter, but they do not describe the whole feeding event. They tell us what the dog receives chemically. They tell us almost nothing about what the dog gets to do physically.
BoneZone® takes a clear position on that missing half.
Dogs should have appropriate opportunities to work on real, substantial food.
That can mean a raw meaty turkey neck, a poultry frame, a whole rabbit, a whole fish, a fish head, a meaty rib or spinal section, a substantial joint end carrying edible tissue, or another suitable animal structure. The dog may have to grip, pull, tear, strip, scrape, lick, extract, reposition, shear and chew before the food can be swallowed.
That is not food placed into an enrichment toy. The food itself creates the activity.
BoneZone® was built to make that kind of feeding more practical in a domestic environment. It supplies the stable resistance that a separated piece of animal food often lacks, while giving the owner far greater control over location, movement, height and hygiene management.
WILD MECHANICS. DOMESTIC CONTROL.
That is not decoration. It is the entire point.
BoneZone® is built for real food work
BoneZone® is not merely a holder for a shop-bought chew.
BoneZone® is a modular Structural Feeding™ and chewing apparatus for dogs. It 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 and work the food while owners control location and hygiene.
The apparatus can support everything from a familiar meaty bone to a far more complete, wild-like feeding experience.
A suitable whole rabbit can be secured through both hind legs so the body hangs below the jaws. The dog can then pull down, open, strip and work through the animal while the station supplies counterforce and keeps the feeding event in one managed location.
A whole mackerel, other suitable whole fish, fish head or fish frame can be secured so the dog works through skin, flesh, connective tissue, softer skeletal structures and the head rather than receiving the same animal material as anonymous pieces in a bowl.
Poultry frames, turkey necks, meaty ribs, spinal sections, heads, feet, tails, trachea and substantial tissue-bearing cuts can each create different feeding problems for the dog to solve.
This is what Structural Feeding™ looks like when it leaves the page and becomes a physical event.
We are not neutral about feeding form
BoneZone® can be used by owners following different broader feeding plans, but the philosophy behind it is not neutral about physical form.
We do not believe a lifetime of rapidly consuming processed pieces from a bowl represents the full physical potential of canine feeding. We believe suitable raw meaty bones, whole animal foods and substantial meaty sections deserve a regular and practical place in the conversation.
That does not mean every owner must abandon bowls. A bowl remains useful for loose organ meat, liquids, small scraps and foods that have no practical anchoring structure. It means the bowl should not automatically erase every other feeding format.
Modern convenience has done an excellent job of delivering nutrients. It has also made it easy to forget that dogs possess teeth, jaws, lips, tongues, forelimbs, necks and bodies designed to participate in obtaining and processing food.
Structural Feeding™ brings that participation back.
This argument has a veterinary history
The proposition that physical food form matters is not an internet fashion.
In 1991, veterinarian Tom Lonsdale published Oral Disease in Cats and Dogs, arguing that processed food deprived teeth and gums of the cleaning, massage and physical work associated with natural feeding.[1] In 1992, Raw Meaty Bones: Promote Health placed raw meaty bones and unprocessed animal foods directly into the veterinary discussion.[2]
His 1993 paper Feeding vs Nutrition: Have We Lost the Plot in Small Animal Dietetics? separated chemical composition from physical food quality and argued that the masticatory-through-to-defaecatory process belonged inside the definition of feeding.[3] His related Preventative Dentistry chapter assembled earlier veterinary observations and experimental reports concerning soft diets, tooth work, calculus and the mechanical effects of bones and other resistant items.[4]
Lonsdale expanded the case in Raw Meaty Bones: Promote Health in 2001[5] and the practical guide Work Wonders: Feed Your Dog Raw Meaty Bones in 2005.[6] His 2011 working-dog article then set out a practical feeding list that included poultry carcasses, rabbits, whole fish, fish heads, goat, sheep, calf and deer sections, heads, feet, necks, ribs and offal. It also urged handlers to provide food in pieces large enough to require ripping, tearing and gnawing.[7]
In 2018, Raw Meaty Bones Essentials returned to whole-carcass feeding, appropriate size and the physical work of consuming food. It described fur, feathers and fins as part of the natural presentation, while warning against dry bare bones, unsuitable large weight-bearing bones, lengthwise-sawn femurs and small pieces that encourage swallowing rather than work.[8]
Across those papers, books, clinical observations, client experiences and working-dog articles sits more than three decades of sustained veterinary advocacy. Not every broad health outcome in that record has been tested through a large controlled trial. That does not make the accumulated professional experience and owner testimony meaningless. It makes it a substantial record that should be read, examined and tested rather than ignored.
Readers do not need us to reproduce Lonsdale's claims as though they originated with BoneZone®. His work is linked below so it can be considered directly. What BoneZone® contributes is the apparatus and Structural Feeding™ framework that make this physical mode of feeding more controllable in modern homes.
Structure creates function
The difference between minced meat and a whole animal section is not merely cosmetic.
Reduce a substantial food to small pieces and much of its nutritional content may remain. Its physical function changes immediately.
The dog may no longer need to:
- establish a grip;
- stabilise the item;
- find an opening;
- penetrate skin or connective tissue;
- pull flesh away from a larger structure;
- strip fascia and sinew;
- reposition the food;
- choose among different tissues;
- use different tooth groups for different tasks;
- or work repeatedly before swallowing.
A 2025 review of canine chewing describes chewing as a broad repertoire that can include grasping, stripping, tearing, cutting, cracking and crushing. It also notes the dog's use of the paws and forelimbs to orient and restrain an item.[9]
Those actions are the function made possible by structure.
Structure is what the food retains. Function is what that structure allows the dog to do.
Structural Feeding™ deliberately preserves more of that relationship.
Resistance turns structure into work
A substantial food item cannot be worked effectively unless something resists the dog's pull.
In a carcass, the animal's remaining mass supplies that counterforce. Tissue is attached to tissue. Skin, fascia, joints and bone hold against the pull until the dog overcomes them.
Once a butcher or owner separates one section, much of the original resistance disappears. The dog attempts to recreate it with paws, body weight, the ground, furniture, a garden edge or anything else that prevents the food moving away.
That is why a bone or carcass section travels. The dog is often trying to establish the mechanical conditions required to eat it.
BoneZone® replaces part of the missing counterforce with a stable physical station.
This can allow the dog to pull harder against secured food, change angle, return to an unfinished section and use the mouth and body without the item immediately sliding away. The owner gains a defined feeding location instead of watching the food disappear beneath furniture, into soil or across the yard.
This is more than containment. It is feeding infrastructure.
Not every structured food needs to look like a bone
The word “bone” can narrow the imagination too quickly.
Structural Feeding™ can include raw meaty bones, but it can also include whole or substantial animal foods in which bone is only one part of the architecture.
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The point is not to make every food fit the clamp. The point is to stop treating every food as though it belongs in a bowl.
Whole rabbit: a feeding event, not a novelty
A whole rabbit brings multiple tissues and physical problems together in one item.
The dog encounters skin, fur where retained, muscle, fascia, joints, organs and bones of different sizes and densities. It must decide where to begin, how to open the structure, what to pull, what to shear, what to consume and what to leave.
Lonsdale's working-dog guidance includes rabbits among whole carcasses offered to dogs, and his 2018 paper records zoo observations in which rabbits were sometimes eaten completely and sometimes left partially uneaten.[7][8] That variability is important. Natural feeding is not always clean, uniform or total. The animal interacts with anatomy and makes choices.
With BoneZone®, both hind legs of an appropriately sourced rabbit can be secured together, with the body positioned at a suitable height. The dog then works against the station rather than chasing the carcass across the ground.
That is a domesticated, wild-like feeding experience. The food is real. The work is real. The owner still controls the setting.
Whole fish belongs in this conversation
Whole fish has been almost entirely absent from our earlier Structural Feeding™ material. That was a significant omission.
Lonsdale's 2011 working-dog article explicitly lists whole fish and fish heads among natural foods for dogs, alongside rabbits and poultry carcasses. It also recommends variety rather than relying continuously on one fish species.[7] His 2018 paper discusses fish being consumed as complete anatomical food by several captive carnivore species.[8]
For a dog, a whole mackerel is not just “fish protein.” It is skin, flesh, connective tissue, head, fins, organs, soft skeletal structure, scent and marine fat arranged as one physical object.
Oily fish such as mackerel and salmon are also recognised dietary sources of the long-chain omega-3 fatty acids EPA and DHA. Veterinary literature describes important nutritional roles for long-chain omega-3 fatty acids in dogs.[10] A whole oily fish therefore combines nutritional value with the structural work required to access it.
The nutrition comes from the tissues. The feeding function comes from the way those tissues remain assembled.
BoneZone® can help stabilise a suitable whole fish, head or frame that would otherwise be slippery, mobile and difficult to keep in one place. That gives the dog something to pull and work against while the owner controls the feeding zone and clean-up.
Fish species, provenance, parasite control, storage and frequency still matter. That is a reason to source and rotate intelligently, not a reason to erase whole fish from the discussion.
Raw meaty bones are not bare recreational bones
A raw meaty bone should not be imagined as a dry, naked, sawn femur with little edible tissue attached.
The “meaty” part matters.
A useful raw meaty structure may carry:
- muscle;
- fascia;
- tendons;
- ligaments;
- cartilage;
- skin;
- fat;
- marrow;
- joint tissue;
- and softer edible bone.
The first task may be ripping and stripping tissue rather than attempting to crush the hardest part of the bone.
This is why a poultry frame, turkey neck, meaty rib section, rabbit carcass and dense bovine shaft should not be placed into one undifferentiated category. Their anatomy and intended use are different.
Lonsdale's work repeatedly favours substantial meat-and-bone structures while warning about dry bare bones, hard knuckles, lengthwise-sawn femurs and pieces small enough to be swallowed.[4][7][8]
That is not hesitation. It is intelligent selection.
The dental effect is real
Appropriate raw meaty bones are not only an idea from veterinary history. Controlled research has measured a substantial mechanical dental effect.
In 2016, eight adult Beagles received raw bovine femur bone pieces during two study periods. Raw cortical bone reduced the measured calculus-covered area by 70.6% after 12 days. Raw spongy bone reduced it by 87.8% after 20 days. The researchers reported no tooth fractures, trapped fragments or intestinal obstructions during those short studies.[11]
A 2020 trial randomly assigned 12 adult Beagles to chew autoclaved bovine cortical or spongy bones for 14 days. The researchers again reported large reductions in visible calculus. No enamel or root fractures were detected during the trial, although four gingival lesions occurred in the spongy-bone group and fragments became lodged between the teeth of two dogs.[12]
Those studies do not answer every periodontal question, but they establish something valuable:
Particular bone structures, used under the conditions studied, removed substantial amounts of visible dental calculus through chewing.
That is not marketing folklore. It is a measured physical effect.
Lonsdale's central dental argument is broader. He argues that ripping, tearing, gnawing, scraping and the contact created by substantial food help clean tooth and gum surfaces as the animal eats.[4][7][8] The controlled studies do not prove every part of that broader theory, but they confirm that food structure and chewing can be active oral-health variables.
Chewing is not a side activity
Chewing is often marketed as something given to a bored dog after feeding.
Structural Feeding™ reverses that logic.
The feeding event itself can provide the chewing, investigation, manipulation and occupation. Food and activity do not need to be separated and sold back to the dog as unrelated experiences.
The 2025 canine-chewing review examines chewing through anatomy, evolution, behaviour and welfare. It concludes that the subject deserves far more attention than it has received and discusses chewing as a possible source of behavioural opportunity, engagement and positive affective experience.[9]
This does not require us to wait for a laboratory to nominate an exact number of chewing minutes before recognising the obvious design opportunity. Dogs have a sophisticated oral apparatus. Substantial food gives that apparatus work.
BoneZone® makes more of that work possible within the constraints of domestic life.
Carcass presentation changes behaviour
Direct comparative evidence from another canid species strengthens the physical-presentation argument.
A 2025 study observed nine zoo-based African wild dogs receiving food as individual pieces, butchered carcasses and whole carcasses. Food presentation significantly altered feeding behaviour and social interaction. The pack spent substantially longer feeding from carcasses than from individual pieces.[13]
African wild dogs are not domestic dogs, and BoneZone® is not a whole carcass. The useful finding is the principle:
Change the physical form of the food and you can change the feeding event.
That principle sits at the heart of Structural Feeding™.
A bowl of cut pieces and a substantial structure may contain similar animal ingredients. They do not ask the animal to do the same thing.
From wild mechanics to domestic control
Whole and substantial foods create obvious household problems.
They move. They slide. They are buried. They collect soil. They travel under furniture. They are held under paws. They may be taken away from supervision. They can create conflict in multi-dog households. They are messy to retrieve and awkward to clean around.
The usual solution has been to process away the structure.
Cut it smaller. Mince it. Grind it. Put it in a bowl.
BoneZone® offers a different compromise:
Keep more of the food's structure and take greater control of the environment around it.
The apparatus can control:
- where the feeding occurs;
- how high the item sits;
- how far it can travel;
- how much counterforce is available;
- which dog has access;
- when the session begins and ends;
- and how the surrounding area is cleaned.
That is what WILD MECHANICS. DOMESTIC CONTROL. means.
The dog gets a more physically complete feeding task, while the owner does not have to surrender the house or yard to provide it.
BoneZone® is an invitation to feed differently
We are not asking owners to purchase a substantial engineered apparatus merely to preserve every current bowl-feeding habit unchanged.
BoneZone® is an invitation to consider food differently.
Start with a suitable meaty section. Try a poultry frame, turkey neck, meaty rib, whole oily fish, fish head or appropriately sourced rabbit, and observe what the dog does when the food cannot simply slide away. Watch the incisors work, the canines grip, the carnassials shear, the tongue extract and the neck and forelimbs participate.
The exact item must suit the dog. The larger point is that feeding can become something the animal performs rather than something that simply happens to it.
Some owners may use Structural Feeding™ as a supplement to their existing diet. Others may use it as part of a broader raw meaty bones or whole-food approach. BoneZone® does not formulate the total ration, but it makes structured animal food far more practical to present.
That is the pathway the product opens.
The harder question is no longer “bones good or bad?”
The old binary has failed because “bone” is not one thing.
The questions that matter are:
- What animal and anatomical section is this?
- How much edible tissue remains attached?
- Is the dog expected to strip tissue, consume the bone or use it mainly as a frame?
- Does the structure encourage ripping and controlled chewing, or maximum-force crushing?
- Is the item large enough to require work instead of gulping?
- Does it suit the dog's size, experience, teeth and behaviour?
- Can it be secured and supervised?
- Can the owner control access, location and hygiene?
- What nutritional role does it play within the dog's overall feeding plan?
- What does this item allow the dog to do that a bowl of small pieces does not?
Those questions do not weaken the case for raw meaty bones and whole foods. They make the case more intelligent.
What we can say with confidence
We can say that physical food structure changes the actions required to eat.
We can say that dogs use their mouths, forelimbs, necks and bodies to stabilise and work substantial items.[9]
We can say that specific bone preparations have produced large measured reductions in visible dental calculus in controlled dog studies.[11][12]
We can say that carcass presentation altered feeding duration, and behaviour in a comparative canid study.[13]
We can say that whole oily fish can combine structural feeding with nutritionally important marine omega-3 fatty acids.[10]
We can say that Tom Lonsdale and colleagues have maintained a substantial veterinary, clinical and owner-experience record around raw meaty bones, oral health and whole-carcass feeding since 1991.[1][2][3][4][5][6][7][8]
We can say that BoneZone® supplies something a separated food item often lacks: stable external resistance within a domestically controlled feeding station.
And we can say exactly what we believe:
Dogs deserve more than nutrient delivery. They deserve appropriate opportunities to work on food.
Pete's Perspective: Why I want owners to try this
BoneZone® began because Phoenix showed us that the accepted way of giving a dog a substantial bone or food section was unnecessarily primitive. Give it to the dog, let it travel wherever it travels, and accept the mess and loss of control.
I could not accept that as the final answer.
Once the food was secured, I could see far more than containment. Phoenix could work against stable resistance. He could pull, strip, scrape, lick, extract and return to the same section while I controlled where the session happened. That changed the way I understood both the problem and the product.
I am not neutral about the result. I want more dog owners to explore appropriate raw meaty bones, whole oily fish, rabbit, poultry structures and substantial animal sections. I want them to see what their dogs actually do when food retains enough of its original form to demand work.
That does not mean copying Phoenix's exact items or pretending every dog has the same mouth, experience or behaviour. It means beginning with the principle and selecting food intelligently.
A bowl still has a place. If I am feeding loose organs, scraps or material that cannot be secured usefully, I will use one. But I no longer believe the bowl should define the limits of feeding.
The wider raw meaty bones record shows that we are not alone in seeing value here. BoneZone® now provides hardware that can bring more of those feeding mechanics into a controlled domestic setting.
That is why I built it, and that is why I want people to use it.
Frequently asked questions
Is BoneZone® actually intended for raw meaty bones and whole animal foods?
Yes. BoneZone® was built to secure appropriate raw meaty bones, substantial foods, whole or partial animal structures and long-duration chews. It is not limited to polished retail chews or bare recreational bones.
Are you encouraging owners to move beyond bowl-only feeding?
Yes. A bowl is useful, but it should not be treated as the only legitimate feeding format. We encourage owners to consider suitable foods that retain enough structure for the dog to grip, pull, tear, strip, extract and chew.
What can be secured in BoneZone®?
Depending on the dog and configuration, suitable examples can include poultry frames, turkey necks, meaty ribs, spinal sections, substantial joint sections, tails, heads, trachea, whole fish, fish heads, appropriately sourced whole or partial rabbits and compatible long-duration chews.
Can a whole rabbit really be used?
Yes. Where a whole rabbit is legally and appropriately sourced and suitable for the dog, both hind legs can be secured together in the jaws so the body hangs below the station. This provides counterforce while the dog opens, pulls, strips and works through the structure.
Can I use a whole mackerel or fish head?
Yes, if the fish and presentation are suitable for the dog. A whole mackerel, other whole fish, fish head or frame can combine skin, flesh, connective tissue, soft skeletal structures and marine fats in one feeding object. BoneZone® helps stop that slippery structure moving around the feeding area.
Why include oily fish?
Oily fish can contribute the long-chain omega-3 fatty acids EPA and DHA, which have recognised roles in canine nutrition.[10] Whole fish also preserves physical structure, so nutritional value and feeding function arrive together rather than as isolated ingredients.
Do raw meaty bones clean dogs' teeth?
Yes, suitable raw meaty bones can mechanically clean exposed tooth surfaces. Lonsdale's veterinary work has argued this for decades,[4][7][8] and controlled Beagle studies measured large reductions in visible dental calculus from specific bovine bone preparations.[11][12] That is a real effect, even though chewing does not replace assessment or treatment of disease below the gumline.
Is chewing valuable for more than dental cleaning?
Yes. Chewing involves investigation, manipulation, muscular activity, occupation and the performance of normal oral behaviours. Contemporary welfare literature treats it as a serious behavioural subject rather than a disposable pastime.[9]
Why not cut the same food into pieces?
Because pieces and intact structures do not create the same task. Cutting may preserve many nutrients while removing the resistance, attachment, geometry and work that required the dog to grip, pull, tear, stabilise and extract.
Are raw meaty bones supposed to be the bulk of a dog's diet?
Tom Lonsdale's practical guidance argues that raw meaty bones or carcasses should form the bulk of the diet, supported by suitable scraps and perhaps organ material.[7] Owners considering a full dietary change should read his guidance directly, understand the individual dog's requirements and ensure the overall diet is appropriate. BoneZone® manages presentation, but it does not calculate a complete ration.
Does BoneZone® make it easier to begin Structural Feeding™ without changing everything at once?
Yes. An owner can begin by adding an appropriate structured session to an existing feeding routine, whilst BoneZone® makes that addition more controllable without requiring every part of the dog's diet to change on the first day.
Is BoneZone® neutral about kibble versus raw feeding?
BoneZone® does not dictate a complete diet, but our position on food form is clear. Dogs should have appropriate opportunities to work on substantial animal food, and a lifetime of bowl-only nutrient delivery overlooks an important part of feeding.
What if my veterinarian simply says “never feed bones”?
Ask for the advice to be made specific. A dry, lengthwise-sawn bovine femur, a turkey neck/elg/thigh, a poultry frame, lamb shank, roo front quarters, and a whole rabbit are not the same object. A useful discussion should identify the dog, the anatomy, the intended interaction and the particular risk rather than treating every item containing bone as identical.
Are cooked leftovers suitable for BoneZone®?
BoneZone® is primarily intended for appropriate raw meaty structures and compatible chews, not uncontrolled cooked leftovers. Heating can change the collagen component and mechanical behaviour of bone.[14] The cooking method matters scientifically, but a household cooking method should not be assumed to make a bone suitable.
Does raw mean risk-free?
No feeding method is risk-free. Raw animal foods require dependable sourcing, cold storage, clean handling and sensible management. Published reviews document microbiological hazards from raw pet foods, including risks to dogs and household members.[15] Those risks should be managed seriously rather than used to pretend that food structure has no value.
Can hard bones fracture teeth?
Yes. Very hard chews can damage teeth, and professional veterinary guidance warns about fractures from hard items including bones.[16] Lonsdale's own work warns against dry bare weight-bearing bones, hard knuckles and lengthwise-sawn femurs.[7][8] BoneZone® is designed for intelligent item selection, not a contest to find the hardest object a dog can bite. You can still find these large 'Dino Bones' in our marketing material, but they have never been intended as food.
Does BoneZone® eliminate choking, obstruction or dental risk?
No. BoneZone® improves control over presentation, resistance, movement, location and supervision. It cannot make an unsuitable item suitable or replace the owner's judgement. Its value is real without pretending it makes feeding risk-free.
Why buy BoneZone® instead of placing food on the ground?
Because the ground does not reliably provide stable counterforce or control. BoneZone® anchors the item, controls where it travels, allows height and orientation to be adjusted, reduces reliance on dirty paws and makes the session easier to supervise and clean up.
What does “WILD MECHANICS. DOMESTIC CONTROL.” actually mean?
It means preserving more of the gripping, pulling, tearing, stripping, chewing and extraction work associated with substantial animal food, while using engineered infrastructure to control where and how that work occurs.
Is this really what BoneZone® is for?
Yes.
A whole rabbit hanging from the station, a whole mackerel held in place, a turkey neck or poultry frame that cannot slide away, and a meaty rib section that gives the dog something real to pull against.
That is not an edge case. That is BoneZone® doing the work it was built to do.
Research references and source record
[1] Lonsdale T. Oral Disease in Cats and Dogs. Post Graduate Committee in Veterinary Science, University of Sydney. Control and Therapy Series No. 3128. December 1991. Read the publication.
[2] Lonsdale T. Raw Meaty Bones: Promote Health. University of Sydney, Control and Therapy Series No. 3323. December 1992. Read the archived paper.
[3] Lonsdale T. Feeding vs Nutrition: Have We Lost the Plot in Small Animal Dietetics? Australian Veterinary Practitioner. 1993;23(1). Read the archived paper.
[4] Lonsdale T. Preventative Dentistry. Veterinary Dentistry, Proceedings 212, Post Graduate Committee in Veterinary Science, University of Sydney. June 1993. Read the chapter.
[5] Lonsdale T. Raw Meaty Bones: Promote Health. Rivetco Pty Ltd. 2001. Book information.
[6] Lonsdale T. Work Wonders: Feed Your Dog Raw Meaty Bones. Rivetco Pty Ltd. 2005. ISBN 9780975717400. Raw Meaty Bones website.
[7] Lonsdale T. Raw Meaty Bones: Essential Food for Working K9s. K-9 Cop Magazine. September/October 2011. Read the article.
[8] Lonsdale T. Raw Meaty Bones Essentials. University of Sydney Centre for Veterinary Education, Control & Therapy Series, Issue 291, No. 5682. June 2018. Read the paper.
[9] Quinn R, Masters S, Starling MJ, 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.
[10] Bauer JE. The essential nature of dietary omega-3 fatty acids in dogs. Journal of the American Veterinary Medical Association. 2016;249(11):1267-1272. https://doi.org/10.2460/javma.249.11.1267. PubMed record.
[11] Marx FR, Machado GS, Pezzali JG, et al. Raw beef bones as chewing items to reduce dental calculus in Beagle dogs. Australian Veterinary Journal. 2016;94(1-2):18-23. https://doi.org/10.1111/avj.12394. PubMed record.
[12] Pinto CFD, Lehr W, Pignone VN, Chain CP, Trevizan L. Evaluation of teeth injuries in Beagle dogs caused by autoclaved beef bones used as a chewing item to remove dental calculus. PLOS ONE. 2020;15(2):e0228146. https://doi.org/10.1371/journal.pone.0228146.
[13] Jordan NR, Boyd ET, Conaghan J, Michelmore J, Shaw ME, Pitcher BJ. Effect of Carcass Feeds on Feeding Behavior and Social Interactions in Zoo-Based African Wild Dogs (Lycaon pictus). Zoo Biology. 2025;44(4):313-323. https://doi.org/10.1002/zoo.21895. Open-access article.
[14] Wang X, Bank RA, TeKoppele JM, Agrawal CM. The role of collagen in determining bone mechanical properties. Journal of Orthopaedic Research. 2001;19(6):1021-1026. https://doi.org/10.1016/S0736-0266(01)00047-X. This laboratory work used heat-treated human bone and provides mechanistic evidence rather than a canine feeding trial.
[15] Davies RH, Lawes JR, Wales AD. Raw diets for dogs and cats: a review, with particular reference to microbiological hazards. Journal of Small Animal Practice. 2019;60(6):329-339. https://doi.org/10.1111/jsap.13000. PubMed record.
[16] American Animal Hospital Association. Don't Chew On This! Published 4 April 2024. Read the AAHA guidance.
For the wider historical source collection, see Tom Lonsdale's Papers and Articles archive.
About the author
Peter Britten is the founder of BoneZone® and developed the Structural Feeding™ framework through years of observing Phoenix and solving the practical problems created when substantial food remains a loose object. His work combines product engineering, direct observation and a growing evidence base around food structure, resistance, chewing and canine feeding behaviour.
Important veterinary and handling notice
This article explains the purpose and philosophy of BoneZone® and provides general educational information. It does not replace individual veterinary or nutritional advice. Bones, hard chews and raw animal foods can cause tooth damage, oral injury, choking, obstruction, infection or other harm. BoneZone® does not make an unsuitable item suitable.
Select food for the individual dog's size, dental condition, health, experience and behaviour. Use dependable sources, maintain cold-chain and hygiene practices, supervise every session and remove an item if its condition or the dog's interaction makes it unsuitable.
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