Bull Pizzles for Dogs: Benefits, Risks and Correct Use
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Your dog is lying quietly on his blanket, chewing with total focus and ignoring every distraction. You watch and wonder: is this really good for him? Does it help his teeth? And what's actually in it? Bull pizzles are among the most popular natural chews, but they also raise some legitimate questions: how long should your dog be allowed to chew? What size is safe? And what if he can't tolerate beef? This guide gives you clear answers, from choosing the right variant to when a bull pizzle fits into an elimination diet and when it doesn't.
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What is a bull pizzle and which body part is it?
A bull pizzle is the dried penis of a bull. It is an animal-based chew, not a bone. If you're wondering what exactly a bull pizzle is, it means a dried slaughter by-product.
How are bull pizzles made?
According to the product description, the raw material used in our linked NANDOO products is air-dried. This removes moisture from the tissue. The specific processing and composition are as stated on the relevant product page and packaging.
What's inside? A concrete declaration example
The product page for our 15 cm bull pizzle in the 250 g pack lists the following analytical constituents:
- Crude protein: 85.3%
- Crude fat: 6.9%
- Crude ash: 1.0%
- Crude fibre: 1.5%
These figures apply to this specific product. They are not universal values for all bull pizzles. Compare them with the current packaging declaration when you buy. Crude protein and crude fat describe the composition; they do not allow you to derive a reliable calorie count per piece based on length alone.
For a single-ingredient beef product, single-protein means it contains only one animal protein source. This makes it easy to understand, but it does not automatically mean it is tolerated by every dog.
Are bull pizzles healthy and sensible for dogs?
A bull pizzle is a complementary snack. It does not replace a balanced main diet. It can be a sensible choice if your dog tolerates beef, chews safely and the amount eaten fits his daily ration.
Enrichment through chewing
Chews offer a way to provide enrichment. The World Small Animal Veterinary Association (WSAVA) lists enrichment and mental stimulation as possible benefits of treats. The best way to see how your dog responds to a bull pizzle is to watch him directly: does he chew calmly, or does he try to hastily swallow large pieces? [1]
What does a bull pizzle do for the teeth?
Chewing alone is not proof of any specific dental cleaning effect. For the bull pizzles linked here, this guide does not provide any product-specific evidence of effectiveness in reducing plaque or tartar. For verified dental products, the AAHA refers to the Veterinary Oral Health Council. [2]
A bull pizzle does not replace toothbrushing. The AAHA recommends daily toothbrushing to remove plaque; this does not remove existing tartar. If the gums are inflamed or your dog seems to be in pain, have the teeth examined by a vet first. [3]
Which size fits: 15 cm or 26 cm bull pizzle?
Length alone does not determine suitability. Thickness, hardness, mouth size and chewing behaviour matter too. A longer piece is no guarantee against choking, as it gets smaller while being chewed and your dog can bite off pieces.
- Bull Pizzle 15 cm, 250 g: the shorter variant. Before giving it to your dog, check whether he could already take the whole piece into his mouth.
- Bull Pizzle 26 cm: the longer variant. Here too, you need to watch the chewing process and remove small leftover pieces in good time.
The WSAVA recommends a size and shape suited to the dog to reduce the risk of choking. For dogs that mostly gulp down chews rather than chewing them properly, a different snack or another form of enrichment is often the better choice. [1]
How long does a dog chew a bull pizzle?
A fixed chewing time cannot be stated reliably for all dogs. It depends on the individual dog and the specific piece. That's why you won't find blanket time-in-minutes figures by weight class here. Watch how your dog chews, and stop giving it to him if he swallows large pieces, the remaining piece becomes small enough to swallow, or he shows any signs of discomfort.
What risks do bull pizzles pose for dogs?
Choking and unsuitable hardness
The WSAVA generally warns of injuries and blockages caused by unsuitable snacks and recommends avoiding excessively hard chews. The AAHA also points to possible tooth damage from hard chew products. So check the specific piece and your dog's teeth carefully. [1] [2]
Beef allergy and intolerance
If your dog has a known beef allergy, a beef bull pizzle is not suitable. "Single-protein" does not mean "allergy-free". If your dog shows symptoms after feeding, stop giving the snack for now and discuss the cause with your vet. [4]
Calories and feeding amount
Dried chews provide energy too. A measurement in centimetres does not tell you how many calories your dog is taking in. For that, you need the weight eaten and a product-specific energy value.
The WSAVA recommends limiting snacks to less than 10% of daily calorie intake. This includes all treats and chews combined. If your dog is on a prescribed diet, the individually agreed guidelines apply. If the energy content is not shown on the packaging, ask the manufacturer. [1]
How often can my dog have a bull pizzle?
A fixed recommendation such as "twice a week" takes neither piece weight nor energy requirements into account. What matters is the amount actually eaten, other snacks given and tolerance. If your dog is overweight, unwell or on a special diet, agree the amount together with your vet.
Checklist before and during feeding
- Match size and hardness to the individual dog.
- Supervise throughout the whole chewing session.
- Provide fresh drinking water.
- Remove swallowable leftover pieces in good time.
- Factor the amount eaten into the daily ration.
- If your dog has dental problems or is on a prescribed diet, check suitability beforehand.
Buying bull pizzles: quality, declaration and storage
Check the composition, the analytical constituents and the feeding and storage instructions. If you're looking for a single-ingredient chew, the declaration should make this clear. A short ingredients list is helpful but does not replace checking whether the product suits your dog.
Distinguish between information about the origin of the raw material and information about where it was processed. If you want to know where the animal came from, ask specifically. A statement that drying or packaging took place in Germany alone does not tell you this.
How do I store bull pizzles?
Follow the storage instructions and the best-before date on the packaging. The linked NANDOO product page recommends cool, dry and well-sealed storage. Use clean containers and protect the product from moisture.
For chewed, moist leftovers, you cannot derive a safe storage time from the shelf life of unopened product. Ask for product-specific guidance if needed. Do not continue using anything that is visibly mouldy or has clearly changed. Freezing does not make spoiled product safe again.
Are bull pizzles suitable for allergy sufferers and an elimination diet?
Containing just one protein source does not automatically make a snack suitable for dogs with allergies. What matters is whether your dog tolerates beef. Beef, too, can be an allergy trigger. [4]
An elimination diet is a targeted diagnostic measure. It can be carried out with a chosen protein source or a veterinary diet using hydrolysed proteins. During this time, you should only give chews with the explicit approval of the treating vet. A snack from a seemingly suitable animal species is not automatically compatible with every diet. [4]
You can find out more in our guide to elimination diets. If another animal species is an option, you can check the declarations of our horse lung and rabbit ears. This does not replace approval for an ongoing diet.
Bull pizzles for dogs: what matters when choosing
A well-chosen bull pizzle can give your dog chewing enrichment. Choose it based on chewing behaviour, teeth and tolerance. Neither the length nor a single-ingredient declaration guarantees safety or tolerance.
- Only give it under supervision and remove swallowable leftover pieces.
- Factor the amount eaten into the daily ration.
- If your dog has a beef allergy, choose a suitable alternative.
- During an elimination diet, use it only with veterinary approval.
- Keep up regular dental care.
Compare our 15 cm bull pizzle and 26 cm bull pizzle. You'll find current prices and product details on the respective shop pages.
Frequently asked questions about bull pizzles for dogs
What is a bull pizzle and which body part is it?
A bull pizzle is the dried penis of a bull. It is sold as an animal-based chew and is not a bone.
How often can my dog have a bull pizzle?
This depends on the amount eaten, energy needs, other snacks and tolerance. A fixed weekly amount does not suit every dog. Keep the overall snack budget in mind; the WSAVA recommends less than 10% of daily calorie intake from snacks. [1]
How long can my dog chew a bull pizzle?
There's no universal number of minutes that applies to every dog. Watch your dog while he chews. Take away any swallowable leftover pieces and stop giving it to him if he swallows large pieces or shows signs of discomfort.
Is 15 cm or 26 cm better?
This depends on mouth size, chewing behaviour, thickness and hardness. A longer variant is no guarantee against choking. Check the specific piece before and during feeding.
Are bull pizzles suitable for puppies?
Suitability depends on the stage of dental development and chewing behaviour. Get advice on the right choice for your puppy, especially during teething. Do not give a chew that is too hard for his teeth.
Are bull pizzles suitable for dogs with allergies?
Only if the dog tolerates beef. Single-protein does not mean allergy-free. During an elimination diet, veterinary approval is required. [4]
How many calories does a bull pizzle have?
A reliable figure needs the piece weight and the energy content of the specific product. The calorie amount cannot be determined from length alone. Ask the manufacturer if the energy value is missing.
Does a bull pizzle replace toothbrushing?
No. A proven dental cleaning effect cannot be assumed from chewing alone. The AAHA recommends daily toothbrushing; veterinary check-ups are still required. [3]
Sources and further information
The following expert sources cover general recommendations on treats, dental care and allergy diagnostics. They are not an effectiveness assessment of the linked NANDOO products. Links checked on 8 October 2026.
- WSAVA: Feeding treats to your dog (PDF, in English), covering snack budget, appropriate size, supervision and risks.
- AAHA: Explaining the role of nutrition in dental health (in English), covering verified dental products and the risks of hard chew products.
- AAHA: Recommending home oral hygiene and products (in English), covering daily toothbrushing and veterinary dental care.
- VCA Animal Hospitals: Food Allergies in Dogs (in English), covering allergy triggers and diagnostic diets.
- NANDOO product page: Bull Pizzle 15 cm, 250 g, covering composition, analytical constituents and storage instructions; cross-check details against the current packaging.
More popular chews for your dog
If your dog loves to chew, it's also worth taking a look at our other natural chews: goat feet, crunchy horse ears without fur, rabbit ears with fur, the long-lasting horse lung or beef gullet strips. For fish fans, dried sprats are another option. You'll find the full range in our natural chews collection.
Bull pizzles and many more natural chews
Compare the composition, size and feeding guidance of our bull pizzles and other natural chews. Choose the one that suits your dog.
