PET42 guide
What can dogs taste? How their sense of taste works
Dogs experience food through taste, smell and texture. Understanding their preferences can help explain why they accept some foods and reject others.

In this article
Straight to the topic
- How your dog's sense of taste really works
- How does the dog's sense of taste work?
- The flavours in dogs
- 🟠 Sweet
- This explains why many dogs:
- 🟠 Salty
- 🟠 Sour
- 🟠 Bitter
- For this reason:
- 🟠 Umami (meaty/savoury)
- Why dogs often eat “differently” than we expect
- This is because dogs:
- The smell is more important than the taste
- Can dogs taste differences between foods?
- They can distinguish these factors clearly. What they do not assess as we do includes:
- Why some dogs seem “picky”.
- Conclusion
How your dog's sense of taste really works
Many dogs eat things that we humans would never try - others spurn their food even though it is “high quality”. This often leads to the question: Can dogs actually taste? The answer is: Yes - but very differently than we do.
How does the dog's sense of taste work?
Dogs have significantly fewer taste buds than humans:
This doesn't mean that dogs don't taste anything - but that taste plays a different role for them. In dogs, the sense of taste, smell and texture work closely together.
👉 For dogs, smelling is more important than tasting.
- Human: approx. 9,000 taste buds
- Dog: approx. 1,700 taste buds
The flavours in dogs
Dogs can basically perceive the following tastes:
🟠 Sweet
Yes – dogs can taste sweet. They react particularly to:
- Sugar
- Carbohydrates
- sweet aromas
This explains why many dogs:
- like fruit
- Prefer treats
- Find food with sweet components attractive
🟠 Salty
Dogs perceive salt, but are less dependent on it than humans. Too much salt is not healthy for dogs and should not be specifically offered.
🟠 Sour
Dogs usually find sour unpleasant. Many dogs avoid:
This is a natural protective mechanism.
- Citrus fruits
- strongly acidic foods
🟠 Bitter
Dogs taste bitter particularly well - and instinctively avoid it. This makes evolutionary sense, as many toxic substances taste bitter.
For this reason:
- Many dogs refuse medication
- avoid bitter plants
🟠 Umami (meaty/savoury)
Umami is extremely important for dogs. This taste signals:
👉 This is why dogs love:
- protein
- Meat
- Nutrient density
- Meat
- broth
- protein-rich food
Why dogs often eat “differently” than we expect
Many owners wonder why a dog:
- refuses high-quality food
- finds rubbish, soil or faeces exciting
- prefers treats
This is because dogs:
A dog does not eat “for pleasure”, but rather functionally.
- are strongly influenced by smell
- Find texture very important
- respond to energy and nutrients rather than culinary qualities
The smell is more important than the taste
Up to 80% of a dog's food acceptance depends on smell. Therefore:
👉 If a dog's food tastes "like nothing", he often won't eat it - even if it's nutritionally suitable.
- Wet food often smells more attractive than dry food
- warm food is better accepted
- Slightly moistened food appears “tastier”.
Can dogs taste differences between foods?
Yes – dogs can:
- Fat content
- Type of protein
- consistency
- temperature
They can distinguish these factors clearly. What they do not assess as we do includes:
- fine spices
- complex flavours
- “Variety for the sake of variety”
Why some dogs seem “picky”.
A dog that eats poorly is not automatically picky. Reasons can be:
The taste is only part of the whole.
- Discomfort in the gastrointestinal tract
- stress
- wrong amount of food
- negative association with food
- too many treats
Conclusion
Dogs can taste – but differently than we do. What counts for them:
more than subtle nuances of taste. If you understand how dogs perceive taste, you can better classify feeding behaviour and avoid unnecessary worries.
Find out which food and what amount of food really suits your dog
When dogs refuse their food or constantly ask for treats, it is often not because of the taste, but rather because their feeding is not optimally balanced.
- Odour
- Nutrient content
- compatibility
- texture
Advice tailored to your dog
Find the right food and portion size for your dog
Many unusual eating behaviours are not caused by a deficiency, but rather by food that is not optimally balanced.
PET42 creates an individual food recommendation, independent of manufacturers, based on your dog’s details, including the appropriate food quantity in grams.
Questionnaire, checkout and feeding advice are provided in German.





