PET42 guide
My dog eats soil: causes, feeding and when to act
Soil eating can reflect curiosity, stress or feeding that does not suit the dog. Look at frequency, digestion, food quantity, fibre and activity.

At a glance
The key points
- why dogs eat soil
- which causes are most common
- when the behaviour is not problematic
- when to take a closer look
- what role the amount of food, fibre and activity play
In this article
Straight to the topic
- Dogs eating soil – how often does this happen?
- Possible Causes: Why Does a Dog Eat Soil?
- 2. Displacement behaviour or stress
- 3. Lack of stimulation or boredom
- Does feeding play a role?
- Fibre: too little or too much?
- The amount of food – an often underestimated factor
- Activity and energy requirements
- Eating soil ≠ nutrient deficiency (but don't ignore it either)
- Accompanying signs to look out for
- What you shouldn't do
- When should you take a closer look?
- Why individually tailored feeding is crucial
- Conclusion: Take soil eating seriously – but classify it correctly
Many dog owners watch it with concern at some point: the dog stops, lowers its head - and eats dirt. Whether in the garden, in the forest or on the dog-walking field - this behaviour seems unusual at first glance and quickly raises questions. Is there something wrong with the dog? Could there be a deficiency? Or is it just a harmless quirk?
The short answer is: There is not always a nutrient deficiency behind it - but the behaviour should still be taken seriously.
Eating soil can have a variety of causes, from harmless curiosity to indications of feeding that is not optimally coordinated.
In this post you will find out:
- why dogs eat soil
- which causes are most common
- when the behaviour is not problematic
- when to take a closer look
- what role the amount of food, fibre and activity play
Dogs eating soil – how often does this happen?
Eating soil (technically: geophagy) is more common in dogs than many people think. Some dogs only show this behaviour occasionally, others very specifically and repeatedly.
The context is always important:
- Does the dog only eat dirt briefly once?
- or does he regularly visit certain places?
- Does the behaviour occur together with digestive problems?
Not all soil eating is automatically an alarm signal - but it is always an indication to take a closer look.
Possible Causes: Why Does a Dog Eat Soil?
1. Curiosity and exploratory behaviour
Young dogs in particular explore their environment with their mouths and noses. Soil smells intensely, contains many smells from other animals and can simply be interesting.
Typical:
- Puppies or very young dogs
- one-off or occasional behaviour
- no other unusual behaviour
In these cases, soil eating is usually harmless.
2. Displacement behaviour or stress
Dogs exhibit certain behaviours in response to internal tension. Eating soil can be a so-called displacement behaviour - i.e. an outlet for stress, insecurity or excessive demands.
Possible triggers:
- new environment
- too many stimuli
- Frustration on the lead
- inner unrest
The behaviour often occurs depending on the situation, for example:
- while waiting
- in exciting situations
- after conflicts
3. Lack of stimulation or boredom
Does feeding play a role?
Yes – in many cases. Even if not every dog that eats soil has a deficiency, the behaviour can indicate a feeding that is not optimally coordinated.
It's not just about ingredients, but above all about:
- Amount of food
- Fibre content
- Relationship between energy intake and activity
Fibre: too little or too much?
Fibre plays a central role in digestion - and therefore also in the dog's well-being.
Too little fibre intake:
- Faeces very soft or changing
- frequent eating of grass or soil
- Restlessness after eating
Too much fibre intake:
- very large amounts of faeces
- Flatulence
- frequent defecation
What matters is the balance, not the maximum amount.
The amount of food – an often underestimated factor
A very common connection when it comes to eating soil is an inappropriate amount of food.
Too little food:
- Dog is very active
- high energy consumption
- persistent slight feeling of hunger
Too much food:
- Digestion is overwhelmed
- Intestine reacts sensitively
- Nutrients are not utilised optimally
Activity and energy requirements
Particularly active dogs – young dogs, sporty dogs or dogs that get a lot of exercise – have higher energy requirements.
If:
- the amount of food is not adjusted
- the food does not match the activity
In these situations, behavioural changes may occur, including eating soil.
Eating soil ≠ nutrient deficiency (but don't ignore it either)
Not every dog that eats soil automatically suffers from a nutrient deficiency.
Nevertheless:
- the behaviour occurs regularly
- it becomes more pronounced
- it occurs alongside digestive problems
➡️ feeding should be checked.
Accompanying signs to look out for
- soft or changing stools
- frequent diarrhoea
- Flatulence
- Restlessness after eating
- increased grass eating
What you shouldn't do
- Ignore behaviour if it occurs frequently
- give supplements too quickly
- generally assume “deficiency”.
- only treat symptoms
When should you take a closer look?
In these cases, it is worth checking the whole diet - not just individual components.
- the dog specifically looks for earth
- the behaviour occurs again
- it coincides with food changes
- the dog is very active
- Digestive problems arise
Why individually tailored feeding is crucial
Standard feeding recommendations often fall short. An individually calculated amount of food and a suitable composition can help to better classify such behaviour and reduce it in the long term.
Conclusion: Take soil eating seriously – but classify it correctly
When dogs eat soil, there is not always a deficiency behind it. Often it is curiosity, stress, restlessness or feeding that is not optimally coordinated.
If the behaviour occurs more frequently or is accompanied by digestive problems, it is worth taking a closer look at the amount of food, fibre intake and activity.
Because the solution often lies not in additives, but in a more suitable diet.
Frequently asked questions
Answered briefly and understandably
Is it dangerous if my dog eats soil?
In small quantities it is often not critical. However, frequent or targeted eating of soil can indicate stress, gastrointestinal issues or inappropriate feeding.
Can the amount of food cause soil eating?
Yes. Too little food can cause hunger and restlessness, while too much food puts a strain on digestion. A need-based amount can reduce the behaviour.
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.





