A simple guide to dog gut microbiome testing, how it works, and what you can learn from the results.

We often judge our dog’s health by what we can see — their appetite, energy, stool quality, skin, coat and body condition.

But there is also a complex ecosystem living inside the digestive tract that we cannot see: the gut microbiome.

The gut microbiome is the community of microorganisms that lives inside the gastrointestinal tract. These microorganisms interact with food and produce compounds that are involved in digestion, metabolism and immune function.

And importantly, every dog’s microbiome is different.

Research shows that factors including diet, age, environment, medication and health status can influence the composition of a dog’s gut microbiota. (Frontiers)

That is why microbiome testing is becoming an interesting new way for pet parents to look beneath the surface and learn more about what is happening inside their dog’s gut.

What is a dog gut microbiome test?

A gut microbiome test analyses a small sample of your dog’s stool to examine the microorganisms present in the digestive tract.

Rather than testing one individual bacterium, the aim is to look at the microbial community as a whole.

The result gives you another layer of information about your dog — alongside things you may already monitor, such as their diet, stool condition, weight, lifestyle and general health.

At Petsona, this is especially interesting because we have always believed that no pet is the same. Two dogs of a similar breed, age and size can still respond differently to food and have very different biological profiles.

Microbiome testing gives us another way to explore that individuality.

How does the test work?

The process is designed to be simple and largely completed from home.

1. Collect a stool sample at home

The test kit includes materials for collecting a small sample from your dog’s stool.

This means there is no blood draw or invasive procedure required for the microbiome test itself.

2. Send the sample for laboratory analysis

Once collected and prepared according to the instructions, the sample is sent to the laboratory.

3. The microbial DNA is analysed

The testing platform uses third-generation sequencing technology to analyse microbial genetic material within the sample.

Why does this matter?

Long-read sequencing technologies can provide more detailed microbial classification than many earlier sequencing approaches because longer DNA sequences can help distinguish closely related microorganisms more accurately. (Nature)

4. Receive your microbiome report

The laboratory results are then translated into a report that helps you understand your dog’s gut microbial profile.

The testing journey provided for Petsona customers follows this overall process: at-home sampling → send to laboratory → laboratory testing → tailored report.

What will I learn from the report?

The microbiome report is designed to give you a clearer view of the microbial community living inside your dog’s gut.

Rather than giving a simple pass-or-fail result, microbiome analysis can help you explore questions such as:

  • What types of microorganisms are present?
  • How is the microbial community structured?
  • What does my dog’s current gut microbiome profile look like?
  • How might this information fit alongside their diet, stool quality and general health?

This is important because the gut microbiome is not static.

Research suggests that nutrition is one of several factors capable of shaping the canine gut microbial community. Different dietary components, including fibres and other nutrients that reach the colon, can interact with gut microorganisms and influence the metabolites they produce. (Frontiers)

For us, this makes microbiome science particularly relevant to the future of personalised pet nutrition.

Does a microbiome test tell me whether my dog is healthy?

Not by itself.

This distinction is important.

A microbiome test provides additional information about your dog’s gut microbial profile, but it should not be treated as a standalone diagnosis.

It does not replace:

  • a veterinary examination;
  • appropriate diagnostic testing recommended by your vet; or
  • professional medical advice.

Researchers continue to find relationships between gut microbial changes and different aspects of canine health, but microbiome science is still developing. An association between a certain microbiome pattern and a health condition does not necessarily mean that the microbiome caused the condition. (PubMed Central (PMC))

We therefore see the test as another piece of information, rather than a single answer to your dog’s health.

Why is Petsona interested in microbiome testing?

Petsona was built around a simple idea:

No pet is the same — and their nutrition shouldn’t have to be either.

A dog’s nutritional needs are influenced by much more than breed and weight. Their age, activity, preferences, health history and response to food can all matter.

The gut microbiome potentially adds another dimension.

As the science develops, microbiome information may help us build a richer understanding of how individual dogs interact with their diet.

That doesn’t mean looking at a microbiome report and immediately changing a dog’s food.

Instead, we believe the most useful approach is to look at microbiome information alongside other information about the dog.

That is much closer to how we think about personalised nutrition at Petsona: not one isolated number, but a more complete picture of the individual pet.

Who performs the microbiome testing?

For pet parents who would like to know more about the technology behind the test, Petsona is working with Novio as the testing partner.

Novio is a Hong Kong microbiome-focused startup with academic roots. Its materials describe a testing workflow combining at-home sampling, third-generation sequencing, laboratory analysis and a tailored microbiome report.

For Petsona customers, our role is to make access to this technology straightforward while helping explain what the results can — and cannot — tell you.

We believe the value lies not simply in receiving a testing kit, but in gaining another window into the biology of your dog.

Why is the microbiome test valued at HK$1,800?

The physical sampling kit is only one small part of the process.

Behind each microbiome test is a journey involving:

Sample collection → laboratory preparation → DNA sequencing → data processing → microbiome analysis → report generation

Advanced sequencing and data analysis account for much of the work behind the test.

The Dog Gut Microbiome Test available through Petsona has a market value of HK$1,800.

And during our September Referral Program, eligible customers can unlock one free of charge.

Unlock a FREE Dog Gut Microbiome Test 🧬

For a limited time this September, our referral rewards get better as you refer more friends.

Every qualifying referral:💰 Earn HK$100 Petsona credit

Your 1st qualifying referral:💧 Unlock a customised Petsona water bottle

Your 2nd qualifying referral:🩺 Unlock a Petsona Health Pass, including a complimentary health check-up at our partner clinic

Your 3rd qualifying referral:🧬 Unlock a FREE Dog Gut Microbiome Test — market value HK$1,800

And your friends benefit too:

30% OFF their first Petsona order🔁 10% OFF recurring orders

For a referral to count toward the September campaign, your friend must place and successfully pay for their first Petsona order by 30 September 2026. Referral rewards are confirmed after the order has been fulfilled and passes the applicable refund validation.

Ready to share Petsona with another pet parent?

→ Invite Friends

The Dog Gut Microbiome Test is intended to provide additional information about your dog’s gut microbiome. It is not a diagnostic test and is not a substitute for veterinary examination, diagnosis or professional veterinary advice.