Guinea pig poop can tell you a lot about what is going on in its GI system. It can signal digestive upset or serious illness.
Once you know what healthy droppings should look like, you can act quickly to safeguard your guinea pig’s health. Read on to learn all that you need to know about it and when professional care is necessary.
Why Checking Your Guinea Pig Poop Is Important
Assessing your guinea pig poop is crucial because it’s connected to their general health. It can require a simple diet change, such as providing Dried Red Clover as a treat for added calcium or protein, or an emergency vet trip.
Here are some reasons you should check those feces regularly:
Early indicators of sickness
Guinea pigs are prey creatures, which explains why they may hide their weakness. A change of droppings, i.e., size, texture, or frequency, may be one of the first indications that something is amiss, even though your furry friend otherwise looks great.
Preventing serious problems
Digestive problems can quickly become life-threatening. If your piggy suddenly stops passing droppings, it may indicate gastrointestinal stasis, a serious condition. Symptoms can include dehydration, abdominal pain, and tooth grinding. If left untreated, this can be fatal.
Identifying an imbalanced diet
The shape and consistency of your guinea pig poop tend to mirror its diet. Smelly or soft droppings suggest too many vegetables or a lack of fiber, while dry ones might indicate dehydration. Most often, offering regular access to hay and fresh water solves the problem.

What Normal Guinea Pig Poop Should Look Like
When cleaning your furry friend’s enclosure, watch out for these characteristics in its poop:
Quantity
Healthy guinea pigs produce a lot of droppings, around 100 per day. Older piggies do less.
Shape and size
Droppings should be of uniform shape and size, typically 1.5–2 cm long in adult males. An oval shape with rounded ends is considered normal.
Color
Normal guinea pig poop would be medium to dark brown, green, or black. It’ll slightly shine when freshly passed.
Consistency
Droppings should be smooth, firm, and plump. Test if they retain their shape.
Smell
Healthy guinea pig poop hardly has an odor.
When to Be Worried About Your Guinea Pig Poop
Some changes can indicate impending health issues:
Odd shapes or sizes
Tear-shaped droppings may mean chewing or dental issues. Conversely, small droppings indicate dehydration, minimal fiber intake, or digestive upset. A Plantain-based forage treat can correct fiber shortage.
Consistency problems
Deformed and loose poos are generally due to diet issues in guinea pigs. Maybe you’ve overfed them with watery greens or sugary fruits. Sometimes, it can also be due to bacterial infection or clogging of the intestines.
Color changes
Minor variations are normal if your guinea pig eats many greens. However, frequent gray or greenish guinea pig poop could be a sign of indigestion or liver problems.
Smelly
As previously mentioned, guinea pig feces hardly stink. It can become pungent due to:
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- Bacterial or parasitic infections, such as Salmonella
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- Diarrhea
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- Stress
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- Dental issues
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- Urinary tract infection (UTI)
UTI may make the poop of your guinea smell fishy due to urine buildup. You can boost your piggy’s immune system with Echinacea, but consult a vet first.
When an Emergency Vet Visit is Necessary
If your guinea pig’s poop changes suddenly, first check that your guinea pig has fresh hay, clean water, and a balanced diet. In this case, Guinea Pig Food Pellets can provide adequate vitamin C and minerals.
However, get immediate vet care if you notice:
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- A sudden decrease or complete lack of droppings
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- Persistent diarrhea
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- Blood in the poop
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- Red, black, or tar-colored stools
These symptoms, especially combined with lethargy, loss of appetite, rough coat, or slouched posture, may indicate potentially life-threatening disease. Prompt veterinary care is the only way to identify the cause and provide treatment.
Want to Learn More about Your Guinea Pig Poop?
For a detailed explanation about guinea pig poop from an expert, watch this short video by Saskia. She covers what normal and abnormal droppings look like, how diet and hydration affect them, and when to seek immediate veterinary care. This video is a helpful resource for anyone monitoring guinea pig health.
Conclusion – Monitoring Your Guinea Pig Poop Can Be Simple and Effective
Checking your guinea pig’s poop regularly allows you to catch early warning signs of health problems. If you know what healthy droppings are like and when to worry, you can act accordingly.
It may mean making dietary changes with fiber supplements or contacting a vet. Observing the stools is an easy and efficient way to keep your fur-baby’s health in peak condition.
Disclaimer:
We are not veterinarians, and none of our information should be construed as veterinary advice.
Before adding any new product, please consult your exotic veterinarian. If your pet is acting unwell and you have concerns for their well being, please contact your vet immediately.