Gastrointestinal Parasitism in Bushbabies (Roundworms)
The bushbaby is a small nocturnal primate native to Africa, sometimes kept in captivity in zoos or specialized facilities. Like many primates, it can harbor roundworms (nematodes) in its digestive tract. These parasites live in the intestin...
What is it?
The bushbaby is a small nocturnal primate native to Africa, sometimes kept in captivity in zoos or specialized facilities.
Like many primates, it can harbor roundworms (nematodes) in its digestive tract.
These parasites live in the intestines and feed at the animal's expense, which can weaken its health if the infestation becomes severe.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
Related signs — each one links to its page:
A light infestation may cause no visible signs.
When the parasite burden increases, diarrhea or soft stools may be observed, sometimes with visible worms.
The animal may lose its appetite, gradually lose weight, and have a dull or poorly groomed coat.
A swollen or bloated belly is sometimes noted, especially in young animals.
In more severe cases, dehydration, general lethargy, and failure to thrive in young bushbabies may occur.
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Causes and risk factors
The disease is caused by roundworms (nematodes) that settle in the bushbaby's intestines.
Several species of nematodes may be involved depending on the region and breeding conditions.
The animal most often becomes infected by swallowing eggs or larvae present in the environment, on food, or during grooming.
Young galagos, weakened or stressed animals, and those living in poorly cleaned enclosures are at higher risk. Contact with other parasitized animals, inadequate enclosure hygiene, and an immune system weakened by another disease also increase the risk of heavy infestation.
Transmission
Transmission occurs mainly through the oral route: the animal swallows worm eggs or larvae present in its environment, on contaminated food, or while grooming after contact with contaminated surfaces.
A damp, poorly cleaned, or overcrowded environment favors the persistence of infective stages and increases the risk of reinfection.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
The veterinarian relies on clinical examination of the animal and especially on fecal analysis (fecal flotation), which allows detection and identification of worm eggs. In some cases, additional tests such as a blood sample may be recommended to assess the overall impact of the infestation.
Treatment
Treatment is based on giving antiparasitic medications suitable for primates, prescribed and dosed only by a veterinarian specializing in exotic animals. Nutritional support and rehydration may be given if the animal is weakened. Complete cleaning of the environment is essential alongside treatment to prevent immediate reinfection.
Treatment depends on the cause and the animal's condition: it must be determined by a veterinarian. No self-medication.
Prevention
Regular and thorough cleaning of the enclosure significantly reduces the risk of infestation. It is recommended to remove droppings daily, disinfect surfaces, and prevent moisture buildup. Regular parasite screening, on veterinary advice, makes it possible to detect an infestation before symptoms appear. Quarantine of any new animal before introduction to an existing group is also a useful measure.
Possible complications
Heavy untreated infestation can lead to severe dehydration, significant weight loss, and stunted growth in young animals. In rare severe cases, intestinal blockage from a mass of worms is possible. General weakening can also make the animal more vulnerable to other infections.
When to see a veterinarian
Visible worms in the droppings. Diarrhea lasting several days. Unexplained weight loss or loss of appetite. Abdominal bloating, especially in a young galago. Marked lethargy or apparent dehydration.
Prognosis
The prognosis is generally good when infestation is detected early and treated by a veterinarian experienced with exotic animals.
Neglected or heavy infestations, particularly in young animals, may have a less favorable outcome due to overall weakness and possible complications.
Frequently asked questions
Are roundworms from the galago transmissible to humans?
Most gastrointestinal nematodes of non-human primates are host-specific, but close contact with a parasitized animal and poor hygiene should always be avoided as a precaution. Consult a veterinarian if in doubt.
How can I tell if my galago has worms without seeing them in its droppings?
Many light infestations show no visible signs. Only a fecal analysis performed by a veterinarian can confirm or rule out the presence of parasites.
Should a galago be dewormed regularly even without symptoms?
Regular parasitological monitoring, decided in consultation with a veterinarian specializing in exotic animals, is preferable to systematic deworming without diagnosis, in order to tailor treatment to the animal's actual condition.
Is good enclosure hygiene enough to prevent roundworms?
It greatly reduces the risk but does not eliminate it entirely, since some parasite eggs can survive for a long time in the environment. It nevertheless remains the most effective preventive measure in daily life.
References
ESCCAP — European Scientific Counsel Companion Animal Parasites
WOAH — Organisation mondiale de la santé animale (ex-OIE)
Content reviewed by the TunisieVet editorial team · Updated 25 August 2026
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