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Babesiosis
Piroplasmosis, or babesiosis, is a parasitic blood disease caused by microorganisms called Babesia, which destroy red blood cells. It mainly affects dogs and cattle in Tunisia, especially during warm periods favorable to ticks. This disease...
What is it?
Piroplasmosis, or babesiosis, is a parasitic blood disease caused by microorganisms called Babesia, which destroy red blood cells. It mainly affects dogs and cattle in Tunisia, especially during warm periods favorable to ticks. This disease can progress quickly and requires prompt veterinary attention.
The disease is caused by single-celled parasites of the genus Babesia, which infect and destroy the animal's red blood cells. Different species of Babesia exist, some more dangerous depending on the animal species affected. These parasites multiply in the blood, causing progressive anemia.
Animals living in tick-infested areas or lacking regular parasite protection are at higher risk. Young animals, weakened or stressed individuals, and those living in rural areas or pastures are particularly vulnerable. Warm and humid seasons favor tick proliferation and thus the spread of the disease.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
Common signs include high fever, extreme fatigue, loss of appetite, and dark-colored urine (red or brown). Pale or yellowish mucous membranes are also often observed due to red blood cell destruction. In severe cases, the animal may show breathing difficulties or significant weakness.
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Transmission
Transmission mainly occurs through the bite of infected ticks that inject the parasite into the animal's blood. It can also occur, more rarely, through blood transfusion or from mother to offspring before birth. The disease is not directly transmissible between animals without a tick vector.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
If symptoms suggestive of babesiosis appear, it is essential to consult a veterinarian promptly for proper examination. Only a professional can confirm the disease and recommend appropriate care for the animal's condition. Never attempt self-medication, as delaying consultation can worsen the situation.
Prevention
Prevention mainly relies on tick control using appropriate antiparasitic products, to be used according to veterinary advice. Regularly inspecting the animal's coat and avoiding areas with heavy tick presence is also recommended. Regular veterinary check-ups help detect any suspicious signs early.
References
ESCCAP — European Scientific Counsel Companion Animal Parasites
Content reviewed by the TunisieVet editorial team · Updated 08 August 2026
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