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How do African game animals control trypanosome infections?
1A.F. Mulla and L.R. Rickman are at the Parasitology Unit, Tropical Disease Research Centre, Ndola, Zambia.
Parasitology Today (Personal Ed.)
|December 1, 1988
Summary
Wild mammals resist African trypanosomiasis, unlike cattle. Understanding this trypanotolerance in wildlife is crucial, but data remains limited and scattered, highlighting the complexity of survival mechanisms.
Area of Science:
- Veterinary Medicine
- Parasitology
- Immunology
Background:
- African trypanosomiasis affects sub-Saharan Africa, with domestic animals succumbing to infection.
- Wildlife in endemic areas often carry trypanosomes but exhibit resistance, acting as reservoir hosts.
- Mechanisms of trypanotolerance in wild mammals are poorly understood due to sparse data.
Purpose of the Study:
- To review existing studies on African trypanosomiasis in wildlife.
- To illustrate the complexity of trypanotolerance mechanisms in resistant wild mammals.
- To highlight the need for further research into wildlife resistance to trypanosomes.
Main Methods:
- Literature review of previous studies on African trypanosomiasis in wildlife.
- Analysis of data on trypanosome infections and host resistance in various wild mammal species.
- Synthesis of information to understand survival strategies.
Main Results:
- Wildlife species demonstrate significant resistance to African trypanosomiasis, contrasting with domestic animals.
- Infected wildlife generally show no adverse effects, indicating effective survival strategies.
- Data on the specific mechanisms of this resistance are scarce and fragmented.
Conclusions:
- The survival of wild mammals against African trypanosomiasis is complex and not fully elucidated.
- Understanding wildlife trypanotolerance is vital for controlling the disease in domestic animals.
- Further research is essential to uncover the mechanisms behind wildlife resistance to trypanosomes.