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Observations on cattle ticks in Huila Province (Angola)
A F Gomes1, A M Pombal, L Venturi
1Departamento de Patologia, Instituto de Investigaçao Veterinaria de Angola, Huambo.
Veterinary Parasitology
|February 1, 1994
Summary
A survey in Angola identified Rhipicephalus evertsi mimeticus and Amblyomma pomposum as the most prevalent ticks. These ticks, along with others found, are known vectors of significant cattle diseases.
Area of Science:
- Veterinary Parasitology
- Entomology
- Disease Vector Ecology
Background:
- Ticks pose a significant threat to cattle health in Angola.
- Tick-borne diseases cause substantial economic losses in livestock farming.
- Understanding tick populations is crucial for effective disease control.
Purpose of the Study:
- To conduct a parasitological survey of ticks on cattle in Huila Province, Angola.
- To identify tick species and their prevalence during the rainy season.
- To inform tick and tick-borne disease control strategies.
Main Methods:
- Collected 3864 ticks from cattle during the annual vaccination campaign (Oct 1990-Apr 1991).
- Samples were obtained from 18 veterinary stations across six municipalities.
- Ticks were identified to species level for prevalence analysis.
Main Results:
- Rhipicephalus evertsi mimeticus (27.1%) and Amblyomma pomposum (26.4%) were the most abundant tick species.
- Boophilus decoloratus (19.0%) and Rhipicephalus zambesiensis (9.4%) were also significant findings.
- Several other Rhipicephalus and Hyalomma species were identified, along with Ixodes cavipalpus.
Conclusions:
- The identified tick species are known vectors of protozoal and rickettsial diseases affecting cattle.
- Effective tick and tick-borne disease control requires integrated strategies considering socio-economic and ecological factors.
- Further cost/risk/benefit analyses are recommended for control program development.