Incidents of high tick load in injured cheetahs after reintroduction into a tropical ecosystem

Kendon, Tamar A.; Pereira, Carlos L.; Pereira, Hugo; Brown, Kelsey; Gaynor, David; Briers-Louw, Willem D.; Mozambique Wildlife Alliance; Prof. Luis Neves, University of Pretoria; Cabela Family Foundation; The Metapopulation Initiative; Administração Nacional das Áreas de Conservação

Incidents of high tick load in injured cheetahs after reintroduction into a tropical ecosystem

2025

Ectoparasites can severely impact wildlife species, both through their feeding behaviour and by facilitating secondary infestations or bacterial infections. Here, we report on two cases of periorbital damage caused by ixodid tick infestations in cheetahs (Acinonyx jubatus), including a rare record of traumatic myiasis in wildlife. Both cheetahs were recently reintroduced to the Marromeu-Coutada Complex in Central Mozambique and had sustained relatively severe injuries. This ostensibly yielded them immunocompromised and thus more vulnerable to tick infestations, particularly when exposed to novel species. These incidents occurred during the peak hot-wet season in which adult tick abundance is likely highest. These cases provide novel insights into the risks of tick infestations for reintroduced cheetahs and the importance of intensive post-release monitoring to allow for timeous veterinary intervention.Contribution: This study falls within the scope of the journal. Ixodid ticks are of veterinary importance for wildlife and domestic animals across Africa because of the associated direct damage and potential spread of tick-borne pathogens. This study investigates two cases of tick infestations in cheetahs recently reintroduced into a tropical environment. The identified risk factors appear to be exposure to novel ectoparasites, injuries, and the hot-wet season. This highlights the need to consider ectoparasite risk when planning wildlife translocations.

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