Facial dysplasia in wild forest olive baboons (Papio anubis) in Sebitoli, Kibale National Park, Uganda: use of camera-traps to detect health defects - MNHN - Muséum national d'Histoire naturelle Accéder directement au contenu
Communication Dans Un Congrès Année : 2019

Facial dysplasia in wild forest olive baboons (Papio anubis) in Sebitoli, Kibale National Park, Uganda: use of camera-traps to detect health defects

Résumé

Three quarters of the world's primate populations are declining, mainly affected by agriculture, leading to habitat loss and fragmentation. However, another more insidious threat for wildlife is associated with agriculture: exposure to pollution by the chemical inputs used. The northern part of Kibale National Park, Sebitoli area, is a tropical rainforest home of non-human primates including the threatened chimpanzee (Pan troglodytes schweinfurthii) and olive baboons (Papio anubis). Sebitoli forest area is today surrounded by industrial plantations of tea, eucalyptus and banana, as well as food crops and congenital facial dysplasias have been observed in a significant proportion of Sebitoli chimpanzees. The purpose of this study was to identify possible health problems that may be attributable to this threat in another primate species present in the area. and used to feed on crops as chimpanzees do. Over an area covering 20km², 14 cameras traps were set up inside the forest and at the park/forest interface. A total of 25,390 clips recorded between January 2017 and April 2018 were analyzed. Presence of baboons was observed in 3,238 clips. Among them, 30 individuals with facial malformations including 16 belonging to the same social group were identified. Most of them have malformed nostrils (n = 25), ectopic nostrils (n = 12), interruption of nasal cartilage (n = 10) and sometimes associations of these malformations but never of wounds, allowing to remove an infectious cause. The affected individuals were mainly observed in the northwest of the Sebitoli area, bordered by food crops (mostly maize) that baboons consume frequently and where detected inputs are more abundant than in the east of the zone. These findings provide new evidences of facial malformations in primates and complement the observations previously done on chimpanzees. This study highlights the importance of non-invasive and non-observational methods for detecting health problems in wild primates. A possible effect of pesticides used in crops at the border of their habitat is suspected to alter the embryonic development and need to be further investigate. This study emphasizes the importance of non-invasive methods for detecting possible health effects such as physical malformations in wild primates that can act as sentinels for human health.
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Dates et versions

mnhn-03988906 , version 1 (14-02-2023)

Identifiants

  • HAL Id : mnhn-03988906 , version 1

Citer

Camille Lacroux, Nelson Guma, Sabrina Krief. Facial dysplasia in wild forest olive baboons (Papio anubis) in Sebitoli, Kibale National Park, Uganda: use of camera-traps to detect health defects. Second African Primatological Society (APS) congress, Sep 2019, Entebbe, Uganda. ⟨mnhn-03988906⟩
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