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Dynamique de population de Rattus rattus à Cotonou, Bénin

Abstract : Rattus rattus is the main reservoir of numerous zoonotic pathogens in West Africa. Assessing the risk of human exposure to these pathogens requires understanding of the population dynamics of Rattus rattus. For this purpose, a compartmental model describing the evolution of the population in three sequential stages (juvenile, subadult and adult) was developed. The model parameters were estimated using data from three capture sessions performed within three districts of Cotonou, the economic capital of Benin. The simulation results show that Rattus rattus population oscillates over time because of the birth rhythmicity. These oscillations are important in the context of an epidemiological survey as they can affect the observed prevalences of leptospirosis in Rattus rattus populations.
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Submitted on : Friday, May 3, 2019 - 9:28:30 AM
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Jérémy Lesueur, Florence Ayral, Joël Dossou, Sylvestre Dossou, Jonas Etougbetche, et al.. Dynamique de population de Rattus rattus à Cotonou, Bénin. Epidémiologie et Santé Animale, Association pour l'Etude de l'Epidémiologie des Maladies Animales (AEEMA), 2018, JOURNÉE AEEMA, pp.107-122. ⟨hal-01951846⟩



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