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Title

Sarcoptic mange and cheetah conservation in Masai Mara (Kenya): Epidemiological study in a wildlife/livestock system

AuthorsGakuya, Francis; Ombui, Jackson; Maingi, Ndichu; Muchemi, Gerald; Ogara, William; Soriguer, Ramón C. ; Alasaad, Samer
Issue Date2012
PublisherCambridge University Press
CitationParasitology 139: 1587- 1595 (2012)
AbstractThe sanitary control of threatened wild animals is of pivotal interest for their conservation. This task, however, is highly complex in wildlife/livestock systems. In this paper we report findings from a 2-year cross-sectional study of the epidemiology and attempted control of a Sarcoptes mite infestation in the threatened cheetah population in Masai Mara (Kenya), and discuss its interaction with sympatric wild (lion, wildebeest and Thomson's gazelle) and domestic (dog, cattle and sheep) animals. Sarcoptes scabiei was isolated from cheetahs, Thomson's gazelles, wildebeests, lions, cattle, goats and dogs; Psoroptes ovis, on the other hand, was only isolated from sheep. The prevalence study revealed 12·77% infection rates in cheetahs, 4·7% in dogs, 0·8% in Thomson's gazelles, 0·8% in sheep, 0·09% in cattle, and 0·09% in goats, while it opportunistically affected lions and wildebeest. Our study revealed that prevalence of Sarcoptes mite in cheetah population was not associated with the studied geographical blocks, animal sex or the presence of affected domestic animals. Cheetah infection with S. scabiei was associated with the climatic conditions (dry more than wet season) and the balancing between the total number of Thomson's gazelles and the prevalence of infected individuals. Apparently the high prevalence of mangy gazelles has a negative effect on cheetah; this negative effect was reduced when the number of healthy gazelles was increased. Treatment with injectable ivermectin of the clinically affected wild and domestic animals during the first year of this study was associated with much lower incidence of sarcoptic mange during the second year. © Copyright © Cambridge University Press 2012.
URIhttp://hdl.handle.net/10261/63249
DOI10.1017/S0031182012000935
Identifiersdoi: 10.1017/S0031182012000935
issn: 0031-1820
Appears in Collections:(EBD) Artículos
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