Study of ehrlichiosis in kennel dogs under treatment and prevention during seven months in Dakar (Senegal)
2013
Davoust, Bernard | Mediannikov, Oleg | Chene, Jeanne | Massot, Raphaël | Tine, Raphaël | Diarra, Mamadou | Demoncheaux, Jean-Paul | Scandola, Pierre | Beugnet, Frédéric | Chabanne, Luc
In Dakar kennels where morbidity and mortality attributed to diseases transmitted by ticks were high, we conducted a field study to assess the prevalence of Ehrlichia canis, Anaplasma platys and Babesia spp. infections in two kennels (n=34 dogs) and to study the impact of tick protection. The first day of the study, the E. canis PCR were positive in 18 dogs (53%). A. platys was found in one dog and all dogs were negative for Babesia spp. After one month of doxycycline treatment, the number of PCR positive dogs decreased significantly to 2 (5.9%). During seven months, all dogs were treated monthly topically with a novel combination (Certifect®, Merial) delivering at least 6.7mg fipronil/kg body weight, 8.0mg amitraz/kg and 6mg (S)-methoprene/kg. The number of PCR positive dogs remained stable all over the seven months, with 4 dogs being positive at Day 90 and 2 at Day 210. The combination of treatment and monthly prevention had a significant effect in the two kennels. All dogs remained healthy, which was not the case in previous years.
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