Tick infection in dogs at Thu Duc area, Ho Chi Minh City and the tick treatment effect of fipronil presenting in two domestic commercial products

Abstract

This study aimed at identifying the tick infection in dogs and the treatment effects of fipronil presentingin two Vietnamese commercial products with concentration of 2.5 g/L (fipronil A) and 3 g/L (fipronil B) for the tick infection dogs. The dogs in this study were from Thu Duc area, they were brought in Veterinary Clinic of Nong Lam University, Ho Chi Minh City for diagnosis and treatmentBased on morphological characteristics, the ticks infected in dogs were identified and classified as Rhipicephalus sanguineus. The mortality rate of tick (Rhipicephalus sanguineus) when using fipronil A and fipronil B for killing (in petri discs) were 45.3 % and 60 % respectively after 2 hours of treatment, and after 4 hours of treatment, 100 % of the ticks were killed by both fipronil A, and fipronil B.Treatment of 50 tick-infected dogs by fipronil A, and fipronil B had given very high effectiveness with 92 % and 80 % respectively of the experimental dogs were fully recovered. In addition, these two products were safe for use in treatment of the tick dogs. There is no side effect during conduction of this study.