Journal of Food, Agriculture and Environment

Laboratory evaluation of the toxicity of deltamethrin and cypermethrin against Hyalomma dromedarii (Koch) (Acari: Ixodidae)

Author(s):

  Saleh S. Alhewairini ¹*,  Mahmoud M. Al-Azzazy ^1,2

Recieved Date: 2018-07-17, Accepted Date: 2018-09-28

Abstract:

The toxicity of two pyrethroids (deltamethrin and cypermethrin) was evaluated against camel tick, Hyalomma dromedarii (Koch) under laboratory conditions. The potential of mixing Huwa-San TR50 with both deltamethrin and cypermethrin in increasing their efficacy was also evaluated. HuwaSan TR50 is a compound composed of hydrogen peroxide. It is prevented from destabilizing with the inclusion of a small amount of silver, and is widely used as a disinfectant. A higher level of mortality > 95% was only achieved with double recommended dose of both deltamethrin and cypermethrin as they could not produce 100% mortality of H. dromedarii at their recommended dose and the maximum mortalities were  40 and 50% for direct spray treatment trial and 55 and 60% for dipping treatment trial, respectively. On the other hand, mixing 14,000 ppm of Huwa-San TR50 with all concentrations used including recommended dose of deltamethrin and cypermethrin was found to be significant in increasing their efficacy against H. dromedarii by approximately 50% at both treatment trials (direct spray and dipping). Deltamethrin and cypermethrin were found to have moderate effects in killing (< 60% in mortality of H. dromedarii) at the recommended dose but they significantly become more effective with 14,000 ppm of Huwa-San TR50 even at the concentration below the recommended dose. Therefore, this approach can be implemented in tick control programs to establish a safe strategy for controlling ticks to minimize residual effects in dairy or meat products.

Keywords:

Pyrethroids, deltamethrin, cypermethrin, Huwa-San TR50, Hyalomma dromedarii

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Journal: Journal of Food, Agriculture and Environment
Year: 2018
Volume: 16
Issue: 3&4
Category: Environment
Pages: 98-104

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