The current study evaluates the protein and lipid profile of haemolymph of Rhipicephalus (Boophilus) microplus engorged females infected by Metarhizium anisopliae, Beauveria bassiana or Fusarium oxysporum. Ticks were immersed or inoculated with conidial suspension. Haemolymph was collected from the dorsal surface of engorged females. The results showed altered total protein amounts; however, no significant difference was observed on electrophoretic profile among haemolymph samples. In addition, altered lipid profile was detected in haemocyte samples from ticks treated with Beauveria and Metarhizium.
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