The odor of butyric acid, which emanates from the sebaceous follicles of all mammals, works on the tick as a signal that causes her to abandon her post ( on top of the blade of grass / bush ) and fall blindly downward toward her prey.

The odor of butyric acid, which emanates from the sebaceous follicles of all mammals, works on the tick as a signal that causes her to abandon her post ( on top of the blade of grass / bush ) and fall blindly downward toward her prey.

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