"An engorged female is fertilized by a male while still on the dog. She falls off after mating and seeks a sheltered area in which to lay her 1,000-3,000 eggs." Useful article on the life cycle of a tick and how long can they survive without a blood meal
Advantix Dog 4-10kgs Medium 4's & 6's -Advantix kills and repels deadly paralysis ticks. It also kills fleas fast, and kills and repels brown dog ticks and bush ticks. Advantix also repels mosquitoes, sandflies and stable flies that can make your dog's life a misery.
The brown dog tick (Rhipicephalus sanguineus) is found worldwide, most often in warmer climates. It transmits Rocky Mountain Spotted Fever in the U.S. and in Central and South America. Photograph by James Newman, University of Florida.