Prevalence of Rhipicephalus sanguineus ticks on dogs in a region on the Mexico-USA border.

TICKS are the second most important group of arthropod vectors of diseases transmissible to animals and human beings. They are obligate parasites, and while feeding on a host may transmit a range of pathogens, such as bacteria, spirochaetes, rickettsiae, protozoa, viruses, nematodes, and toxins. The