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Ticks are serious vectors of human and animal disease agents; transmitting a greater variety of infectious organisms than any other blood-sucking arthropods.  Ticks are known to transmit numerous protozoan, viral, bacterial and fungal pathogens.  Ticks can be injurious to domestic livestock and wildlife due to the blood loss that can occur when a large number of ticks feed.  Secondary infections can occur at the feeding sites and diminish the value of livestock from the damage to the hides.