(13) Pest The term “pest” means any of the following that can directly or indirectly injure, cause damage to, or cause disease in livestock: (A) A protozoan. (B) A plant. (C) A bacteria. (D) A fungus. (E) A virus or viroid. (F) An infectious agent or other pathogen. (G) An arthropod. (H) A parasite. (I) A prion. (J) A vector. (K) Any organism similar to or allied with any of the organisms described in this paragraph.