metaldehyde, insecticide, pyrethrin, organophosphate, sodium fluoroacetate, pesticide, acaricide, paraquat, anthelmintic, oxytetracycline, wormer, toxicant, malathion, parasiticide, carbaryl, antibiotic, diquat, miticide, parathion, lindane, coccidiosis, organochlorine, ivermectin, attractant, prussic acid, chloramphenicol, fumigants, herbicide, hoary alyssum, heptachlor, wireworm, repellents, trichinella, stoats, chlorpyrifos, hirudo medicinalis, toxaphene, lungworm, larvicide, cervid, leafy spurge, dieldrin, mealybug, amphotericin, larvacide, tansy ragwort, endrin, simazine, weevils, aversive conditioning, nitrofuran, anaplasmosis, diuron, yellowjacket, antivenom, dichlorvos, phytophthora, phenolphthalein, hydrated lime, coumarin, codling moth, endophyte, ddt, dichlorodiphenyltrichloroethane, inoculant, zinc sulphate, antivenin, ectoparasites, chlortetracycline, salvinia, tobacco budworm, leafminer, acetylsalicylic acid, aedes, chloropicrin, apple maggot, insectivores, culex, mycotoxin, spider mite, anopheles, grass carp, poison hemlock, tetrodotoxin, hydrocyanic acid, clostridium botulinum, potassium permanganate, sodium fluoride, witchweed, collembola, myxomatosis, copper sulfate, skunks, rotenone, antifungal agent, blister beetle, biocide, horseweed, bacterial toxin, mycoplasma, atrazine, fungicides, antidepressant, bronchodilator, relaxant, analgesic, diuretic, drug, fungicide, hypnotics, anaesthetic, anesthetic, anticoagulant, anticonvulsant, antihistamine, antiseptic, enhancer, germicide