title: Establishment of a helminth-free opossum colony.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D005260:Female; D006374:Helminthiasis, Animal; D006799:Housing, Animal; D009349:Nematode Infections / Q000517:prevention & control / Q000662:veterinary; D009893:Opossums; D010123:Oxyuriasis / Q000517:prevention & control / Q000662:veterinary; D011247:Pregnancy; D012098:Reproduction; D013151:Spiruroidea; D014201:Trematode Infections / Q000517:prevention & control / Q000662:veterinary; D014252:Trichostrongyloidiasis / Q000517:prevention & control / Q000662:veterinary; D014257:Trichuriasis / Q000517:prevention & control / Q000662:veterinary