Three trichostrongylid nematodes from the red rock rabbits, Pronolagus sp., in Kenya

africa africa south of sahara anatomy anglophone africa animal anatomy animals aschelminthes biological competition biological properties body parts digestive system domestic animals east africa helminths injurious factors intestines invertebrates kenya lagomorphs mammals meat animals nematodes noxious animals parasites parasitism pests pet animals rabbits trichostrongylus vertebrates