Capillaria: A genus of trichuroid nematodes parasitic in the liver and intestines of many mammals and birds. Two species, C. hepatica and C. philippinensis, produce often fatal infections in man.Enoplida Infections: Infections with nematodes of the order ENOPLIDA.Liver Diseases, Parasitic: Liver diseases caused by infections with PARASITES, such as tapeworms (CESTODA) and flukes (TREMATODA).Ascaridida: An order of nematodes of the subclass SECERNENTEA. Its organisms possess two or three pairs of dorsolateral caudal papillae.Trichuroidea: A superfamily of nematodes of the order ENOPLIDA. Its organisms have a well developed intestine and rectum.Helminthiasis, Animal: Infestation of animals with parasitic worms of the helminth class. The infestation may be experimental or veterinary.Animals, ZooCanidae: A family of terrestrial carnivores with long snouts and non-retractable claws. Members include COYOTES; DOGS; FOXES; JACKALS; RACCOON DOGS; and WOLVES.Ascaridida Infections: Infections with nematodes of the order ASCARIDIDA.Liver Cirrhosis, Experimental: Experimentally induced chronic injuries to the parenchymal cells in the liver to achieve a model for LIVER CIRRHOSIS.Cestoda: A subclass of segmented worms comprising the tapeworms.Parasitic Diseases, Animal: Infections or infestations with parasitic organisms. The infestation may be experimental or veterinary.Paleopathology: The study of disease in prehistoric times as revealed in bones, mummies, and archaeologic artifacts.Galliformes: An order of heavy-bodied, largely terrestrial BIRDS including pheasants, TURKEYS, grouse, QUAIL, and CHICKENS.Nematode Infections: Infections by nematodes, general or unspecified.Antinematodal Agents: Substances used in the treatment or control of nematode infestations. They are used also in veterinary practice.Rodent Diseases: Diseases of rodents of the order RODENTIA. This term includes diseases of Sciuridae (squirrels), Geomyidae (gophers), Heteromyidae (pouched mice), Castoridae (beavers), Cricetidae (rats and mice), Muridae (Old World rats and mice), Erethizontidae (porcupines), and Caviidae (guinea pigs).Antibodies, Helminth: Immunoglobulins produced in a response to HELMINTH ANTIGENS.