title: [Chlamydial polyarthritis in calves].
abstract: Investigations were carried out on some farms to establish the presence of Chlamydia organisms in spontaneous cases of polyarthritis in calves. Use was made of various methods--chick embryos, light and electron microscopy, and the complement-fixation test (CFT). As many as 9 C. psittaci strains were isolated from synovial liquid of calves affected with polyarthritis from 6 farms in several districts of the country. The isolated strains were identified morphologically by means of electron and light microscope, and serologically--through demonstrating the presence of a group-specific Chlamydia antigen by CFT with a known positive anti-chlamydial serum. There were in the sera of some calves with polyarthritis chlamydial KC-antibodies. Results spoke of the chlamydial etiology of some polyarthritis diseases in calves in this country, confirming and supplementing previous observations of the authors.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D000942:Antigens, Bacterial / Q000032:analysis; D001170:Arthritis, Infectious / Q000382:microbiology / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D002691:Chlamydophila psittaci / Q000276:immunology / Q000302:isolation & purification; D000939:Epitopes / Q000032:analysis; D009956:Psittacosis / Q000382:microbiology / Q000662:veterinary*
chemical_list: D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D000939:Epitopes
vernacular_title: Khlamidiĭni poliartriti po teletata.