title: Infectious bovine keratoconjunctivitis: influence of age on development of disease in vaccinated and nonvaccinated calves after exposure to Moraxella bovis.
mesh_terms: D000367:Age Factors; D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D001424:Bacterial Infections / Q000517:prevention & control / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D007637:Keratoconjunctivitis / Q000517:prevention & control / Q000662:veterinary*; D009016:Moraxella / Q000276:immunology*; D014611:Vaccination / Q000662:veterinary*
chemical_list: D000907:Antibodies, Bacterial