Also found in: Dictionary, Thesaurus, Medical.
Related to calf diphtheria: oral necrobacillosis
calf diphtheria[′kaf dif′thir·ē·ə]
Disease of calves caused by species of Sphaerophorus which affects the mouth and pharynx and develops into pneumonia and septicemia, resulting in death.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.