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Photo: John A Angelos

John A Angelos- BS, DVM, MS, PhD
Associate Professor
Medicine & Epidemiology

3127 Tupper Hall
Davis, CA 95616


Research Focus

Food animal internal medicine; infectious diseases of food animals; pathogenesis and prevention of infectious bovine keratoconjunctivitis (IBK; "pinkeye"); vaccine development; recombinant protein expression/purification for use in novel vaccine formulations.

Specialty Focus

Livestock Medicine & Surgery


2002 PhD Comparative Pathology, University of California, Davis
1992 DVM Veterinary Medicine, Cornell University, Ithaca, NY
1990 MS Virology, Cornell University, Ithaca, NY
1987 BS Microbiology, Cornell University, Ithaca, NY

Honors and Awards

2009 Favorite Clinician Award
1999-2000 UC Davis Graduate Fellowship
1992 Merck Manual Award
1992 New York State Veterinary Medical Society Prize
1992 A. Gordon Danks Large Animal Surgery Award
1991 Phi Zeta (Veterinary Honor Society)
1990 Geraldine R. Dodge Summer Fellowship
1990 Gamma Sigma Delta (Honor Society of Agriculture)
1990 1st Place Veterinary Student, Research Poster Day, NYSCVM
1989 Dorothy Russell Havemeyer Summer Fellowship
1988 Dean's Incentive Award
1987 Ho-Nun-De-Kah (Honor Society of College of Ag and Life Science) Cornell
1987 BS with Honors and Distinction
1987 Graduate Research Assistantship


Diplomate American College of Veterinary Internal Medicine (Large Animal)
State Licensure - California
State Licensure - New York

Active Research Grants

Principal Investigator, Use of recombinant Moraxella bovis antigens to prevent infectious bovine keratoconjunctivitis, (Principal Investigator), Center for Food Animal Health

Most Recent 10 Publications

  • Link Icon 2011 Angelos JA, Ball LM, Byrne BA Minimum inhibitory concentrations of selected antimicrobial agents for Moraxella bovoculi associated with infectious bovine keratoconjunctivitis J Vet Diagn Invest,
  • Link Icon 2011 Doré E, Angelos JA, Rowe JD, Carlson JL, Wetzlich SE, Kieu HT, Tell LA Pharmacokinetics of ceftiofur crystalline free acid after single subcutaneous administration in lactating and nonlactating domestic goats (Capra aegagrus hircus) J Vet Pharmacol Ther,
  • Link Icon 2010 Angelos JA, Lane VM, Ball LM, Hess JF Recombinant Moraxella bovoculi cytotoxin-ISCOM matrix adjuvanted vaccine to prevent naturally occurring infectious bovine keratoconjunctivitis Veterinary Research Communications,
  • Link Icon 2010 Mavangira V, Cornish JM, Angelos JA Effect of ammonium chloride supplementation on urine pH and urinary fractional excretion of electrolytes in goats JAVMA,
  • Link Icon 2010 Galvão KN, Angelos JA Ulcerative blepharitis and conjunctivitis in adult dairy cows and association with Moraxella bovoculi Canadian Veterinary Journal,
  • Link Icon 2007 Angelos JA, Ball LM Differentiation of Moraxella bovoculi sp. nov. from other coccoid moraxellae by the use of polymerase chain reaction and restriction endonuclease analysis of amplified DNA J Vet Diagn Invest,
  • Link Icon 2007 Angelos JA, Ball LM Relatedness of cytotoxins from geographically diverse isolates of Moraxella bovis Vet Microbiol,
  • Link Icon 2007 Angelos JA, Ball LM, Hess JF Identification and characterization of complete RTX operons in Moraxella bovoculi and Moraxella ovis Vet Microbiol,
  • Link Icon 2007 Angelos JA, Bonifacio RG, Ball LM, Hess JF Prevention of naturally occurring infectious bovine keratoconjunctivitis with a recombinant Moraxella bovis pilin-Moraxella bovis cytotoxin-ISCOM matrix adjuvanted vaccine Vet Microbiol,
  • Link Icon 2007 Cornish J, Angelos JA, Puschner B, Miller G, George L Copper toxicosis in a dairy goat herd J Am Vet Med Assoc,

Most Recent 5 Book Chapters

2010 Angelos JA: Infectious Keratoconjunctivitis (Pinkeye, Infectious ophthalmia), Kahn, CM, (ed), The Merck Veterinary Manual, 10th Ed, Whitehouse Station, NJ. 470-2.

2010 Angelos JA: Moraxella bovoculi and infectious bovine keratoconjunctivitis: cause or coincidence?, , Veterinary Clinics of North America: Food Animal Practice, Philadelphia. 73-8.

2010 Angelos JA: Moraxella, Gyles CL, Prescott JF, Songer JG, Thoen CO, (ed), Pathogenesis of Bacterial Infections in Animals, 4th Ed, Ames. 469-81.

2008 Angelos JA: Infectious Bovine Keratoconjunctivitis, Smith BP, (ed), Large Animal Internal Medicine, 4th Ed., St. Louis. 1286-88.

2008 Angelos JA, Thurmond MC: Bovine Lymphosarcoma, Smith BP, (ed), Large Animal Internal Medicine, 4th Ed., St. Louis. 1173-76.