A professional who studies biology, ecology, etiology, bacteriology, virology, and immunology of micro-organisms causing diseases in animals. Responsibilities include:

• Prepares laboratory cultures of micro-organisms taken from body fluids and tissues of diseased animals and identifies them by microscopic examination and bacteriological tests.
• Tests virulence of pathogenic organisms by observing effects of inoculations on laboratory and other animals.
• Investigates efficiency of vaccines, antigens, antibiotics, and other materials in prevention, diagnosis, and control of animal diseases.
• May specialize in bacteria causing animal diseases and be known as Veterinary Bacteriologist.
• May specialize in study of viruses and rickettsiae and be known as Veterinary Virologist.
• May be required to hold degree of Doctor of Veterinary Medicine.