The occupation, 'Veterinary Technologists and Technicians', include: Animal Health Technician, Animal Technician, Certified Veterinary Technician (CVT), Clinical Laboratory Scientist, Clinical Researcher, and other titles.Veterinary Technologists and Technicians perform medical tests in a laboratory environment for use in the treatment and diagnosis of diseases in animals. prepare vaccines and serums for prevention of diseases. prepare tissue samples, take blood samples, and execute laboratory tests, such as urinalysis and blood counts. clean and sterilize instruments and materials and maintain equipment and machines. may assist a veterinarian during surgery.