Category C Animals

From USDA AWA Regulations and Standards, Section 2.36 (b)5: 
“(b) The annual report shall:…

(5) State the common names and the numbers of animals upon which teaching, research, experiments, or tests were conducted involving no pain, distress, or use of pain-relieving drugs. Routine procedures (e.g., injections, tattooing, blood sampling) should be reported with this group;”