Table 1 Various factors that may affect the behavioral response of rodents

From: Possible challenges in behavioral phenotyping of rodents following COVID-19 lockdown

State Factors

Trait Factors

Technical Factors

• Technical skills and experience of the experimenter

• Circadian timing

• Setup and arrangements in the animal room

• Nesting and bedding surface

• Animal handling

• Stress level of the animal

• Health and age of the animal

• Strain and sex of the animal

• Automation in vivarium maintenance

• Record keeping of health data

• Control and monitoring of animal room environment

• Standard operating procedure