“…[14][15][16][17][18] However, the daily routine of LAPs regularly requires causing or tolerating pain, suffering and distress in the study animals. This discrepancy between taking care of and tolerating or inducing harm in the same animals can lead to cognitive dissonance, psychological stress and strain, 1,15,18,19 which potentially influences proper animal care 1,6,16 and, thus, the outcome of scientific projects. 20,21 In addition, absences and high staff turnover due to psychological strain can have long-term consequences on the facility's organizational and economic situation.…”