Anhedonia 1 Animals 1 Antidepressive Agents 1 Article 1 Cage change 1 Cage tilting 1 Cycle disturbance 1 Damp sawdust 1 Depression 1 Disease Models, Animal 1 Mice 1 Rats 1 Sawdust change 1 Stress procedure 1 Stress, Psychological 1 Without sawdust 1 anhedonia 1 animal 1 animal experiment 1 animal model 1 antidepressant activity 1 antidepressant agent 1 antidepressants 1 anxiety 1 behavioral test parameters 1 body weight 1 chronic unpredictable stress 1 controlled study 1 corticosterone 1 cytokine 1