Table 3.
Articles that studied the effects of group size on aggression. For each study, the group size with least aggression is marked in green. Yellow represents no difference between groups.
| Group Size | Methodological Approach Used to Study Aggression |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Strain | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 12 | 20 | Home Cage Behavior |
Test for Aggression |
Wounding | General Observation |
Reference |
| BALB/c | x | x | x | x | x | [70] | |||||||||
| BALB/c | x | x | x | x | [88] | ||||||||||
| Varying strains | x | x | x | x | x | x | [89] | ||||||||
| Randomly bred | x | x | x | x | x | x | [54] | ||||||||
| DD/S strain | x | x | x | [59] | |||||||||||
| MF1 | x | x | x | [38] | |||||||||||
| BALB/c | x | x | x | [92] | |||||||||||
| CFLP | x | x | x | x | [42] | ||||||||||
| CFLP | x | x | x | x | [91] | ||||||||||
| DUB/ICR Swiss | x | x | x | x | x | [90] | |||||||||
| DUB/ICR Swiss | x | x | x | x | x | x | [90] | ||||||||
| DUB/ICR Swiss | x | x | x | x | x | [90] | |||||||||