Table 2. Behavioral Data from Day 1.
On Day 1 there was a genotype × rank interaction in the frequency of attack and the durations of attack and mounting. There was main effect of rank the durations of non-attack aggression behaviors, non-social behaviors, and defensive/submissive behaviors.
| Behavior (mean ±SEM) |
Genotype | Rank 1 | Ranks 2 & 3 | Rank 4 | No Rank |
|---|---|---|---|---|---|
| Attack Frequency (#) *Interaction: Ranks 2 & 3 Avpr1b +/+ > Ranks 2 & 3 Avpr1b −/− & all Rank 4 and No Rank |
+/+ | 2.33±.0.88 (n=3) |
4.5±1.23* (n=6) |
0.33±0.33 (n=4) |
0.00±0.00 (n=12) |
| −/− | 6.0±3.21 (n=3) |
0.50±0.50 (n=4) |
0.00±0.00 (n=5) |
0.00±0.00 (n=8) |
|
| Attack Duration (sec) *Interaction: Ranks 2&3 Avpr1b +/+ > Rank 2 & 3 Avpr1b −/− & all Rank 4 and No Rank |
+/+ | 19.27±9.13 | 22.26±7.63* | 1.32±1.32 | 0.00±0.00 |
| −/− | 8.51±8.13 | 0.49±0.49 | 0.00±0.00 | 0.00±0.00 | |
| Non-attack Aggression (sec) *Rank: Rank 1 > all others |
+/+ | 11.86±2.98 | 4.33±4.13 | 0.42±0.42 | 0.00±0.00 |
| −/− | 8.56±6.46 | 0.99±0.99 | 0.00±0.00 | 0.00±0.00 | |
| Mounting (sec) *Interaction: Rank 1 Avpr 1b −/− > all others & Rank 1 Avpr1b +/+ > Ranks 2 & 3, Rank 4, and No Rank |
+/+ | 18.86±10.25 | 1.97±1.60 | 0.00±0.00 | 0.00±0.00 |
| −/− | 122.47±93.58* | 0.00±0.00 | 0.00±0.00 | 0.00±0.00 | |
| Non-Social Behaviors (sec) *Rank: No rank > Rank 1 |
+/+ | 1822.46±32.91 | 1919.99±41.08 | 1919.55±68.35 | 1994.74±60.08 |
| −/− | 1605.18±143.51 | 1902.38±111.56 | 1878.29±186.07 | 2091.13±50.37 | |
| Social Behaviors (sec) | +/+ | 274.71±101.99 | 153.99±45.52 | 78.62±31.39 | 153.37±39.35 |
| −/− | 331.03±69.69 | 220.18±7.97 | 194.05±108.19 | 138.57±29.49 | |
| Defensive/Submissive Behaviors (sec) *Rank: Rank 4 > Rank 1 and No Rank |
+/+ | 5.36±5.36 | 14.52±4.67 | 45.43±18.49 | 0.00±0.00 |
| −/− | 0.28±0.28 | 42.34±15.10 | 74.73±57.65 | 0.00±0.00 | |
| Grooming Behavior (sec) |
+/+ | 259.34±107.07 | 279.65±77.83 | 354.63±81.80 | 251.70±46.21 |
| −/− | 332.54±30.78 | 234.62±91.45 | 252.92±71.84 | 170.30±45.57 | |
| Huddling (sec) | +/+ | 955.35±226.91 | 916.62±177.93 | 119.39±159.15 | 1069.54±103.91 |
| −/− | 840.63±745.12 | 304.01±108.20 | 1107.03±415.11 | 648.35±154.50 |
*
Indicates that p<0.05