Table 1.
Variable | Comb |
Face |
Eye |
||||||
---|---|---|---|---|---|---|---|---|---|
Coef ± S.E. | t | P | Coef ± S.E. | t | P | Coef ± S.E. | t | P | |
Intercept | 14.80 ± 21.20 | 0.70 | 0.49 | 59.9 ± 4.85 | 12.35 | <0.0001 | 52.51 ± 5.16 | 10.17 | <0.0001 |
Treatment - Control | −0.38 ± 0.54 | −0.70 | 0.49 | 0.03 ± 0.08 | 0.36 | 0.72 | −0.08 ± 0.10 | −0.79 | 0.43 |
Phase - post-withdrawal | −3.48 ± 0.52 | −6.64 | <0.0001 | −0.70 ± 0.12 | −5.80 | <0.0001 | −0.80 ± 0.13 | −6.21 | <0.0001 |
Distance to camera | −0.67 ± 0.10 | −6.86 | <0.0001 | −0.61 ± 0.02 | −26.84 | <0.0001 | −0.25 ± 0.02 | −10.52 | <0.0001 |
Active - Yes | −0.42 ± 0.26 | −1.65 | 0.10 | −0.11 ± 0.06 | −1.85 | 0.065 | −0.30 ± 0.06 | −4.79 | <0.0001 |
Cage pecking - Yes | −0.04 ± 0.39 | −0.10 | 0.92 | −0.05 ± 0.09 | −0.59 | 0.56 | 0.19 ± 0.10 | 1.99 | 0.047 |
Food-oriented – Hoppers | 0.06 ± 0.33 | 0.18 | 0.85 | 0.24 ± 0.08 | 3.18 | 0.0015 | 0.93 ± 0.08 | 11.61 | <0.0001 |
Food-oriented – Litter | −0.41 ± 0.34 | −1.21 | 0.23 | −0.14 ± 0.08 | −1.81 | 0.071 | 0.46 ± 0.08 | 5.58 | <0.0001 |
Looking – Yes | −0.42 ± 0.23 | −1.87 | 0.062 | −0.17 ± 0.05 | −3.22 | 0.001 | −0.04 ± 0.06 | −0.74 | 0.46 |
Head angle – Down | 0.44 ± 0.29 | 1.53 | 0.13 | −0.12 ± 0.07 | −1.82 | 0.069 | 0.08 ± 0.07 | 1.12 | 0.26 |
Head position – Up | −0.07 ± 0.38 | −0.19 | 0.85 | −0.14 ± 0.09 | −1.52 | 0.13 | −0.18 ± 0.09 | −1.94 | 0.053 |
Head tilt - Side on | −0.69 ± 0.32 | −2.14 | 0.032 | 0.49 ± 0.08 | 6.54 | <0.0001 | 0.04 ± 0.08 | 0.45 | 0.66 |
Head tilt – Away | −0.46 ± 0.65 | −0.72 | 0.47 | 0.30 ± 0.15 | 1.96 | 0.050 | −0.07 ± 0.16 | −0.43 | 0.66 |
Side – Right | −0.34 ± 0.19 | −1.79 | 0.073 | −0.04 ± 0.04 | −0.80 | 0.43 | −0.14 ± 0.05 | −2.91 | 0.0037 |
Clock Time (min from midnight) | 0.01 ± 0.00 | 2.07 | 0.038 | 0.00 ± 0.00 | 4.91 | <0.0001 | 0.00 ± 0.00 | 5.00 | <0.0001 |
Body mass (g) | 3.36 ± 2.52 | 1.34 | 0.18 | −0.22 ± 0.40 | −0.54 | 0.59 | 0.32 ± 0.46 | 0.68 | 0.50 |
Air Temperature (°C) | 0.68 ± 1.21 | 0.56 | 0.58 | −1.33 ± 0.28 | −4.77 | <0.0001 | −1.35 ± 0.30 | −4.55 | <0.0001 |
Comb size | 0.00 ± 0.00 | 0.26 | 0.80 | −0.00 ± 0.00 | −0.07 | 0.94 | 0.00 ± 0.00 | 0.05 | 0.96 |
Phase x Treatment | 2.27 ± 0.39 | 5.81 | <0.0001 | 0.41 ± 0.09 | 4.48 | <0.0001 | 0.44 ± 0.10 | 4.49 | <0.0001 |