Table 4 Results of main and exploratory analyses
From: Early behavioral indicators of aberrant feces in newly-weaned piglets
A | Individual behaviors–fecal swab scores | Pen activity algorithm–fecal pen scores | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Response | Fixed effect | Sample size (piglets) | Obs | Comparison (normal (N) vs. Aberrant (A)) | Odds ratio | 2.5% Lower limit | 97.5% Upper limit | Fixed effect | Sample size (pens) | Obs | Comparison (normal (N) vs. aberrant (A)) | Odds ratio | 2.5% Lower limit | 97.5% Upper limit |
Fecal color score | Proportion standing Min1 binary (high (H) vs. low (L)) | 46 | 83 | HN: 24 HA: 14 LN:40 LA: 5 | 4.79 | 1.51 | 15.3 | %Moving activity Min2 | 12 | 60 | 1.43 ± 0.58% vs. 2.18 ± 0.74% | 6.14 | 1.26 | 29.8 |
%Drinking activity Min1 | 12 | 60 | 0.99 ± 0.44% vs. 0.96 ± 0.22% | 0.06 | 0.003 | 1.39 | ||||||||
Proportion walking Min0 binary (high (H) vs. low (L)) | 46 | 83 | HN: 22 HA: 3 LN: 42 LA: 16 | 0.34 | 0.09 | 1.36 | Round (2 vs. 1) | 12 | 60 | 2N: 4 1N:19 2A: 16 1A: 1 | 51.1 | 4.05 | 645 | |
Round (3 vs. 1) | 12 | 60 | 3N: 9 1N:19 3A: 11 1A: 1 | 28.5 | 2.06 | 395 | ||||||||
Fecal consistency score | Proportion walking Min2 binary (high (H) vs. low (L)) | 44 | 85 | HN: 19 HA: 9 LN: 40 LA: 17 | 2.42 | 0.66 | 8.88 | %Moving activity Min2 | 12 | 60 | 1.25 ± 0.63% vs. 2.04 ± 0.67% | 4.77 | 1.11 | 20.6 |
%Eating activity Min1 | 12 | 60 | 6.00 ± 2.23% vs. 8.24 ± 1.63% | 1.59 | 0.90 | 2.80 | ||||||||
Day (day 5 (d5) vs. day 3 (d3)) | 44 | 85 | d5N: 18 d5A: 23 d3N: 41 d3A: 3 | 22.3 | 5.34 | 92.9 | Round (2 vs. 1) | 12 | 60 | 2N: 1 1N:14 2A: 19 1A: 6 | 15.9 | 1.46 | 173 | |
Round (3 vs. 1) | 12 | 60 | 3N: 6 1N: 14 3A: 14 1A: 6 | 1.30 | 0.20 | 8.63 | ||||||||
B | Pen activity passive infrared detectors–fecal pen scores | Performance–fecal swab/pen scores | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Response | Fixed effect | Sample size (pens) | Obs | Comparison (normal (N) vs. Aberrant (A)) | Odds ratio | 2.5% Lower limit | 97.5% Upper limit | Fixed effect | Sample size | Obs | Comparison (normal (N) vs. Aberrant (A)) | Odds ratio | 2.5% Lower limit | 97.5% Upper limit |
Fecal color score | PID Min1 (kVolt) | 12 | 97 | 4.97 ± 1.51 vs. 4.84 ± 1.90 | 0.83 | 0.57 | 1.19 | Birth weight (kg) | 72 (piglet) | 72 | 1.62 ± 0.36 vs. 1.57 ± 0.30 | 0.999 | 0.998 | 1.00 |
Period (2 (p2) vs. 1 (p1)) | 12 | 97 | p2N: 16 p2A: 14 p1N: 21 p1A: 7 | 5.89 | 1.42 | 24.4 | Weaning weight (kg) | 72 (piglet) | 72 | 8.66 ± 0.93 vs. 8.65 ± 1.07 | 1.00 | 0.999 | 1.00 | |
Period (3 (p3) vs. 1 (p1)) | 12 | 97 | p3N: 33 p3A: 6 p1N: 21 p1A: 7 | 0.78 | 0.18 | 3.38 | Period (all) | 8 (pen) | 49 | p1N: 13 p1A: 5 p2N: 8 p2A: 8 p3N: 14 p3A: 1 | 0.67 | 0.21 | 2.19 | |
Round (2 vs. 1) | 12 | 97 | 2N: 19 1N: 33 2A: 19 1A: 1 | 70.9 | 7.24 | 695 | Round (2 vs. 1) | 8 (pen) | 49 | 2N: 13 1N: 22 2A: 13 1A: 1 | 21.6 | 2.26 | 208 | |
Round (3 vs. 1) | 12 | 97 | 3N: 18 1N: 33 3A: 7 1A: 1 | 18.5 | 1.82 | 188 | Daily feed disappearance (kg) | 8 (pen) | 49 | 1.69 ± 0.96 vs. 1.77 ± 0.70 | 0.97 | 0.28 | 3.37 | |
Fecal consistency score | PID Min1 (kVolt) | 12 | 97 | 5.20 ± 1.51 vs. 4.49 ± 1.71 | 0.66 | 0.42 | 1.05 | Birth weight | 72 (piglet) | 72 | 1.58 ± 0.30 vs. 1.60 ± 0.35 | 1.00 | 0.999 | 1.00 |
Weaning weight | 72 (piglet) | 72 | 8.67 ± 0.86 vs. 8.65 ± 1.07 | 1.00 | 0.999 | 1.00 | ||||||||
Period (2 vs. 1) | 12 | 97 | p2N: 7 p2A: 23 p1N: 18 p1A: 10 | 16.3 | 2.89 | 92.1 | Period (all) | 8 (pen) | 49 | p1N: 14 p1A: 4 p2N: 5 p2A: 11 p3N: 15 p3A: 0 | 1.36 | 0.42 | 4.43 | |
Period (3 vs. 1) | 12 | 97 | p3N: 36 p3A: 3 p1N: 18 p1A: 10 | 0.21 | 0.04 | 1.09 | Round (2 vs. 1) | 8 (pen) | 49 | 2N: 14 1N: 20 2A: 12 1A: 3 | 12.1 | 1.92 | 76.6 | |
Round (2 vs. 1) | 12 | 97 | 2N: 18 1N: 28 2A: 20 1A: 6 | 38.0 | 5.09 | 284 | Daily feed disappearance (kg) | 8 (pen) | 49 | 1.80 ± 0.96 vs. 1.50 ± 0.69 | 0.32 | 0.09 | 1.16 | |
Round (3 vs. 1) | 12 | 97 | 3N: 16 1N: 28 3A: 9 1A: 6 | 5.61 | 0.88 | 35.9 | ||||||||