Table II.
Tasks | GM (mg/m3) | GSD | Sample Size |
---|---|---|---|
Weaning | 4.14 a | 2.84 | 25 |
Treating/processing pigs | 2.01 b | 2.67 | 12 |
Recording | 1.95 b | 1.73 | 28 |
Feeding | 1.93 b | 3.73 | 34 |
Heat checking | 1.89 b | 4.17 | 10 |
Setting-up/breakdown | 1.67 b | 2.17 | 19 |
Breeding | 1.41 b | 3.48 | 13 |
Sow/gilt handling | 1.34 b | 2.72 | 30 |
Walking aisles | 1.26 b | 2.72 | 8 |
Note: Geometric means with the same letter are not significantly different at the α = 0.05 level.