| Canada 2004- 1st Quarter (Number of Herds=63) | |||||
| Measurement | Mean | Upper 10 percentile | Lower 10 percentile | ||
| Average parity | 2.79 | 3.6 | 2.3 | ||
| Percent multiple matings | 86.69 | 98.6 | 71.5 | ||
| Percent repeat services | 9.72 | 3.8 | 16 | ||
| Ave non-productive sow days | 50.9 | 33.2 | 69.1 | ||
| Ave parity of culled sows | 4.5 | 6 | 2.6 | ||
| Ave parity of farrowed sows | 3.68 | 4.4 | 3.1 | ||
| Average age at weaning | 20.63 | 17.3 | 24.7 | ||
| Average female inventory | 1170.7 | 2217.8 | 280.7 | ||
| Average gestation length | 115 | 116 | 114 | ||
| Average gilt pool inventory | 50.51 | 125.1 | 0 | ||
| Average mummies per litter | 0.27 | 0.1 | 0.4 | ||
| Average pigs born alive/litter | 10.89 | 11.6 | 10 | ||
| Average stillborn pigs | 0.85 | 0.5 | 1.2 | ||
| Average total pigs per litter | 12 | 12.9 | 11.1 | ||
| Culling rate | 36.79 | 19 | 54.3 | ||
| Death rate | 7.45 | 2.6 | 11.5 | ||
| Entry - 1st service interval | 32.63 | 0 | 62.7 | ||
| Farrowing interval | 147.71 | 142 | 161 | ||
| Farrowing rate | 82.24 | 90.8 | 69.6 | ||
| Litters / female / yr | 2.34 | 2.5 | 2.2 | ||
| Litters / mated female / yr | 2.44 | 2.6 | 2.3 | ||
| Old lits / mated female / yr | 2.33 | 2.5 | 1.9 | ||
| Old pigs wnd / Inv. Female/yr | 21.24 | 24.5 | 18.2 | ||
| Percent less than 7 born live | 9.03 | 4.6 | 13.4 | ||
| Percent sows bred by 7 days | 89.24 | 94.8 | 82.8 | ||
| Pigs weaned / lifetime female | 40.3 | 58 | 24 | ||
| Pigs weaned per litter weaned | 9.82 | 10.9 | 8.6 | ||
| Pigs weaned per sow | 9.57 | 10.4 | 8.4 | ||
| Pigs wnd / female / yr | 22.41 | 26 | 19.6 | ||
| Pigs wnd / mated female / yr | 23.42 | 26.4 | 20.5 | ||
| PWM for farrowed and weaned | 12.3 | 9.4 | 15.6 | ||
| Replacement rate | 52 | 31.8 | 68.4 | ||
| Weaning - 1st service interval | 6.57 | 5.4 | 8.4 | ||