Canada 2004- 4th Quarter (N=39)
Measurement	Mean	Upper 10 percentile	Lower 10 percentile
Average parity	2.87	3.40	2.30
Percent multiple matings	84.43	97.90	64.80
Percent repeat services	9.59	4.00	14.90
Ave non-productive sow days	46.60	32.60	64.40
Ave parity of culled sows	4.98	3.40	6.40
Ave parity of farrowed sows	3.76	4.30	3.30
Average age at weaning	20.54	26.40	17.10
Average female inventory	1067.32	2646.80	296.60
Average gestation length	115.28	116.00	115.00
Average gilt pool inventory	50.15	147.50	0.00
Average mummies per litter	0.22	0.00	0.40
Average pigs born alive/litter	11.08	12.00	10.30
Average stillborn pigs	0.85	0.60	1.10
Average total pigs per litter	12.15	13.00	11.20
Culling rate	38.81	21.90	51.80
Death rate	6.21	2.30	10.80
Entry - 1st service interval	25.57	52.20	0.00
Farrowing interval	146.26	142.00	152.00
Farrowing rate	82.40	90.70	69.30
Litters / female / yr	2.36	2.45	2.20
Litters / mated female / yr	2.46	2.52	2.35
Old lits / mated female / yr	2.33	2.56	2.02
Old pigs wnd / Inv. Female/yr	21.72	24.70	17.20
Percent less than 7 born live	8.38	4.00	13.50
Percent sows bred by 7 days	90.29	96.60	84.30
Pigs weaned / lifetime female	45.31	59.00	28.00
Pigs weaned per litter weaned	9.62	10.50	8.30
Pigs weaned per sow	9.63	10.50	8.20
Pigs wnd / female / yr	22.79	25.20	18.90
Pigs wnd / mated female / yr	23.71	26.30	19.90
PWM for farrowed and weaned	13.02	9.70	17.70
Replacement rate	46.14	27.40	62.60
Weaning - 1st service interval	6.47	5.20	8.00