Canada 2004- 2nd Quarter (N=70)
Measurement	Mean	Upper 10 percentile	Lower 10 percentile
Average parity	2.89	3.7	2.4
Percent multiple matings	88.05	98.1	79.4
Percent repeat services	9.29	2.3	15.2
Ave non-productive sow days	52.96	37.9	70.1
Ave parity of culled sows	4.55	6.4	3
Ave parity of farrowed sows	3.81	4.5	3.3
Average age at weaning	20.22	23.3	17.3
Average female inventory	1145.74	2304.2	417.1
Average gestation length	115.23	116	114
Average gilt pool inventory	55.82	154	1.2
Average mummies per litter	0.29	0.2	0.4
Average pigs born alive/litter	10.86	12	10
Average stillborn pigs	0.88	0.6	1.2
Average total pigs per litter	12.01	13.1	11.1
Culling rate	41.46	25.4	59.1
Death rate	6.6	2.7	10.3
Entry - 1st service interval	32.53	57.7	1.4
Farrowing interval	146.27	141	154
Farrowing rate	80.53	90.9	65.2
Litters / female / yr	2.33	2.5	2.2
Litters / mated female / yr	2.45	2.5	2.4
Old lits / mated female / yr	2.29	2.6	1.9
Old pigs wnd / Inv. Female/yr	21.32	24.8	17
Percent less than 7 born live	8.69	4.5	12.9
Percent sows bred by 7 days	88.59	95.1	80.4
Pigs weaned / lifetime female	40.64	57	26
Pigs weaned per litter weaned	9.86	10.9	8.8
Pigs weaned per sow	9.55	10.5	8.6
Pigs wnd / female / yr	22.31	25.1	19
Pigs wnd / mated female / yr	23.41	26.3	20.3
PWM for farrowed and weaned	12.51	8.3	16.6
Replacement rate	50.08	26	73.4
Weaning - 1st service interval	6.68	5.3	8.4