Canada 2004- 3rd Quarter (N=56)
(Total number of farms 66. Six farms were excluded for not having data for the entire quarter. Four farms were excluded for percentage in inventory >40)
Measurement	Mean	Upper 10 percentile	Lower 10 percentile
Average parity	2.81	3.4	2.3
Percent multiple matings	86.69	97.4	72.6
Percent repeat services	9.1	5.3	12.8
Ave non-productive sow days	51.38	34.1	68.5
Ave parity of culled sows	4.97	3.4	7.2
Ave parity of farrowed sows	3.78	4.3	3.2
Average age at weaning	20.13	23.2	16.9
Average female inventory	1008.32	2568	305
Average gestation length	115.18	116	115
Average gilt pool inventory	49.12	111.2	0.1
Average mummies per litter	0.28	0.1	0.4
Average pigs born alive/litter	10.9	11.6	10.2
Average stillborn pigs	0.96	0.6	1.3
Average total pigs per litter	12.13	13	11.4
Culling rate	38.03	24.9	52.1
Death rate	7.91	13.2	3.1
Entry - 1st service interval	32.62	52.1	0.1
Farrowing interval	144.82	141	150
Farrowing rate	82.22	90.6	72.2
Litters / female / yr	2.34	2.48	2.21
Litters / mated female / yr	2.45	2.55	2.32
Old lits / mated female / yr	2.34	2.59	2.08
Old pigs wnd / Inv. Female/yr	22.43	25.8	20
Percent less than 7 born live	8.75	5.6	12.4
Percent sows bred by 7 days	89.21	94.5	83.2
Pigs weaned / lifetime female	43.75	59	32
Pigs weaned per litter weaned	9.89	10.7	9.1
Pigs weaned per sow	9.65	10.3	9
Pigs wnd / female / yr	22.58	24.6	20.7
Pigs wnd / mated female / yr	23.67	25.6	21.9
PWM for farrowed and weaned	12.27	9.6	14.7
Replacement rate	45.29	32.1	60.8
Weaning - 1st service interval	6.59	5.4	8.4