| 2002 Breeding Herd Summary for Canada |
|
|
| MEASUREMENT |
Mean |
Upper 10% |
Lower 10% |
| Average female inventory |
1046 |
2740.7 |
239.6 |
| Average parity |
2.79 |
3.8 |
2 |
| Replacement rate |
58.72 |
33.4 |
71.4 |
| Culling rate |
39.48 |
22.9 |
53.9 |
| Death rate |
6.49 |
2.5 |
11.3 |
| Ave parity of culled sows |
4.71 |
6.44 |
3.4 |
| Average gilt pool inventory |
60.98 |
153.4 |
0.2 |
| Ave non-productive sow days |
60.39 |
38 |
82.5 |
| Percent repeat services |
10.68 |
4.5 |
17.7 |
| Percent multiple matings |
85.98 |
98.3 |
68.8 |
| Entry - 1st service interval |
29.22 |
1.3 |
50.9 |
| Percent sows bred by 7 days |
89.59 |
95.6 |
82.55 |
| Weaning - 1st service
interval |
6.66 |
5.2 |
8.35 |
| Ave parity of farrowed sows |
3.8 |
4.7 |
3.15 |
| Average gestation length |
114.94 |
116 |
114 |
| Farrowing interval |
146.97 |
141 |
156 |
| Farrowing rate |
80.22 |
88.3 |
73.1 |
| Average total pigs per litter |
11.74 |
12.55 |
11 |
| Average pigs born
alive/litter |
10.7 |
11.45 |
10 |
| Average stillborn pigs |
0.83 |
0.5 |
1.2 |
| Average mummies per litter |
0.21 |
0.1 |
0.3 |
| Litters less than 7 born live |
217.21 |
38 |
559 |
| PWM for farrowed and weaned |
11.57 |
8.2 |
14.6 |
| Old lits / mated female /
year |
2.27 |
2.46 |
2.08 |
| Litters / mated female / year |
2.38 |
2.514 |
2.196 |
| Litters / female / year |
2.26 |
2.43 |
2.088 |
| Pigs weaned per litter weaned |
9.6 |
10.4 |
8.7 |
| Pigs weaned per sow |
9.47 |
10.25 |
8.7 |
| Average age at weaning |
20.62 |
24.4 |
17.5 |
| Pigs wnd / mated female / yr |
22.33 |
24.9 |
19.7 |
| Old pigs wnd / Inv. female /
y |
21.09 |
23.86 |
18.3 |
| Pigs wnd / female / year |
21.21 |
23.8 |
18.2 |
| Pigs weaned / lifetime female |
42.38 |
58 |
28 |
|
|
|
|