From: Genetic relationship between purebred and crossbred sow longevity
Removal parity
Crossbred sows, %
Purebred sows, %
1
20.8
36.8
2
14.1
20.3
3
10.9
17.1
4
13.9
14.3
5
13.0
8.8
6
14.6
1.9
7
9.1
0.6
8
3.3
0.3
9
0.1