Served parities
|
---|
WMI groups in parity 1 (days)
|
n
2
|
1
|
2
|
3
|
4
|
5 or higher
|
---|
| |
Mean (± SE)
| | |
---|
Farrowing rates, %
|
0–3
|
5909
|
82.8 (0.65)c,y
|
87.2 (0.52)ab,wx
|
87.6 (0.59)ab,w
|
87.8 (0.57)ab,w
|
85.1 (0.53)bc,xy
|
4
|
43,178
|
88.0 (0.31)a,w
|
88.1 (0.32)a,w
|
88.8 (0.31)a,w
|
88.0 (0.33)a,w
|
86.5 (0.33)ab,x
|
5
|
55,378
|
87.0 (0.33)b,y
|
88.1 (0.31)a,w
|
88.4 (0.30)ab,w
|
87.6 (0.33)ab,x
|
87.2 (0.31)a,xy
|
6
|
11,377
|
82.4 (0.53)c,x
|
88.6 (0.43)a,w
|
88.6 (0.44)a,w
|
87.9 (0.33)ab,w
|
87.3 (0.40)a,w
|
7–20
|
18,219
|
81.2 (0.50)c,x
|
86.9 (0.41)b,w
|
86.5 (0.43)b,w
|
86.4 (0.41)b,w
|
86.0 (0.39)ab,w
|
21 or more
|
9991
|
81.1 (0.57)c,x
|
85.5 (0.52)b,w
|
84.5 (0.56)b,w
|
85.8 (0.58)b,w
|
84.6 (0.51)c,w
|
Subsequent piglets born alive
|
0–3
|
5590
|
12.2 (0.081)b,x
|
12.7 (0.082)w
|
12.9 (0.084)w
|
12.5 (0.085)x
|
12.0 (0.081)y
|
4
|
41,288
|
12.2 (0.070)b,y
|
12.8 (0.071)w
|
12.8 (0.070)w
|
12.6 (0.071)x
|
12.1 (0.070)z
|
5
|
52,657
|
12.0 (0.070)c,y
|
12.7 (0.070)w
|
12.8 (0.070)w
|
12.6 (0.070)x
|
12.1 (0.070)y
|
6
|
10,672
|
11.8 (0.075)d,z
|
12.6 (0.076)wx
|
12.8 (0.070)w
|
12.5 (0.078)x
|
12.2 (0.075)y
|
7–20
|
16,885
|
12.1 (0.073)bc,x
|
12.6 (0.074)w
|
12.7 (0.074)w
|
12.6 (0.075)w
|
12.1 (0.073)x
|
21 or more
|
9084
|
12.7 (0.077)a,w
|
12.7 (0.077)w
|
12.7 (0.079)w
|
12.5 (0.081)x
|
12.0 (0.078)y
|
Subsequent weaning-to-first-mating interval, days
|
0–3
|
5317
|
5.6 (0.09)d,w
|
5.7 (0.09)de,w
|
5.5 (0.10)d,w
|
5.4 (0.10)c,wx
|
5.2 (0.09)c,x
|
4
|
39,517
|
5.5 (0.06)d,w
|
5.5 (0.06)e,w
|
5.4 (0.06)d,w
|
5.4 (0.07)c,w
|
5.2 (0.06)c,x
|
5
|
50,040
|
5.9 (0.06)c,w
|
5.7 (0.06)de,x
|
5.6 (0.06)cd,x
|
5.5 (0.06)c,y
|
5.2 (0.06)c,z
|
6
|
10,048
|
6.4 (0.08)b,w
|
6.0 (0.08)c,x
|
5.9 (0.08)bc,xy
|
5.7 (0.08)bc,y
|
5.4 (0.08)bc,y
|
7–20
|
15,940
|
6.6 (0.07)b,w
|
6.5 (0.07)b,w
|
6.1 (0.07)b,x
|
5.8 (0.08)ab,xy
|
5.6 (0.07)ab,y
|
21 or more
|
8251
|
7.8 (0.08)a,w
|
7.6 (0.08)a,w
|
6.5 (0.09)a,x
|
6.1 (0.09)a,y
|
5.8 (0.09)a,y
|
- 1Means and SE were estimated by using mixed models
- 2n represents initial number of sows
- a-eDifferent superscripts within a column represent significant differences in means (P < 0.05)
- w-zDifferent superscripts within a row represent significant differences in means (P < 0.05)