Table 5 Descriptive statistics of sow stayability and removal reason according to first and second parity litter size

Number of sows

32,708

4633

4526

2800

3870

5024

4661

1392

2186

3616

 Percentage of sows having ≥ 4 litters

70.9

69.2

74.0

70.7

71.1

73.8

70.6

65.7

68.5

68.7

 Percentage of sows having a third litter

85.6

84.1

87.5

85.6

85.3

86.7

85.9

82.4

85.0

85.3

Number of sows

31,748

4586

4427

2703

3777

4870

4479

1358

2110

3438

 Percentage of sows being euthanized at farm

5.5

4.1

4.5

6.0

4.7

5.7

6.4

6.3

6.2

6.9

 Reproductive disorders^a

19.3

19.7

20.5

18.4

20.4

17.9

18.8

21.2

19.7

18.7

 Low productivity^a

9.1

12.6

7.3

8.2

9.1

8.2

8.9

9.3

8.4

9.7

 Udder problems^a

18.6

16.8

18.2

18.4

18.5

18.1

19.4

20.7

17.8

21.4

 Lameness and/or foot lesions^a

11.5

9.9

10.6

12.0

10.4

11.9

12.6

9.9

13.1

13.0

 Traumatic injuries^a

2.0

1.8

1.9

2.1

2.0

1.8

2.0

2.1

2.2

2.3

 Inferior body condition^a

2.2

2.0

1.9

2.4

2.2

2.4

2.0

3.2

1.9

2.2

 Found dead^a

3.8

3.4

3.8

4.1

3.8

4.3

3.8

3.2

3.9

3.5

 Old age^a

20.9

22.0

23.9

20.9

21.5

22.7

19.4

15.8

20.7

16.1

 Miscellaneous^a

12.6

11.8

11.9

13.5

12.1

12.7

13.1

14.6

12.3

13.1