Skip to main content

Table 8 Comparisons of culling risks (%) between herd groups and pigs born alive groups for farrowed sows in parities 2 to 6

From: Culling in served females and farrowed sows at consecutive parities in Spanish pig herds

 

Pigs born alive groups

 

8 or fewer

9–15

16 or more

Herd groups

Culling risks (± SE), %

 

Parity 2

High-performing herds

12.6 (1.36)ax

3.7 (0.39)y

2.8 (0.38)y

Ordinary herds

7.0 (0.52)bx

3.0 (0.21)y

2.3 (0.30)y

 

Parity 3

High-performing herds

18.2 (1.87)ax

5.2 (0.51)ay

3.6 (0.42)z

Ordinary herds

9.4 (0.67)bx

3.6 (0.23)by

2.7 (0.31)y

 

Parity 4

High-performing herds

21.3 (2.38)ax

6.8 (0.73)ay

4.7 (0.56)z

Ordinary herds

12.3 (0.91)bx

4.7 (0.32)by

4.1 (0.41)y

 

Parity 5

High-performing herds

28.7 (3.06)ax

10.0 (1.03)y

6.6 (0.78)z

Ordinary herds

18.5 (1.26)bx

7.4 (0.48)y

6.3 (0.61)y

 

Parity 6

High-performing herds

36.1 (4.82)x

19.9 (2.63)y

12.7 (1.78)z

Ordinary herds

26.8 (2.14)x

13.2 (1.04)y

10.2 (1.00)z

  1. a,bMean values within a column followed by different letters differ (P < 0.05)
  2. x-zMean values within a row followed by different letters differ (P < 0.05)