Table 3 Evaluation of the udder at time of housing-in and housing-out

Treatment

SG^a

CG^b

SG

CG

Total number of sows

60

60

60

58

Functionality^c

 Average number of functional teats per sow

14.0

14.2

13.5

12.8

Udder development^d, %

 No development

0.7

0.4

7.7

11.1

 Low-grade

5.2

4.2

9.4

10.4

 Middle-grade

35.1

35.2

28.4

22.5

 High-grade

58.9

60.3

54.6

56.1

Teat injuries^e, %

 None

99.2

98.7

97.6

97.6

 Slight

0.4

0.8

1.9

2.4

 Intermediate

0.4

0.5

0.4

0

 Severe

0.1

0.1

0.2

0

Udder skin injuries^f, %

 None

92.2

91.7

89.6

89.6

 Slight

7.8

8.3

9.5

9.4

 Intermediate

-

-

0.9

0.9