Table 3 Zootechnical data of animals under study. Data expressed as means

Number of sows

7

7

6

6

–

–

Parity (range)

3.0 (1–6)

3.4 (1–6)

4.0 (2–6)

3.3 (1–5)

0.69

0.857

Litter size after cross fostering

12.9

13.1

13.2

13.3

0.26

0.638

Litter size at weaning

12.3

13.1

13.0

12.7

0.31

0.215

Boar/gilt ratio

8/7

7/8

7/8

6/9

–

–

 Birth

1.42

1.62

1.64

1.52

0.118

0.713

 D 13

4.97

4.81

4.91

4.80

0.300

0.776

 End (d 23/24)

7.99

7.87

8.25

7.80

0.438

0.817

Estimated colostrum intake, g

443

519

515

463

44.7

0.662

Milk supplement intake, g DM¹

218^a

253^ab

342^b

346^b

43.4

0.018

Creep meal intake, g DM¹

369

468

649

555

95.5

0.108

Ratio eaters:non-eaters²

0.76

0.77

0.73

0.80

0.082

0.930