Table 2 The performance of lactating sows and piglets

 Feed intake, kg/d

4.84

3.59

0.15

< 0.01

 Body weight, kg

  d 0

199.20

198.05

6.21

0.86

  d 28

184.08

160.43

7.81

0.014

  d 0–28

15.87

37.62

5.48

< 0.01

  d 0

15.25

16.08

1.73

0.91

  d 28

12.40

11.25

1.75

0.53

  d 0–28

2.75

4.83

0.81

0.03

  d 0

3.78

3.73

0.54

0.93

  d 7

7.83

7.90

0.21

0.76

  d 14

9.17

9.20

0.56

0.96

  d 21

9.39

9.30

0.65

0.90

  d 28

9.10

8.88

0.66

0.76

  d 0

1.31

1.30

0.01

0.93

  d 7

2.48

2.59

0.11

0.37

  d 14

3.81

3.59

0.27

0.87

  d 21

5.11

4.69

0.48

0.63

  d 28

6.63

6.37

0.60

0.67

  d 0–7

0.17

0.18

0.02

0.40

  d 7–14

0.19

0.14

0.03

0.10

  d 14–21

0.19

0.16

0.04

0.44

  d 21–28

0.22

0.22

0.02

0.87