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Table 3 Effects of the dietary laminarin supplementation on the performance of the sows and piglets (n = 8–10)

From: Dietary supplementation of laminarin improves the reproductive performance of sows and the growth of suckling piglets

Items

Laminarin levels, %

SEM

P-value

0

0.025

0.05

0.10

Linear

Quadratic

Sows

 Average of parity, n

6.89

7.22

8.00

6.80

0.27

0.91

0.13

Average daily feed intake, kg/d

 1st week of lactation

3.79

3.64

3.78

4.41

0.15

0.08

0.30

 2nd week of lactation

6.57

7.12

7.48

7.73

0.19

0.03

0.46

 3rd week of lactation

7.08

6.69

7.28

7.87

0.17

0.03

0.34

 1 to 21 d of lactation

5.96

5.94

6.18

6.57

0.09

 < 0.01

0.52

 Total milk yielda, kg

159.85

198.72

188.90

218.96

8.60

0.02

0.66

BW, kg

 Pregnancy for 109 d

282.00

282.89

277.20

286.00

3.43

0.72

0.57

 After weaning

270.00

271.44

272.60

273.67

3.85

0.73

0.94

 BW loss

12.00

11.44

4.60

12.33

2.07

0.95

0.28

Backfat thickness, mm

 G85

17.80

19.33

16.22

18.90

0.64

0.80

0.46

 L1

20.88

21.50

22.00

22.63

0.67

0.36

0.88

 L21

15.63

14.75

16.33

17.13

0.45

0.11

0.64

 BF loss from L1 to L21

5.25

6.75

5.67

5.50

0.50

0.88

0.55

Piglets

 Litter size at birth, n

14.78

14.44

15.56

16.22

0.48

0.21

0.85

 Number born alive per litter, n

13.22

13.67

14.13

15.28

0.37

0.03

0.89

 Number of healthy piglets, n

12.00

12.33

12.38

11.90

0.33

0.77

0.85

 Average birth weight, kg

1.41

1.36

1.25

1.34

0.03

0.27

0.07

 Litter weight at birth, kg

19.06

19.01

17.65

19.70

0.49

0.70

0.25

 Average weight after cross-fostering, kg

1.75

1.58

1.54

1.65

0.05

0.63

0.20

 Average weaning weight, kg

5.79

6.16

6.03

6.40

0.13

0.13

0.91

 Average daily gain (ADG), kg/d

0.19

0.22

0.21

0.23

0.01

0.04

0.45

 Litter weight after cross-fostering, kg

21.26

20.56

18.95

22.11

0.64

0.62

0.13

 Litter weight at weaning, kg

64.77

68.20

64.38

72.38

2.47

0.33

0.68

 Daily litter gain during lactation, kg/d

2.07

2.27

2.16

2.40

0.10

0.34

0.97

 Litter size after cross-fostering, n

12.67

13.00

12.71

12.13

0.17

0.15

0.30

 Weaned piglets, n

10.67

11.11

11.00

11.63

0.27

0.25

0.96

 Culling and death rate, %

15.77

14.48

13.46

5.63

2.16

0.09

0.62

  1. aTotal milk yield = piglet ADG × litter size × lactation days × 4; values are means with SEM; healthy piglets: birth weight ≥ 1 kg
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891