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Table 5 The effect of dietary ME level on litter size (Exp. 1)

From: The effect of the ratio of standardized ileal digestible lysine to metabolizable energy on growth performance, blood metabolites and hormones of lactating sows

   

ME level, Mcal/kg

  

P-value

Item

Parity

No.

3.06

3.16

3.20

3.25

3.30

3.40

Mean13

SEM

Treat

Linear

Quadratic

No. piglets suckling

1

36

10.80

10.25

10.60

10.40

10.40

10.40

10.49

0.32

0.89

--

--

 

2

36

10.00

10.40

11.00

11.17

10.83

11.00

10.77

0.34

0.16

--

--

 

3+

113

10.89

11.26

10.67

10.90

10.95

10.83

10.92

0.25

0.69

--

--

 

Overall2

185

10.73

10.97

10.73

10.88

10.84

10.81

10.83

0.18

0.94

--

--

No. piglets weaned1

1

36

9.32

9.94

9.86

9.67

8.88

9.52

9.52

0.40

0.10

0.29

0.76

 

2

36

9.33ac

10.65b

9.17a

9.88c

9.62ac

9.84c

9.73

0.36

< 0.01

0.09

0.19

 

3+

113

9.61

9.28

9.91

9.77

9.89

9.46

9.65

0.24

0.24

0.85

0.33

 

Overall2

185

9.52

9.58

9.75

9.76

9.67

9.56

9.64

0.18

0.83

0.67

0.16

Mortality, %1

1

36

10.97

5.21

5.75

7.70

15.45

9.30

9.22

2.75

0.10

0.48

0.33

 

2

36

13.22ac

0.65b

14.19a

8.27c

10.77ac

8.71ac

9.46

2.64

< 0.01

0.82

0.83

 

3+

113

11.14

14.46

8.95

10.58

9.24

12.97

11.22

2.09

0.28

0.70

0.53

 

Overall2

185

11.44

10.90

9.57

9.81

10.56

11.34

9.52

1.51

0.91

0.93

0.34

  1. 1Number of piglets suckling and lactation length were used as a covariate in the analysis
  2. 2Parity effect was included in the model
  3. 3Parity effect and treatment effect was included in the model
  4. a, b, cWithin a row, values with no common superscript differ significantly (P < 0.05).
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891