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Table 1 Ingredients and nutrient composition of diets

From: Different dietary methionine to lysine ratios in the lactation diet: effects on the performance of sows and their offspring and methionine metabolism in lactating sows

Items

Met:Lys

0.27

0.37

0.47

0.57

Ingredients, %

 Corn

42.75

42.74

42.85

42.94

 Soybean meal (46% CP)

24.3

24.2

24

23.9

 Red sorghum

13.4

13.4

13.4

13.4

 Shelly barley

12.7

12.7

12.7

12.7

 Soybean oil

2.2

2.2

2.2

2.1

 Limestone

1.67

1.68

1.68

1.68

 MDCP

1.45

1.45

1.45

1.46

 Premixa

1

1

1

1

 Salt

0.3

0.3

0.3

0.3

 Methionine

–

0.09

0.18

0.27

 Lysine (98%)

0.15

0.16

0.16

0.17

 Mold Inhibitor

0.08

0.08

0.08

0.08

 Total

100

100

100

100

Composition (analysis)

 Lys, %

1.05

1.03

1.02

1.09

 Met, %

0.24

0.31

0.39

0.55

 Cys, %

0.22

0.22

0.21

0.27

 SAAs, %

0.46

0.53

0.60

0.82

 Met/Lys

0.23

0.30

0.38

0.50

 Thr, %

0.65

0.65

0.65

0.68

 Trp, %

0.19

0.18

0.19

0.20

 Val, %

0.77

0.77

0.77

0.79

 Ile, %

0.68

0.67

0.67

0.68

 Leu, %

1.53

1.50

1.49

1.53

 Arg, %

1.00

1.01

1.00

1.02

 His, %

0.46

0.46

0.45

0.46

Composition (calculated)b

 NE, kcal/kg

2451

2452

2455

2452

 CP, %

17.3

17.32

17.28

17.3

 Ca, %

0.99

0.99

0.99

0.99

 Available phosphorus, %

0.44

0.44

0.44

0.44

 SID Lys, %

0.88

0.88

0.88

0.88

 SID Met, %

0.24

0.32

0.41

0.5

 SID Cys, %

0.25

0.25

0.24

0.24

 SID SAAs, %

0.48

0.57

0.66

0.74

 SID Met/Lys

0.27

0.36

0.47

0.57

 SID Thr, %

0.54

0.54

0.54

0.54

 SID Trp, %

0.18

0.18

0.18

0.18

 SID Val, %

0.70

0.70

0.69

0.69

 SID Ile, %

0.63

0.62

0.62

0.62

 SID Leu, %

1.32

1.32

1.31

1.31

 SID BCAA, %

2.65

2.64

2.63

2.62

 SID Arg, %

0.99

0.99

0.99

0.98

 SID His, %

0.40

0.39

0.39

0.39

  1. aProvided per kilogram of the diet: Cu 30 mg; Fe 160 mg; Zn 150 mg; Mn 50 mg; I 0.53 mg; Se 0.53 mg; Co 0.75 mg; Cr 0.22 mg; vitamin A 1.271 × 104U; vitamin D3 2853 U; vitamin E 180 mg; vitamin K3 3.85 mg; vitamin B1 1.6 mg; vitamin B2 5.75 mg; vitamin B6 2.88 mg; vitamin B12 0.02 mg; nicotinamide 32 mg; pantothenic acid 20 mg; folic acid 3.2 mg; biotin 0.44 mg; vitamin C 450 mg; choline 1800 mg
  2. bCalculated chemical concentrations using values for feed ingredients from the NRC (2012)
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891