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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)