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Table 1 Ingredient and chemical composition of experimental diets

From: Effects of dietary ratio of n-6 to n-3 polyunsaturated fatty acids on immunoglobulins, cytokines, fatty acid composition, and performance of lactating sows and suckling piglets

Ingredient (% as fed) Dietary n-6:n-3 PUFA ratio
  3:1 9:1 13:1
Corn 58.75 58.75 58.75
Soybean meal (45% CP) 27.25 27.25 27.25
Wheat bran 4.00 4.00 4.00
Fish meal (60% CP) 2.00 2.00 2.00
Limestone 1.64 1.64 1.64
Oil mixturea 4.00 4.00 4.00
Salt 0.60 0.60 0.60
Dicalcium phosphate 0.84 0.84 0.84
L-lysine (65%) 0.12 0.12 0.12
Vitamin and mineral premixb 0.80 0.80 0.80
Analyzed chemical composition (% as fed)    
Dry matter 89.26 90.60 89.35
Crude protein 18.13 18.31 18.31
Lysine 0.96 0.92 1.08
Calcium 1.02 0.98 0.95
Phosphorus 0.58 0.57 0.56
  1. aOil was a mixture of different combinations of corn and linseed oil. 3.2% linseed oil and 0.8% corn oil in 3:1 treatment, 1.4% linseed oil and 2.6 corn oil in 9:1 treatment, 0.8% linseed oil and 3.2% corn oil in 13:1 treatment.
  2. bComposition per kilogram of diet:Vitamin A, 12,000 IU; Vitamin D3, 2,000 IU; Vitamin E, 24 IU; Vitamin K3, 2.0 mg; Vitamin B1, 2.0 mg; Vitamin B2, 60 mg; Vitamin B6, 4.0 mg; Vitamin B12, 24 μg; niacin, 30 mg; pantothenic acid, 20 mg; folic acid, 3.6 mg; biotin, 0.40 mg; choline, 400 mg; Fe, 96 mg; Cu, 8.0 mg; Zn, 120 mg; Mn, 40 mg; I, 0.56 mg; Se, 0.40 mg; phytase, 120 mg.