Table 1. Composition of experimental diets (as-fed basis)

Item Lactating diet
Ingredients (g/kg)
 Maize (ground) 510.0
 Soybean meal (480 g/kg CP) 267.3
 Wheat bran 10.0
 Rice bran 50.0
 Rapeseed meal (430 g/kg CP) 35.0
 Tallow 60.5
 Molasses 35.0
 Dicalcium phosphate 16.4
 Limestone 7.6
 NaCl 5.0
 L-Lysine-HCl (780 g/kg) 1.2
 Vitamin premix1) 1.0
 Trace mineral premix2) 1.0
 Salicylic acid (%) 0.05
Nutrient content (g/kg)
 Dry matter 888.7
 Metabolizable energy (MJ/kg) 14.47
 Crude protein 183.4
 Crude fat 91.6
 Lysine 10.8
 Calcium 10.6
 Total phosphorus 7.3
Provided per kilogram of complete diet: vitamin A, 12,100 IU; vitamin D3, 2000 IU; vitamin E, 48 IU; vitamin K3, 1.5 mg; riboflavin, 6 mg; niacin, 40 mg; D-pantothenic, 17 mg; biotin, 0.2 mg; folic acid, 2 mg; choline, 166 mg; vitamin B6, 2 mg; and vitamin B12, 28 μg.
Provided per kilogram of complete diet: Cu (as CuSO4·5H2O), 15 mg; Zn (as ZnSO4), 50 mg; Mn (as MnO2), 54 mg; I (as KI), 0.99 mg; Se (as Na2SeO3·5H2O), 0.25 mg.
CP, crude protein.