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Table 2 Marker concentrations in corn-soybean meal diet containing either titanium dioxide, chromic oxide, or both titanium dioxide and chromic oxidea

From: Disappearance and appearance of an indigestible marker in feces from growing pigs as affected by previous- and current-diet composition

  Titanium, mg/kg diet Chromium, mg/kg diet
Diet 1-Cr 2 O 3   
 Sample 1 240 2,700
 Sample 2 173 2,400
 Sample 3 246 2,900
 Sample 4 161 2,400
  Mean 205 2,600
  SD 44 245
  CV 21.6 9.4
Diet 2-TiO 2   
 Sample 1 2,491 <0.01
 Sample 2 2,529 <0.01
 Sample 3 2,635 <0.01
 Sample 4 2,465 <0.01
  Mean 2,530
  SD 75
  CV 3.0
Diet 3-Cr 2 O 3 and TiO 2   
 Sample 1 2,942 2,400
 Sample 2 2,831 2,500
 Sample 3 2,995 2,800
 Sample 4 2,768 2,700
  Mean 2,884 2,600
  SD 103 183
  CV 3.6 7.0
  1. aThe addition of 5,000 mg Cr2O3 added × 99.3% purity × 684 g/kg Cr would result in an expected level of 3,395 mg Cr/kg diet. The addition of 5,000 mg TiO2 added × 99.0% purity × 600 g/kg Cr would result in an expected level of 2,970 mg Ti/kg diet