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

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