Table 3. Effect of dietary Fe concentration and source on complete blood count in weanling pigs

Item Inorganic (ppm) HME (ppm) Organic (ppm) SEM p-value
100 50 75 100 100
Phase I (d 14)
 WBC (103/μL) 21.21 19.22 21.44 21.90 21.45 0.98 0.076
 RBC (106/μL) 6.42a 6.22b 6.40a 6.53a 6.42a 0.04 <0.001
 Hemoglobin (g/dL) 11.52ab 11.42b 11.54ab 11.86a 11.78ab 0.13 0.028
 Hematocrit (%) 43.82 43.08 42.84 46.82 44.73 1.52 0.093
Phase II (d 28)
 WBC (103/μL) 22.59 21.33 22.21 23.54 22.62 0.74 0.54
 RBC (106/μL) 6.46bc 6.26c 6.50b 6.73a 6.50b 0.07 <0.001
 Hemoglobin (g/dL) 11.50bc 11.28c 11.58ab 11.75a 11.60a 0.09 <0.001
 Hematocrit (%) 48.43 48.00 47.38 50.27 47.90 1.22 0.117
Values with different superscripts of the row significantly differ (p < 0.05).
HME, hot melt extrusion; SEM, standard error of means; RBC, red blood cell; WBC, white blood cell.