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Table 2 Effects of supplementations of native ZnO and lipid-encapsulated ZnO (LE ZnO) on growth and fecal consistency of weanling pigs 1)

From: Effects of a lipid-encapsulated zinc oxide supplement on growth performance and intestinal morphology and digestive enzyme activities in weanling pigs

Variable Dietary supplementation (ppm as Zn) Contrast P-value
  Native ZnO LE ZnO SEM   LE ZnO vs. Within LE ZnO
  100 2,500 8% lipid2) 10% lipid2) 12% lipid2)   P-value Native ZnO 10% lipid vs. 100 vs. 250
    100 250 100 250 100 250    100 2,500 8% 12%  
Growth performance                
  Initial BW (kg) 6.69 6.98 6.76 6.67 6.71 6.65 6.74 6.73 0.15 0.85 0.92 0.05 0.78 0.67 0.63
  Final BW (kg) 9.63 9.89 9.65 9.35 9.52 9.18 9.65 9.73 0.20 0.32 0.65 0.14 0.52 0.15 0.34
  ADG (g) 210 207 207 192 201 180 208 214 11 0.49 0.50 0.60 0.49 0.11 0.34
  ADFI (g) 355 367 355 329 344 327 348 369 13 0.24 0.49 0.13 0.60 0.09 0.51
  G:F 0.591 0.569 0.582 0.586 0.581 0.538 0.603 0.579 0.025 0.76 0.63 0.74 0.34 0.21 0.30
Fecal consistency score3)              
  Day 1 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00        
  Day 4 1.00 1.13 1.08 1.00 1.00 1.13 1.04 1.04 0.07a       
  Day 7 1.04 1.00 1.04 1.00 1.04 1.13 1.13 1.17       
  Day 14 1.17 1.00 1.17 1.17 1.25 1.35 1.17 1.08        
  Overall4) 1.05 1.03 1.07 1.04 1.07 1.15 1.08 1.07 0.04 0.59 0.35 0.11 0.07 0.27 0.63
  1. 1)Data are means of 6 pens in each dietary group.
  2. 2)Denotes the percentage of lipid (w/w) encapsulating the ZnO particle.
  3. 3)Scored according to a 3-notch integer scale: 1, well formed; 2, sloppy; 3, diarrhea.
  4. 4)P-values for the day and day × treatment were <0.01 and 0.71, respectively.
  5. aApplies to all day × treatment combinations.
  6. BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain:feed.