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Table 2 Effects of dietary supplementation of the lipid-coated ZnO Shield Zn® (SZ) vs. ZnO on fecal consistency and growth performance in weanling pigs (Exp. 1)

From: Effects of dietary supplementation of a lipid-coated zinc oxide product on the fecal consistency, growth, and morphology of the intestinal mucosa of weanling pigs

Item ZnO (mg Zn/kg) SZ (mg Zn/kg) SEM P value
100 2500 100 200   
FCS1),2)
 Day 0 0.07y 0.03 0.03y 0.00y   
 Day 7 0.52b,x 0.25c 0.93a,x 0.43bc,x 0.083)  
 Day 14 0.24y 0.07 0.21y 0.15y   
 Overall4) 0.28ab 0.12c 0.39a 0.19bc 0.04 0.002
Body weight1) (kg)
 Day 0 6.10 6.36 6.30 6.45 0.11 0.197
 Day 7 7.70 7.87 7.76 7.69 0.12 0.712
 Day 14 8.92b 9.70a 9.27ab 8.70b 0.22 0.043
ADG1) (g)
 Days 0 to 7 229a 216a 207a 176b 9 0.009
 Days 7 to 14 165b 262a 218ab 150b 22 0.013
 Overall 197bc 241a 212ab 155c 14 0.011
ADFI5) (g)
 Days 0 to 7 261 257 253 249 8 0.792
 Days 7 to 14 372 456 387 355 28 0.122
 Overall 316 357 320 302 17 0.201
Gain:feed5)
 Days 0 to 7 0.88 0.84 0.82 0.76 0.03 0.062
 Days 7 to 14 0.43c 0.58a 0.55ab 0.44bc 0.03 0.015
 Overall 0.62bc 0.68a 0.66ab 0.56c 0.02 0.010
  1. Exp. experiment, SEM standard error of mean, FCS fecal consistency score, ADG average daily gain, ADFI average daily feed intake
  2. a-cMeans with no common superscript within a row differ (P < 0.05)
  3. x,yMeans with no common superscript within a column differ (P < 0.05)
  4. 1)Data are least squares means of 6 pens, with 10 piglets per pen
  5. 2)Scored subjectively: 0, normal firm feces; 1, soft feces; 2, diarrhea
  6. 3)Applies to all day × treatment combinations
  7. 4)The P values for the day and day × treatment were <0.001 and 0.009, respectively
  8. 5)Data are least squares means of 6 pens