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Table 3 Effects of dietary supplementations of 100 ppm of ZnO without (BASAL) or with 120 ppm of apramycin (ANTIBIO), 2,500 ppm of ZnO (HIGH), and 100 ppm of the lipid-encapsulated ZnO (LE) on growth performance of weanling pigs challenged with 5 × 10 8cfu of ETEC K88

From: Effects of a lipid-encapsulated zinc oxide dietary supplement, on growth parameters and intestinal morphology in weanling pigs artificially infected with enterotoxigenic Escherichia coli

Item BASAL ANTIBIO HIGH LE SEM P- value
Before the ETEC K88 challenge (d −5 to d 0)1
Initial wt, kg 7.06 6.78 6.91 6.57 0.28 0.65
Final wt, kg 7.88 7.56 7.74 7.40 0.31 0.72
ADG, g 165 156 166 166 11 0.91
After the ETEC K88 challenge (d 0 to d 7)1
Final wt, kg 8.43 8.32 8.66 8.36 0.36 0.91
ADG, g 78b 109ab 132a 137a 14 0.03
  1. 1The ADFI of the animals, which were group-fed, were 236, 233, 224, and 240 g during the pre-challenge period and 324, 386, 350, and 370 g during the post-challenge period in BASAL, ANTIBIO, HIGH, and LE, respectively.
  2. a,bMeans with no common superscript within a row differ (P < 0.05).