Skip to main content

Advertisement

Table 2 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 clinical signs of post-weaning 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
Rectal temperature, °C
D 0 38.48 38.52 38.50 38.48 0.15x  
D 1 39.85a 39.47ab 39.22b 39.57ab  
D 4 40.08a 39.43bc 39.22c 39.63b  
D 7 39.75a 39.32b 38.98bc 38.85c  
Overall1 39.54a 39.18b 38.98b 39.13b 0.10 <0.01
Fecal consistency score2
D 0 1.50 1.67 1.83 1.50   
D 1 2.83 2.67 2.33 2.50   
D 2 2.67 2.83 2.33 2.50 0.22x  
D 4 2.50a 2.17a 2.17a 1.50b   
D 7 2.50a 1.83b 1.67b 1.67b   
Overall3 2.40a 2.23ab 2.07b 1.93b 0.11 0.04
Fecal shedding of E. coli, Log10 cfu/g feces
D 1 7.00a 5.90b 5.35b 5.58b   
D 4 6.86a 5.71b 5.22bc 4.83c 0.29x  
D 7 7.33a 5.50b 4.91bc 4.25c   
Overall4 7.06a 5.70b 5.16b 4.89b 0.33 <0.01
  1. 1 P-values for the day and day × treatment were < 0.01 and 0.04, respectively.
  2. 21, well-formed feces; 2, sloppy feces; 3, diarrhea.
  3. 3 P-values of the day and day × treatment were < 0.01 and 0.25, respectively.
  4. 4 P-values of the day and day × treatment were 0.09 and 0.22, respectively.
  5. xApplies to all day × treatment combinations.
  6. a-cMeans with no common superscript within a row differ (P < 0.05).