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Table 9 The effects of dietary nucleotides supplementation on fecal microflora of weaned pigs challenged with E. coli K88 (Exp. 2)a

From: Response to an Escherichia coli K88 oral challenge and productivity of weanling pigs receiving a dietary nucleotides supplement

Item, log10cfu/g

CON

R150

R220

R275

SEMb

Contrastc

1

2

3

Before Challenge

        

Lactobacillus

7.23

7.32

7.37

7.44

0.16

0.45

0.60

0.97

E. coli

6.14

6.08

6.09

6.07

0.14

0.72

0.98

0.95

After Challenge

        

Lactobacillus

7.20

7.24

7.27

7.15

0.07

0.77

0.34

0.33

E. coli

6.55

6.38

6.34

6.30

0.08

0.03

0.49

0.94

  1. aAbbreviation: CON basal diet, R150 basal diet + nucleotides 150 mg/kg, R220 basal diet + nucleotides 220 mg/kg, R275 basal diet + nucleotides 275 mg/kg
  2. bStandard error mean
  3. cContrast: 1) CON vs. mean of nucleotide groups; 2) R150 vs. R275; 3) R220 vs. mean of R150 and R275