Table 2 Changes in total plate counts (Log CFU/g) of pig small intestine by different washing process methods during cold storage at 4℃

Treatment Storage days SEM
1 4 7 10
C 2.17b 3.29ABb 3.3Bb 5.18Aa 4.23
T1 2.35b 3.75Aa 3.31Bab 3.67Bab 2.92
T2 1.56b 2.76Bb 3.45Bb 4.54Ba 3.65
T3 1.11b 2.32Bb 4.31Aa 3.49Bb 3.36
SEM 1.56 2.91 3.36 4.23
A,B Means with different superscripts within a same column differ significantly (p<0.05).
a,b Means with different superscripts within a same row differ significantly (p<0.05).
C, tap water washing 1 time; T1, 0.5% acetic acid washing+tap water washing 1 time; T2, 1% acetic acid washing+tap water washing 1 time; T3, 2% acetic acid washing+tap water washing 1 time. The washing ratio of all treatments was washing solution of 5 liters vs. small intestine of 1 kg (volumes /weight).