Table 3 Changes in total plate counts (Log CFU/g) of pig small intestine by different packaging methods during cold storage at 4℃

Treatment	Storage days				SEM
Treatment	1	4	7	10	SEM
AP	3.51^b	3.82^b	4.13^Ab	5.12^a	4.13
SP	3.55^b	3.02^b	3.56^Bb	5.13^a	4.07
VP	3.58^b	3.87^b	3.45^Bb	4.85^a	3.81
SEM	2.79	3.29	3.2	4.25

^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).
AP, aero packaging; SP, skin-pack packaging; VP, vacuum packaging.