Salmonella Typhimurium and Salmonella Sofia: Growth in and Persistence on Eggs under Production and Retail Conditions

Table 2

The level of attachment of each isolate for retail eggs (± standard deviation) at 4, 22, and 42°C after 1 or 20 min of attachment.

Temperature	SS^1		STM^2		RS^3
	1 min	20 min	1 min	20 min	1 min	20 min
4°C	4.43 ± 0.36^aA	4.78 ± 0.29^abA	5.01 ± 0.08^abA	5.14 ± 0.34^bA	4.96 ± 0.31^abA	5.36 ± 0.24^bA
22°C	4.78 ± 0.80^aAB	5.24 ± 0.18^aA	4.88 ± 0.35^aA	5.19 ± 0.23^aA	4.99 ± 0.23^aA	5.25 ± 0.46^aA
42°C	5.26 ± 0.28^aB	5.32 ± 0.15^aA	4.82 ± 0.26^aA	5.1 ± 0.15^aA	4.85 ± 0.28^aA	5.28 ± 0.42^aA

Different lower case letters within rows are significantly different (). Different upper case letters within columns are significantly different ().
SS: S. Sofia 1296a; ²STM: S. Typhimurium PT135; ³RS: S. Typhimurium ATCC 14028.