Table 3. Stability of Salmonella Typhimurium-specific phage (KFS-ST) stored at various temperatures

Periods (wk) Temperature (°C)
−70 −20 4 22
0 9.20 ± 0.02ax 9.20 ± 0.02ax 9.20 ± 0.02ax 9.20 ± 0.02ax
2 9.15 ± 0.04bx 9.08 ± 0.05bx 9.15 ± 0.06abx 9.11 ± 0.00bx
4 9.07 ± 0.02bx 9.08 ± 0.05bcx 9.15 ± 0.03abx 9.11 ± 0.01bx
6 8.99 ± 0.08bx 9.03 ± 0.01cdx 9.09 ± 0.04bcx 9.10 ± 0.03bx
8 9.01 ± 0.02bx 9.02 ± 0.02dx 9.05 ± 0.02cx 9.05 ± 0.03cx
10 8.99 ± 0.01bx 9.00 ± 0.02dx 9.00 ± 0.02cdx 9.02 ± 0.02cx
12 8.89 ± 0.01cy 8.92 ± 0.02exy 8.95 ± 0.01dx 8.95 ± 0.00dx
Means with different letters are significantly different within column and row, respectively (p < 0.05, n=3).