Table 2.
Serogroup | Serotype | Total Isolates | Positive Test Results | ||||||
---|---|---|---|---|---|---|---|---|---|
LFI‐Aa | LFI‐Bb | DNAHc | qPCRd | TET Culture 1e | TET Culture 2e | BPW Culturef | |||
B | Typhimurium | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 |
Typhimurium var. 5‐ | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | |
C1 | Mbandaka | 9 | 8 | 0 | 9 | 8 | 9 | 9 | 9 |
Montevideo | 15 | 13 | 0 | 12 | 15 | 15 | 15 | 15 | |
C2 | Muenchen | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Newport | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | |
C3 | Kentucky | 9 | 7 | 9 | 7 | 9 | 9 | 9 | 9 |
E1 | Meleagridis | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
Muenster | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | |
K | Cerro | 14 | 4 | 3 | 13 | 14 | 14 | 14 | 14 |
Total | 112 | 94 | 75 | 105 | 111 | 112 | 112 | 112 |
Inoculating dose and culture method: ~100 cfu in 1 g of feces with 9 mL of TET broth, incubated for 18 hours at 43°C.
BPW, buffered peptone water; DNAH, DNA hybridization; TET, tetrathionate.
Reveal® for Salmonella Test System, Neogen® Corporation, Lansing, MI.
RapidChek® SELECT™ Salmonella Test System, SDIX, Newark, NE.
GeneQuence® for Salmonella, Neogen® Corporation, Lansing, MI.
MicroSEQ® Salmonella spp. Detection Kit, Applied Biosystems™, Carlsbad, CA.
Culture performed on different aliquots of same TET enrichment, plating on XLT‐4 agar that was incubated for 24 hours at 43°C.
Aliquots of TET enrichment were incubated in BPW for 6 hours at 43°C, then plated on XLT‐4 agar and incubated for 24 hours at 43°C.