Volume 25, Number 4—April 2019
Dispatch
Streptococcus agalactiae Sequence Type 283 in Farmed Fish, Brazil
Carlos A.G. Leal
, Guilherme A. Queiroz, Felipe L. Pereira, Guilherme C. Tavares, and Henrique C.P. Figueiredo
, Guilherme A. Queiroz, Felipe L. Pereira, Guilherme C. Tavares, and Henrique C.P. Figueiredo
Table
Characteristics of Streptococcus agalactiae outbreaks in Nile tilapia (Oreochromis niloticus), Brazil*
| Outbreak | Date | State | No. fish tested | Diagnosis (no. fish) | Serotype | MLST |
|---|---|---|---|---|---|---|
| 1 |
2016 Jul |
Piauí |
8 |
S. agalactiae (7) |
III |
283 |
| 2 | 2017 Mar | Pernambuco | 21 | S. agalactiae (18) | III | 283 |
| S. agalactiae (3) |
Ib |
260 |
||||
| 3 |
2017 Mar |
Bahia |
13 |
S. agalactiae (12), S. dysgalactiae (1) |
III |
283 |
| 4 |
2017 May |
Ceará |
7 |
S. agalactiae (4) |
III |
283 |
| 5 | 2017 May | Piauí | 6 | S. agalactiae (2) | III | 283 |
| S. dysgalactiae (1) |
||||||
| 6 | 2017 Jun | Bahia | 16 | S. agalactiae (16) | III | 283 |
*Capsular serotyping and MLST analyses were performed only for S. agalactiae isolates. MLST, multilocus sequence typing.
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