Volume 26, Number 4—April 2020
Research
Isolation of Drug-Resistant Gallibacterium anatis from Calves with Unresponsive Bronchopneumonia, Belgium
Laura Van Driessche
, Kevin Vanneste, Bert Bogaerts, Sigrid C.J. De Keersmaecker, Nancy H. Roosens, Freddy Haesebrouck, Lieze De Cremer, Piet Deprez, Bart Pardon, and Filip Boyen
, Kevin Vanneste, Bert Bogaerts, Sigrid C.J. De Keersmaecker, Nancy H. Roosens, Freddy Haesebrouck, Lieze De Cremer, Piet Deprez, Bart Pardon, and Filip Boyen
Table 1
Origin and characteristics of Gallibacterium anatis strains isolated from calves with unresponsive bronchopneumonia, Belgium, 2017–2018*
| Isolate | Age of calf, d | Type (breed) | Farm | Culture | Other pathogens detected | MALDI-TOF MS log score† |
|---|---|---|---|---|---|---|
| GB2 | 36 | Beef (BWB) | 1 | Pure culture | ND | 2.40 |
| GB3 | 20 | Beef (BWB) | 2 | Dominant isolate | Escherichia coli | 2.13 |
| GB4 | 14 | Beef (BWB) | 2 | Pure culture | ND | 2.48 |
| GB5 | 15 | Beef (BWB) | 2 | Pure culture | ND | 2.46 |
| GB6 | 18 | Beef (BWB) | 2 | Dominant isolate | Histophilus somni | 2.47 |
| GB7 | 60 | Beef (BWB) | 3 | Dominant isolate | Bibersteinia trehalosi, Mycoplasma bovis | 2.34 |
| GB8 | 22 | Beef (BWB) | 4 | Dominant isolate | Trueperella pyogenes | 2.38 |
| GB9 | 40 | Beef (BWB) | 5 | Pure culture | ND | 2.38 |
| GB10 | 23 | Beef (Blonde d’Aquitaine) | 6 | Dominant isolate | Mannheimia haemolytica, M. bovis | 2.23 |
| GB11 | 4 | Dairy (Holstein Friesian) | 7 | Pure culture | ND | 2.24 |
*BWB, Belgian White and Blue; MALDI-TOF MS, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry; ND, not detected.
†Identification with a log score value >2.0 is considered reliable at the species level.
Page created: March 17, 2020
Page updated: March 17, 2020
Page reviewed: March 17, 2020
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.