Korean J Vet Res.  2020 Sep;60(3):183-186. 10.14405/kjvr.2020.60.3.183.

Klebsiella pneumoniae infection secondary to bovine viral diarrhea in two prematurely born calves

  • 1Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Korea
  • 2College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju 63243, Korea


Abstract: This paper describes the development of neurological signs of two prematurely born calves four days after birth. The pathological examination results indicated fibrinopurulent polyserositis, including meningoencephalitis with suppurative bronchopneumonia. Bovine viral diarrhea virus subtype 2a was detected in most of the internal organs, and the bacterial colonies cultured from the samples were identified as Klebsiella (K.) pneumoniae. Molecular analysis via multilocus sequence typing identified a different K.pneumoniae isolate in each calf-type 14 in calf A and type 65 in calf B. This is the first report identifying K.pneumoniae sequence types 14 and 65 in cattle.


bovine viral diarrhea; calf; Klebsiella pneumoniae; Korea; polyserositis
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