Lumpy jaw caused by Nocardia farcinica in a Holstein cow

A 3‐year‐old Holstein cow was examined in an intensive system due to unilateral swelling in the mandible. A right mandibular mass was associated with painful mastication and Ptyalism. In palpation, the mass was raised, ulcerated, attached to the mandible bone and firm, approximately 17 × 12 × 10 cm3...

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Bibliographic Details
Published in:Veterinary medicine and science 2024-05, Vol.10 (3), p.e1433-n/a
Main Authors: Shokrpoor, Sara, Darabian Aghdas, Reza, Ziafati Kafi, Zahra, Abdollahi, Mostafa, Ashrafi Tamai, Iradj
Format: Article
Language:English
Subjects:
Animals
Bacteria
Bacteriology
Base Sequence
Bone mass
Case Report
Cattle
Cattle Diseases - microbiology
Female
Genomes
Hemorrhage
Jaw
Lumpy jaw
Mandible
Mastication
Maximum likelihood method
Neutrophils
Nocardia
Nocardia Infections - diagnosis
Nocardia Infections - veterinary
pathology
Phylogenetics
Ptyalism
RUMINANTS
Zoonoses
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Summary:A 3‐year‐old Holstein cow was examined in an intensive system due to unilateral swelling in the mandible. A right mandibular mass was associated with painful mastication and Ptyalism. In palpation, the mass was raised, ulcerated, attached to the mandible bone and firm, approximately 17 × 12 × 10 cm3 in size. The lesion was sampled, and after routine bacteriology and histopathology procedures, the occurrence of lumpy jaw caused by Nocardia farcinica was confirmed. The bacterium was analysed using genome sequencing and new strain called Najm 114. Due to the risk of zoonosis of the isolated agent, the cow was euthanized. This is the first report of lumpy jaw caused by N. farcinica in a cow. This study showed that N. farcinica should be considered a possible etiological agent for lumpy jaw in cattle. Graphical : This report describes the first occurrence of lumpy jaw caused by Nocardia farcinica in a cow. In the text of the study, the stages of diagnosis (history, clinical examination, bacterial culture, histopathology and sequencing of the isolated bacteria) are described.
ISSN:2053-1095
2053-1095
DOI:10.1002/vms3.1433