Fatal neonatal infection with Klebsiella pneumoniae in dromedary camels: pathology and molecular identification of isolates from four cases

In the present study, sudden mortalities were reported due to pneumonia in four neonatal camels (5 to 10 days old) of an organized dromedary camel farm. The clinical manifestations in affected camels were weakness, mild to high fever, not suckling, respiratory distress, and sudden death. On the basi...

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Bibliographic Details
Published in:Tropical animal health and production 2020-11, Vol.52 (6), p.3923-3929
Main Authors: Narnaware, Shirish Dadarao, Dahiya, Shyam Singh, Ranjan, Rakesh, Tuteja, Fateh Chand
Format: Article
Language:English
Subjects:
Animals
Animals, Newborn
Biomedical and Life Sciences
Bronchopneumonia
Camelidae
Camels
Camelus
Camelus dromedarius
DNA sequencing
Etiology
Fever
Homology
Humans
India
Klebsiella
Klebsiella Infections - microbiology
Klebsiella Infections - pathology
Klebsiella Infections - veterinary
Klebsiella pneumoniae
Klebsiella pneumoniae - genetics
Klebsiella pneumoniae - isolation & purification
Life Sciences
Lungs
Neonates
Pneumonia
Pneumonia - microbiology
Pneumonia - pathology
Pneumonia - veterinary
Polymerase chain reaction
Short Communications
Suckling behavior
Veterinary Medicine/Veterinary Science
Zoology
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Summary:In the present study, sudden mortalities were reported due to pneumonia in four neonatal camels (5 to 10 days old) of an organized dromedary camel farm. The clinical manifestations in affected camels were weakness, mild to high fever, not suckling, respiratory distress, and sudden death. On the basis of gross and histopathological lesions, the pneumonia was classified into bronchopneumonia ( n  = 2), bronchointerstitial pneumonia ( n  = 1), and interstitial pneumonia ( n  = 1). In bacterial culture, Klebsiella pneumoniae was isolated from lung of all the four cases. These bacteria were also confirmed by PCR from DNA isolated from culture as well as lung tissue. The sequencing of PCR products from four isolates of K. pneumoniae revealed homology with other pathogenic K. pneumoniae isolates from India and other countries. These findings confirmed the role of K. pneumoniae as an important etiological agent for causing pneumonia with sudden mortalities in suckling neonatal dromedary camels.
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-020-02421-4