Chronic Proliferative Rhinitis associated with Salmonella enterica subspecies diarizonae serovar 61:k:1, 5, (7) in Sheep in Spain

A chronic proliferative rhinitis in sheep associated with Salmonella enterica subspecies diarizonae serovar 61:k:1, 5, (7) is described. Ten adult sheep from eight traditionally managed Rasa Aragonesa flocks located in Aragon (Spain) were studied. Clinical signs began with bilateral thick mucus nasa...

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Bibliographic Details
Published in:Journal of comparative pathology 2012-11, Vol.147 (4), p.406-409
Main Authors: Lacasta, D., Ferrer, L.M., Ramos, J.J., Bueso, J.P., Borobia, M., Ruiz de Arcaute, M., Figueras, L., González-Sainz, J.M., De las Heras, M.
Format: Article
Language:English
Subjects:
adults
Animals
antigens
Autopsy
bacteria
Bone
Cell Proliferation
Chronic Disease
chronic rhinitis
Epithelial cells
Epithelium
flocks
histopathology
immunohistochemistry
lamina propria
Leukocytes (neutrophilic)
Macrophages
Microorganisms
Mucosa
Mucus
necropsy
neutrophils
Neutrophils - pathology
Nose
Plasma cells
Polyps
Polyps - pathology
Rasa Aragonesa
Rhinitis
Rhinitis - microbiology
Rhinitis - pathology
Rhinitis - veterinary
Salmonella enterica
Salmonella enterica - isolation & purification
Salmonella Infections, Animal - microbiology
Salmonella Infections, Animal - pathology
serotypes
Sheep
sheep diseases
Sheep Diseases - microbiology
Sheep Diseases - pathology
Spain - epidemiology
Turbinates - pathology
Wheezing
zoonoses
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Description
Summary:A chronic proliferative rhinitis in sheep associated with Salmonella enterica subspecies diarizonae serovar 61:k:1, 5, (7) is described. Ten adult sheep from eight traditionally managed Rasa Aragonesa flocks located in Aragon (Spain) were studied. Clinical signs began with bilateral thick mucus nasal discharge, wheezing and snoring and progressed to partial or complete obstruction of the nostrils. Necropsy examination revealed swollen ventral nasal turbinates with a roughened mucosal surface partially covered by small polyps. Histopathology revealed chronic proliferative rhinitis with a predominant population of neutrophils that infiltrated the mucosal epithelium. Plasma cells and macrophages were present in the lamina propria. Organisms expressing Salmonella antigen immunohistochemically were detected within epithelial cells. Salmonella enterica subspecies diarizonae serovar 61:k:1, 5, (7) was isolated as a sole microorganism from nasal swabs taken from five animals. The implication of finding this bacterium in various diseases in sheep and its role as a potential zoonosis are discussed.
ISSN:0021-9975
1532-3129
DOI:10.1016/j.jcpa.2012.03.004