[MARMAM] New Publication Neurobrucellosis due to Brucella ceti ST26 in three Sowerby’s beaked whales (Mesoplodon bidens)

Nicholas Davison Nick.Davison at sac.co.uk
Tue Dec 1 02:39:53 PST 2020

Dear MARMAM readers,

we are pleased to announce the publication of our new paper online in the Journal of Comparative Pathology.

Nicholas J Davison, Andrew Brownlow, Mariel ten Doeschate, Emma-Jane Dale, Geoffrey Foster, Jakub Muchowski, Lorraine L Perrett†, Mara Rocchi, Adrian M Whatmore and Mark P Dagleish. (2021) Neurobrucellosis due to Brucella ceti ST26 in Three
Sowerby’s Beaked Whales (Mesoplodon bidens). Journal of Comparative Pathology 2021, Vol.182, 1-8

Fatal meningoencephalitis due to Brucella ceti infection has been described in striped dolphins (Stenella coeruleoalba) Atlantic white-sided dolphins (Lagenorhynchus acutus), short-beaked common dolphins (Delphinus delphis) and long-finned pilot whales (Globicephala melas), which are all within the family Delphinidae. We report B. ceti-associated neurobrucellosis in three juvenile male Sowerby’s beaked whales (Mesoplodon bidens) that all had typical lesions of lymphocytic meningoencephalitis, which increased in severity from rostral to caudal regions of the brain. In two cases there was loss of ependymal cells lining the cerebral ventricular system, with large numbers of lymphocytes in the underlying neuropil. This finding suggests that B. ceti gains access to, and multiplies in, the cerebrospinal fluid, and confirms that this is the sample of choice for bacteriological recovery of the causative organism. These findings expand the increasing range of cetaceans susceptible to neurobrucellosis to members of the family Ziphiidae.

The paper is available here https://authors.elsevier.com/a/1c7vD506oOYrV

Kind Regards.

Nick Davison MSc.
Stranding Coordinator
Scottish Marine Animal Stranding Scheme,
SRUC Northern Faculty,
An Lòchran, Inverness Campus,
+00 44 (0)1463 246043
+00 44 (0)7979245893


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