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Diseases of Aquatic Organisms

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DAO 145:191-195 (2021)  -  DOI: https://doi.org/10.3354/dao03612

NOTE
First confirmed reports of the isolation of Brucella ceti from a Risso’s dolphin Grampus griseus and a killer whale Orcinus orca

Nicholas J. Davison1,*, Mark P. Dagleish2, Emma-Jane Dale3, Mariel ten Doeschate1, Jakub Muchowski3, Lorraine L. Perrett3, Mara Rocchi2, Adrian M. Whatmore3, Andrew C. Brownlow4

1Scottish Marine Animal Stranding Scheme, SRUC Northern Faculty, An Lòchran, Inverness Campus, Inverness IV2 5NA, UK
2Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik EH26 0PZ, UK
3Department of Bacteriology, Animal and Plant Health Agency (APHA), New Haw, Addlestone KT15 3NB, UK
4Institute of Biodiversity, Animal Health & Comparative Medicine, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
*Corresponding author:

ABSTRACT: Brucella ceti has been recovered from a number species of cetaceans worldwide over the last 25 yr. Here we report, for the first time, the recovery of B. ceti from a Risso’s dolphin Grampus griseus and a killer whale Orcinus orca. Recovery from an abdominal mass in the dolphin provides further evidence of the systemic pathogenic potential for B. ceti infection in cetaceans. The isolation of B. ceti ST23 (porpoise cluster) from a killer whale from a group known to eat other marine mammals raises the possibility of infection via ingestion. This report takes the number of cetacean species in UK coastal waters from which B. ceti has been isolated to 11 and highlights the value of routine, comprehensive and specific screening for significant pathogens such as Brucella sp. by strandings networks.


KEY WORDS: Brucella ceti · Brucellosis · Grampus griseus · Orcinus orca · Isolation


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Cite this article as: Davison NJ, Dagleish MP, Dale EJ, ten Doeschate M and others (2021) First confirmed reports of the isolation of Brucella ceti from a Risso’s dolphin Grampus griseus and a killer whale Orcinus orca. Dis Aquat Org 145:191-195. https://doi.org/10.3354/dao03612

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