Salmonella Newport Omphaloarteritis in a Stranded Killer Whale (Orcinus orca) Neonate

Kathleen M. Colegrove; Judy A. St. Leger; Stephen Raverty; Spencer Jang; Michelle Berman-Kowalewski; Joseph K. Gaydos

doi:10.7589/0090-3558-46.4.1300

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1 October 2010 Salmonella Newport Omphaloarteritis in a Stranded Killer Whale (Orcinus orca) Neonate

Kathleen M. Colegrove, Judy A. St. Leger, Stephen Raverty, Spencer Jang, Michelle Berman-Kowalewski, Joseph K. Gaydos

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J. of Wildlife Diseases, 46(4):1300-1304 (2010). https://doi.org/10.7589/0090-3558-46.4.1300

Abstract

Salmonella enterica serovar New-port (Salmonella Newport) was isolated from multiple tissues in a neonate killer whale (Orcinus orca) that stranded dead in 2005 along the central coast of California, USA. Necrotizing omphaloarteritis and omphalo-phlebitis was observed on histologic examination suggesting umbilical infection was the route of entry. Genetic analysis of skin samples indicated that the neonate had an offshore haplotype. Salmonellosis has rarely been identified in free-ranging marine mammals and the significance of Salmonella Newport infection to the health of free-ranging killer whales is currently unknown.

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Kathleen M. Colegrove, Judy A. St. Leger, Stephen Raverty, Spencer Jang, Michelle Berman-Kowalewski, and Joseph K. Gaydos "Salmonella Newport Omphaloarteritis in a Stranded Killer Whale (Orcinus orca) Neonate," Journal of Wildlife Diseases 46(4), 1300-1304, (1 October 2010). https://doi.org/10.7589/0090-3558-46.4.1300

Received: 8 March 2010; Accepted: 1 May 2010; Published: 1 October 2010

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