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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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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Journal of Wildlife Diseases
Vol. 46 • No. 4
October 2010
Vol. 46 • No. 4
October 2010
Killer whale neonate
omphaloarteritis
Orcinus orca
Salmonella enterica serovar Newport
salmonellosis