Gross and histologic evidence of sharp and blunt trauma in North Atlantic right whales (Eubalaena glacialis) killed by vessels

Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians
Regina Campbell-MaloneMichael J Moore

Abstract

Vessel-whale collision events represented the ultimate cause of death for 21 (52.5%) of the 40 North Atlantic right whales (Eubalaena glacialis) necropsied between 1970 and December 2006. Injuries seen in vessel-struck whales fall into two distinct categories: 1) sharp trauma, often resulting from contact with the propeller, and 2) blunt trauma, presumably resulting from contact with a vessel's hull. This study analyzes four trauma cases that resulted from vessel-whale collisions, which together provide a framework for a more critical understanding of lethal blunt and sharp trauma resulting from vessel collisions with right whales. In case no. 1, contact with a propeller resulted in three deep lacerations. The animal survived acute trauma only to succumb nearly 14 years later when the lesions reopened and became infected. In case no. 2, anecdotal reports linked the laceration of large arteries of the peduncle and histologic evidence of perimortem trauma at a bone fracture site to vessel-whale collision trauma. Case no. 3 had a laceration of the oral rete and a fracture of the rostrum. Both of the areas displayed histologic evidence of perimortem blunt trauma. Finally, in case no. 4, an antemortem mandibular fracture, two additi...Continue Reading

References

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Citations

Oct 3, 2012·Conservation Biology : the Journal of the Society for Conservation Biology·Julie M Van der HoopAndrew R Solow
Dec 6, 2012·Ecological Applications : a Publication of the Ecological Society of America·Julie M van der HoopChristopher T Taggart
Apr 12, 2013·Diseases of Aquatic Organisms·Michael J MooreWilliam A McLellan
Sep 25, 2009·Conservation Biology : the Journal of the Society for Conservation Biology·Angelia S M Vanderlaan, Christopher T Taggart
Apr 14, 2016·Diseases of Aquatic Organisms·Denise McAlooseMarcela M Uhart
Jul 16, 2016·Veterinary Pathology·A de SiqueiraP C Maiorka
Oct 31, 2017·Global Change Biology·Erin L Meyer-Gutbrod, Charles H Greene
Mar 18, 2020·Frontiers in Veterinary Science·Raquel Puig-LozanoManuel Arbelo
Nov 17, 2020·Frontiers in Veterinary Science·Raquel Puig-LozanoManuel Arbelo

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BETA
amputation
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