Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/45712
Title: Pathology and causes of death in stranded humpback whales (Megaptera novaeangliae) from Brazil
Authors: Groch, Kátia Regina
Diaz Delgado, Josue 
Marcondes, Milton César Calzavara
Colosio, Adriana Castaldo
Santos-Neto, Elitieri Batista
Carvalho, Vítor Luz
Boos, Gisele Silva
de Meirelles, Ana Carolina Oliveira
da Cunha Ramos, Hernani Gomes
Guimarães, Juliana Plácido
Borges, João Carlos Gomes
Vergara-Parente, Jociery Einhardt
Leger, Judy A.St
Fernández Rodríguez, Antonio Jesús 
Catão-Dias, José Luiz
UNESCO Clasification: 310907 Patología
240118 Mamíferos
Keywords: Respiratory-Distress-Syndrome
Bottle-Nosed-Dolphin
Acute Lung Injury
Tursiops-Truncatus
Southeastern Brazil
Meconium Aspiration
Marine Mammals
Canary-Islands
Cetaceans
Morbillivirus
Cessation of life
Megaptera novaeangliae
Whales
Emaciation
Sepsis
Wounds and Injuries
Communicable Diseases
Shock
Thermal burns
Population health
Issue Date: 2018
Journal: PLoS ONE 
Abstract: This study describes the pathologic findings of 24 humpback whales (Megaptera novaeangliae) found stranded along the Brazilian coast from 2004 to 2016. Eighteen (75%) animals evaluated were found stranded alive. From these, 13 died naturally on shore and five were euthanized. Six died at sea and were washed ashore. Of the 24, 19 (79.2%) were calves, four (16.7%) were juveniles, and one (4.2%) was an adult. The most probable cause of stranding and/or death (CSD) was determined in 23/24 (95.8%) individuals. In calves, CSD included neonatal respiratory distress (13/19; 68.4%), infectious disease (septicemia, omphaloarteritis and urachocystitis; 3/19; 15.8%), trauma of unknown origin (2/19; 10.5%), and vehicular trauma (vessel strike; 1/19; 5.3%). In juveniles and adult individuals, CSD was: emaciation (2/5; 40%), sunlight-thermal burn shock (1/5; 20%); and discospondylitis (1/5; 20%). In one juvenile, the CSD was undetermined (1/5; 20%). This study integrates novel findings and published case reports to delineate the pathology of a South-western Atlantic population of humpback whales. This foundation will aid in the assessment of the population health and establish a baseline for development of conservation policies.
URI: http://hdl.handle.net/10553/45712
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0194872
Source: Plos One [ISSN 1932-6203], v. 13 (5), p. 1-19
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