Congenital defects and herpesvirus infection in beluga whale Delphinapterus leucas calves from the Critically Endangered Cook Inlet population

Burek-Huntington, KA; Shelden, KEW; Guilfoyle, C; Thewissen, JGM; Migura, M; Armien, AG; Romero, CH

doi:10.3354/dao03690

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Congenital defects and herpesvirus infection in beluga whale Delphinapterus leucas calves from the Critically Endangered Cook Inlet population

2022
By Burek-Huntington, KA ; Shelden, KEW ; Guilfoyle, C ; ...
Source: Diseases of Aquatic Organisms, 151, 29-35

[PDF-2.55 MB]

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Journal Title:

Diseases of Aquatic Organisms
Personal Author:

Burek-Huntington, KA ; Shelden, KEW ; Guilfoyle, C ; Thewissen, JGM ; Migura, M ; ... More +

Burek-Huntington, KA ; Shelden, KEW ; Guilfoyle, C ; Thewissen, JGM ; Migura, M ; Armien, AG ; Romero, CH Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
Description:

Cook Inlet beluga whales (CIBs) Delphinapterus leucas are Critically Endangered and genetically distinct from other beluga populations in Alaska. CIBs are exposed to numerous natural and anthropogenic sources of mortality and morbidity. This study describes congenital defects observed in 2 CIB calves. The first case, an aborted fetus, was characterized by lack of a peduncle and flukes, anorectal and genitourinary dysgenesis, and probable biliary dysplasia. The second case, a male calf, had a perineal groove defect and suspected secondary peritonitis; it also had a systemic herpesvirus infection. Further studies are needed to determine if such defects are due to genetic mutation, infectious diseases, nutritional imbalances, or contaminant exposure.
Keywords:

[+]

Aquatic Science Ecology, Evolution, Behavior And Systematics
Source:

Diseases of Aquatic Organisms, 151, 29-35
DOI:

https://doi.org/10.3354/dao03690
ISSN:

0177-5103;1616-1580;
Format:

PDF
Publisher:

Inter-Research Science Center
Document Type:

Journal Article
Funding:

Grant no. NA12NMF4390162
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
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Submitted
Main Document Checksum:

[+]

urn:sha256:8c22632e246f9e65b184cb9fe09242f2b48627c923dbc23507c852b3a557d059
Download URL:

https://repository.library.noaa.gov/view/noaa/49316/noaa_49316_DS1.pdf
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Congenital defects and herpesvirus infection in beluga whale Delphinapterus leucas calves from the Critically Endangered Cook Inlet population

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