Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)

In 2016, tropical screech owl (Megascops choliba) (Tso) chicks were suddenly found dead in a Japanese breeding facility. We autopsied a 9-day-old Tso and discovered white spots scattered on the liver surface. Multifocal necrosis was diffused, and macrophages had infiltrated the necrotic hepatic lesi...

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Autores principales: KOMATSU, Tetsuya, KUBO, Takashi, KITOU, Rena, KAWAMOTO, Naomi, MASE, Masaji, YAMAMOTO, Yu, SHIBAHARA, Tomoyuki
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Veterinary Science 2020
Materias:
Pathology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7538312/
https://www.ncbi.nlm.nih.gov/pubmed/32684609
http://dx.doi.org/10.1292/jvms.20-0316
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author KOMATSU, Tetsuya
KUBO, Takashi
KITOU, Rena
KAWAMOTO, Naomi
MASE, Masaji
YAMAMOTO, Yu
SHIBAHARA, Tomoyuki
author_facet KOMATSU, Tetsuya
KUBO, Takashi
KITOU, Rena
KAWAMOTO, Naomi
MASE, Masaji
YAMAMOTO, Yu
SHIBAHARA, Tomoyuki
author_sort KOMATSU, Tetsuya
collection PubMed
description In 2016, tropical screech owl (Megascops choliba) (Tso) chicks were suddenly found dead in a Japanese breeding facility. We autopsied a 9-day-old Tso and discovered white spots scattered on the liver surface. Multifocal necrosis was diffused, and macrophages had infiltrated the necrotic hepatic lesions. Hepatocytes contained numerous intranuclear inclusion bodies. Immunohistochemical staining detected Adenovirus antigen only in the liver. Next, PCR and sequencing (LC536616) identified Tso Adenovirus (TsoAd). Basic Local Alignment Search Tool (BLAST) and phylogenic analyzes suggested TsoAd is an owl Aviadenovirus. Our study contributes to an improved understanding of infectious disease among captive raptors.
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spelling pubmed-75383122020-10-13 Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba) KOMATSU, Tetsuya KUBO, Takashi KITOU, Rena KAWAMOTO, Naomi MASE, Masaji YAMAMOTO, Yu SHIBAHARA, Tomoyuki J Vet Med Sci Pathology In 2016, tropical screech owl (Megascops choliba) (Tso) chicks were suddenly found dead in a Japanese breeding facility. We autopsied a 9-day-old Tso and discovered white spots scattered on the liver surface. Multifocal necrosis was diffused, and macrophages had infiltrated the necrotic hepatic lesions. Hepatocytes contained numerous intranuclear inclusion bodies. Immunohistochemical staining detected Adenovirus antigen only in the liver. Next, PCR and sequencing (LC536616) identified Tso Adenovirus (TsoAd). Basic Local Alignment Search Tool (BLAST) and phylogenic analyzes suggested TsoAd is an owl Aviadenovirus. Our study contributes to an improved understanding of infectious disease among captive raptors. The Japanese Society of Veterinary Science 2020-07-17 2020-09 /pmc/articles/PMC7538312/ /pubmed/32684609 http://dx.doi.org/10.1292/jvms.20-0316 Text en ©2020 The Japanese Society of Veterinary Science This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)
spellingShingle Pathology
KOMATSU, Tetsuya
KUBO, Takashi
KITOU, Rena
KAWAMOTO, Naomi
MASE, Masaji
YAMAMOTO, Yu
SHIBAHARA, Tomoyuki
Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title_full Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title_fullStr Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title_full_unstemmed Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title_short Inclusion body hepatitis caused by Aviadenovirus in a tropical screech owl (Megascops choliba)
title_sort inclusion body hepatitis caused by aviadenovirus in a tropical screech owl (megascops choliba)
topic Pathology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7538312/
https://www.ncbi.nlm.nih.gov/pubmed/32684609
http://dx.doi.org/10.1292/jvms.20-0316
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