INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS
Captive moose (Alces alces) infested with 21,000 and 42,000 larval winter ticks (Dermacentor albipictus) in September-October, and unifested moose were studied to assess impact of winter ticks on moose. Study animals were euthanized the following April near the end of the parasitic phase of winter t...
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ftjalces:oai:ojs.pkp.sfu.ca:article/249 2023-05-15T13:13:13+02:00 INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS Addison, Edward M. McLaughlin, Robert F. 2019-10-08 application/pdf http://alcesjournal.org/index.php/alces/article/view/249 eng eng Lakehead University http://alcesjournal.org/index.php/alces/article/view/249/281 http://alcesjournal.org/index.php/alces/article/view/249 Copyright (c) 2019 Alces: A Journal Devoted to the Biology and Management of Moose Alces: A Journal Devoted to the Biology and Management of Moose; Vol. 55 (2019); 37-41 2293-6629 0835-5851 Disease Winter Tick Dermacentor albipictus info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article 2019 ftjalces 2022-02-12T19:35:46Z Captive moose (Alces alces) infested with 21,000 and 42,000 larval winter ticks (Dermacentor albipictus) in September-October, and unifested moose were studied to assess impact of winter ticks on moose. Study animals were euthanized the following April near the end of the parasitic phase of winter ticks. Major organs and selected superficial lymph nodes were examined and compared among treatment groups. No visible lesions were evident in spleen, lung, liver, thyroid, heart, adrenal, and kidney of most moose. Several foci of necrosis in the liver of 1 moose were considered minor and unrelated to tick infestation. Prescapular and prefemoral lymph nodes, but not popliteal nodes, were significantly heavier and reddened in infested than uninfested moose. Hyperactive, hypertrophied lymph nodes may compromise the immune defense of moose and may predispose infested moose to increased risk of bacterial infection. While not a proximate cause of death in heavily infested moose, bacterial infections may contribute as a secondary cause of death. Article in Journal/Newspaper Alces alces Alces (A Journal Devoted to the Biology and Management of Moose) |
institution |
Open Polar |
collection |
Alces (A Journal Devoted to the Biology and Management of Moose) |
op_collection_id |
ftjalces |
language |
English |
topic |
Disease Winter Tick Dermacentor albipictus |
spellingShingle |
Disease Winter Tick Dermacentor albipictus Addison, Edward M. McLaughlin, Robert F. INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
topic_facet |
Disease Winter Tick Dermacentor albipictus |
description |
Captive moose (Alces alces) infested with 21,000 and 42,000 larval winter ticks (Dermacentor albipictus) in September-October, and unifested moose were studied to assess impact of winter ticks on moose. Study animals were euthanized the following April near the end of the parasitic phase of winter ticks. Major organs and selected superficial lymph nodes were examined and compared among treatment groups. No visible lesions were evident in spleen, lung, liver, thyroid, heart, adrenal, and kidney of most moose. Several foci of necrosis in the liver of 1 moose were considered minor and unrelated to tick infestation. Prescapular and prefemoral lymph nodes, but not popliteal nodes, were significantly heavier and reddened in infested than uninfested moose. Hyperactive, hypertrophied lymph nodes may compromise the immune defense of moose and may predispose infested moose to increased risk of bacterial infection. While not a proximate cause of death in heavily infested moose, bacterial infections may contribute as a secondary cause of death. |
format |
Article in Journal/Newspaper |
author |
Addison, Edward M. McLaughlin, Robert F. |
author_facet |
Addison, Edward M. McLaughlin, Robert F. |
author_sort |
Addison, Edward M. |
title |
INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
title_short |
INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
title_full |
INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
title_fullStr |
INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
title_full_unstemmed |
INTERNAL GROSS PATHOLOGY OF MOOSE EXPERIMENTALLY INFESTED WITH WINTER TICKS |
title_sort |
internal gross pathology of moose experimentally infested with winter ticks |
publisher |
Lakehead University |
publishDate |
2019 |
url |
http://alcesjournal.org/index.php/alces/article/view/249 |
genre |
Alces alces |
genre_facet |
Alces alces |
op_source |
Alces: A Journal Devoted to the Biology and Management of Moose; Vol. 55 (2019); 37-41 2293-6629 0835-5851 |
op_relation |
http://alcesjournal.org/index.php/alces/article/view/249/281 http://alcesjournal.org/index.php/alces/article/view/249 |
op_rights |
Copyright (c) 2019 Alces: A Journal Devoted to the Biology and Management of Moose |
_version_ |
1766256763619770368 |