Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018
10 páginas, 2 figuras, 4 tablas.
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Multidisciplinary Digital Publishing Institute
2020
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| Subjects: | Brown bear, Ursus arctos arctos, Pathology, Cause of death, Infectious diseases, Traumas, |
| Online Access: | http://hdl.handle.net/10261/225442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/100011941 |
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dig-igm-es-10261-2254422021-12-28T15:56:38Z Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 Balseiro, Ana Royo, L.J. Gayo, E. Balsera, R. Alarcia, O. García Marín, Juan Francisco Principado de Asturias European Commission Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas 10 páginas, 2 figuras, 4 tablas. This work summarizes the mortality cases of twenty-five free-ranging Eurasian wild brown bears (Ursus arctos arctos) from the Cantabrian mountain range submitted for necropsy in Asturias and Castilla y León (northwestern Spain) from 1998 to 2018. Mortality cases were classified both caused by (i) “non-human intervention” or “human intervention” causes and based on (ii) “non-infectious” or “infectious” etiology. In four cases (16%) it was not possible to determine the cause of death due to the inadequate preservation of collected specimens or insufficient tissue availability. Based on “non-human intervention” or “human intervention” causes, fourteen of the 21 (66.7%) brown bears died as a consequence of “non-human intervention” due to traumatic lesions (fights, unknown traumas or infanticide), infectious canine hepatitis, neoplasia or mushroom poisoning. In contrast, seven (33.3%) brown bears died by “human intervention” due to illegal hunting (shooting or snare), handling (during transit in an attempt to reintroduce a bear back into the wild) or strychnine poisoning. Based on “non-infectious” or “infectious” etiology, twelve of the 21 (57.1%) brown bears died due to “non-infectious” causes, namely traumatic lesions such as shooting, snare, fighting or infanticide, handling, strychnine poisoning, mushroom poisoning or neoplasia. The remaining nine (42.9%) animals died due to “infectious” diseases which included gangrenous myositis, infectious canine hepatitis or septicemia. In six of those cases traumatic lesions caused by non-human or human activities were complicated with bacterial infection (clostridiosis and septicemia) which finally caused the death of those animals. Additionally, exertional myopathy was observed in the handled animal and in one bear found in a snare. In a free-ranging population of Eurasian brown bear from the Cantabrian mountain range, main causes of death are attributed to non-human related traumatic lesions and infectious diseases (primary developed such as infectious canine hepatitis or secondary developed such as clostridiosis or septicemia) which is in contrast to previously reported data for other bear populations. These data are valuable and may help in the conservation and management of this recovering population. This work was partially supported by the Principado de Asturias, PCTI 2018–220 (GRUPIN: IDI2018-000237 and FEDER). 2020-12-22T12:50:07Z 2020-12-22T12:50:07Z 2020 2020-12-22T12:50:08Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.3390/ani10091538 issn: 2076-2615 Animals 10: 1538 (2020) http://hdl.handle.net/10261/225442 10.3390/ani10091538 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/100011941 32878324 Publisher's version http://dx.doi.org/10.3390/ani10091538 Sí open Multidisciplinary Digital Publishing Institute |
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España |
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Europa del Sur |
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Biblioteca del IGM España |
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Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas |
| spellingShingle |
Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas Balseiro, Ana Royo, L.J. Gayo, E. Balsera, R. Alarcia, O. García Marín, Juan Francisco Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| description |
10 páginas, 2 figuras, 4 tablas. |
| author2 |
Principado de Asturias |
| author_facet |
Principado de Asturias Balseiro, Ana Royo, L.J. Gayo, E. Balsera, R. Alarcia, O. García Marín, Juan Francisco |
| format |
artículo |
| topic_facet |
Brown bear Ursus arctos arctos Pathology Cause of death Infectious diseases Traumas |
| author |
Balseiro, Ana Royo, L.J. Gayo, E. Balsera, R. Alarcia, O. García Marín, Juan Francisco |
| author_sort |
Balseiro, Ana |
| title |
Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| title_short |
Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| title_full |
Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| title_fullStr |
Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| title_full_unstemmed |
Mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in Spain 1998-2018 |
| title_sort |
mortality causes in free-ranging eurasian brown bears (ursus arctos arctos) in spain 1998-2018 |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2020 |
| url |
http://hdl.handle.net/10261/225442 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/100011941 |
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