Erysipelothrix Septicaemia and Hepatitis in a Colony of Humboldt Penguins (Spheniscus humboldti)
Copyright © 2019 Elsevier Ltd. All rights reserved..
This report describes an outbreak of erysipelas in a colony of captive Humboldt penguins (Spheniscus humboldti). The only previously reported case in a related species was of an individual little blue penguin (Eudyptula minor). Five Humboldt penguins in a mixed colony displayed non-specific signs of illness, including lethargy, inappetence and regurgitation after movement for exhibit upgrading. There was no improvement after 5 days of treatment with oral enrofloxacin (10 mg/kg q24h). Four Humboldt penguins, including two that were not part of the original five displaying signs of illness, died during this outbreak and Erysipelothrix rhusiopathiae was cultured from organ samples collected post mortem. Oral clavulanic acid/amoxycillin (125 mg/kg q12h) was added to the treatment of the sick Humboldt penguins, as well as itraconazole (8.5 mg/kg q12h) and silymarin (10 mg/kg q24h) for 10 days (both per os), which resolved their clinical signs. The likely source of E. rhusiopathiae was the fish they were fed, but this could not be confirmed. Another contributing factor to the growth of E. rhusiopathiae in the exhibit pool was the increase in water temperature due to a fault in the water circulating system. The temperature of the pool water had increased to 29°C, which was rectified, and the water temperature decreased to 13°C. However, there was one further Humboldt penguin death after the decrease in water temperature. This episode suggests that E. rhusiopathiae infection should be high on the differential list of piscivorous avian species with non-specific clinical signs. A liver biopsy for bacterial culture and sensitivity may be required for definitive diagnosis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:172 |
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| Enthalten in: |
Journal of comparative pathology - 172(2019) vom: 01. Okt., Seite 5-10 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xie, S [VerfasserIn] |
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| Links: |
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| Themen: |
Anti-Infective Agents |
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| Anmerkungen: |
Date Completed 23.03.2020 Date Revised 23.03.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jcpa.2019.08.004 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2019 Elsevier Ltd. All rights reserved. | ||
| 520 | |a This report describes an outbreak of erysipelas in a colony of captive Humboldt penguins (Spheniscus humboldti). The only previously reported case in a related species was of an individual little blue penguin (Eudyptula minor). Five Humboldt penguins in a mixed colony displayed non-specific signs of illness, including lethargy, inappetence and regurgitation after movement for exhibit upgrading. There was no improvement after 5 days of treatment with oral enrofloxacin (10 mg/kg q24h). Four Humboldt penguins, including two that were not part of the original five displaying signs of illness, died during this outbreak and Erysipelothrix rhusiopathiae was cultured from organ samples collected post mortem. Oral clavulanic acid/amoxycillin (125 mg/kg q12h) was added to the treatment of the sick Humboldt penguins, as well as itraconazole (8.5 mg/kg q12h) and silymarin (10 mg/kg q24h) for 10 days (both per os), which resolved their clinical signs. The likely source of E. rhusiopathiae was the fish they were fed, but this could not be confirmed. Another contributing factor to the growth of E. rhusiopathiae in the exhibit pool was the increase in water temperature due to a fault in the water circulating system. The temperature of the pool water had increased to 29°C, which was rectified, and the water temperature decreased to 13°C. However, there was one further Humboldt penguin death after the decrease in water temperature. This episode suggests that E. rhusiopathiae infection should be high on the differential list of piscivorous avian species with non-specific clinical signs. A liver biopsy for bacterial culture and sensitivity may be required for definitive diagnosis | ||
| 650 | 4 | |a Case Reports | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Erysipelothrix rhusiopathiae | |
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| 650 | 4 | |a hepatitis | |
| 650 | 4 | |a septicaemia | |
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| 700 | 1 | |a Tay, Y H |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, W K |e verfasserin |4 aut | |
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