Physiologic responses of Cownose Rays following freshwater dips for treatment of capsalid monogeneans

© 2023 The Authors. Journal of Aquatic Animal Health published by Wiley Periodicals LLC on behalf of American Fisheries Society.

Bibliographische Detailangaben
Veröffentlicht in:Journal of aquatic animal health. - 1998. - 36(2024), 2 vom: 06. Juni, Seite 128-135
1. Verfasser: Lum, Amber M (VerfasserIn)
Weitere Verfasser: Miller, Sarah N, Clauss, Tonya M, Anderson, Chelsea E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of aquatic animal health
Schlagworte:Journal Article Cownose Ray freshwater dip monogenean osmoregulation stress response Anthelmintics
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520 |a © 2023 The Authors. Journal of Aquatic Animal Health published by Wiley Periodicals LLC on behalf of American Fisheries Society. 
520 |a OBJECTIVE: Two Cownose Rays Rhinoptera bonasus were presented for management of a severe capsalid monogenean infection Benedeniella posterocolpa in a mixed species habitat at an aquarium 
520 |a METHODS: A series of freshwater (FW) dips were elected to mitigate parasite resistance to praziquantel due to the endemic monogenean population in the system. A pretreatment blood sample was opportunistically obtained, and subsequent samples were processed due to development of clinical signs 
520 |a RESULT: While the first FW dip was tolerated well and did not induce abnormal behavior, the second led to one individual presenting with tachypnea, pallor, and lethargy. Marked hematological abnormalities requiring medical intervention occurred in both individuals after the second dip. After treatment with elasmobranch Ringer's fluid therapy, sodium bicarbonate, prednisolone acetate, and vitamin E/selenium in the more severely affected ray, and elasmobranch Ringer's alone in the second ray, hematologic derangements and symptoms resolved. Hemoconcentration, hyperproteinemia, hyperlactatemia, and hyperglycemia were attributed to a stress response. A selective loss of urea after exposure to FW resulted in decreased plasma osmolality 
520 |a CONCLUSION: Given the severity of the stress response and associated complications observed, hyposalinity treatments should be utilized with caution in this species. If this therapy is employed, the clinician is advised to be prepared to administer supportive care coinciding with the FW dip if necessary 
650 4 |a Journal Article 
650 4 |a Cownose Ray 
650 4 |a freshwater dip 
650 4 |a monogenean 
650 4 |a osmoregulation 
650 4 |a stress response 
650 7 |a Anthelmintics  |2 NLM 
700 1 |a Miller, Sarah N  |e verfasserin  |4 aut 
700 1 |a Clauss, Tonya M  |e verfasserin  |4 aut 
700 1 |a Anderson, Chelsea E  |e verfasserin  |4 aut 
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