DAO 95:163-166 (2011)  -  DOI: https://doi.org/10.3354/dao02351

Salt gland adenitis as only cause of stranding of loggerhead sea turtles Caretta caretta

J. Orós1,*, M. Camacho1, P. Calabuig2, A. Arencibia1

1Department of Morphology, Veterinary Faculty, University of Las Palmas de Gran Canaria (ULPGC), Arucas (Las Palmas) 35416, Spain
2Tafira Wildlife Rehabilitation Center, Tafira Baja, Las Palmas de Gran Canaria 35017, Spain

ABSTRACT: The present study describes pathological and microbiological findings in 9 stranded loggerhead sea turtles Caretta caretta, whose only observed lesion was bilateral purulent salt gland adenitis. Histological lesions ranged from the presence of abundant eosinophilic material associated with bacterial colonies in the lumen of the central ducts of the glandular lobules to the destruction of the glandular tissue and presence of abundant eosinophilic material composed of heterophils and cell debris, lined by multinucleated giant cells. Aeromonas hydrophila, Staphylococcus sp., and Vibrio alginolyticus were the bacteria most frequently isolated. Plasma concentrations of sodium and chloride and plasma osmolality from 2 turtles suffering from salt gland adenitis were, respectively 45.7, 69.2, and 45.7% higher than the mean value for healthy turtles. These cases suggest that failure to maintain homeostasis due to severe lesions in the salt glands can cause stranding and/or death of loggerhead sea turtles.


KEY WORDS: Sea turtle · Salt gland · Caretta caretta · Loggerhead


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Cite this article as: Orós J, Camacho M, Calabuig P, Arencibia A (2011) Salt gland adenitis as only cause of stranding of loggerhead sea turtles Caretta caretta. Dis Aquat Org 95:163-166. https://doi.org/10.3354/dao02351

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