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Tytuł:
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Chronic debilitation in stranded loggerhead sea turtles (Caretta caretta) in the southeastern United States: Morphometrics and clinicopathological findings.
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Autorzy:
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Stacy NI; Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States of America.
Lynch JM; National Institute of Standards and Technology, Chemical Sciences Division, Hollings Marine Laboratory, Charleston, SC, United States of America.
Arendt MD; South Carolina Department of Natural Resources, Charleston, SC, United States of America.
Avens L; NOAA, National Marine Fisheries Service, Beaufort Laboratory, Beaufort, NC, United States of America.
Braun McNeill J; NOAA, National Marine Fisheries Service, Beaufort Laboratory, Beaufort, NC, United States of America.
Cray C; Division of Comparative Pathology, Department of Pathology & Laboratory Medicine, University of Miami School of Medicine, Miami, FL, United States of America.
Day RD; National Institute of Standards and Technology, Chemical Sciences Division, Hollings Marine Laboratory, Charleston, SC, United States of America.
Harms CA; North Carolina State University, Center for Marine Science and Technology, Morehead City, NC, United States of America.
Lee AM; Medical University of South Carolina, Charleston, SC, United States of America.
Peden-Adams MM; Medical University of South Carolina, Charleston, SC, United States of America.
Thorvalson K; South Carolina Aquarium, Charleston, SC, United States of America.
Segars AL; South Carolina Department of Natural Resources, Charleston, SC, United States of America.
Norton TM; Georgia Sea Turtle Center, Jekyll Island Authority, GA, United States of America.; St. Catherines Island Foundation, Midway, GA, United States of America.
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Źródło:
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PloS one [PLoS One] 2018 Jul 10; Vol. 13 (7), pp. e0200355. Date of Electronic Publication: 2018 Jul 10 (Print Publication: 2018).
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Typ publikacji:
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Journal Article; Research Support, U.S. Gov't, Non-P.H.S.
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Język:
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English
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Imprint Name(s):
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Original Publication: San Francisco, CA : Public Library of Science
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MeSH Terms:
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Turtles*/anatomy & histology
Turtles*/physiology
Animals ; Health Status ; Southeastern United States ; Thoracica
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References:
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Entry Date(s):
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Date Created: 20180711 Date Completed: 20190122 Latest Revision: 20190122
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Update Code:
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20240105
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PubMed Central ID:
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PMC6039040
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DOI:
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10.1371/journal.pone.0200355
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PMID:
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29990325
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Chronically debilitated loggerhead sea turtles (Caretta caretta) (DT) are characterized by emaciation, lethargy, and heavy barnacle coverage. Although histopathological findings associated with this condition have been reported, only limited data is available on health variables with clinical application. The objectives of this study were to 1) to compare morphometrics, clinicopathological variables, and immune functions of DTs to a group of apparently healthy loggerhead turtles to better understand the pathophysiology of the condition and 2) to assess health parameters in live debilitated turtles as they recovered during rehabilitation in order to identify potential prognostic indicators. We examined and sampled 43 DTs stranded from North Carolina to Florida for 47 health variables using standardized protocols to further characterize the condition. DTs were grouped into categories of severity of the condition, and those that survived were sampled at four time points through rehabilitation. All groups and time points were compared among DTs and to clinically healthy loggerhead turtles. Compared to healthy turtles, DTs had significantly lower body condition index, packed cell volume (PCV), total white blood cell (WBC) count, lymphocytes, glucose (Glc), total protein, all protein fractions as determined by electrophoresis, calcium (Ca), phosphorus (P), Ca:P ratio, potassium (K), lymphocyte proliferation, and greater heterophil toxicity and left-shifting, uric acid (UA), aspartate aminotransferase, creatine kinase, lysozyme, and respiratory burst. From admission to recovery, hematology and plasma chemistry data improved as expected. The most informative prognostic indicators, as determined by correlations with a novel severity indicator (based on survival times), were plastron concavity, P, albumin, total solids, UA, lymphocyte proliferation, WBC, K, Glc, Ca:P, and PCV. The results of this study document the wide range and extent of morphometric and metabolic derangements in chronically debilitated turtles. Monitoring morphometrics and clinicopathological variables of these animals is essential for diagnosis, treatment, and prognosis during rehabilitation.
Competing Interests: The authors have declared that no competing interests exist.
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